ftMl CIM. COLLEGE OF PHYSICIANS AND SURGEONS LIBRARY Gift of Dr. A, E. S. Lambert Digitized by the. Internet Archive in 2010 with funding from Open Knowledge Commons http://www.archive.org/details/antisepticsurgerOOchey ANTISEPTIC SUEGEEY ANTISEPTIC SURGERY ITS PRINCIPLES, PRACTICE, HISTORY AND RESULTS W. WATSON CHEYNE, M.B., F.K.C.S. ASSISTAXT-SURGEON TO KING'S COLLEGE HOSPITAL DEMOXSTRATOU OF SURGICAL PATHOLOGY AT KING'S COLLEGE Mit^ Illustrations LONDON iSMlTH, EI.DEK, & CO., 15 WATEKLOO PLACE 1882 [All riijhts reserveil ] I PREFACE. The interest which Antiseptic Snrgery has awakened' throughout the profession has led to many j)ublic debates and to the accumulation of a great mass of literature on the subject. The time seems now to have come for a detailed account and discussion of the whole matter, and it is with the view of furnishing such an account that the present volume has been published. The question might have been dealt with in two ways ; either by the discussion of the present standpoint of the principles and practice of Antiseptic Surgery, with but little reference to former literature ; or, as I have attempted to do, by tracing in addition the development of its theory and practice, and following out and criticising the various steps by which the present state of knowledge on the subject has been reached. The former mode might no doubt have produced a shorter work, but it could not have been made complete in the present transitory state of our knowledge, and, taken alone, it would have necessarily raised side issues confusing to readers unacquainted with tlie earlier literature. I have therefore, in addition to tlie discussion (jf the present state of knowledge on the subject, tried to trace out its development, and 1 have done this the more readily because it seems to me that when an attempt is made, almost for the first time, to X riiEFACE. discuss fully a new department of science, the work of those who have chiefly helped by experiment or criticism to build it up should be acknowledged and properly estimated. Such a way of treating the subject will perhaps also supply a want to those who have not the time nor the opportunity of searching out the literature for themselves. Among other facts which have been brought forward here I may draw special attention to the folio wino;, which I think have been now made certain: — Fermentations in wounds occur as the result of the entrance of particles — micro-organisms — from without ; a variety of methods of treatment may be grouped under the heading ' Antiseptic treatment ' ; lives are saved in proportion to the asepticity of the wound, and, when the wound is kept aseptic, infective diseases more especially are avoided ; the aseptic or Listerian method prevents the development of micro-organisins and the occurrence of fermentation in wounds. Portions of this work have been previously published. Some investigations on micro-organisms in wounds and on temperature after operations formed part of my essay Avhich gained the Syme Surgical Fellowship of the University of Edinburgh in 1877. I have since that time repeated and extended these investigations. In the essay to which was awarded the Boylston Medical Prize and the Boylston Gold Medal ^ of the Harvard ' By an order adopted in 1826 the Secretary of the Boylston Prize Committee was directed to publish annually the following votes : — 1st. That the Board do not consider tliemselves as approving tlie doctrines contained in any of the dissertations to which pi-eniiiinis may be adj udgt'd. 2\\(\. That in case of publication of a successful dissertation, tlio autlior be considered bound to print tlie above vote in connection therewilli. TREFA CE. xi University, United States, in 1880, 1 discussed the various methods of Antiseptic Surgery and the best modes of apply mg them to practice. And, in 1881, the council of the College of Surgeons of England awarded me the Jacksonian prize for a discussion of the history, prin- ciples, practice, and results of Antiseptic Surgery. This work is the outcome and development of these essays. The drawings in this book (both the woodcuts and the plates) have been made by Mr. Edgar Thurston, to whom I am much indebted for the great pains which he has bestowed m their preparation. Mr. Groves also kindly took some photographs, from which certain of the woodcuts have been drawn. Dr. Heron has ren- dered me great assistance in revising the proof-sheets and in preparing the Index. In dedicating this work to Mr. Lister I have attempted to acknowledge my great indebtedness to him. W. WATSON CHEYNE. Old Cavendish St., \V. October 1881. CONTENTS. CHAPTER I. THE PARTICULATE THEORY OF FERMENTATION. ON THE FERMENTATION OF BOILED SUBSTANCES. TAGR Definition of putrefaction and fermentation — Chemical fermentations — Living ferments — Various views on fermentation — Lavoisier — Fa- broni — Tlienard — \ppert — Gay-Lussac's experiments and conclusions — Caignard-Latour — Schwann, heated air inert — Schulze — Ure and Helmholtz, nascent oxj^gen inert — Liebig's views— Review of the subject — Schroeder and Dusch, filtered air inert — Schroeder, ozone inert — Schroeder's final views — Pasteur's researches — Lister — Roberts — Tyndall^My own results, carbolised air inert — Conclusions as to the cause of the fermentation of boiled substances .... 1 CHAPTER II. THE PARTICULATE THEORY OF FERMENTATION {continued). ON THE FERMENTATION OF UNBOILED SUBSTANCES. {jVAiiti yncc—Gaif-Liiasa' — Van tier Brocck— Pasteur — Boberts; blood — Van (Icr Broech — Pasteur — Bvrdoii- Sanderson — Lister — 3Iy own re- sults; unboiled urine — Van der Broeelt — Pasteur — Lister — My own results— Boberts — Cazeneure and Liron; milk — Hoppe-Seyler — Bo- hrrts — LAster — My own, experiments ; egg albumen — Van der Liroerk — Gayon — BobeHs — My own experiments; vegetable tissues — Boberts; animal tissues — Billroth — 'Hegel — Burdon-Sanderson — My own ex- periments — C'Mene and Ewart — Meissner — General review of the facts — Behaviour of fluids and tissues in the living body— Principles of aseptic surgery ;{() CHAPTER in. ASEPTU; SUR(;EKY — materials EMPLOYED, Problems to be solved in order to kcoi) a wound aseptic : Carbolic acid - Carbolic lotions - Pure earbolic aeid — Solution in methylated spirit — rarbol/e oil - Carbo/ie aeid and ylyrerine : Spray fjroducers: Catgut CONTENTS. — Carholisrd caffpit- Mr. Litsfcr'a earholtsi'd chromic catf/nt — Dr. J\fac- Ewcn's chromic catf/iit — Caft/iit troiir/h a)id j/ochct caxc: Carbolised silk: Protective: Carbolic gauze — Composition — Method of preparation — Yon lirun\'< gauze : Macintosh : Sponges : Boracic acid — Boracic lotion — Boradc lint — Boracic ointment : Salicylic acid —SalicijUc acid, cream. ■ — Salici/Uc ointment : Chloride of zinc : Iodoform : Carbolised cotton wool 52 CHAPTER IV. ASEPTIC SURGERY [confinned). Example of an aseptic operation : Purification of the skin — Fingers — Instruments: Spray — Precautions— Probable errors, and mode of re- medying them : Guard : Ligature of arteries : Drainage of wounds — India-rubber tubes — Catgut drains —Horse hair — Decalcified bone tubes (Neuber's and MacBwen's) : Sutures: Button stitches — Stitches of re- laxation — Stitches of coaptation — Aseptic strapping — Protective : DeeiJ dressing : Loose gauze : Gauze dressing : Elastic bandage. Changing THE DRESSINGS — Time — Method. Treatment of ulcers : Purifica-* tion of the sore : Boracic dressing : Boracic and salicylic ointment : Boracic poultice 67 CHAPTER V. ASEPTIC SURGERY (cOUtintieJ). Special dressings : Head dressfiiigs : Neck dres.tings : Bread dresKinfiK — Abscess of mamma — Excision of mamma alone — Excision, of mamma, and axillary glands : Axillary dressings : Dressings on the limhs : Dressings for psoas abscess : Lumbar abscess : Hip-joint abscess : Dressings in cases of hernia a7id operations on the scrotum: Excisions of joints. AsejDtic treatment of abscesses. Chief points to be con- sidered in opening abscesses — Method of opening abscesses — Drainage of absresscs— After-treatment of abscesses — Empyema — Perineal and anal abscesses. Treatment of wounds produced accidentally : Problem to be solved— Purification of wound — Further treatment of the n'ound. Special wounds : Compound fractures : Wounds innolring tendons, nerves, <^'c. : Wounds of joints : Compound fr act w'es of the skull: Pene- trating wounds of the thorax: Wounds of the abdomen. Putrid sinuses and wounds. Treatment cf burns. Treatment of gangrene. Treat- ment of na;vi and varicose veins ........ 0(5 CHAPTER VL ASEPTIC SURGERY — MODIFICATIONS. Country practice : How to dispense with the spray during the operation — and during the aft:;-: '^-eatment: How to render the ilreasings less fre- CONTEXTS. XV PAOK quent. Is the aseptic method applicable in war ? 3rr. Lister' s< snggestians : Esmarch's X}liui : Jiei/Jier's method. Development of Aseptic Surgery in Mr. Lister's hands : Compound fractures— Pvre carbolic acid — Formation of crust — Carbolic putty — Lead 2)laster — Imc plaster, syringing wounds with carbolic lotion, protect'n^e, catgut ligatm-es, method in 1870 — Present method in the main introduced in 1871 — Further introduction of wet gauze, steam spray, elastic bandages: abscesses — Method of opening them under carbolic oil : wounds . .120 CHAPTER Vll. ASEPTIC SURGERY {concluded). other methods of carrying out Aseptic Surgery. Substitutes for carbolic acid: Salicylic acid : Thymol: Acetate of Alumina : Eucaltjptus oil. Aseptic surgery by filtration of the air. Subcutaneous surgery . . i.SO CHAPTER Vni. THEORIES OF SPONTANEOUS GENERATION, HETEROGENESIS AND ABIOGENESIS. Principles on which other methods of Antiseptic Surgery act. Organisms are always present in fermenting liquids : their significance. Theory of the origin of organisms independently of a parent. Theories of Needham and Buffon : Needham's proofs. Spallanzani"s experiments : Needham's objections : Spallanzani's replies. Schulze's experiments. Schwann — Schroeder and Duscli — Schroeder. Doctrine of Hetero- genesis. Poiichet's work : his method of test ing the matter : proofs that the source of the organisms in infusions is neither the air, water, nor the putrescible substances : modes of repeating Schulze's and Schwann's experiments : examination of dust. Criticism of his re- sults. Pasteur's experiments : results with ordinary fluids : introduc- tion of dust into sterilised fluids : results with milk and alkaline fluids : the cause in the air which gives rise to the growth of organ- isms is particulate : Pasteur's cultivating fluid : estimate of Pasteur's work. Pouchet's reply : New experiments— Criticism of tliese . . 14") CHAPTER IX. SPONTANEOUS GENERATION {continued). The experiments of Jeffries Wyman : explanation of the results : VVyman's views on the subject. Dr. Uastian's views: Cases in which it is still possible that abiogcnesis may occur : Growth in vacuo— Bastian's ex- periments— my own results — Cohn's facts — Dj- Roberts's ohjection.s, the walls of the ve.s.sels remain impure — Basfian's reply — Objections to the latter — Graitlmiscn's experiments — Pau i.i-rt's results wiili CONTENTS. compressed air — Pouchct looks on a vacuum as preventing spontaneous generation — Paul Bert's results with rarefied air — Ur. Bastian does not always get positive results : Experiments in airless and hermetically sealed flasks raised to a high temperature — Objections— Prof. Huxley's and Dr. Sanderson's statements — Ray Lankester's results — Hartley: expei'imen-ts with alkaline fluids — Roberts's counter-experiment. Mr. Lister's experiments. Experiments by Roberts and Tyndall . .172 CHAPTER X. SPONTANEOUS GENERATION (conchtded). Facts with regard to unboiled fluids and tissues : Mr. Lister's facts with regard to milk : my own experiments with animal tissues. Present state of the question — Dr. Bastian's latest standpoint : Lie- big's doctrine. Can organic molecules derived otherwise than from pre-existing bacteria give rise to bacteria ? Firstly, there is nothing unreasonable in looking on these particles as bacteria or their germs: seeds carried by air : excessive minuteness of the germs of bacteria : Mr. Lister's experience with micrococci. Secondly, there is no direct evidence that organic molecules not derived from bacteria can give rise to bacteria : facts with regard to unboiled fluids and tissues — conclusions from these facts : Paul Bert's experimenTs : Cazeneuve and Livon: Pasteur: Dr. Bastian. Thirdly, there is no evidence that active organic molecules (chemical ferments, &c.) can resist heat more than living things can : effects of heaJt on ptyalin, pepsin, •&c. : my own case of difficulty in sterilising mil'k : Wyman's fact as to an alga living at 208 F I94 CHAPTER XT, RELATION OF MICRO-ORGANISMS TO FERMENTATION. ■Summary of what has preceded with reference to fermentation. Relation between ' vital ' and ' chemical ' fermentations : theories of fermen- tation. Liebig's views. Alcoholic fermentation : Paxte^ir'' » experiments tnid eonchishms. Rfsnmc. Butyric fermentation. Formation of pig- iiTicnt by bacteria. Schroeter : Cohn. Viscous fermentation. Lactic fermentation : Panteur : Lister. Other fermentations, especiaJly tJbe putrefactive: Levi aire ; Cazeneuve and Liron:: Paul Bert. C'onclu- ■sions ............. 20;'i (mAPTER Xn. RELATION -OF MI€RO-ORGANISMS TO THE FLUIDS AND TISSUES OF THE LIVING BODY. Propo.sed mode of cnquir;- — Does the aseptic met liod prevent putref^ac- tion? Does it exclude organisms from wound.s? Kanke's results: CONTENTS. Klebs' objection: Ranke's reply: Demarquay : Fischer: Schiiller : my own method — Results in aseptic wounds — Results in wounds treated otherwise — Koch's method of staining pus — Results in cases not treated aseptically — Examples of complete exclusion of organ- isms in aseptic cases — Examples of the entrance of micrococci in aseptic cases — Detiuition of micrococci — Distinctions between micro- cocci and bacteria. Are organisms present in the healthy living body ? — ' Bistournage.' Are organisms present in the body in states of disease ?— Experiments with ammonia, phosphorus, &c. — The healthy blood and tissues can destroy organisms — Relation of organ- isms to abscesses. How do micrococci enter aseptic wounds 1 Car- bolic lotion a salficient germicide ; Spray, its value — Stimson's experiments ; Gauze dressing as a protection against entrance of organisms ; Carbolic acid as a germicide in albuminous fluids ; Rela- tions of micrococci aud bacteria to fluids containing carbolic acid. Conclusions . . ......... 225 CHAPTER XIII. ANTISEPTIC SURGERY. Complete definition of antiseptic surgery. Varieties of antiseptic sur- gery. Treatment by Antiseptics : Carbolic acid — objections to it : Chloride of zinc : Boracic acid : Sulphurous acid : Chlorinated Soda : Alcohol — Hutchinson's method : Terebene and Sanitas — Bilguer's method — Neudorfer's salicylic powder. Free drainage as an an- tiseptic 3IETHOD. Irrigation and immersion. Open method: Modes in which it acts antiseptically : Bartscher and Vezin's method : Burow's method: Rose's modification. Healing by scabbing: Methods of forming a crust : Bouisson's ventilation method : other modes. Cuerin's cotton-wool dressing. Modes in which THE destructive ACTION OF THE TISSUES ON BACTERIA IS AS- SISTED. Wliy does not fermentation always occur in the blood in wounds in wliich organisms are present ? Best practical methods. Conclusions 265 CHAPTER XIV. HISTORY OF ANTISEPTIC SURGERY. Practice of the ancient writers. Attempts of the ancients to secure im- mediate union of wounds. Pare and Paracelsus : Delacroix : Arcjeus : Progress of wound treatment in the sixtcentli century. Seventeenth century: Magatus: Wiseman: Colbatch : Progress in the seventeenth century. Eighteenth century and the early jiart of the nineteenth : Boerhaave : Col dc Villars : Heister : Bilguer : Benjamin Bell : Abcr- nethy : John Hunter's objections to the views of Bell and Abernethy : John Bell : opinion and practice of other surgeons : Conclusions : Von Kern . . 290 CONTENTS. CHAPTER XV. HISTORY OF ANTISEPTC SURGERY (continued). I'AOB History of the various methods. Incubation : Gu3'^ot. Subcutaneous surgery, preliminary attempts : Stroraeyer : DielTcnbach : Jules Guerin : Langenbeck : Other authors. Occlusion : Jules Guerin : Chassaignac — Eochard's remarks: Pansement ouate — Alphonse Guerin, method and results — Oilier. Substitution of various gases for air: Demarquay and Leconte. Open Method: I'Sartscher and Vezin: Burow: Humphre}-. Healing by scabbing: John Hunter: Xeudorfer : Bennion : Lister : Bouisson : Bonnet, kc. Irrigation and the water-bath : early history : Josse : Berard : Mayor: Amussat : Langenbeck: Valette 317 CHAPTER XVI. HISTORY OF ANTISEPTIC SURGERY (conckuhd). Use of antiseptics: Alcohol — older WTiters — Nelaton — Hutchinson: Glyce- rine— Demarquay : Chlorine: Chloride of zinc: Iodine: Iodoform: Chlorate of Potash : Perchloride of iron, &c. : Coal tar — Corne and De- raeaux — Report of the commission : Coal tar saponine — Lemaire — his views on putrefaction : Carbolic acid — Lemaire — Lemaire"s position n regard to Aseptic Surgery — Lister : Further phases in the historjr of this subject : Objections to Mr. Lister's claim as originator of the Aseptic method — Simpson — Neudorfer. Modifications of the method. Su.bstitutes for carbolic acid. Objections to the Aseptic method . . 347 CHAPTER XVII. RESULTS OF ANTISEPTIC SURGERY. Chief points for consideration. How far do the various methods prevent fermentations in wounds ? How to ascertain the true value of any individual method. The value of the various methods in guarding against infective disease: meaning of the term 'infective disease' Relations of Aseptic Surgery to infective disease. 3/r. Lufrr's remdtn iv fllaariow. The recent Glasgow .tfatiaficK. Mr. Lixter's resvlts in Edinlmrf/h ; re.snlts in sejftic and asej)tio ca^es — 3/r. Sjfcnce's jwactice — Mr. Slime's results — Mr. Lister\'< results at Kinff's Cnlle/je Hospital : — Volkmann — Nmshauni — Socin — Saxtorph — Esmareh. — lluetcr — Czeriiy — Lucas- Cliamqnonnix-re — Gross — LHievant — Panas — Schede— Reyher — Spencer Wells — Keitli^Thornton. TliicrscVs results with salicylic acid. Thymol. The relations of other forms of Antiseptic Surgery to these diseases — Treatment hy Antiseptics — Beyher — lAstcr — Nvlaton — JTutchinson. Occlusion — Jules Gverin — Alphonse Guerin. Treatment hy irrigation and mater hath — Langcnheck — Valette. Open CONT'ENTS. xix PAGE Method — Barischer and Vezin — Bvrmv — Kr'onlein. Results where no antiseptic measures were adopted — Billroth — Malyaigne — Paul — Holmes — Erich&en. Eesults of cleanliness — Mo Vail — Bardenheuer . 365 CHAPTER XVIII. RESULTS OF ANTISEPTIC SURGERY {continued). General considerations. Wounds of, and operations on, healthj* joints. Method of treatment adopted in these cases. Definition of the term 'Aseptic course': Example. Wounds of healthy joints. Operations on healthy joints. Objections to the value of these cases : reply. In- cisions into joints affected with synovitis. Incisions into joints af- fected with pulpy degeneration of the synovial membrane — a without suppuration, b with suppuration. A''oliimann's results : Max Schede : Paul Barth : Saxtorph : Piechaud : Nussbaum : Albert : Hueter : Letievant : Kraske : Eeyher: Bergmann. Comparison of Pieyher's results with those obtained during the Crimean war, and with Heint- zel's. Treatment bj' irrigation. Necessity for observing the minutest precautions as shown by Mr. Lister's case. Piesults of removing foreign bodies from joints without aseptic precautions : Larrej^ : Speuce : Paget 417 CHAPTER XIX. RESULTS OF ANTISEPTIC SURGERY {continued). Compound fractures. Differences between those produced accidentallj^ and those caused by the surgeon : treatment and after-progress of each class. Tables of accidental compound fractui-es treated by Mr. Lister: thigh; leg; liutner us ; forearm ; skull; summary of results. Tables of compound fractures produced intentionally bj' Mr. Lister ; femur ; leg ; clavicle ; humerus ; forearm ; lower jaw. General summary of Mr. Lister's results. Mr ^pence's results. Other operations on bones by Mr. Lister. MacEwen's osteotomies : Volkmann : Max Schede : Bardenheuer : MacCormac. Combined aseptic results: Results br- other methods . Volkmann and Fraenckel : Holmes : St. Thomas's IIosjDital. Rej'her's results in war. Open method: Kronlein. Septic methods 461 CHAPTER XX. RESULTS OF ANTISEPTIC SURGERY {continued). Abscesses connected with di-sease of the vortebne. Best situation for opening psoas abscesses : best time for opening them : after-treatment and after- progress. Table of Mr. Lister'.s results : general summary and remarks on these cases. Comparative statistics are wanting. Sir James Paget 's views . . . 'Al XX CONTENTS. CHAPTER XXI. RESULTS OF ANTISEPTIC SURGERY (concluded). PAGE General consideration of the results. Results of the various methods in saving life. Results in avoiding infective disease. Cleanliness : defi- nition of the term : Mr. Savorj-'s definition and method : cleanliness has not abolished infective disease even in healthy hospitals : cleanli- ness is a complex method : infective disease may appear even in the best hygienic conditions. The source of infective disease. Conclu- sions as to the value of the various methods in preventing infective disease. Deaths from prolonged suppuration after chronic abscesses, compound fractures, &c. Operations on weak or diseased individuals are rendered possible by the aseptic method. Operations otherwise iinjustifiable,but nevertheless necessary for the recovery of the patient, may be safely done by the aseptic method. The patient may be made a more useful member of society: joint cases : tenotomy, &c. : com- pound fracture : dangers of operations of convenience. Local results of wounds treated aseptically : absence of pain, inflammation, &c. : experiments of Yeo and Ferrier : organisation of blood-clot, catgut, sloughs, &c. Histological details of the process : Tillmann's experi- ments. Temperature in aseptic cases : contrast with septic cases. Local and constitutional course of cases not treated aseptically. Objec- tions to aseptic surgery: carbolic acid poisoning: the surgeon is said to neglect the constitutional state of the patient: expense: trouble : necessity for the spray. Conclusion : great principle of wound treat- ment is Rest . 540 Index 603 LIST OF ILLUSTRATIONS. 1. .Schwann's method of admitting heated air to putrescible fluids . . 7 2. Schroeder and Dusch's apparatus for supplying filtered air . .13 3. Pasteur's flask with the bent neck 16 4. Door of Mr. Lister's hot box 18 5. Mr. Lister's hot box 18 6. Mr. Lister's large double-necked flasks 19 7. Method of filling these flasks 20 8. Mr. Lister's arrangement to protect fluids in liqueur glasses from dust 21 9. Mode of filling Mr. Lister's liqueur glasses ...... 21 10. Dr. Roberts's bulbs (copied from Roberts) , 23 11. Prof. Tyndall's pure chamber (copied from Tyndall) . . . .24 12. Dr. Roberts's experiments with grape juice (from Roberts) . . 33 13. Pa.steur's method of obtaining fresh blood (from Pasteur) . . .34 14. Beaker containing unboiled meat and a putrescible fluid . . .46 15. Hand spray producer 54 16. The ordinary steam spray producer . 54 17. Steam spray producer, showing the lamp at present in i;se . . . 55 18. Large steam spray producer with double nozzle for ovariotomy, kc. . 56 19. Trough for catgut 59 20. Lister's pocket catgut holder 59 21. Machine used in the Glasgow Royal Infirmary for manufacturing gauze 63 22. Porcelain trough containing instruments .soaking in carbolic lotion , 70 23. General arrangement of surgeon, assistants, towels, spray, &c., in an operation performed with complete aseptic precautions . . .71 24. To .show the arrangement of towels, &c., in a large operation . . 72 2'>aMcth()(\ of tving vessels in dense tissues ...... 75 xxii LIST OF ILLUSTRATIONS. 25/'.Anotlier method of tying vessels in dense tissues (from Esmarch) . 76 26. Ordinary oblique-ended drainage-tube ready for use . . . .77 27. Drainage-tube with masses of gauze in the loops of tliread . . 77 28. Incision for inguinal hernia, stitched, showing tlie position of the drainage-tube at the outer angle of the wound . . . .78 20. Sinus forceps ^9 .30. Catgut drain ready for insertion 80 31. Operation for stretching the sciatic nerve 82 32. The same wound stitched 83 33. Method of preparing a horse-hair drain for re-introduction . . 84 3-1. Lead buttons for deep stitches 85 35. Wound after removal of mamma and axilliary glands, stitched . 86 36. Excision of the hip-joint 88 37. Dressing in a case of psoas abscess opened above Poupart's ligament 90 38. Method of changing a psoas abscess dressing 92 30. General arrangement of dressings on the neck . .... 97 40. To show the arrangement of the turns of bandage on the head, seen from above 98 41 . Dres.sing applied in a case of abscess of tlie mamma (breast dressing No. 1) 98 42. Breast dressing No. 2 98 43. Dressing after excision of the mamma 99 44. Dressings applied after excision of mamma and axillary glands, to show the arrangement of the dressings and bandages . . . 100 45. Binder applied outside the dressing represented in tig. 44, so as to keep the parts and dressing at rest ...... 101 46. Dressing in cases of operation on tlie axilla alone .... 102 47. Dressing in a case of psoas abscess opened above Poupart's ligament, seen from the front 103 48. Psoas abscess dressing (fig. 47), seen from behind .... 104 49. Dressing in a case of lumbar abscess, seen from behind . . . 101 50. Dressing in a case of hip-joint abscess, with elastic api^lied . . 105 51. Deeper part of the hernia and scrotal dressings 106 52. Dressing in a case of operation for hernia, or on the scrotum on the left side, showing the arrangement of the dressing and elastic bandage 106 53. Dressing in hernia cases or in operations on the scrotum, showing the arrangement of the bandages in the perineum. (Seen from below) 107 54. Si^lint for excision of knee, read}' for application .... 108 LIST OF ILLUSTRATIONS. xxiii nr,. PAGE 5. Splint applied in a case of excision of the knee ..... 108 56. Two forms of sharp spoon.s, a large round one and a .small oval one . 117 57. Esmarch'.s first dressing for the wounded in battle (from MacCormac) 121: 58. Schulze's method of demonstrating that organisms are derived from the air and do not originate spontaneou.sly in liquids . . . 150 59. Pouchet's mode of repeating Schulze's experiment (from Pouchet) . 156 60. Another mode adopted by Pouchet for testing Schulze's views (from Pouchet) 156 61. A simple mode of repeating Schulze's experiments (from Pouchet) . 161 62. Pasteur's mode of introducing dust into flask containing calcined air 165 63. Another mode of repeating Schulze's experiment (from Pouchet) . 169 64. Bacillus subtilis ; without spores; with spores in the rods; free spores; x 600 (after Cohn) ........ 180 65. Deposit in rennet, consisting of a mass of micrococci and spores of bacilli, X 600 (after Cohn) 180 66. Dr. Roberts's experiment with alkaline fluids ..... 192 67. Torula cerevisiaj (after Pasteur) 210 68. Pasteur's experiment on unboiled grape juice ..... 210 69. Bacillus subtilis, x 650 (after Cohn) 212 70. Pigment producing organisms ........ 213 71. Bacterium lactis in pairs and chains . . . . . . .216 72. Flask containing cultivating fluid inoculated from a wound . . 231 73. Thiersch's ichampagne bottle irrigator . 273 7-1. Arrangement for irrigation in the upper limb (after Esmarch) . . 274 75. Arrangement for irrigation in the lower limb (after Esmarch) . . 275 76. Apparatus for continuous immersion (after Esmarch) . . . 275 77. Temperature chart from a case of operation for fracture of the patella. (No. 21, p. 434) 421 Temperature charts of Mr. Lister's cases of wounds and operations on joints (i.-xvii.) 438, 439 78. Temperature chart from a case of compound fracture in which the attempt to eradicate the causes of fermentation was unsuccessful, and which therefore became a septic case. (No. 26, p. 472) . . 463 79. Temperature chart from a case of compound fracture which followed anasopticcour.se. (Case 23, p. 472) 4f,4 Temperature charts of Mr. Lister's cases of compound fracture (xviil.-xxx.) 482, 483 Temperature charts of IMr. Lister's cases of compound fracture (xxxi.-L.) 500, ,501 Temperature charts of cases of psoas and lumbar abscess (li.- LXVli.) 534,535 xxiv LIST OF ILLUSTRATIONS. FIG. I'AGE 80. Temperature cliart. from a case of MacEvven's operation for double genu vulgum ........... 576 81. Temperature chart from a case of compound fracture, in which there was great difficulty in retaining the fragments in position. (Case 27, p. 472) 82. Temperature chart from a case where the ankle-joint was incised in a hajmophilious patient, and where hfemorrhage recurred several times. (Case 16, p. 430) 581 83. Temperature chart from the case of removal of loose cartilage from the knee-joint, in which fermentation occurred. (Case 22, p. 434) 582 84. Temperature chart from a case of operation for recent fracture of the patella. (Case 15, p. 430) 582 Temperature charts of septic cases 584 Temperature charts of aseptic cases 585 ANTISEPTIC SUEGEEY. CHAPTER I. THE PARTICULATE THEORY OF FERMENTATION. ON THE FERMENTATION OF BOILED SUBSTANCES. Definition of putrefaction and fermentation — Chemical fermentations — Living ferments — Various views on fermentation — Lavoisier — Fabroni — Thenard — Appert — Gay-Lussac's experiments and conclusions — Caignard-Latour — Schwann, heated air inert — Schulze — Ure and Helmholtz, nascent oxygen inert — Liebig's views — Review of the subject — Schroeder and Dusch, filtered air inert — Schroeder, ozone inert — Schroeder's final views — Pas- teur's reseai'ches — Lister — Roberts — Tyndall — My own results, carbolised air inert — Conclusions as to the cause of the fermentation of boiled sub- stances. The term ' septic ' so much used in surgery at the present day is derived from the Greek word (X7]ittlkos, which means some- thing that causes putrefaction, the verb (ji!]itw signifying to cause to rot, to make putrid. An 'antiseptic' is therefore, according to this derivation, something w^hich acts against the causes of putrefaction, and ' Antiseptic Surgery ' is surgery directed not against its effects but against its caitses. In deal- ing, then, with the subject of antiseptic surgery, we must first enquire what is putrefoction, and how is it brought about ? Putrefaction is now held to be a form of fermentation ac- companied by the development of offensive odours, and fermen- tation may be defined as ' a new arrangement of the elements of an organic compound (often with the assimilation of the ele- ments of water), and the consequent formation of new products.' (Fownes.) Changes coming under the nbove definition of fermentation B 2 THE PARTICULATE THEORY OF FERMENTATION. have been long known as the result of what is termed Catalysis. Of this perhaps the best example is the change effected in Amygdalin by the action on it of Emulsin. As a result of the contact of these two bodies in presence of water, the amygdalin is broken up into various products, of which the chief are hydrocyanic acid and oil of bitter almonds. This decomposition of amygdalin is, however, not effected by combination with emulsin, for the latter remains unchanged, although its presence is necessary for the chemical action. Similar fiicts are known with regard to the Pepsin of the gastric juice, the Ptyalin of saliva, the pancreatic ferment, &c. But although these ferments undergo little or no change, yet nevertheless it has been clearly proved that they have not the jwwer of self-multiplication. Hence these ferments generally receive the name of ' chemical ' ferments. There is, however, another class of ferments which possess this power of self-multiplication in a remarkable degree. An instance of this may be given in the alcoholic fermentation. Here a minute piece of yeast is introduced into grape juice, or into a sugary solution, and as a result fermentation soon sets in, and goes on slowly till the sugar is decomposed. If we compare this process with the former we see two marked points of difference ; in the first place, in the former the change is rapid and more or less instantaneous; in the latter it progresses slowly and steadily, and requires much more time for its com- pletion. In the former there is no increase in quantity of the ferment ; in the latter the increase is very marked, and when the fermentation has gone on for some time the minutest portion of the fermenting substance added to unfermented material of like composition produces in it a similar series of changes ; and this multiplication of the ferment goes on continuously whenever it is brought in contact with fresh material. As this power of multiplication is a property of living things, the term ' vital ' is usually applied to this class of ferments. In one point the ' chemical ' ferment is allied to the ' vital ' ferment. It is not a substance as yet formed by the "chemist. It is the product of living cells ; and it is quite possible that the yeast plant may act in the same way as the salivary or THE FERMENTATION OF BOILED SUBSTANCES. 3 peptic cells, viz. by excreting a ferment which produces the change in the fermentescible substance, this ferment in neither case possessing the power of self-multiplication. In the case of the salivary ferment the cells which produce it are an integral part of a complex organism, and cannot live apart from the body ; hence the ptyalin, introduced into starch, does not increase in amount. On the other hand, the yeast plant is an independent cell, and grows free in the fermenting fluid, and it is to the growth and multiplication of these living cells, and not to an increase in quantity of the chemical ferment as such, that the multiplication of the fermenting power is due. In the putrefaction of discharges in wounds we have to deal with a ferment belonging to the same class as the alcoholic fer- ments — with a ferment capable of multiplication, which acts slowly and steadily, not suddenly. We must therefore enquire a little more fully into the nature of this class of ferments, into theii- origin and history, in order to obtain some principles to guide us in attempting to prevent their action. In reviewing the history of this subject, the first research of any consequence which it is necessary for us to consider is that of Gay-Lussac* Previous to the publication of this paper at- tempts had been made by Lavoisier, Fabroni, and Thenard to give some explanation of the process of fermentation. Lavoisier's work was in the main carried out with the view of ascertaining the changes which a fermenting liquid under- goes.^ He did not attempt to assign a definite cause for the process. Fabroni,^ writing on the subject of the alcoholic fermentation, concluded that fermentation was a decomposition of one sub- stance by another, 'just as a carbonate is decomposed by an acid, or sugar by nitric acid. The substance which decomposes sugar is a vegeto-animal substance. It is contained in certain utricles in the grape. When the grape is crushed this material, which is of the nature of gluten, mixes with the sugar in the juice, and as soon as these two substances come into contact, effervescence or fermentation commences just as occurs in every • Annates de Cliinrie, Ixxvi. 1810. ^ J'JUtiindit de CMmic, i. 2nd ed. ^ Annalrs de Chimtr, xxxi. 1799. 4 THE PARTICULATE THEORY OF FERMENTATION. other chemical process, as, for instance, when an acid and a carbonate are mixed in the same vessel.' Some years later, but ignorant of Fabroni's views, Thenard published a research on alcoholic fermentation,' in which he showed that gluten had no power whatever of causing the fermentation of sugar. He observed that during the pro- cess of fermentation, a deposit occurred which had the power of inducing a similar change in a fresh saccharine liquid. This substance was apparently the same in a great variety of liquids of different chemical composition, and it presented characters similar to those of yeast. Thenard states that he was unable to determine whether this substance was formed in the course of the fermentation, or whether it was in solution at the com- mencement and became deposited as a result of the changes which occurred. He, however, inclines towards the latter view. Gay-Lussac was led to make his investigations by studying the procedure of M. Appert for preserving vegetable and animal substances.^ Appert's method consisted in placing the materials to be preserved in bottles, very closely corked. These bottles were exposed to the temperature of boiling water for a longer or shorter period of time. They were then packed up and kept for use. There can be no doubt as to the efficiency of this method, for in Appert's work certificates are furnished by several scientific commissions, containing such names as Gay- Lussac, Bordel, &c. Gay-Lussac noticed that, though the sul^stances so prepared could be preserved unaltered for an indefinite period so long as the vessels were kept thoroughly closed, yet, as soon as the vessels were opened, and more especially if the substances were decanted into other vessels, their contents underwent fermentative changes. To ascertain why this occurred, he took a flask of grape-juice which had been preserved for a year unaltered, and which was ac- cordingly quite limpid. Having opened the flask he poured its contents into another vessel, which he closed very accurately and kept at the temperature of 15° to 30° C. Eight days later ' Atuudcs de ChhnU; xlvi. ISOiJ. ^ The Art of Preserving Animal and Vegctuhlc Suhstanees. GAY-LVSSACS EXPERIMENTS. 5 the juice had lost its transparency, fermentation had become established, and it soon became an alcoholic fluid. A second vessel containing gi'ape-juice, prepared by Appert's method, was kept at the same temperatm-e and in the same place, but unopened. This remained pure. This latter flask, the neck of which had been drawn out and sealed, was now taken, and a deep notch having been made with a file, its neck was plunged into mercury and then broken off. A portion of the contents was then introduced into a bell-jar containing no oxygen, and a second portion into one containing a small quan- tity of that gas. The first remained without change for forty days, while the second underwent fermentation very rapidly. In the latter flask all the oxygen had disappeared, but much more carbonic acid in proportion had been produced. Gay- Lussac therefore concluded that, although oxygen is necessary to initiate the fermentation, yet it is not essential for its con- tinuance. The same results were obtained when currant-juice or freshly prepared gi'ape-juice were used. Gay-Lussac further found that, if this juice after being transferred from one vessel to another were again heated after secure corking, it could again be preserved for an indefinite time. He observed that during the boiling the fluid lost its transparency and a deposit took place. He came to similar conclusions as to the necessity of oxygen for the initiation of fermentative processes, in the case of the putrefaction of meats, &c., preserved according to Appert's method, Gay-Lussac concludes from his experiments that oxygen is necessary for the commencement of the fermentation ; that this oxygen combines with some substance in the fermentescible fluid, thus producing the ferment, which can then act without further oxygen ; that the effect of the heat in Appert's method is to decompose any combination already formed, and to make the oxygen which is present unite to form some substance which is not a ferment ; that the product of this union with oxygen is the deposit which is seen to occur on heating these fluids. 1 [e however recognises that fermentation is still a mysterious process, since it occurs slowly and not immediately like other chemical actions. Passing now over a period of some years, we come to the G THE PARTICULATE THEORY OF FERMENTATION. views of Caiguard-Latour, made known in papers presented to the French Academy dming the years 1835-37.' On examin- ing fermenting grape-juice, he found (as indeed had been im- perfectly observed before by Leuwenhoeck and Desmazieres) that it contained numerous globular bodies which he considered to be of vegetable nature, and which he found to possess the power of reproduction, partly by budding and partly, as he sup- posed, by contracting and liberating numerous spores. From several facts — amongst others, from finding that in juices not undergoing alcoholic fermentation these bodies were absent, while they were always present where that fermentation oc- curred — he concluded that they were the cause of the fermenta- tion. He fm-ther found that the de})Osit of which Thenard spoke, and which he had stated to be the ferment, was composed entirely of these bodies. Similar views were announced almost simultaheously by Schwann,'-* and to him rather than to Caignard-Latour must be given the credit of having furnished the first real proof of the view that these cells were the causes of the fermentation. Schwann prepared infusions of meat, fruits, &c., somewhat after Appert's method, but, instead of leaving the vessels com- pletely sealed, he allowed air which had been previously heated to come in contact with the fluids. The following is his de- scription of the method which he ultimately adopted. ' Into a three-ounce vessel a small piece of meat was introduced, and then water was added so that the whole occupied about one- fourth of the capacity of the vessel ; the bottle was then closely corked, the cork being firmly fastened down by wire. This cork was traversed by two small glass tubes, one of which was at once bent downwards on its exit from the vessel, and its orifice dipped into a small beaker containing mercury covei-ed by a layer of oil. The other tube ran at first horizontally and then directly downwards for an inch and a half. There it had two narrow spiral turnings, then it again ran upwards, and finally horizontally, being di'awn out to a fine point at its termi- nation. The cork was covered with several layers of a solution of caoutchouc in linseed oil, rendered thinner by the addition of oil of turpentine. The fluid in the flask was now boiled, and the steam was made to issue from the two tubes till the mercury and oil became so ■ See Annales de CMmie ct de Ph unique, t. Ixviii. 2" seric, 1838. * Pofjgendorf's Annalen, xli. 1837. SCHWANN'S EXPERIMENTS. hot that they no longer condensed the steam. (In order that no organisms might develop in the water which remained between the oil and the mercury, a layer of corrosive sublimate was placed between them.) While the boiling was going on a spirit lamp was placed under the spirals of the second tube, and the heat was continued until the tube began to soften (see Fig. 1). Thedropaof water condensing in the cooler parts of the tubes were dispelled by another lamp. After boiling bad continued for a quarter of an hour it was stopped, and, during the cooling of the flask, air passed through the second glass tube into the vessel, being however j^reviously heated in the spiral part of that tube. After complete cooling of the flask the orifice of this tube was sealed and the portion of the tube between the spiral and the end, containing unheated air, was heated. That being done the spirit lamp was completely removed.' Fig. 1. — Schwann's mkthod. Prepared in this way, the flask contained only boiled meat infusion and heated air. From time to time this air was renewed in the following manner : the spiral part of the tube having been heated almost to melting, the point was broken and fresh air forced slowly in, the old air bubbling out through the mercury. After a time the tube was again sealed with the same precautions as before. By operating thus Schwann succeeded in preserving meat and other substances at a temperature of 63° to 77° F. without any putrefaction, and without the appearance of organisms in them ; while the same materials when exposed to ordinary air underwent putrefactive changes in a few days. 8 THE PARTICULATE THEORY OF FERMENTATION. It was thus evident that there was a something present in the air, other than the gases of the air which had the power of bringing about fermentative changes in boiled liquids, and that this something could be destroyed by heat. Some -further experiments which Schwann performed with reference to the alcoholic fermentation furnish additional evidence against the view that the gases of the air are the causes of putrefaction. A solution of cane sugar having been mixed with yeast, four flasks were quite filled with the mixture and then corked. These flasks were placed in boihng water for an equal length of time (ten minutes each). They were then inverted over heated mercury, and air was introduced so as to displace one-third to one-fourth of the fluid. The flasks were afterwards corked under mercury and kept at a tempera- ture of 63° to 77° F. In two flasks the air thus introduced bad been previously heated, in the other two it had not been so treated. In four to six weeks the flasks which had received the unheated air burst, their contents having undergone alcoholic fermentation. The other two flasks remained unchanged for more than three months. Schwann states that this latter experiment with heated air is generally, but not always, successful, and he explains this by the supposition that after the heating of the mercury, and in the processes of uncorking and corking, organic matter, which had not been previously heated, might very possibly mix with the mercury and enter the flasks. (This view has since been proved to be correct by Pasteur.) It is but fair to refer here to the experiments on spontaneous generation published in 1836 by Franz Schulze. These will be described at a later period. They are, however, of interest here, because Schulze anticipated Schwann in the principle of admitting air previously acted on "in some way or other, in his case chemically, to Appert's preserves. Schwann's experiments were repeated and confirmed by Ure in 1840 1 and by Helmholtz in 1843.^ The latter author, in order to test the oxygen view still further, prepared an infusion in the usual manner in a vessel into which platinum electrodes were fixed. After the infusion had remained unaltered for some ' Journal fiir pralttischc Chemic, xix. ^ Mailer's Archir. 1843. LIEBICrS VIEWS. 9 time a current of electricity was sent through the liquid, decomposing the water into hydrogen and oxygen. But even this oxygen in its nascent, and therefore in its most active state, was unable to produce any fermentation in the fluid. In the meantime Liebig had stepped forward as the oppo- nent of the views advanced by Caignard-Latour and by Schwann. He proposed a theory of a totally different nature.^ After pointing out that organic molecules have a tendency to alter their constitution, to break up and rearrange themselves, he approacVies the question of putrefaction and fermentation. With regard to the cause of these changes he writes as follows : ' Cette cause est la faculte que possede un corps en decomposi- tion ou en combinaison, c'est-a-dire, en action chimique, d'eveiller la meme action dans un autre corps qui se trouve en contact avec lui, ou de le rendre apte a subir I'alteration qu'il eprouve lui-meme.' He compares this sort of action to combustion, and cites several well-known instances of this kind, such as the de- composition of nitric acid by an alloy of platinum and silver, a change which does not take place with the platinum alone ; or the decomposition of peroxide of manganese by oxide of silver, &e., in water containing oxygen. He includes under the term ' eremacausis,' the alterations which organic substances undergo at ordinary temperatures, and as the result of the action of oxygen. When oxygen is excluded, putrefaction occurs. Putrefaction is a combustion of one or more of the elements of the organic substances at the expense of their own oxygen. Where no foul smelling products result, the process is termed fermentation. Putrefac- tion occurs when the equilibrium of the attractions of a complex organic molecule is upset, and it results in a rearrangement of these elements. Non-nitrogenous organic substances do not imdergo this putrefaction spontaneously when they are pure. They must be brought in contact with some substance already undergoing change. This latter substance is therefore termed a ferment. This ferment is a nitrogenous substance under- going putrefaction and eremacausis, it converts the oxygen of the air into carbonic acid, &c. Its activity is destroyed by desiccation, by heat, alcohol, &c. It is the soluble portion of ' Annalex de Chimir ct de Physitpw, 2« serie, Ixxi. 1831). 10 THE PARTICULATE THEORY OF FERMENTATION, the ferment which is active, and this does not act by direct contact, but in consequence of a decomposition which it itself undergoes. The elements of the ferment take no part in the formation of the products which sugar furnishes when fer- mented, though at the same time the ferment is itself under- going destruction. (This latter statement is based on an ob- servation by Thenard, who found that 20 parts of fresh yeast, added to 100 parts of sugar left, after fermentation was com- plete, only '13*7 parts of an insoluble residue. This residue placed in a new portion of sugar became reduced to 10 parts. This last residue no longer exerted any action. Pasteur has since completely disproved the accru-acy of Thenard's results. On the contrary he iinds that yeast increases markedly during fermentation, and in his latest work Liebig admits this.) The ferment is, therefore, according to Liebig, a body undergoing decomposition. If the ferment is too small in quantity for the sugar, when the decomposition of the former is complete the latter ceases to ferment (this statement has since been shown to be quite erroneous), and therefore a sufficient quantity must be present in order that its decomposition may not be completed till that of the sugar has ended. No special substance is, according to this view, required in order to act as a ferment, but merely one which shall be the constant exciter of action in the fermentescible substance. (This statement is also wrong, because putrefying fluids and tissues added to sugary solutions do not convert the sugar into alcohol. This was latterly admitted by Liebig, who was compelled to allow the existence of some relation between the yeast plant and the alcoholic fermentation, a connection which he, however, attributed to the effect propagated from the dead and dying, not from the living, cells.) Liebig sums up as follows : — Organic compounds present two opposite and definite phenomena. 1. They give rise to bodies endowed with new properties, the elements of several molecules of a more simple compound uniting to form one molecule of a more com^ilex nature. 2. Some complex molecules of a high degree of complexity LIEBIG'S VIEWS. 11 break up into one or more less complex molecules of a lower order, in consequence of the destruction of the equilibrium of the attractions of their elements. This equilibrium may be destroyed by heat, by contact with a body of different compo- sition, or by the action of a body which is itself undergoing change. As an example of this Liebig takes the case of urine : ' In fresh urine,' he says, ' if oxygen be entirely excluded there occiu-s no alteration of the urea or of the hippuric acid con- tained in it, but if exposed to the air another substance present in the urine (probably the mucus) undergoes a change of form and composition (eremacausis), which is transferred or com- municated to the urea and the hippuric acid ; the urea is resolved into carbonic acid and ammonia; the hippuric acid disappears, and in its place is found benzoic acid,' He continues : ' When we reflect that the power of exciting putrefaction belongs to bodies of the most different composition, that blood, flesh, cheese, saliva, infusion of malt, emulsion of almonds, &c., acquire this property as soon as, by the chemical action of oxygen, a disturbance in the equilibrium of the attraction of their elements has taken place, all doubt as to the true cause of these phenomena seems to disappear.' (We shall see later that in this Liebig is wrong, that meat, cheese, &c., cause putrefaction not from any inherent tendency to do so or from any state of decay, but because they introduce the necessary particles into the putrescible liquid.) Liebig then goes on to say, with reference to the germ theory of putrefaction, that after the death of fungi and in- fusoria we observe the same putrefactive phenomena as after the death of a larger animal. These organisms, according to him, only appear at a late period of putrefaction, and therefore are not the cause of it, though no doubt by their vital actions they must hasten and modify the change. And now let us pause in the history of this important sub- ject, aud methodise somewhat the views expressed. These may be divided into three sets. Firstly, we have that of Gay- Lussac, who attributes putrefactive and fermentative changes solely to the influence of oxygen in the flrst instance. 12 THE PARTICULATE THEORY OF FERMENTATION. Then come the views of Caignard-Latour and Schwann, refeiTing these changes to the entrance into the fluids of solid particles from without, which may be destroyed by heat. These authors go further, and ascribe the whole fermentative process to the growth of the organisms which are found in the ferment- ing liquids. And, lastly, we have the view of Liebig, who looks on oxy- gen as in so far favouring fermentation that it causes erema- causis, the molecules undergoing this change being now capable of setting up putrefactive and other fermentative changes. The latter changes are therefore due to the presence of some substance itself undergoing change, and to this substance the term ' ferment ' is applied. This ferment may be destroyed by heat. It will be more convenient if for the present we class these views under two heads — the oxygen theory (Gay-Lussac's) on the one hand, and the particulate theory (Schwann's) on the other. At a later period we shall determine whether Liebig's or Schwann's is the more tenable view. I have already mentioned the researches of Schulze, Schwann, Ure, and Helmholtz as tending more or less to upset the views of Gay-Lussac. The next research of importance on this subject is that by Schroeder and Dusch.' Their aim was to see \N]\eihex jiltraiion of the air would be sufficient to prevent the fermentation of boiled fluids. Their apparatus was the following : — A glass vessel containing the material to be tested (meat infvision, &c.,) was closed by a close-fitting cork, which was dipped into hot wax previous to its insertion. This cork had two holes in it wliich gave exit to two tubes bent outside to a right angle, these tubes being also firmly embedded in the cork ; one tube was for the purpose of con- ducting air to the vessel, and the other to suck air out of it. The conducting tube was connected by means of a short piece of vulcanised caoutchouc with a glass tube ; the latter was again attached to a wider tube (1 inch in diameter and 20 inches long) by means of a similar cork to that in the bottle, and at the other end of this tube was a cork with a bit of tubing in it, called the open tube. The wide ' Annalen dcr Chcmic tind Pharmacic, 1854. SCHROEDER AND DUSCH. 13 tube was loosely filled with cotton wool which had been pi-eviously heated for some time in a water bath. The other tube — the suction tube — which in the interior of the flask reached almost to the level of the fluid, was connected by means of a vulcanised india-rubber tube with the upper tube of an ordinary gasometer, this latter tube being provitained the cock is shut and the flask placed in a suitaljle tempei'a-- ture.' As a result this blood does not putrefy, and its odour re- mains quite fresh. There is not even an active absorption of ' Etudes xvr la JJihr, 187G. BLOOD: BURDON-S ANDERSON, ROBERTS, LISTER. 36 oxygen, for after several weeks only 2 or 3 per cent, of that gas was found to have disappeared in a vessel sealed imme- diately after the blood had been introduced. Dr. Burdon-Sanderson • also found that blood taken from rabbits with suitable precautions, and put into purified flasks covered with cotton wool, remained free from change. Dr. Eoberts,^ having purified his tubes in the way described, and having thoroughly cleansed his finger, punctured it, and sucked up about two drops into each tube. Of ten tubes pre- pared in this way, six remained unaltered. This experiment is of little value, partly on account of the imperfect method of experimentation, and partly on account of the small amount of blood obtained. Mr. Lister ^ took blood from the jugular vein of an ox in the following manner : — A large glass tube was fixed in the lai'ge oiifice of one of his double-necked flasks, the interval between the flask and the tube being filled with tightly-packed cottou wool. Over the outer end of this glass tube a cotton cap was applied, and there was a cotton cap as usual over the orifice of the spout. The fiask thus arranged was heated in the hot box. The jugidar vein of an ox having been exposed antiseptically, was divided, the cotton cap removed fi'om the end of the tube, and the end of the vein slipped over the orifice of the tube. Blood thus flowed through a pure tube into a pure flask. When enough had been obtained the vein was removed and a pure cotton cap immediately aj^plied in its stead. Before coagulation had occurred, various liqueur glasses, arranged as formerly described, wei'e charged from the large flask. Blood so obtained remained unaltered in the liqueur glasses and in the flask, though kejit for six weeks. Mr. Lister also found that not only blood, but blood and water — a much more putrescible mixture — remained unaltered. (The water was introduced into a large pure flask, and boiled so as to purify it. A portion of blood clot from one of the liqueur glasses was then spooned into the flask, careful precautions being taken against the entrance of living dust.) In some experiments, performed in a manner to be shortly ' Quarterly Journal of Micraisropiful Sriciicr, xi. J871. - Loc. cit, '■' Mirriixropical Jour mil, 1878. 1) 2 36 THE I'ARTICULATE THEORY OF FERMENTATION. described, I have found that blood, removed from the healthy living body and placed in calcined flasks or in flasks containing infusion of cucumber, maybe preserved for an indefinite length of time without alteration. Hence blood has no inherent tendency to undergo fermen- tative changes, nor can oxygen alone induce such alterations. III. — Urine. Healthy mine was first preserved without alteration by Van der Broeck. The flasks in which it was received were prepared in the manner before described. An animal (dog or sheep) was killed, the abdomen was immediately cut open, and the ureters and m-ethra having been rapidly tied, the bladder was removed and immersed in the mercury. A heated needle was then introduced, and the bladder was torn, the urine then ascending into the glass. This urine remained pure even after the addition of oxygen or filtered air. In the same paper in which Pastern- mentions that he has succeeded in preserving blood he states that he has also obtained pure urine. The method is described in his ' Etudes sui* la Biere.' The flask with its nozzle and stop-cock are prepared as in the case of the blood ; then the free extremity of the brass tube is introduced into the urethra. Urine being passed, the stop-cock is turned, and the urine flows into the flask. Urine thus obtained undergoes no fermentation. ' Elle depose des cristaux en petite quantite, mais sans se troubler ni se putrefier d'aucune facon.' In 1871 Mr. Lister succeeded in obtaining and preserving unboiled urine.' The method he employs is to wash the meatus urinarius and the glans penis with 1-40 carbolic lotion. A prepared flask is then taken, the cotton cap is removed, the glans immediately applied over the orifice, and urine passed into the flask. A fresh cotton cap is then applied. This urine may, like other fluids, be decanted into liqueur glasses. This experiment was apparently constantly successful, no alter- ation occurring in the urine in the flasks or in the glasses. ' Transactions nj the Itvijal Society of Edinhuryh, 1875. URINE: ROBERTS, CAZENEUVE AM> LI FOX. 37 I may here state that I have often repeated this experiment with the view of obtaining pm-e nnboiled urine for other experi- ments, and always with success. I have, however, used the spray, and have thus avoided the necessity of applying the glans penis to the orifice of the flask. The glans having been purified, urine is simply passed in a spray of carbolic acid into a pure flask. This urine passed through the air, but that air, having been acted on by carbolic acid, was inert. Dr. Roberts has also obtained similar results by passing urine into a pure test-tube, and afterwards charging tubes of the form previously described, by breaking oft the capillary end below, and letting the urine flow up. Of eight tubes so obtained, the urine remained unaltered in seven, while in one it putrefied. Cazeneuve and Livon ^ succeeded in preserving urine in the urinary bladder without the occurrence of any alteration in it. A ligature was placed around the prepuce of a dog for five hours, in order to have a considerable amount of urine in the bladder. An incision being made into the abdominal cavity at the end of that time, the ureters and the urethra were ligatured, and the bladder was cut out. The bladder was then suspended in the air at a temperatm-e of about 25° C. The wall of the bladder soon dries, and though liquid slowly transudes, that liquid evaporates immediately, and thus the bladder wall cannot putrefy. Urine may be kept thus for several days without undergoing any change, although if the bladder be opened it becomes ammoniacal in twenty-four hours. I shall return to these experiments at a later period. Thus healthy unboiled urine has no inherent tendency to putrefy, but follows the same law in this respect as boiled urine. IV.— Milk. In 1859 Hoppe-Seyler attempted to preserve milk pure in the following manner: — ^ A small funnel was carefully fastened over the teat of a goat. To the lower end cf this was fastened a piece of caoutchouc tubing, the ' Rcrue Menmclle, 1877, p. 733. ^ Vircliow's Archiv. xvii. (1859). 38 THE PARTICULATE THEORY OF FERMENTATION. other end of which was attached to a glass tube below. This glass tube passed down to the bottom of a glass test tube, the u])per vim of which was provided with a piece of caoutchouc tubing open above. None of the tubes were heated nor in any way purified. The milk was now withdrawn in a continuous stream, so as to flow for a long time over the edge of the caoutchouc tube till it was quite free from bubbles of air. The test tiibe was then lowered, and then, while the milk was still flowing, the caoutchouc tube was firmly tied around a thick glass rod. Milk obtained in this manner, and kept at the ordinary temperature, coagvdated in three days. Hoppe-Seyler therefore concluded that milk when shed contains a ferment. This experiment proves that oxygen is not necessary for the occurrence of fermentation in milk ; in other words, it is not the cause of such changes, and therefore, as the tubes were not purified, the cause must either be in the milk itself or be some- thing adhering to the tubes. As I have just stated, Hoppe- Seyler concluded that the cause was inherent in the milk. Which of these is the true agent is decided by the following experiments performed by Dr. Eoberts : — ^ * A glass tube was drawn out at each end to a narrow orifice. The lesser portion of this was tightly wrapped round with cotton wool and inserted as a plug into a large test tube containing water to the depth of one inch. A cap of cotton wool was also tied over the narrow orifice. The water in the test tube was then briskly boiled, and the boiling was continued almost to diyness. When the apparatus was cold I took it into the cowhouse, and seizing a teat, I pulled ofi" qvuckly the cotton- wool cap and pushed the narrow point into the duct of the teat. Holding it firmly in this position I milked into the test tube until sufiicient milk had been obtained. I then drew away the test tube from the little tulie, pressing in the cotton wool around it as I did so, until the latter was entirely withdrawn from the test tube. ' From the test tube I charged ten empty pure tubes ' (in the manner descril)ed under urine), 'and resealed their capillary orifices : of these ten tubes three remained unchanged, the milk remaining perfectly normal as regards taste, reaction, kc. The other tubes curdled or putrefied in ten days.' ' Loc. cit. MILK: LISTER, MY OWN EXPERIMENTS. 39 The method described here is imperfect, but the fact that three tubes remained unaltered absolutely demonstrates that the cause of the fermentation is nothing inherent in the milk itself, but something which it acquires after it leaves the body — that something being particulate, not gaseous. Mr. Lister ' describes several series of experiments performed with the same aim. In one of these he succeeded in preserving the milk unaltered. A numbei' of little tubes were covered with glass caps and shades, and purified in the usual manner. After a rainy day he washed the udder of a cow and the hands of the milkman with water. A wide glass tube connected with an elastic tube was then placed under the nipple (the glass tube had been heated and the elastic tube boiled). This -was filled with milk, and then each little tube in suc- cession had a small quantity mtroduced by relaxing the elastic tube. Of twenty-four tubes so prepared and charged two remained permanently pure. The results in the other tubes equally demon- strated that the cause of the fermentation of milk is not inherent in the milk, for the milk in each underwent a different change. These experiments will be more fully considered at a later period. While in the Shetland Islands in the summer of 1880 I performed a series of experiments, which consisted in obtaining the milk under the protection of a spray of carbolic acid. A number of flasks with cotton caps and long necks were heated before leaving London. The udder of the cow and the hands of the milkmaid being washed with carbolic lotion (1-20), the flasks were uncorked and filled with milk under the spray. In doing so the mouth of the flask was held as close as possible to the teat. The cow was restive and would not allow me to do the milking, and therefore the experiment was performed by the milkmaid. When the restiveness of the cow, the inex- perience of the milkmaid at antiseptic work, and the dark and draughty cowhouse are taken into account, it will not be sur- l)rising that the milk in a considerable number of the flasks f(;rmented; but nevertheless evidence was got, of tlio same kind as that obtained by Dr. Roberts and Mr. Lister, sufficient ' Micrusccjncal Jourmil, 1878. 40 THE PARriCULATE THEORY OF FERMENTATION. to disprove the existence of a ferment in the milk when with- drawn from the body. In order to transfer these flasks to London I had intended to draw ont and seal their necks, but I found this impossible, and therefore I soaked pieces of cork in carbolic lotion, inserted them into the mouth of the flask, and covered them with tar — a very inefficient method. During the voyage the milk was much shaken, and some of the corks proved inefficient, as shown by the leakage of the milk. The following are the experiments, with their results : — First Experiment. August 5, 1880. — The udder and teats of the cow and the hands of the milkmaid having been Avashed with 1-20 carbolic lotion, and a small spray being directed as well as possible over the part, eight purified long-necked flasks were filled with milk, the milk being drawn directly into each flask, which were held as near the teats as possible. Eash flask was re-covered with its cotton cap, and they were then placed in the upright position in a warm room. Augtist 8. — The milk in these flasks seems unaltered. There is a little cream on the top in each. August 10. — Ditto. August 24. — Four of the flasks have undergone change, the change varying in nature in each flask. The other four are perfectly fluid and present the appearance of pure milk. To-day the corks were inserted. Se2:)temher 21 (twenty-three days after the transport to London). — Only two flasks now remain pure, the other six having undergone alterations of various kinds. October 27. — Examined. The milk in two flasks is perfectly normal. The result of the first experiment was, that after nineteen days four of the milks had undergone alterations of various kinds, while four remained apparently pure. On October 27 — i.e. after two months and twenty-two days — two milks were still perfectly right, in spite of a sea voyage and great disturbance. MILK: MY OWN EXPERIMENTS. 41 Second Experiment. («) August 10. — Two flask?^ were filled after washing the udder of the cow and the milkmaid's hands with carbolic acid (1-20). No spray used. August 24. — The milk in one of these flasks has undergone altera- tions \ the milk in the other Ls perfectly pure. September 21. — Both milks have coagulated and are undergoing changes. (b) August 10. — After the spray employed in experiment (c) had been stopped, two flasks were filled without it. Augiist 24. — I am doubtful whether these are pure or not ; I think they are not. September 21. — Changes have occurred in both. (c) August 10. — Seven flasks were filled under the spray as usual. August 24. — Three of these milks have altered ; four are still apparently pure. September 21. — Three still remain apparently pure : four have undergone change. October 27. — Examined. Three still pure. On December 24 I opened one of these flasks, and found a slightly suety smell but a perfectly sweet taste, and the milk presented the appearance of normal milk. I examined it microscopically — no organisms. I have stained some specimens of this milk (Plate V. Fig. 33), and it will be seen that no organisms whatever are present, and this in unboiled milk kept for moi'e than five months. The result here is that three out of seven of the flasks filled under the sjjray have remained permanently pure, while all of those filled without the spray have ultimately undergone fermentative changes. Third Experiment. (a) August 1 6. — One flask filled without spray and without previous application of carbolic acid to the hands or teats. Aiigust 24. — This milk has coagulated. {b) Aiigust 16. — One flask filled without the spraj' and without washing the teats with carbolic acid. The hands of the milkmaid, were, however, purified. August 24. — This milk has undergone fermentation, having separated into two layere — the upper clear, the lower thick but not coagulated. 42 THE PARTICULATE THEORY OF FERMENTATION. (c) August 16. — Two flasks were filled without the spray, but after washing both the teats and the hands with carbolic lotion. AiKjust 24. — One of these is doubtful, the other apparently iin- altered. Septeiniber 21. — Fermentative changes are occurring in both. {d) August 16. — Six flasks filled under the spray as usual. Aug^ist 24. — All these are appai-ently unchanged. September 21. — Four have undergone some fermentative changes. One is doubtful. One is still pure. Thi-ee of the corks have not fitted perfectly. October 27. — Examined. One still pure. The whole result is, that of twenty-one flasks filled under the spray, six remained permanently unaltered, and that after having been exposed in a manner which sufficiently explained the occurrence of femientation in some of the others. Up till August 24th no less than fourteen of these milks had remained apparently unchanged, while similar specimens taken without any precautions had undergone alteration, I have still in my possession (June 1881) four of these six flasks, and the milk in these still remains perfectly pure and free from fermentative changes. From all the facts narrated I think it is absolutely certain that milk has no inherent tendency to undergo fermentation of any kind, and that the cause of the fermentation is not the gases of the air, but solid particles which the milk meets with after it is drawn from the cow. V. — Egg Albttmen. The difficulty experienced by Schroeder in preserving boiled white and yolk of eggs will be remembered. Van der Broeck introduced an egg into the merciuy ar- ranged as formerly described, broke the shell with a heated iron rod, stirred up the contents with a similar rod, and then allowed them to ascend into the glass. This egg albumen remained pure, even after subsequent addition of oxygen or of filtered air. Gay on ' found that some eggs may be preserved unaltered, while others undergo change. He supposes that in the latter ' C'onijjtvg Itendiix, Ixxvi. Ixxvii. EGG ALBUMEN: ROBERTS. 43 case the causes of putrefaction entered as the egg passed through the oviduct. Such an idea is, however, hardly tenable. Eoberts has shown by experiments similar to those pre- viously described that egg albumen has no inherent tendency to undergo fermentation. He proceeded in the following manner : — Eight sterilised tubes were prepared containing pure water. ' A fresh egg was fixed in a convenient support, and a small piece of the shell was chipped off, care being taken to leave the subjacent membrane uninjured ; then a sterilised bulb was taken, and the capillary portion immersed for a few seconds in boiling water, in order to destroy any adherent septic particles. The sealed end was then rapidly snipped off and the capillaiy portion plunged into the interior of the egg. About 2 gm. of the albumen were then sucked up by the mouth into the bulb. When this was accomplished the bulb was quickly withdrawn and its capil- lary end sealed in the flame.' Six of these eight tubes remained unaltered for seven months. Of a second series of seven tubes similarly charged and kept for two months, five remained unaltered. That is, of fifteen tubes filled, eleven remained pure. I may refer to an experiment which I did for another purpose, accepting as true the view that egg albumen had no inherent tendency to undergo fermentation, aud which proves the truth of that view. On July 7th, 1880, 1 took four purified beakers and four fresh eggs. These eggs were washed with carbolic lotion (1-20), and were then Ijroken, one into each lieaker, under the spray. One of these beakers was covered with its cotton cap, and placed in an incubator kept at the temperature of 98° F. On July 20th no change whatever had occurred. The other flasks were used at once for various experiments. Into one a special form of organism was introduced, and here only this one form of organism developed, with the production only of a special kind of fermentation. Hence egg albumen has no inherent tendency to undergo fermentative changes. 44 THE PAliriCULATE THEORY OF FERMENTATION. VI. — Vegetable Tissues. Dr. Eobei'ts' has also experimented on the solid tissues of the turnip, potato, orange, and tomato, with similar success. The following is his method for turnip : — ' A stei-ilised tube containing- water was nickecl with a file near the base of the capillary part, where the tube had a diameter of about two millimetres, A fresh oblong turnip was then fractui-ed aci-oss, and the tube, snipped off at the nicked jjoint, was quickly thrust into the substance of the turnip. A naiTow cylind-er of turnip about an inch long w'as thus foi-ced into the column of water in the tube. The tube was then detached, and its end sealed with melted sealing-wax.' Of 14 tubes thus chai-ged with turnip 10 were successful; 7 „ „ potatoes 4 „ 8 „ „ orange 8 „ 3 ,, ,, tomato 3 ,, Ferments which induce changes after death are therefore not present in living vegetable tissues. VII. — Animal Tissues. Some years ago experiments were made by Billroth ' and Tiegel^with the view of ascertaining whether the living tissues did or did not contain the causes of putrefaction. Having killed an animal, they opened its body rapidly, and removed with heated implements various portions of tissue such as liver, spleen, kidney, &c., and immediately dropped this into heated paraffin. They supposed that by this means any dust which fell on the tissue in its transit from the body to the flask would be destroyed by the hot paraffin, while this heat would not penetrate into and act on the interior of the tissue. At the same time the organs would be protected from air or dust by the paraffin. They found that many portions of the body preserved in this way, notably the liver and spleen, underwent putrefaction rapidly, and they therefore concluded that the causes of this putrefaction were present in the living blood and tissues. ' CuceohacteHa sejHica. * Virchow's ArcJiir. Ix. ANIMAL TISSUES: MY OWN EXPERIMENTS, 45 These experiments were repeated by Dr. Burdon-Sauderson, who obtained similar results and adopted the same views. If, however, we look at the method, we shall find several objections to it. Thus, heated paraffin must be looked on as dry heat ; it does not moisten solid particles in contact with it. Now it has been shown that dust, if kept dry, may be heated even to 300° F. without losing its power of causing fermenta- tion. Further, paraffin solidifies at about 136° F., or even lower, and therefore paraffin, merely at its melting point, is not likely to be hot enough to destroy all septic particles. Further, during the cooling of the paraffin heavy particles of dust may fall into it and sink on to the tissue. Then, also, on the sides and bottom of the vessel is coarser dust, which likewise may not be destroyed. But, again, paraffin is very apt to crack, and after cooling small cracks may occur which admit moistm-e and dust. To obviate this risk the paraffin has been covered with oil ; but even here the oil becomes laden with dust and passes down through the cracks. And, lastly, the knife, before dividing the tissue, compresses the vessels and forces the blood out of them, and thus, when these vessels are cut, air is sucked in, and this air carries its dust with it quite out of reach of the heat of the paraffin. In December 1877 I commenced a series of experiments on this subject, and these have been continued at intervals since that time. The first experiment was an imitation of those of Billroth and Tiegel (only it was performed antiseptically), and yielded conflicting results. Thus the liver and kidney putrefied, while the spleen, muscle, and mesentery remained unaltered. This being the case, I determined to abandon this method entirely, and to see if some definite conclusion might not be arrived at in some other way. The following is a description of the method I have employed : — A number of beakers, each provided with a cotton cap, were puri- fied by heat, somewhat after Mr. Lister's method, and into each vessel about one-fourth of its volume of pure turnip iut'usioii was introduced from one of the double-necked Masks (Fig 6, p. 1*J). This was done under the spray, and the cotton caps were then reapplied. These beakeis 40 THE rARTICULATE THEORY OF FERMENTATION. were placed in an incubator, and kept at a temperature of 98° F. for three or four days. At the end of that time the turnip infusion was clear and unaltered, and the flasks were therefore considered ready for use. On January 6tli, 1878, four beakers having been thus jirepared, and six beakers containing melted pai-affin being also at hand, a healthy rabbit was iised for the following experiment. The skin and hair of its abdomen having been thoroughly washed with 1-20 carbolic lotion, the animal was killed by a blow on the back of its neck, and the tibdominal cavity was rapidly opened, under a fine spray of carbolic acid, with purified and heated instruments. Portions of its organs and tissues were rapidly cut out and intro- duced into the beakers, which were opened in the spray. Into the four vessels containing the pure turnip infusion portions of liver, spleen, kidney, and muscle respectively were intro- duced, and the caps having been reapplied while the flasks were still in the spray, they were then placed in an incubator (see Fig. 14). Into the six flasks con- taining melted pai-affin por- tions of liver, kidney, spleen, muscle, mesentery, and vena cava, with its blood, were dropped also undei- the spray. The parafl[in was left to solidify, and the vessels were then placed in the incubator. All those portions of organs introduced into the turnip infusion remained ])ermanently puie and free from })utrefaction.' Of the paraffin beakers, two (muscle and vena cava) remained without change ; while the other four (liver, spleen, kidney, and mesentery) putrefied. In this experiment we have in the first case a series of ' On December 24, 1880, I killed a rabbit and preserved its organs in the way described here. Fig. :-54, Plate A^, is drawn from a specimen taken from the beaker containing the spleen, and stained. It will be seen that no organ- isms whatever arc present. ANIMAL TISSUES: MY OWN EXPERIMENTS. 47 beakers heated so as to destroy the activity of the dust adhering to them, and that this was effectually done was proved by the fact that the turnip infusion introduced into them underwent no change, although, as has been amply shown in the fore- going experiments, had ordinary unheated dust been jjresent, this infusion would have undergone fermentation. Further, the portions of the tissue are transferred from the body to the beaker without the possibility of acquiring living dust, for, as we have seen before, a spray of carbolic acid in an ordinary atmosphere is able to destroy the fermenting power of the dust. Such being the case, if the tissue, taken with all pre- cautions undergo putrefaction, it is possible that the causes of this fermentation were present in it while in the living body — the degi'ee of probability depending of course in great measure on the known skill of the experimenter. But if no change occm-s, it is proof positive that there were no causes of change present in the body. In other words, as these unboiled tissues remained unaltered, it is quite certain that they have no inhei'ent tendency to undergo fermentation even when freely exposed to air. I used the turnip infusion partly because I wished to know whether the beakers had been thoroughly purified, and partly in order to keep the tissues moist, for I had found in a former experiment that they dried too rapidly in the open-mouthed vessel if no fluid were present. Since that time I have used cucumber fluid, as being more putrescible. Further, by the use of tliese infusions the conditions favoui- ing fermentation are greater, for we have here a boiled highly putrescible infusion of turnip, and an unboiled, if possible still more putrescible, infusion of meat, as well as the meat itself. It wei'e hardly possible to provide more favourable conditions for fermentation. Nevertheless no change occurred. I may here point out the light thrown by these experiments on the cause of the want of success in the paraffln experiments. In the first attempt which I made with tlie paraffln any of the sup])osed causes of failure might have l)een in 0])erati()n, but in the experiment just narrat(;d the entrance of aii- laden will) septic dust into the blood-vessels is excluded because the opera- tion was done in a spray of carbolic acid. Therefore the failure in 48 THE rARTICULATE THEORY OF FERMENTATION. the four vessels must have been due to dust in the paraffin, or to cracking of this after solidification. But, it may be said, the absence of putrefaction in the beakers was due to the action of the carbolic acid on the tissue. This, however, is not the case, for the following reasons : — In a preliminary experiment I touched the outside of the flask (which was of course covered with impure dust) with one of the portions of the tissue, and afterwards introduced this piece into the flask, and in it putrefaction occurred rapidly. Again, the fact that four paraffin flasks went wrong (the organs being there also subjected to the action of the spray) shows that this had no influence. Again, when the gall-bladder is wounded fermentation often occurs. This latter fact is illus- trated by the following experiment : — A medium-sized rabbit was killed by a blow on the nape of the neck. The abdomen bad been washed beforeliand with 1-20 carbolic acid lotion, and was now rapidly opened under the spray. Into seven beakers containing pure cucumber infusion, two pieces of liver, one piece of kidney, one piece of spleen, one of muscle, and one of mesentery were introduced. In cutting out the liver the gall-bladder was injured. Four weeks later, five beakers were unaltered, the two which had fermented being those containing the pieces of liver, which indeed had undergone fermentation within twenty-four hours. I have since met with sevei-al similar instances. Further, if putrid matter be injected into the jugular vein of the animal a few minutes before death, all the tissues re- moved and preserved in the manner described undergo putre- faction. I have repeated these experiments many times with like results,' and I therefore conclude that the tissues of the healthy ' On two occasions I have found that the apparently healthy living tissues, preserved by the method before described, underwent fermentation and organisms developed in them. In one case the kidney alone of all the organs taken, and in another both kidney and liver, miderwent fermentation with development of organisms, and as I was very careful in performing the expe- riments, I do not think that this could have occurred from any error in experi- mentation, and therefore I conclude that the causes of fermentation (micro- organisms, as we shall afterwards see) were present in the healthy circulating GENERAL CONCLUSIONS. 49 living body, like the fluids, contain no ferment capable of causing putrefaction after death, and remain pure in flasks so long as the dust of the atmosphere is excluded. (In some instances the heart with its contained blood was also removed, and remained, like the other tissues, unaltered. Rabbits and cats were the animals used for the experiments.) Somewhat similar experiments Avere published in 1878 by Chiene and Ewart, and they yielded similar results.' Quite recently,^ Rosenbach mentioned experiments on this subject performed by Meissner. Meissner was able to preserve the internal organs of cats and rabbits in contact with boiled water and pure air, for two to three years, without the occur- rence of any putrefactive change. He was also successful in preserving the blood of mammalia, human urine, and g'oat's milk. The experiments were done with strict aseptic j^recau- tions, and led him to conclusions similar to the above. Such, then, are the chief facts at present known with regard to boiled and unboiled fluids and tissues. We shall add much to them, and to the support which they give to the views here expressed, when we come to consider more minutely what is the nature of the particles which cause putrefaction. On reviewing the mass of evidence before us we have it dis- tinctly shown that boiled fluids and tissues have no inherent tendency to undergo fermentative changes ; that oxygen, whether pure, nascent, or mixed with nitrogen in the proportions present in air, cannot cause fermentation, if only the air be previously passed through such a liquid as sulphuric acid, be heated strongly, be Altered through cotton wool, be made to enter very slowly into the flask containing the fluid or allowed to deposit its dust by gravitation, or be previously acted on by carbolic acid. blfiod. That an orgniiif^jn may be present in an active state in tlic circulating blood need not be a matter of surprise, and need not therefore lead us to the conclusion that they are always or even generally there, especially as one single organism would be sufficient to account for the result in each of these instances. It is indeed surjirising that organisms which must now and then enter the blood arc so rapidly and surely destroyed. ' Journal of Aiuitonnj and I'Jn/Riolofjy. ■ Uvidschc ZcitH'-hrift fiir C/nrurf/ie, xiii. .'544. E 50 THE PARTICULATE THEORY OF FERMENTATION. Thus the material in the air which causes putrefaction is not a gas, for that would be continuous, and would not be re- movable by filtration or by rest ; but it is something discon- tinuous, something heavier than air, something particulate. These particles may be deprived of their power of causing fermentation by the action of chemical substances, such as sulphm'ic and carbolic acids, and also by being subjected to a high temperatm'e. As they are completely destroyed by heat (as shown by Tyndall), they are probably of an organic nature. And it is not that by boiling these fluids an inherent tendency to ferment has been destroyed, for, as we have seen, they possess no such inherent tendency. For not only do unboiled fluids and tissues outside the body fail to putrefy when protected carefully from dust — they also undergo no change, as indeed necessarily follows from the foregoing, when confined in natural or artificial cavities in the living body. Who is not acquainted with the behaviour of blood when ex- travasated into the tissues or cavities of the living body so long as it is not exposed to the outer world ? We all know what a large amount of effused blood may be present about the ends of a fractured bone without decomposition occurring in it, and the same is the case in the hemorrhages into joints in hemophilia, hemorrhages within the skull, &c. And we also know what frequently happens if we cut into any of these extravasations and admit dust-laden air into them. The blood which we found odourless, and it may be clotted, may become in a few hours a foul- smelling liquid ; it has, in fact, putrefied, just as it may do when kept in a flask without exclusion of dust. And just as in the case of blood, so with other fluids. Hy- drocele and serous effusions remain unaltered so long as they are kept from the dust. Examine the pus from a chronic abscess, and even though that abscess be connected with carious bone, it will be found to be odourless and bland, and if carefully received into pure flasks, will, just as in the case of blood, remain odourless and apparently unchanged for an indefinite length of time. (I shall give later on the explanation of the cases where the pus of acute abscesses, when let out, is found to have a foul smell, as is sometimes the case in acute necrosis.) CONCLUSIONS. 51 And not only is this the case with fluids, it is also the case with tissues in the living body. In a fractm-e many portions of the tissue are cut off from their vascular supply, or killed by the violence causing the injury, and yet they do not decompose ; they are not separated as sloughs — they disappear by absorption. Yet if the same injury be not subcutaneous and the injured parts be exposed to ordinary air, they putrefy, and come away in a few days as sloughs. So in infarcts in internal organs, the tissue in the region of the infarct dies, but does not putrefy — does not slough ; while when death of the integuments occurs, putrefaction and slough- ing follow, for here the dead tissue is exposed to the dust of the atmosphere. Similarly, in the case of wounds, when a piece of skin is cut away and an open sore is left, the blood and serum which col- lect in that sore ferment, in all probability putrefy, because the air admitted to them was not heated air, not filtered air, was air which had not been acted on by suitable chemical sub- stances. The causes of fermentation are therefore solid particles, pro- bably of an organic nature, which are present in varying quan- tities in the surrounding air, and which are deposited as dust on all surrounding objects. It is thus evident that in order to prevent putrefaction it is only necessary to prevent the access of these particles, or, if this cannot be done, to destroy their fermenting power in some way or other before they reach the wounds — as, for instance, by the use of carbolic acid. It is on this principle that Aseptic Su7'gery,^- as introduced by Mr. Lister, is based. ' The term ' aseptic ' is the best to indicate this form of antiseptic surgery, because, as we siiall see, there are many different forms of treatment which come under the term 'antiseptic,' while this is the only one which can truly bear the name 'aseptic' In other words, there are many methods by which the occurrence of putrefaction is more or less interfered with, but they all act on a more or less imperfect principle, with the exception of that introduced by Mr. Lister, which, founded on a true principle, attains the ideal of results — viz. a complete absence of putrefaclion— an asepsis. His methcd, then, is best designated by the term expressing its result — Aseptic. E 2 52 ASEPTIC SURGERY— MATERIALS EMPLOYED. CHAPTER in. ASEPTIC SURGERY MATERIALS EMrLOYED. Problems to be solved in order to keep a wound aseptic : Carbolic acid — CarhoUc lotions — Pure carholic acid — SoUttioitin metliylated sjnrit — carbolic oil — Carbolic acid and glycerine: Sj^ray producers: Catgut — Carholiscd catf/ut — Mr. Lister's carholiscd chromic catgut — Dr. MacEwen's chromic catgut— Ca-tguttrough and pocltet caxe: Carbolised silk : Protective: Carbolic gauze — Composition — 3Iethod of preparation — Von Bruns'' gauze: Mac- intosh : Sponges : Boracic acid — Boracic lotion — Boracic lint — Boracic ointm-ent: Salicylic a-cid— Salicylic acid cream — Salicylic ointment : Chlo- ride of zinc : Iodoform : Carbolised cotton wool. Aseptic surgery is based on the piinciple first enunciated by Mr. Lister, and indicated in the preceding pages ; viz. the exclusion of active ferments from the discharges of wounds. Theoretically, this is the ideal form of antiseptic surgery, for here, supposing that the attempt is successful, the causes of putrefaction do not enter the wound in a state capable of pro- ducing fermentation, and therefore decomposition of the dis- charges, or of dead portions of tissue, &c., cannot 2:)0ssibly occur. The problem which Mr. Lister sought to solve may be shortly stated as follows : — On all objects in the external world septic dust is present — on the skin of the patient, on the hands of the surgeon and his assistants, on all instruments, in water, in the air, &c. ; and when a wound is made any introduction of this dust must be carefidly avoided. Then after the wound has been made, care must be taken to prevent its entrance during the after-treatment. Some sort of dressing must be provided which shall prevent its passage in an active state, and at each change of this dressing the problem is the same as at the time of infliction of the wound. Such being the question CARBOLIC ACID. 63 at issue, I must now proceed to the modes in which it has been answered. I shall first enumerate the substances employed in aseptic surgery. Carbolic Acid is the antiseptic employed to destroy the particles in the air and on surrounding objects which give rise to putrefaction. It is obtained in the solid state and of ex- treme purity from Bowdler and Bickerdike, Church, Lancashire, who give it the name of Absolute Phenol. It is used in various forms. The Cai'bolic Lotions used are of two strengths — 1 in 20 and 1 in 40 ; one part of crystallised carbolic acid dissolved in 20 or 40 parts of water respectively. The solution is kept in a stoppered bottle in order to avoid evaporation of the acid. It ought to be quite clear ; when it is not so, and more especially when globules of oily matter are present, it is impure, the oily particles consisting of cresylic acid. It is a mistake to add alcohol or glycerine to aid the solubility of the acid, because these substances hold the acid more tenaciously than water, and it is thus not so potent for producing an instantaneous effect. Undiluted Liquid Carbolic Acid may in some cases be required. This is obtained by liquefying the crystals by the addition of a few drops of water. This is chiefly used for injecting naevi, varicose veins, vtc. A solution of carbolic acid in methylated spirit or in recti- fied spii-it, in the proportion of 1-5, is used for the purpose of purifying wounds inflicted some twenty-four or thirty-six hours before coming under treatment. Carbolic Oil is employed in various proportions, generally 1 in 5, 1 in 10, and 1 in 20, consisting of carbolic acid mixed with olive oil in the foregoing proportions. Carbolic oil 1-5 is but rarely used, tliough it is occasionally applied as a dressing to foul wounds, for the purpose of purify- ing them. It is chiefly known as the solution in which catgut is permanently preserved. Carbolic oil 1-10 is used as a dressing for wounds in the neighbourhood of the anus, penis, &c. Carbolic oil 1-20 is used for oiling catheters or other in- 64 ASEPTIC SUROERY^MATERIALS EMPLOYED. struments before introducing them into tlie bladder. Carbolic acid of this strength does not seem to be too irritating for the Fig. 15.— Hand spray producer. mucous membrane of the urethra, while it apparently secures against the introduction into the bladder of matters which are capable of causing putrefaction. There are various objections to these oily dressings. The chief are, that the carbolic acid is very rapidly washed out by the dis- charge, and that they are very dirty, and soon spoil india-rubber tissues. The latter disadvantage is got rid of by the use of carbolic acid and glycerine in the proportions of 1-5 and 1-10. This is now employed as a dressing in the cir- cumstances in which the oil has been generally used. A sjjray of carbolic acid is generally employed in order to purify the atmosphere. This is obtained by driving a rapid Fig. 16.— The ordinary steam spray producer. CARBOLIC ACID SPRAY. 55 current of air or steam through a horizontal tube so as to pass over the orifice of a more or less vertical one. In this way a vacuum is produced in the vertical tube, and the fluid at its lower end rises, and is expelled from the orifice in the form of spray. We have two forms of spray : one in which air is Fig. 17, Steam spray producer, showing the lamp at present IN USE. It consists of a small flamo, which plays on a plate of metal attached to a hollow central tiibe containing a wick, and perforated by holes at the top. The heat is communicated to tlie wick —the spirit volatilises, and Inirns as it escapes from the top of the tube. The hole in the plate allows the flame of tlje snjall wick to pass up and li^■ht the spirit vapour, which jiasscs out through the holes at the top of the central tube. The cap, which is jjlacfd over the lamp when not in use, and the boiler and vessel for the carbolic acid, are indicated by dotted lines. driven over the vertical tube — hand or foot sprays ; and the other in which steam is employed — steam sprays. The hand or foot sprays produce a somewhat coarse spray, and the force required is such as soon to exhaust the individual employed. They are therefore very uncertain implements, and have now entirely given place to the steam spray.-;, where there is a steady current as long as the water in the boiler lasts. When the hand s])rays are emi)loypd 1-40 solution is placed in the bottle. 50 ASEPTIC SURGERY— MATERIALS EMPLOYED. In the steam spray the 1-20 solution is used because the steam, mixing with the solution, reduces its strength to 1-30 or 1-35. I need not describe here the steam spray apparatus, more especially as it can be easily obtained, of Mr. Lister's pattern, from David Marr, 27 Little Queen Street, Holborn. These sprays consist of the following parts : — A boiler which contains water, and which is heated by a spirit lamp placed beneath it. The steam issues through a tube placed at an angle to another more upright one, through which the carbolic acid lotion 1-20, which is placed in the glass retort, is sucked up. This 1-20 lotion, mixing with the steam, makes a solution of 1-30 to 1-35. The carbolic acid solution passes through a sponge at the bottom of the upright tube, which filters it, and thus prevents the minute orifice of the tube from be- coming choked up by coarse particles. These sprays are of various sizes, and the largest ones have two nozzles, which may be vised singly, or to- gether where the field of operation is large as in ovariotomy. The catgut used for tying the vessels is prepared in the following manner : — Ordinary catgut as obtained from the shops, when introduced into blood-serum, soon swells up and becomes weak. At the same time it is very slippery, and a knot will not hold ; and when placed in the tissues it very rapidly becomes absorbed. With the view of obviating these defects it is prepared by placing it in a solution of carbolic acid in oil (1-5) with a very small quantity of Avater (10 per cent.) diffused through the oil. As the water ultimately falls to the bottom, a few pebbles are placed on the bottom of the vessel, on which the catgut rests. It does not then come in contact with the water. As a result of keeping it in this solution, the catgut first becomes supple and soft, but afterwards harder and firmer, and is then al)le to resist the action of the fluids and Fig. 18.— Large steam spray riio- DUCER WITH DOUBLE NOZ/LE FOR OVARIOTOMY, ETC, CATGUT. 67 tissues for a considerable time. It is kept in this fluid for six or eight months, and is then transferred to the ordinary 1-5 oily solution. The longer it is kept in this solution the better it becomes. The rationale of this method will be found in ^Mr. Lister's paper in the ' Lancet ' of Feb. 5, 1881. Quite recently ^ jNL-. Lister has published a new method of pre- paring catgut, by means of which a stronger article is obtained, and one not absorbed nearly so soon as the old kind. It also possesses an advantage over the old kind, in that it disappears by erosion of the surface, and does not become infiltrated with cells, as is the case with the ordinary forms. It thus remains as a firm constricting band, till it is completely replaced by new tissue. I cannot do better than quote JVIr. Lister's description of the method by which this gut is prepared : ' I dissolve one part of chromic acid in 4,000 parts of distilled water, and add to the solution 200 parts of pure carbolic acid, or absolute phenol. In other words, I use a 1-20 watery solution of carbolic acid — only that the carbolic acid is dissolved, not in pure water, but in an exceedingly dilute solution of chromic acid. But, minute as is the quantity of the chromic acid, it exerts, when in conjunction with carbolic acid, a most power- ful effect upon the gut. The first effect of the addition of the carbolic acid to the chromic solution is to change its pale yellow to a rich golden tint. But if the liquid is allowed to stand without the introduction of the catgut, it changes in the course of a few hours to a dingy reddish-brown, in consequence of some mutual reaction of the two acids ; and a considerable amount of reddish grey j)recipitate is formed. If, however, catgut about equal in weight to the carbolic acid is added as soon as the ingredients are mixed, the liquid retains its bright- ness, and the only change observed is the gradual diminution of the depth of the yellow colour; the precipitate, which I pre- sume still occurs, taking place into the substance of the catgut. As soon, therefore, as the preparing liquid has been made, cat- gut equal in weight to the phenol is introduced into it. If you have too large a ]»roportion of catgut, it will-not be suffi- ciently ])repared; if you have too small a (juantity, it may run the risk of being over-prepared. At the end of forty-eiglit ' Lancet, Feb. 5, 1881. 58 ASEPTIC SURGERY— MATERIALS EMPLOYED. hours the chromic element of the liquid has nearly spent itself, and precipitation is complete. The catgut is then taken out of the solution and dried, and when dry placed in 1-5 carbolic oil : it is then fit for use. . . . The preparing liquid causes a certain amount of softening of the catgut, and if it is intro- duced in loose hanks, this will tend to produce a little uncoil- ing of the twisted cord, and a still greater degree of uncoiling will take place during drying. It is of very great importance that this should not occur, because it involves weakening of the thread, and that in different degi'ees in different parts ; and this may lead to the gut giving way when you subject it to a strain. The catgut then should be prepared on the stretch, both when it is put to soak and when it is put to dry. ' I need not enter into the mode in which this can be done by the manufacturer. I may only say this, that the surgeon who wishes to prepare it himself may do it in different ways. For instance, he may take two large test-tubes, one a little larger than the other, and he may wind the catgut on the smaller tube, fixing one end by sealing-wax, winding it round, and then bringing it up again, and fixing the other end with sealing-wax at a higher level than the liquid will reach, putting sufficient liquid into the larger test-tube, and introducing the smaller test-tube with the catgut wound round it, with a little shot to keep it down in the liquid. After forty-eight hours, he takes out the smaller test-tube, and leaves it till the catgut is completely dry. I merely mention this as an illustration, and also as furnishing a hint to some surgeons in private practice who may desire to prepare the catgut themselves ; or a couple of gallipots, one larger than the other, will do just as well. But, as I have said, the principal uncoiling takes place during drying ; and for all ordinary purposes a sufficiently good article is got by putting the catgut loose into the liquid, and making it dry on the stretch by tying the ends of each hank to two fixed points in a room.' Erosion of this catgut does not begin till about a fortnight after its introduction into the tissues. Dr. MacEwen has lately brought forward a somewhat different method of preparing catgut.' ' These ligatures are prepared by making, first, a watery solution of cliromic acid, one ' Britisli Medical Journal, Jan. 2'.), 1881. CATGUT. 59 to five ; then one part of this solution is added to twenty of glycerine. This forms a dark greenish compound, in which the hanks of catgut are inserted and retained for seven or eight months, the bottle containing them being occasionally shaken. At the end of this time the catgut acquires a semi-translucency, and has a dark colour like preserved ginger. It is then ready Fig. 19. — Trough for catgut. for use, and is stored in a solution of carbolic acid and glycerine (one to ten).' Ligatures so prepared begin to soften on an average about the fourteenth day, and are more or less com- pletely absorbed the twentieth day. A very convenient method of keeping catgut for use in hospital is to wind it round reels, say three, each holding a different thickness of gut, which are suspended in a vessel X._^ V ^ ^ ^' -^^^^ Fig. 20. — Lister's pocket catgut holder. A, HoMcr complete. B, The reel on which the catgiit is wound. containing carbolic oil 1-5 (see Fig. 19). The lid of the box is perforated with holes through which the ends of the catgut pass. In this way the gut may be taken directly from the oily solution without any trouble. In order to have a supply of gut always at hand, jNIr. T.,ister has devised the catgut holder shown in the accompanying figure (P^'ig. 20). The gut is wound on a reel which is carried in a German silver case. There is no necessity to fill tin's case with 60 ASEPTIC SURGERY— MATERIALS EMPLOYED. carbolic oil, as is done by some surgeons. Sometimes the case is combined with a caustic holder at the other end. Carbolised Silk is often used for sutures, and is prepared as follows : — Nine parts of beeswax and one part of carbolic acid are melted together. Silk thread of various sizes is steeped for some minutes in this mixture, till it is thoroughly impreg- nated with it. As the thread is taken out, it is drawn through a cloth in order to remove the superfluous wax. The wax holds the carbolic acid, makes the thread more useful, and fills up to some extent its interstices, thus preventing it from becoming soaked with fluids. The carbolised silk thus prepared is kept permanently in stoppered bottles, or wrapped in carbolic gauze. It must- not be steeped for any length of time in the lotion before being used, because the threads become opened out. If the thread be properly kept, the interior is aseptic or even anti- septic, and passing the thread through the fingers moistened with carbolic lotion, or a momentary immersion in 1-20 car- bolic solution, is sufficient to destroy any septic dust adhering to its exterior. In order to protect healing wounds from the irritation of carbolic acid a special material is employed termed the Protec- tive. This consists of oiled silk coated with copal varnish. When this is dry a mixture of one part of dextrine, two parts of powdered starch, and sixteen parts of cold watery solution of carbolic acid (1-20) is brushed over the surface. The rationale of this method of preparation is the following : — Oiled silk alone is better for the purpose of a protective than gutta-percha tissue, because carbolic acid does not so readily pass through it. It does, however, do so, and therefore copal varnish, which is almost absolutely impermeable to carbolic acid, is added. As, however, the fluid collects on this as on a duck's back, leaving intervals between each drop on which dust may fall and escape the action of the acid, the dextrine solution is added, and the result is, that when moistened the whole surface of the protec- tive remains imiformly wet. The use of the carbolic acid in the dextrine solution is not to add any carbolic acid to the pro- tective, but because it is better than water for enabling the dextrine to adhere to the varnished oiled silk. For the same reason the ])owdered starch is added. The original carbolic CARBOLIC GAUZE. 61 acid flies off very quickly from the protective, leaving a material containing no antiseptic in its substance. Garholic Gauze is the material generally employed as a dressing to guard against the entrance of causes of fermentation into a wound after an operation. The gauze used is ordinary fine unbleached tarlatan washed and dried. There are various methods of impregnating this gauze with carbolic acid. I will give Mr. Lister's description of a simple method, w^hich can be used in any hospital, and which was recently employed during the Russo-Turkish war for making fresh gauze in camps. ^ The mixture employed for charging the gauze was originally one part of carbolic acid, five parts of resin, and seven parts of paraffin. Lately the formula has been changed to one part of crystallised carbolic acid, four parts of common resin, and four parts of paraffin. These materials, mixed together, are added to an equal weight of unprepared gauze. ' In order to charge the gauze, the paraffin and resin are first melted together in a w^ater bath, after which the acid is added, and blended by stirring. The object now is to diffuse this melted mixture equally through the cotton cloth, and for this purpose two things are requisite, viz. that the cotton be at a higher tem})erature than the melting point of the mixture, and that it be subjected to moderate pressure after receiving it. The cotton cloth, a yard wide, is cut into six-yard lengths, and these having l^een folded so as to be half a yard square, are placed in a dry hot chamber, formed of two tin boxes placed one within the other, with an interval to receive water, which is kept boiling by fire or gas beneath, the upper edges of the boxes being connected and provided with an exit pipe for the steam. There is also a glass tube arranged as a gauge of the amount of the water, and the chamber has a properly fitting lid The bottom of the chamber is strengthened with an iron plate, to enable it to bear the weight used for compressing the gauze when charged. There is a piece of wood about two inches thick nearly fitting the chamber, covered with sheet lead, so as to make it about as heavy as a man can lift by means of two handles in the upper fjurface. The weight is lieatcd along with the cotton, and is puf, ^rst into the cl;:imber so as to leave ' See Lancet, Marcli 13, 1875. (i2 ASEPTIC SURGERY— MATERIALS EMPLOYED. the cotton loose for the penetration of the heat, which occupies two or three hours. The cotton when heated is taken out of the chamber along with the weight, and placed in a wooden box to protect it from the cold. (It would be better to have a second hot chamber for this purpose, since in cold weather the cotton is apt to be too much cooled in spite of the protection of the wooden box.) The heated gauze is then at once charged with the melted mixture of carbolic acid, resin, and paraffin, in quantity equal to the weight of the cotton fabric (or slightly less), and in order to diffuse the liquid as equally as possible, it is sprinkled over the gauze by means of a syringe, with a number of minute perforations in its extremity, the body of the syringe and the piston-rod having each a wooden handle to pro- tect the hands of the workman from the heat. The syringe is constructed to hold half the quantity of the mixture required for charging one piece of cloth. One folded piece being placed at the bottom of the hot chamber, its upper half is raised and turned aside, and one syringeful is sprinkled over the lower half. The upper half is then put back into position, and another syringeful thrown on. The same process is repeated with all the other pieces of gauze, after which the weight is put into the chamber to compress the charged cotton, and the lid applied. An hour or two are then allowed to elapse, to permit the com- plete diffusion of the liquid, when the material is fit for use. The apparatus above described can be made by a common tin- man for about lOL' Fig. 21 shows the apparatus employed in the Griasgow Infirmary. • As the muslin is the dearest item in the gauze Mr. Lister has suggested that the dressings should be washed and the gauze recharged. The larger dressings are therefore kept and sent back to the manufacturer, who washes and recharges them. This recharged gauze can then be used as loose gauze in future dressings. In this gauze the carbolic acid is the only active agent ; the resin is used to hold the acid — i.e. to prevent it from being washed out too soon by the discharge — while the paraffin is employed to lessen the adhesiveness of the resin. The gauze ' See ' Practical Papers on the JIaterials of the Antiseptic Method of Treatment.' I'y George lieatson. Glastjow Medical Journal, March 1880. CARBOLIC GAUZE. 63 ought to be kept in a tin box, closing tightly to prevent evaporation of the carbolic acid. It is used either in the form of loose gauze or folded dressings and bandages. A great many different ways of preparing gauze have been published, but none are so good as that just described. Von Bruns has lately recommended a gauze containing castor-oil instead of paraffin. His formula is — Carbolic, acid Resin Castoi--oil Spirit 1 part 4 parts 8 „ 20 „ Fig. 21. — Machine used in the Glasgow royal infikjiary for manufacturing gauze. A is tlie receptacle for the antiseptic mLxture of carbolic acid, resin, and paraffin ; E is the tin case in whicli the muslin is heated, impregnated with the mixture, and submitted to pressure. IJ is a pipe whicli conveys steam for heating the apparatus, and E E are stopcocks for turning on or shutting off the steam in connection with either A or B. (From Dr. Beatson's ' Practical Papers on Antiseptic Surgery.') The resin is first dissolved in the spirit, then the carbolic acid and castor-oil are added. The gauze is simply soaked in this, and then hung up to allow the spirit to evaporate. The objection to this gauze is that the castor-oil interferes with the affinity of resin for carbolic acid, and thus the carbolic acid will be sooner washed out, «ind the gauze thereby rendered less trustworthy. In order to prevent the discharge from soaking directly through the dressing macintosh cloth is used. This is cotton cloth with a thin layer of india-rubber spread on one 64 ASEPTIC SURGERY—MATERIALS EMRLOYED. side. It is placed outside the gauze dressing. As a rule one layer of the gauze comes outside it, partly in order to keep it in position, and partly also, in case any hole should exist in the macintosh, to have a little antiseptic material outside. Care is taken that the side on which the india-rubber is spread goes next the wound, for if the other side be placed inwards it absorbs discharge, and, not being itself antiseptic, it becomes in reality a piece of impure cotton in the interior of the dressing, and may thus communicate putrefaction inwards. The macin- tosh itself also gets spoilt when so used. The dressing con- sists of a piece of gauze of sufficient size folded in eight layers, beneath the outer layer of which the mackintosh cloth is placed. Sponges are washed after an operation, and are then kept soaking till required in a jar containing carbolic acid 1-20. During an operation they are washed in 1-40 carbolic acid lotion. These sponges often become filled with fibrin, and thus rendered more or less useless. It is very difficult to remove this fibrin by washing. Mr. Lister, therefore, after an operation places the sponges in a tank containing water. Putrefaction of the fibrin occurs, and after some days the sponges can be easily cleansed. They are then placed till required in the 1—20 carbolic solution. When the wound becomes quite superficial, various prepar- ations of BoKACic Acid may be employed with advantage. Boracic lotion is a cold saturated solution of boracic acid (BgOgSHgO) in water. This acid is soluble in 25 to 30 parts of cold water, and in very much larger proportion when the water is boiling. It is convenient to tinge this solution with litmus in order to distinguish it from the carbolic lotions. Boracic lint is ordinary surgical lint soaked in a hot saturated solution of boracic acid and then hung up to dry. About half its weight consists of crystals of the acid. This is also stained with litmus. Boracic ointment is employed in certain cases. Two strengths are commonly used, called full strength and half strength ; the former being applied to wounds where cavities exist, the latter to superficial wounds which one wishes to heal SALICYLIC ACID. 65 rapidly. The following is the original formula for the full strength ointment : — Boracic acid crystals ..... 1 part White wax ....... 1 „ Paraffin ........ 2 parts Almond-oil ....... 2- „ First mix the wax and paraffin by heating them together, then add the oil ; mix the crystals with this in a warm mortar, and continue the process of mixing till the liquid solidifies. Spread on thin cotton cloth. The half strength contains half the quantity of boracic acid. A much softer and more manageable boracic ointment is now made with vaseline. The following is the best formula : — Make a basis of 2 parts of paraffin to 1 part of vaseline. Take of this o parts „ boracic acid, 1 part. Mix. Salicylic acid cr'eam is used for applying around a wound when a dressing is to be left on for some days. It prevents irritation by the discharge. It formerly consisted of salicylic acid crystals mixed with 1-20 carboh'c acid lotion in sufficient quantity to form a creamy fluid. This is apt to separate into two layers, and therefore it is better to make a cream by mixing salicylic acid with glycerine so as to form a paste. This latter cream remains of uniform consistence, and is easily applied. For this purpose Mr. Lister uses glycerine and carbolic acid 1-10. The' formula for salicylic oinhnent is — Of the same l^ase as is used for boracic acid . 29 parts Salicylic acid ....... 1 part. For the purpose of purifying sinuses, putrid ulcers, &c., a solution of chloride of zinc is used of the strength of 40 grs. to the oz. of water. This is either apjdied on lint to the whole surface of a wound, or it is injected by means of a syringe and catheter into all the deep parts of the wound, care being taken to provide free exit for the fluid injected. If the exit of the solution is obstructed, it may pass into the tissues and cause gangrene. lodofoivi is now applied to the surface of ulcers, and F 66 ASEPTIC SURGERY— MATERIALS EMPLOYED. answers the same purpose as the chloride of zinc solution, while it causes no pain. Carholised cotton ivool is used in some cases of gangrene. It is obtained by soaking pure cotton wool in a 1 per cent, solution of carbolic acid in ether. The cotton is then dried and used immediately. DESCRIPTION OF AN ASEPTIC OPERATION. CHAPTER IV. ASEPTIC SURGERY (continvcd). Example of an aseptic operation : Purification of the skin — Fingers — Instru- ments : Spray — Precautions — Probable errors, and mode of remedying them : Guard : Ligature of arteries : Drainage of wounds — India-rubber tubes — Catgut drains — Horse hair — Decalcified bone tubes (Neuber's and MacEwen's) : Sutures ; Button stitches — Stitches of relaxation — Stitches of coaptation — Aseptic strapping — Protective : Deep dressing : Loose gauze : Gauze dressing : Elastic bandage. Changing the dressings — Time— Method. Treatment op ulcers : Purification of the sore : Boracic dressing : Boracic and salicylic ointment : Boracic poultice. Having described the materials employed in aseptic sm-gery, we must now consider how they may best be employed. Take as an example of an operation the removal of a fatty tumonr. The patient having been brought under the influence of chloroform or other amesthetic, the skin over the tumour, and for some distance in the vicinity, is thoroughly pmified from any active dust by washing it well with a solution of carbolic acid 1-20. The surgeon and his assistants also wash their hands in 1-40 carbolic lotion, while the instruments are put to soak in 1-20. A towel is arranged close to the tumour, gene- rally on the part of the table between the operator and the patient, which towel has been well soaked in 1-20 carbolic lotion, and is meant as an antiseptic basis on which instruments may be laid during the course of the operation without any fear of their contamination. This towel is so arranged as to be within the cloud of spray. A spray being now made to play over the i)art from a convenient distance, the surgeon makes his incisions, removes the tumour, ties the vessels with catgut, introduces a suitable drain, stitches up the wound, and a])i)lies a piece of protective but little larger than the wound — the pro- tective being of course dipped in the 1-40 carbolic solution. p2 68 ASEFTIC SURGERY. Outside this is applied a piece of wet gauze, consisting of several layers of loose gauze which has been soaking for some time in the 1-40 carbolic solution. This wet gauze and pro- tective are called the deep dressing. The wet gauze must overlap the protective in all directions. Then any remaining hollow is filled up with loose gauze, and outside the whole a gauze dressing is fixed. This dressing consists of a piece of carbolic gauze of suitable size, folded in eight layers, and having the macintosh placed beneath the outermost layer, with the india-rubber side inwards. The dressing is fixed by means of a bandage, and when this is accomplished the spray may be stopped. Then around the edge of the dressing an elastic bandage is applied so as to keep the edge constantly in contact with the body, and to allow no interval to occur between the dressing and the skin during the movements of the patient. The elastic is carefully fixed to the edge of the dressing by means of safety pins. In the after progress of the case the dressing is changed according to the amount of discharge, though in no instance is it left longer than eight days. Such is, very briefly, a sketch of the ordinary method of performing operations aseptically. I shall now consider each step in detail, and point out the most frequent sources of failure in carrying out the method ; for it must always be borne in mind that the whole operation, as far as regards the avoidance of putrefaction, requires as much care as if it were an experiment performed in a laboratory on putrescible fluid con- tained in glass vessels. The first thing, then, is to purify the skin in the neigh- bourhood of the seat of operation. This is necessary, because the skin is covered with dust. The natural grease of the skin is not easily removed by simple washing, and it protects the septic particles present beneath it and in the hair or sebaceous follicles. This purification of the skin is carried out by washing it well with 1-20 carbolic lotion, the antiseptic being allowed to act for some little time. It is well, having first washed the neigh- bourhood thoroughly, to apply over the seat of operation a large rag or towel soaked in 1-20 solution, and to allow this to remain on the part for some minutes. Where the epidermis PURIFICATION OF THE SKIN. 69 is thick, or where there is any putrid matter present, it is best to apply this towel about half-au-hour before the operation. It is not necessary to wash the skin with soap and water, or with alcohol or ether, as is often done in Germany. The carbolic acid has a wonderful power of penetrating grease or epidermis ; and if time be given for it to act it is unnecessary to wash off the grease beforehand. If the wound is to be in the neigh- bourhood of hair, as in the axilla or near the pubis, the part must be shaved, and then well soaked with the carbolic lotion. The errors in the purification of the part may be that the skin is not purified at all, or that it is washed with water ; or, as I have seen, the operator simply allows a carbolic spray to play over it for a minute or two, and is satisfied with this ; or he merely rubs the siuface with his wet finger. This purifica- tion must, however, be done thoroughly, for every hair follicle and gland duct may contain causes of putrefaction. Carbolic oil is used by some instead of the watery solution to purify the skin. This is a great mistake, for oil has a much greater affinity for carbolic acid than water has, and therefore the carbolic acid in the oily solution does not act with the same rapidity as the watery solution. Thus 1-20 or even 1-10 car- bolic oil is not nearly so useful for producing an instantaneous effect as 1-20 carbolic lotion. At the same time the operator and his assistants purify their hands. This must also be done thoroughly, and the folds of skin about the nail more especially must be well cleansed with the lotion. In an important operation, as in an o})eration on a joint, it is well to use 1-20 carbolic lotion for this purpose, so as to avoid any chance of a lurking particle ; but in ordinary operations 1-40 is quite sufficient. This purification of the hands is only too apt to be a sham, no care being taken about the nails and folds of skin. The 1-20 is not used in all cases, because 1-40 is really sufficient, and the stronger solution is apt to benumb the hand. The instruments are purified by immersion in 1-20 carbolic lotion before theojjeration. A tin or jxHcelain trough filled with the 1-20 solution is employed for tliis purpose, the instruments being placed in it souk; time liefore an operation (l*'ig. 22). The instruments are not merely dipped ; they must remain in 70 ASEPTIC SURGERY. the lotion for some time, because the carbolic acid requires a little time to act on the grease or dirt on them. For the same reason the teeth of toothed instruments ought to be cleaned thoroughly, and forceps locking by catches ought to be widely opened, so as to allow the solution to come in contact with all parts. The whole instrument must be immersed, for if only the point be purified it may happen that the impure handle is in- advertently brought into contact with the wound during the course of the operation. The errors most likely to occur are either that during the course of the operation an instrument not previously in the tray is used without any attempt at purification, or that the instru- ment is imperfectly purified or only part of it cleansed. I have seen the danger of partial purification more than once exem- FlG. 22. — I'DRCELAIN TROUGH CONTAINING INSTRUMENTS SOAKING IN CARBOLIC LOTION. plified. Thus I have seen the blade of a knife alone purified, and the surgeon in the middle of the operation use the unclean handle to separate the tissues. Other errors in the manipu- lation of instruments will be referred to presently. The spray is very important in many cases, for it provides an atmosphere in which instruments, &c., may be kept without danger of contamination. In order to have a wide and large antiseptic area in which to work, the spray ought not to be too near, about six or eight feet or more being a suitable distance for a good spray. Care must be taken that the spray is not blown off the part by draughts or by people moving about. The spray is most necessary in opening abscesses or in stitching up wounds, for, to take the latter case, as the wound is not syringed SPRAY 71 out after the stitches are inserted, septic air may be inclosed in the cavity of the wound, and may give rise to putrefaction if S ° a g ""'■♦J ° 42 o o ag If - a. « a) a a. s 2 § a S ^ S '^ M ° 9 a S 2 ii-^ J3 f! .a tlic ions e in rah are 11 c ;5 a -*f " >- r: -s ^ j3 ■'J £;g-3|-s -^ ■- •^ 2 of ^ OrC^ C the spray has not been playing over the wound while the stitches were being introduced. During the course of an operation any instrument which has been once purified, if kept in the spray, even though covered' with blood, remains piu*e, and may be introduced into the ASEPTIC SURGERY. wound without hesitation. The same is the case with the hands of the operator or assistants ; and therefore the dresser, in handing instruments to the surgeon, if)iust hand them into the spray (Fig. 23). If in the course of the operation the surgeon reaches his hand or an instrument out of the spray for any reason whatever, it must be repurified before being put into the wound. For this purpose there is generally a Fig. 2i.— To show the arrangement of towels, etc., in a large OPERATION. a a a Are tliree towels which have been soaked in 1-20 rarholic lotion, so that inatruments, &c. may be placed on them without fear of contamination. Tlm^ a small sponse will be seen on the upper one. d is tlie dish containing 1-40 carbolic lotion wliioli alwavs stands before the oiicrator, and in the line of tlie spray. In this he places the instruments which are not being used, and in it lie rcpurifies his hands or instruments if they have been removed from tlie elonil of spray. In tliis particular instance we have a lar^e wound to deal with— one so large that a single spray, unless of large volume, may not cover it completely. Hence a piece of gnai-d soaked in carbolic lotion Is thrown over the front of the wound while the surgeon is attending to the axillary part, or rice versd. basin of 1-40 carbolic lotion placed close to the operator in the line of the spray, in which fingers, instruments, &c., may be re-purified by momentary dipping. When instruments are laid down out of the spray, or, in the spray, on a blanket, they must be repurified before being used again. To provide a basis on which instruments may be laid, the carbolised towel is arranged before the operator as formerly described, and the blankets in the neighbourhood are generally also covered up SPRAY, 73 with wet towels, so as to avoid the chance of the instruments being laid on the blankets (see Fig. 24). Should the operator, during the course of an operation, wipe his hands in a dry towel, or touch any unpurified substance, he must remember to wash his hands in 1-40 carbolic lotion before re-introducing them into the wound. These precautions seem on the one hand self-evident, while on the other they seem so burdensome to remember that they are often neglected by self-sufficient surgeons. And yet it is by the neglect of these, rather than by error in any other part of the Listerian method, that mistakes arise and failures occur. Many people think that the spray is the essential part of the treatment, and neglect the precautions as to constant purification of instruments, &c., and when their cases go wrong they say that the principle is incorrect. And yet one thoroughly acquainted with the Listerian method will readily detect the loopholes, and the general loophole is the omission of some of the precautions with regard to purification of fingers, instruments, &c. Thus I have seen a surgeon with considerable experience in aseptic treatment, during the com-se of a difficult operation wipe his hands with a dry towel and immediately introduce them, covered with the dust from the towel, into the wound. The patient died of septic poisoning. Now many surgeons might have said, ' I used the spray ; 1 used all precautions ; my instruments were soaking ; my hands were purified ; ' for- getting this one little incident. When the point was men- tioned, however, the mistake was at once seen. People are too apt to trust to the spray as sufficient, and to speak of aseptic or Jjisterian surgery as treatment by the spray. This is a great and often fatal mistake. Of all the precautions required by Mr. Lister, that of purifying the air by means of a carbolic acid spray is the least necessary, for there are but few septic particles present in the atmosphere, and even though some of them fall on to a wound they may be rendered inert by washing the wound with carbolic lotion. It must always be remembered that Mr. Lister carried out aseptic treatment for years with great success without any spray ; and if at the present time he were compelled for any reason to give up some one precaution, he would at once throw aside the spray, as that one which is least 74 ASEPTIC SURGERY. necessary, and which could be the most readily dispensed with. At the same time, the spray is an immense convenience in many cases, more especially in abscesses, empyemata, in stitching up wounds, &c. ; and it saves the necessity of applying a great deal of carbolic acid to wounds by irrigating them, with the con- sequent irritation and risk of carbolic acid poisoning. To return to the errors which may arise in this part of the treatment. It may be that the spray is too near, and that thus the cloud is so narrow that the surgeon is constantly getting his hands or his instruments out of it, and forgetting to re- purify them. There are other disadvantages when the spray is too near. Thus it is very wetting, and the hands of the surgeon and the wound are unnecessarily irritated by the carbolic acid. If too near, the opaque spray also obscures the field of vision. On the other hand, where the spray is visible, it may be sufficiently trusted. Other sources of error are that instru- ments may be used which have never been purified, which have been only imperfectly purified, which have after their use lain about outside the spray or on blankets, &c. ; or it may be that the carbolic acid gets exhausted in the spray bottle, or that for some other reason the spray does not act properly. What is to be done should any of these accidents occur ? Suppose that an impure instrument or finger be introduced into the wound, that wound must be at once thoroughly washed out with 1-40 carbolic lotion. This is a bad thing for the wound, because it irritates it, and may prevent lijealing by first intention ; or it may, by causing a much larger quantity of dis- charge than usual, so saturate the gauze dressing as to render it unable to prevent the spread of putrefaction inwards. There- fore it is better to use the spray, and to take all the precautions before mentioned. Should the spray stop, the wound must be washed out just as in the former case, and then, till the spray can be set agoing again, the wound is covered with a piece of rag soaked in carbolic lotion. This piece of rag, called the guard, ought to be always present in the basin by the side of the surgeon, and when there is any indication that the spray is failing, or should it be advis- able to stop the spray for any reason, this is thrown over the wound for the time being. Should any time elapse before the METHOD OF TYING VESSELS. 75 spray is again ready for use, this guard must be repeatedly moistened with carbolic acid lotion 1-40. Where the wound is very large it may be protected during the operation either by having two sprays, or by covering up the part of the wound which is not being operated upon by a guard (see Fig. 24). The arteries are ligatured with catgut. This catgut is generally employed of three different sizes. The largest is used only for large vessels or for stitches; the medium for medium-sized vessels, or for vessels in inflamed or dense tissues where considerable force is required to constrict the vessel, or for stitches ; the small or fine catgut is that ordinarily employed ^-^ Fig. 25a. — Method op tying vessels in dense tissues. (After MacCormac.) for the smaller vessels. The vessel having been securely tied, the catgut is cut short and gives no more trouble. It is well to tie all the visible bleeding points, because a little oozing of blood may give trouble afterwards from tension. If the vessel be situated in dense tissue, so that a ligature cannot be applied around it, a needle carrying a double catgut thread should be passed througli the tissue and tied on each side of the vessel (see Figs. 25a and 2oh). The catgut should be taken direct from the trough containing carbolic oil, and should not be wetted in the lotion. Where the bleeding is from a tear in a large vein, and where it would be dangerous to ligature the 76 ASEPTIC SURGERY vessel, I have seen the following method adopted by Mr. Lij^ter: — In removing some cancerous glands from the axilla, a small vein was torn away from the axillary vein at their junction, making practically a longitudinal rent in the axillary vein. Taking a fine curved needle and the finest catgut, he stitched up the rent by the glover's suture. The patient recovered without the slightest bad symptom. There was no pain in the wound, nor swelling of the arm, &c. In another case, where the longitudinal sinus was injured in trephining the skull, the w^ound was plugged with catgut, and the patient recovered without any untoward symptom. The drainage of an aseptic wound is the point next in im- portance to keeping the wound aseptic. For if the blood and serum which collect in the in- terior of the wound within the first twenty-four or forty- eight hours do not get free exit, they give rise to tension, and tension gives rise to inflammation, and the latter, if allowed to go on long enough, to suppm'ation ; and thus the rapid healing of the TYING VESSELS IN DENSE TISSUES, wouud is prevented, though the (From Esmarch.) paticut is uot as a rulc subjcctcd to any danger to life. To avoid these consequences Mr. Lister has paid very special attention to the drainage of wounds. There are two main ways in which this may be done— drainage through tubes, or drainage by capillarity. The former is the most universally applicable and the most certainly successful. Drainage by means of tubes is that first used by Mr. Lister, and, as just stated, is the form of drainage which is most uni- versally applicable. The tubes generally employed are the india-rubber tubes introduced by Chassaignac, though of late the kind of rubber has been altered, that now used being red rubber, which contains no free sulphur. By the use of these red rubber tubes disagreeable smells and blackening of the X^rotective, which often occurred when the black tubes contain- ing free sulphur were employed, are avoided. These tubes have round holes cut in them at short intervals, the diameter of each Fig. 25&. — Another method of DRAINAGE-TUBES. 77 hole being about one-third of the circumference of the tube. At the outer end the tubes are cut flush with the surface of the skin — straight across if the tube goes directly downwards, or with varying degrees of obliquity according to the direction Fig. 26. -Ordinary oblique-ended drainage-tube ready for use. which the tube takes (Fig. 26). The tube must not project be- yond the surface, for if it does, its orifice gets compressed by the dressing, and the exit of fluid is prevented. To keep the drain- age tube from slipping in, two threads of carbolised silk are Fig. 27.— Duainage-tubk with masses of gauze in the loops of thread. fastened into it at its orifice, and tied in a knot. This knot, held between the dressing and the skin, retnins the tube in ])08ition. In souk; cases, however — as for cxiimple, in ompyeuia — the tube niiglit sli]) in in s})ite of these thrends, and th(n-('f()re it is well to fill u|» (he ]oo])S witli strips of gauze soaked in the 78 ASEPTIC SURGERY. carbolic lotion (Fig. 27). These absolutely prevent the tubes from slipping in. These tubes are always kept in a large vessel containing 1-20 carbolic acid solution, and are thus always ready for use. When a tube is altogether removed from a wound it is not thrown away, but is washed and put into the bottle with the other tubes, and used for another case. These tubes vary in size according to the size of the wound and the amount of discharge expected, and are arranged so as to drain the parts of the wound which form cavities or from which the greatest amount of discharge will come It is not necessary that their orifices be dependent, though it is of course better that they should be so. It is not essential, however, because the fluid, as it forms, wells out, and, not being putrid, that w^hich lies at the bottom of the drainage-tube does not cause irritation. In cases where the most dependent opening would be near sources of putrefaction, it is well to have the drainage-tube in another part of the wound, even though it be not so de- pendent. Thus in inguinal hernia the tube would no doubt be in the most depen- dent part if its orifice were close to the pubis, but as that would be much too near sources of putrefaction, such as the vagina and penis, the orifice of the tube ought to be at the outer angle of the wound (see Fig. 28). In a large wound it is well to have more than one tube; and it is better to have two smallish tubes in any case, rather than HERNIA, STITCHED, SHOWING THE OHC large ouB, bccausc ou the POSITION OF THE DRAINAGE-TUBE day after the operation one of OUTER ANGLE OF THE ^|^ggg ^^j^^g ^^^ ^^ rCmOVCd altogether ; whereas if a large one were pulled out in order to insert a smaller, there would be the gi-eatest difficulty in introducing either. No tube which one wishes to put back again should be removed till the third Fig. 28.— Incision for inguinal AT THE WOUND. BRAIXAGE. 70 day, on account of the difficulty of returning it. By that time, however, it Hes in a channel in the blood clot or Ijonph, and slips back easily. Fig. 29 represents forceps introduced by Mr. Lister, and called ' sinus forceps,' which are of the greatest service in inserting drainage tubes. Generally on the third day half the tube is cut off, and it is reduced in length at subsequent dressings till it becomes no longer necessary. No exact rules can be given for shortening or leaving out the tube. This must simply be a matter of experience, guided by the amount of discharge and the tendency to accumulation or otherwise. Should tension occur, a larger and longer tube ought to be at once introduced. A point which has always seemed to me of great importance in connection with the use of these tubes, and one which has apparently been overlooked, is the following. A tube is taken Fig. 29.— Sikus forceps. out of carbolic lotion at some distance from the spray, is earned through the air, and then directly introduced into the wound. I can hardly believe that when a large tube is taken out of the lotion there would be sufficient vapour of carbolic aoid in it to destroy any septic dust which might get into its interior, for a considerable mass of air must take the place of the fluid, and this amount of hospital air may often, as I have found by experiment, contain causes of putrefaction. Of course when passing through the spray this air may be displaced or purified, and also when introduced into the wound a consider- able amount of it would be forced out ; while at the same time there is a good deal of carbolic acid present, and purification in one way or another would probably occur. And further the purifying power of healthy living tissues, which will be after- wards demonstrated, must be taken into account. But in the case of a cavity, pm'ification in any of these ways may 80 ASEPTIC SURGERY. not happen, and putrefaction may result. In a ease of incision into the knee-joint, which will be afterwards alluded to, in which fermentation and inflammation occurred, this seemed to me the most probable explanation. My suggestion there- fore is always to take the tubes out of the lotion in the spray, and then the air which enters them will be air previously acted on by the spray. Drainage by capillarity was introduced by Mr. John Chiene, who was also the first to enunciate the principle of absorbable drains. For this purpose he uses catgut, and generally the Fig. 30.— Catgut drain ready foe insertion. finest threads. A skein of catgut, containing say twenty threads, is tied at its middle by a single thread of the same gut. One end of this thread is passed through a needle (Fig. 30), and by means of this the centre of the skein is stitched to the deepest part of the wound (Fig. 31). The skein is now broken up into bundles of five or six threads each. One bundle comes out at each angle of the incision, and the other bundles at inter- vals between the stitches (Fig. 32). More than one skein may be required in a large wound. This catgut becomes absorbed, and never requires to be removed. In five or six days the ends which hang out' drop off, and little granulating sores are formed which heal in a few days. In this method the serum escapes by capillarity, and by distributing the threads DEAINAGE BY CAPILLARITY. 81 over various parts of the wound the true principle of drainage is carried out ; for, as pointed out by Mr. Chiene, in draining a field one does not have one large drain going from one end of the field to another ; on the contrary, the field is traversed by numerous small drains. And so in Chiene's method of draining v^rounds we have a number of small drains traversing the wound in several directions. In this method there is no trouble about pulling out the drain, and no necessity for changing the dressing simply to remove a tube ; the drain disappears of itself. It is well to leave the ends of the catgut outside the wound as long as possible, so as to get a siphon action, and care must be taken not to break up the bunches of catgut outside the wound, for the capillary action occurs in the intervals between the threads when they are closely ajjposed. The objections urged against this method are, firstly, that in lai'ge wounds it is not sufficient, and that the catgut becomes a pulpy mass, and when in large quantity takes a long time to organise. Not only may it be insufficient at first, but it may become absorbed too soon — before, indeed, a drain of some kind can be dispensed with. Now these objections rest in great part on the fact that the drain is often improperly employed. If, for instance, it be not stitched to the deepest part of the wound, the catgut may slip and the deeper parts may not be drained ; and again, if a large bundle of it be used, coming out at one part of the wound only, it does become a pulpy mass, and takes a long time to organise. But this is not the method recommended by Mr. Chiene, for he says that only five or six threads ought to be brought out at each place. There is, however, no doubt that in some cases it is absorbed too quickly, and this was the real objection to the use of this method when we had only the catgut prepared by the old method, though even with it, if the gut was well prepared and old, the drainage was often very satisfactory. This difficulty will probably be overcome by the use of the chromic catgut recently introduced ; the only fear, indeed, will now be that the drain may last too long. Mr. Lister, however, thinks that if only the finest gut be used, according to Mr. Chiene's directions, the probability is that it G 82 ASEPTIC SURGERY. will be absorbed with sufficient rapidity. Of course, if neces- sary, the ends of the drain can be cut off, when it has served its purpose, below the level of the skin, and then, even though the internal part be not all absorbed, the wound can heal completely. Catgut can only drain fluids such as blood or serum ; it cannot drain pus. It is, however, unsuitable in cases of chronic abscess, where we have only a serous discharge, because the catgut is absorbed long before a drain can be dispensed with. Fig. ni.— Operation for stretching the sciatic nerve. Catfrut drain stitolicd to the deepest part of the wound, beneath the gluteus maximus, and lirukon up into four separate bunclics. If the wound is very large it is well to introduce tubes as well as catgut drains at first. The tubes may be removed in twenty-four hours. Instead of catgut, horse-hair has been a good deal used. This is simply laid into the wound in the situation where it seems most required. It is diminished by degrees, threads being taken out at various intervals of time. It has an advan- tage over catgut in draining joints, for no part of the drain DRAINAGE BY CATGUT AND HORSEHAIR. 83 remains in the interior of the joint, while portions of catgut do. Further, it is not absorbable. But it has the same disadvantages as the drainage tubes, and it is not readily retained in the deeper parts of the wound. It is preferred by Mr. Lister to the catgut, but there can be no doubt that the catgut, when used strictly according to Mr. Chiene's directions, and of good quality, is a very efficient method of drainas^e. It is easy to re-introduce a horse-hair drain if necessary by proceeding in the following manner : — A sufficient quantity Fig. 32.— The same wound stitched. The h'jnclips of rntpiit cnminp out at intprvals between t)ie stitclies. (Tlie woiintl lias teen exapperated, and the thnails of ratjzut separated, in order to sliow the nietliod more clearly. 'I'lie thnads of catpiit onpht to lie in close apiiositioii, for it is tin: iiitervnls between the threads which act as raiiillary drains'. being taken, the bundle is bent at its middle over a probe, and tied close to the probe by carbolised silk (Fig. 33). In this w^ay, the ])robe being withdrawn, a blunt compact end is oblained, which may be introduced into the wound with ease. Of lute the princi])le of absorbable drains has been applied by Dr. Neuber of Kiel ' in his absorl)al)le drainag(! tubes. ' Ein AnihepHgchcr Daucm-rhand narh fir'dndlichrr Jilutstillnii;/. Von LangenhccJt'x Archiv, Bd. xxiv. Heft. 2. a 9. 84 ASEPTIC SURGERY. These are tubes drilled in long bones, and then decalcified and carbolised. Holes are afterwards cut in the sides, and they are used like ordinary india-rubber tubes. These tubes are said to answer very well, though they are sometimes absorbed too soon, and sometimes last too long. They sometimes get soft and collapse about the third or fourth day, and thus, though not absorbed, become useless as a drain. Dr. INIacEwen ^ has lately somewhat modified Neuber's tubes. He uses chicken-bones, which are already hollow, and decalcifies them. ' The method of preparation is as folloAvs : — The tibia? and femora are scraped and steeped in hydrochloric acid and water (1 to 5) until they are soft. Their articular extremities are then snipped off with a pair of scissors ; the cndosteum is Fig. 33. — Method of preparing a horse-hair drain for re-introduction. raised at one end and pushed through to the other extremity, along with its contents. They are then re-introduced into a fresh solution of the same strength until they are rendered a little more pliable and softer than Avhat is ultimately required (as they afterwards harden a little by steeping in the carbolised solution). When thus prepared they are placed in a solution of carbolic acid in glycerine 1-10. They may be used at the end of a fortnight from the time of introduction into the glycerine solution. Holes may be drilled in them with a punch, or clipped out with scissors.' These tubes are threaded with horse-hair before being introduced into the tissues. This hair helps to maintain the calibre of the tube during the first few days, and also itself acts by capillarity. ' British Medical Journal, Feb. 5, 1881. BUTTON STITCHES. 85 The average duration of j\IacE\ven's tubes in the tissues was something over eight days. If, however, a tube is likely to be required for a longer time, it can be obtained by steeping the decalcified tubes in a chromicised instead of a carbolised solution. These resist the action of the tissues for two or three weeks. The accurate stitching of the edges of the wound is another feature in aseptic surgery. In operating aseptically the same care need not be taken to remove as little skin as possible as is necessary in wounds treated by other methods where swelling and inflammation of the edges are expected. One may take away a wide sweep of skin, such as would seem to render hopeless any attempt to bring the edges of the wound into apposition ; and yet if the edges can only be apposed, and if A c Fig. 34. — Lead buttons for deep stitches. A, The present form, describerl in tlie text. B, Form of button deviscrl by Dr. Ogilvie Will (seen in section). C, The old form, where the wire was fastened by passing it beneatli the button. the wound remains aseptic, union by first intention may be expected along the whole line. Button stitches are employed to relax the edges of the wound, and thus to leave the cutaneous margins free from the irritation which must occur if they are tightly drawn together. These consist of flat pieces of lead cut of an oval form and of various sizes, perforated in the centre by a hole through which silver wire is passed, and provided Avith two lateral wings round which the wire is twisted (Fig. 34). (There are various forms of button suture, but all act on the same principle.) These are a[)})lied some distance on each side of the edge of the wound, and connected by strong silver wire drawn tight enough to permit the edges of the wound to come pretty easily together. The number used varies according to the amount of tension. 8(> ASEPTIC SURGERY. In order to bring the edges of the wound into actual contact, two sets of stitches are employed : silver wire stitches, which take a good hold of the tissues and are placed at regular inter- vals, termed stitches of relaxation ; and in the intervals between these, in order to have the cutaneous margins accurately applied to each other, numerous stitches of coaptation, consisting of carbolised silk, horse-hair, or catgut are inserted (Fig. 35). The speedy healing which occurs when the edges of the wound are accurately brought in contact, while they are at the same time, by the button stitches and the stitches of relaxation, Fig. 35. — Wound after removal oi'^ mamma and axillary glands, STITCHED. To show tlie tliree kinds of stitches. Tlip button .stitchrs will lie at onee recognised ; the tliick stitches, of which three arc represented, are the stitches of relaxation ; and the remainder are tlie stitches of coaptation. freed from any tension, rewards the surgeon for the time spent in inserting a large number of these stitches of coapta- tion. In taking out these stitches it is best to follow a reverse order to that of insertion. The first to be removed are the stitches of coaptation, while the stitches of relaxation are pro- bably cut on the same day. Do not be in a hurry to remove the stitches where there was much tension in bringing the edges of the wound together. A week or ten days is time enough. Should the wound gape, strapping may be employed, even under an antiseptic dressing. To render the stra])ping aseptic, it is immersed in warm carbolic lotion (one part of 1-20 and an equal part of boiling water) before being applied. This both BEESSINGS. 87 renders it aseptic and also takes the place of the hot- water can for heating the strapping. Having proceeded thus far in the aseptic operation — having tied the vessels, aiTanged the drainage, and brought the edges of the skin well together— we must now apply a dressing which shall prevent the occurrence of putrefaction till the case is again seen. In applying a dressing we must in the first place be careful to make it as little irritating as possible to the young epithelium along the Hne of incision. The dressing employed is the car- bolic gauze ; and, to prevent the irritation of the healing edge of the wound by the carbolic acid, a piece of protective is inter- posed between the gauze and the wound. This protective is cut a little larger than the wound, and it is well to cover the buttons with a little bit also, in order to prevent the threads of the gauze from becoming entangled in them. This protective need not extend over the orifice of the drainage tube, as its essential object is to protect the healing part from the irritation of the carbolic acid. The protective is also of use in preventing the dressing from sticking to the Avound, and in preventing the formation of scabs, and the consequent possible retention of the discharge. An eiTor which is frequently made is to put on too large a piece of protective. There is nothing antiseptic in its substance, and it protects the discharge beneath it from the action of the carbolic acid. Therefore if at any part it projects beyond or comes close to the edge of the dressing, it allows the causes of putre- faction to spread inwards beneath it, and prevents the carbolic acid from acting on this putrefying discharge. It is therefore a very good rule, having covered the woimd with sufficient pro- tective, to look on this protective as a wound, and to be as careful in having the gauze dressing overlap it in all du-ections as if it itself were the wounded surface. Where there is very little space for overlapping, as in inguinal hernia, no protective ought to be applied. It is better to have somewhat slower healing than to have putrefaction spre-ad into the wound. As men- tioned before, this protective is di))i)ed in carbolic lotion 1-40 befoi'e being applied. Outside the protective a piece of gauze wet in the carbolic 88 ASEPTIC SUliGEliT. lotion 1—40 is applied so as to overlap the protective in all directions. The reason for this is that dry gauze is apt to receive dust on its surface before being used, while at the ordinary temperature of the atmosphere but little carbolic acid is given off from the gauze, certainly not enough to destroy immediately the activity of the septic particles in the dust. But if the piece of gauze applied next to the protective be moistened in the 1— iO solution, this dust is at once deprived of septic energy, and we apply over the wound a layer of pure and powerfully antiseptic material. Fig. 36.— Excision of the hip-joint. Wound stitclied ; ])rotective anil deep di-essing applied. The piece of wet gauze and the protective go by the name of the deep dressing. This deep dressing may in some cases, and more especially where catgut stitches and catgut drains are used, be left for several days undisturbed. In this way the wound is not irritated by the application of carbolic acid to it every time the dressing is changed. If the deep dressing be thus left on, it must be remembered that the deep piece of gauze loses all its carbolic acid very soon, and that therefore it must be treated as a wound — ^.e., in renewing the dressing this deep part must be overlapped in all directions by a piece of wet gauze, and that again by a dressing of suitable size. DEEP DRESSING. ^9 In some cases it may be desirable to fix down the deep dressing with a piece of gauze bandage. If it be intended to leave on this deep dressing for some time it is well, before applying it, to rub the neighbourhood of the wound with the salicylic cream mentioned before. It sometimes happens that when a dressing is left on for many days together, the discharge becomes somewhat irritating, and the skin around the wound becomes excoriated. This is generally entirely prevented by the use of salicylic cream. Having arranged the deep dressing in a suitable manner, any hollows which exist in the neighbourhood of the wound are filled up with carbolic gauze, and special masses of this material are placed where the greatest amount of discharge is expected. Outside this a large gauze dressing, made as before described, is applied. The size of this dressing varies accord- ing to the amount of discharge expected, but in all cases it must extend well beyond the deep dressing in all directions. Some special examples will be mentioned presently. This dressing is fixed on with a suitable bandage. The gauze bandage is preferable to an ordinary bandage under certain circumstances. It is especially convenient in bandaging a stump next the skin to prevent retraction of the flaps, and also for fixing down the deep dressing. It also increases the amount of antiseptic material outside the macintosh if there happens to be a hole in it. But for ordinary use in fixing on dressings very light and cheap bandages may be made from the ordinary thin muslin which is used as a guard. They do not stick to the skin as the gauze bandage is apt to do. The dressing is pinned round its edge to the bandage. Care must be taken not to put pins through the macintosh at any part except at its edge. Pinholes through the centre of the macintosh simply defeat its object by permitting the discharge to come directly through the dressing. The object of the macintosh is to make the discharge travel through a large extent of the gauze, and thus the same result is obtained as if a mass of gauze were applied over the wound, of the same thickness as the distance from the centre of the macintosh to its edge. If therefore there be a pinhole near the centre of the macintosh, the object of the latter is seriously interfered 90 ASEPTIC SURGERY with. Accordingly, it is always the duty of the i)ersoii who makes the dressings to examine the macintosh with the view of detecting any holes in it. If the dressing is to be used as soon as it is made up, it is well to sponge the surface of the macintosh with 1-20 carbolic lotion before inserting it. The same piece of macintosh may be used for a whole case, or for more than one — so long, in fact, as it does not become worn into holes. Two pieces of macin- tosh are generally provided for each case, and a dressing is always made immediately after the case has been dressed, and is ready for application at any time. Fio. 37.— Dressing in a case of psoas abscess opened above Poupakt's ligament. To show tlie an-angement of tlie elastic bandage along the margins of the dressing. It might happen that, in the movements of the patient, the edge of the dressing might become separated from the skin, and air pass into the space thus formed. To prevent this, the German surgeons as a rule pack in salicylic jute or wool be- neath the edge of the dressing. This may serve the purpose, but it is by no means safe. Mr. Lister some time ago intro- duced the use of elastic webbing, which is of various breadths. It is better not to be too broad. It is put moderately on the stretch, and surrounds the edge of the dressing. Its general arrangement varies of course with the situation. It is not much used on the extremities, because the ann or leg is generally so CHANGING OF THE DRESSING. 91 fixed by means of splints that there is no chance of separa- tion of the dressing. The operation and first dressing ha\iug now been com- pleted, the question arises when the dressing should be changed. It is only extremely rarely that it is necessary to change it the same evening. The only cases in which this is usually done are large empyemata or very large abscesses, and cases of am- putation at the hip-joint, where the discharge of bloodly serum is profuse, and there is but little space for overlapping of the dressing. As a rule, the dressing ought to be changed entirely on the following day, the deep part as well as the superficial. It is well to change the deep dressing in order to see that none of the stitches are too tight, and that the drains are acting pro- perly. After the first day the deep dressing need not be touched, unless the patient is complaining of uneasiness, or unless the sm-geon wishes to see the wound for the purpose of removing stitches or drain. If it is not necessary to disturb it, it may, especially where there is an organising blood-clot, be better not to do so, for that would only be to expose the wound unnecessarily to the irritation of the carbolic acid. If the deep dressing is not changed, great care must be taken to have an efficient spray playing over the part. In changing the dressing the spray is used, and also 1-40 carbolic lotion, in which a piece of loose gauze and protective are put before the dressing is begun. The elastic bandage is first removed, and then the patient or an assistant places his hand over the centre of the dressing while the bandage is being cut, so as to prevent the dressing being lifted up and air pumj)ed in. Then the surgeon, having purified his fingei's, and having turned on the spray, lifts the edge of the dressing carefully, taking care that the spray passes into the angle between the dressing and the skin (see Fig. 38). Having removed the superficial dressing, he again dips his fingers, and then removes the deeper parts and exposes the wound. If nothing is wrong, he immediately applies fresh protective and wet gauze, and then washes the parts round about, as far as the discharge has extended, with 1-40 carbolic lotion. The 92 ASEPTIC SURGERY edge of the wound is not washed or exposed to the action of the spray longer than is absolutely necessary. It is well to apply the deep dressing at once, for in washing the surround- ing parts, one is apt to give the wound a final touch with the rag. Now this rag may contain some gross particles of putrid material (such as a crust of discharge from the exterior of the dressing, faeces, &c.), and thus putrefaction would be com- municated to the wound. There is no necessity for cleansing the edges of the wound. Dirt, so long as it is clean, i.e., so long as it does not contain causes of putrefaction, does no harm ; indeed, it rather aids the action of the protective ; while Fig. 38.— Method of changing a psoas abscess dressing. A Hand of patient holding down tlie dressing over the wound. BB, Hands of surgeon lifting ' the lower^«l?e of th^ dressing (C). D, The spray machine so placed that the spray passes m beneath the dressing as it is lifted. to rub it away is to irritate and injure the healing edge— to produce a state of unrest. A fresh dressing is applied as before described. Where there are two wounds in different situations, so placed that the spray cannot command both, each must be dressed separately, care being taken not to uncover the one till the other is at any rate protected by a deep dressing. The patient or assistant must keep his hand on the dressing over the one wound, while the other wound is being attended to. The next dressing takes place on the following day at visit, RULES FOR CHANGING THE DRESSINGS. 98 if there is any discharge at the edge of the dressing or if the wound feels uneasy. If there is no discharge on the drawsheet and if the wound is free from pain, the dressing is not changed ; and even though discharge should appear a few hours later, the dressing is not changed till next day at visit hour. The rule for changing the dressings is therefore : Change if discharge is through at the visit hour, or if there be any other reason for it ; if not, leave the dressing till next day at visit, and then follow the same rule. Never leave a dressing unchanged longer than a week. By that time most of the carbolic acid ha5 passed off by evapora- tion ; and therefore, if the discharge once came to the edge, putrefaction could spread inwards with great rapidity. And it would not be necessary for the discharge to appear at the edge in order to have putrefaction of the wound, for the sweat collecting beneath the dressing permits the multiplication of septic particles in it, and thus they may reach the wound. Where a dressing is to be left on for a week, it is well to use the salicylic cream in the way before described. Such is the general method of using carbolic dressings ; special modifications will be noticed presently. Let me pass on in the meantime to the general points as to boracic dressings. Let us sup})Ose that a patient is admitted with a foul ulcer of the leg : how is he to be treated ? If he were to be ti'eated with carbolic dressings, the ulcer would very probably remain foul, or even though it ultimately became free from odour, it would heal excessively slowly. Hence, Mr. leister first piuifies the sore, and then dresses it with boracic acid. To purify the sore, chloride of zinc, 40 grs. to the ounce of water, may be used. This is applied tlioroughly to the whole surface of the sore, and at the same time the surrounding skin is well purified by thoroughly washing it with 1-20 carbolic lolion, whieli is em])loyed on account of its special power of jx'uet rating the epidermis. When iliis lias been done, a. jiiece of protective, dii)ped in boracic lotion and slightly larger than the sore, is applied over it, and outside tliis is placed one or two layers of moist or dry (it docs not much matter which) 94 ASEPTIC SURGERY. boracic lint, of sufficient size to cover the protective well in all directions. There is the same objection here to allowing the protective to project beyond the edge of the dressing as in the case of the carbolic dressings. Lately, instead of applying the chloride of zinc solution, which causes consider- able uneasiness, iodoform has been yjowdered over th,e whole surface of the ulcer, and it has been equally successful. The chloride of zinc or the iodoform need only be applied once ; but should putrefaction not be eradicated, the application is repeated. This dressing is changed next day, but aftei-wards, as a rule, if only requires to be changed every two or three days, or indeed at longer intervals, provided that there is not much discharge. That is to say, as there is a very large store of the antiseptic in the lint, and as it is but slightly soluble at the temperature of the human body, the discharge may go through the dressing many times without washing out all the antiseptic. At the same time it is found as a general rule that the wound heals most rapidly when the dressing is changed once in three or four days. At the changing of the dressing no spray is required. The bandage (which may be a common cotton bandage, if preferred) having been removed, the dressing is taken off' and the wound well washed with boracic lotion. Any septic dust which falls on the wound during its exposure is destroyed by giving the wound a final wash with the lotion before applying a fresh piece of protective and boracic lint. This boracic dressing is not used for wounds which are not quite superficial, because the acid is not volatile, and because it is but a feeble antiseptic ; but when once a wound has be- come quite superficial, it will heal more quickly if treated with boracic dressing. In some cases, more especially where the sore is septic, or where the patient dresses it himself, boracic ointment is prefer- . able to protective, and where the sore is healing, the half- strength ointment is the best. Outside the ointment a piece of boracic lint is applied as usual. Of late, salicylic ointment has been used, and found to answer, as a rule, better than the boracic. It is less irritating, and permits healing more readily. B-ORACIC DRESSINGS. 95 A eucalyptus ointment has been employed quite recently, and has given excellent results. VV^hen the effects of a poultice are wanted along with an antiseptic effect, the boracic lint is applied like water dressing. A suitable piece of the lint moistened in boracic lotion is ap- plied, and outside this a larger piece of macintosh or gutta- percha, overlapping the lint in all directions. 96 ASEPTIC SURGERY. CHAPTER V. ASEPTIC SURGERY_(co«^f««frt?). Special dressings : Head dressi/if/s : Ned; dressings : Breast dressiiiffs — Abscess of vKimina — Excision of mamma alone — Excision of inamnia and axillary qlands : Axillary dressings : Dressings on the limbs : Dressings for psoas abscess : Lumbar abscess : Hijf-joint abscess : Dressings in cases of hernia and operations on the scrotum: Excisions of joints. Aseptic treatment of abscesses. Chief xjoints to be considered in opening abscesses — Mi-thod of openi7ig abscesses — Drainage of abscesses — After-treatment of abscesses — Empyema — Perinealand anal abscesses. Treatment of wounds produced acci- dentally : Problem to be solved — Purification of wound — Further treatment of the wound. Special wounds : Compound fractures : Wounds invoicing tendons, nerves, ^'c. : Wounds of joints : Compound fractures of the skull : Penetrating wounds of the thorax: Wounds of the abdomen. Putrid sinuses ■ and wounds. Treatment of burns. Treatment of gangrene. Treatment of na3vi and varicose veins. I SHALL now describe the special methods of dressing and other precautions required in different sitiuitions. In operating on the scalp the hair must be shaved for some distance around the wound, and the hair beyond ought to be soaked with carbolic lotion 1-20. If the incision be in the centre of the scalp, or, in other words, if there be a circle of hair all round it, it is better not to use j^rotective at all. The dressing in such a wound is fixed by the ordinary capelline bandage. Where the wound is more or less to one side, the dressing must extend downwards on the neck, and it is then well to have a narrow elastic bandage along the edges, more especially around the neck. In the neighbourhood of the ears, the various cavities in the ear, and the space behind it, must be filled up with gauze. Nech dressings have nothing very unusual about them. The dressing must be ftistened round the neck. It must be pre- vented from slipping down by a turn passing above the ears BREAfiT DRESSISGS. and around the forehead, and also by two vertical turns over the head, one transverse and the other longitudinal, these various tiurns being pinned together where they cross. To prevent the dress- ing from slipping up, turns are passed under the axilla. A narrow elastic band- age must be applied round the edge of the dressing in this situation, for the movements of the head are extremely a})t to cause an interval between the skin and the dressing (Figs. 39 and 40). Breast dressings are very important ; they are arranged in three different ways according to the size and extent of the wound. No. 1. — Where an abscess of the mamma is opened, or where some small incision, not interfering with the form of the organ, is made, the dressing consists of an ordinary gauze dressing covering Fig. 3"j. the whole mamma, some loose gauze This figme illustrates the genr. being packed in in front and behind. '"' ^'''"■^'^■"^"^ °f '»■•«- This is fixed by turns of bandage passing round the body alternately above and below the organ, with straps over the shoulder. The arm is placed in a sling. by elastic bandage (Fig. 41). No. 2. — Where the mamma has been removed and the dis- charge has become much diminished in amount, there mav remain enough of room between the wound and the axilla for overlapping of the dressing. In order to fix the dressing and keep it well up in the armpit, it is split vertically at the axilla, folded over, and pinned on the top of tlie shoulder. It is then bandaged securely, and an elastic bandage a])i)lir(l around the edges (Fig. 42). No. 3. — Where the mamma and axillary glands have been removed, or for the first few days after excision of the mamma alone, this arrangement is not enough, for it does not leave sufficient room for overlajipiiig. The arm must therefore be nigs on the neck. The ar- rangement shown liero would do for any operation about the region of the stcv- nouia.stoid behind or below the ear. The edges are fixed 98 ASEPTIC SURGERY. included in the dressing. This is accomplished most con- veniently in the following manner : — A large dressing is applied FICt. 40. — To SHOW THE ARRANGEMENT OF THE TURNS OP BANDAGE ON THE HEAD SEEN FROM ABOVE. posteriorly, reaching behind as far back as the middle line, and folding over the arm so as to touch the thorax in front, Fig. 41.— Dressing applied in a case of abscess of the mam- MA (BREAST DRESSING NO. 1). The position of tlip drainage tube is indicated by dotted lines. Fig. 42.— ]5reast dressing- no. 2. the arm being applied to the side. This dressing must be broader than the length of the upper arm from the top of BREAST DRESSINGS. 99 the shoulder to the tip t)f the elbow, the overlapping parts being caught by the turns of bandage passing over the shoulder and round the body respectively. To prevent the internal condyle from suffering from the pressure, a large mass of gauze is applied behind the arm, extending downwards almost to the condyloid region, but not reaching quite so far. A mass of gauze is packed in between the arm and the side, and in front filling up the angle between the arm and the thorax (Fig. 43). A smaller anterior dressing is then applied, narrower than the posterior, reaching as far forwards as the middle line or beyond it, and outwards to the upper arm, the edge of the anterior dressing passing beneath the edge of the Fig. 43.— Case op excision of the mamma. Back dressing lying ready for application ; sliowing also the deep di-cssiug and padding in the axilla and beljind the arm. ])Osterior. Thus the side of the patient is completely encased in a gauze dressing. This is very easily bandaged on. One turn of bandage passes round tlie body outside the arm (Fig. 44, 1); the second also passes round the body, but below the elbow (2), thus catching the portion of the dressing overhang- ing the elbow and also the lower edge of the front dressing ; the next passes roimd the body and over the top of the shoulder on the side operated on, thus catching tlie portion of the dressing projecting above the shoulder (3) ; tlu; bandao-c then passes down beliind but parallel to tlie arm, turns round below the elbow, runs obliquely upwards in front to the top of 100 ASEPTIC SUR(rERY. the opposite shoulder (4), then obliquely back again behind the body (thus fixing the upper angles of the dressing in front and behind) to the middle of the arm, over which it passes obliquely downwards (5), to go under the wrist and end at the top of the shoulder (6) — in this way completing the fixing of the dressing to the arm, and at the same time acting as a sling for the hand. A bandage six yards long generally does this exactly. Pins are now inserted at all the necessary points, more es- pecially where the bandage passes over the shoulder and under the elbow. The arm and dressing are then fixed seciu'ely to the side by a binder of calico, broader than the length of the Ki«. 44— Dressings applfeu aftek excision ov mamma and axillary GLANDS, TO SHOW THE ARRANGEMENT OF THE DRESSINGS AND BANDAGES. The turns of bandage are numbered, and arrows are placed on them to show the direction iu which they run. upper arm, passing round the body, below the axilla of the other side, and pursed up and pinned above the shoulder, and below the elbow of the included arm. Thus perfect rest is procured, and no elastic bandage is required. When the axillary incision is soundly cicatrised, and the discharge has become small in amount, the axillary dressing or the breast dressing No. 2 may be applied, the arm being simply supported in a sling. An axillary dressing must be ap[)lied partly to the chest and partly to the upper arm, and made to fold over the top of the shoulder. It requires an elastic bandage (P'ig. 46). Elastic bandage is not as a rule required for dressings on DRESSING Foil PSOAS ABSCESS. 101 the extremities, because the limb operated on is generally placed on a splint for a few days, in order to procure absolute rest till healing by first intention is complete. Thus the movements which it is the function of the elastic band to neutralise are avoided, and the constriction of the elastic is also avoided. With regard to this constriction, however, the elastic need never be applied so tight as to produce cedema ; indeed, I have more than once seen oedema which was present before an operation subside afterwards, even although an elastic bandage was used. Where the patient is allowed to move the extremity — as, for instance, when he is allowed to walk after a small operation on the lower extremity — an elastic bandage is Fir. 4.").— Bindee applied outside the dressing represented ix FiG. 44, so AS TO keep the parts and dressing at rest. absolutely necessary. In the case of the lower extremity, the padding at the upper part of the splint should be covered with macintosh, and the foot of the bed should be supported on blocks. In this way all the discharge flows upwards, and as it cannot soak into the padding of the splint, it is shed on the draw-sheet soon after it has reached the edge of tlie dressing, and thus one can ascertain accurately whetlier or not it is necessary to change the dressings. The dressing required for psoas abscess opened abo\e Pou- part's ligament is one of the most important dressings, as well as one of the simplest illustrations of the method of applying the elastic bandage. I may say here with regard to this method of opening psoas abscess :>bo\(' P()U))!irt's lignmcnt that there 102 ASEPTIC SURGERY. are two reasons for choosing, this situation. In the first place, the old rule that these abscesses must not be opened early is now done away with, and under truly aseptic treatment, as soon as fluctuation is detected, an operation is performed of a similar nature to that for tying the external iliac artery, and the abscess is opened after a careful dissection. The sooner the abscess is opened the better, for the abscess cavity is thus smaller than if the surgeon waits till the pus has burrowed its way into the thigh ; and, further, so long as the pus is there it irritates by its tension, and thus keeps up the chronic in- FiG. 46. — Dressing in cases ov operation on the axilla alone. In t)iis case an abscess has boen opened and tlie position of tlie draina.s;e tube is Indicated by dotted lines. TLe ed!,'e of the dressing lias also been dotted in. flammation in the si)ine. This, then, is one reason why the opening leading into these abscesses is generally above Pou- part's ligament. Another is, that even supposing the abscess to be pointing in the thigh, it ought to be opened as far as possible from sources of putrefaction, and the most convenient place in this resj)ect, as well as the best for the attachment of a dressing, is the neighbourhood of the anterior superior spine. I shall hereafter discuss the reasons why it is thought best by some surgeons, more especially by Mr. Chiene, to try to get DRESSINGS FOll PSOAS AND LUMBAR ABSCESSES. 10.3 at these abscesses from behind either by perforating the ala of the innominate bone or by getting at the pus above the crest of the ilium. Such a method has advantages both by pro- viding a dependent opening, and also by leaving a shorter channel between the seat of the disease and the cutaneous siu'face. The dressing applied when the opening is in the neighbour- hood of the anterior superior spine extends from the middle line in front to the middle line behind. It reaches as high up as the lower border of the ribs and as low as about three inches below Pou})art's ligament. Special masses of gauze are placed ^ 1 iliVildlH''/ Fig. 47.~Dres3ing in a case of psoas abscess opened above Poupart's ligament, seen from the front. T]ie position of the drainage tube is indicated by dotted lines. in the neighbourhood of the pubis, which is also shaved on that side. The dressing is fastened on by a spica bandage with circular turns around the thigh and abdomen. The elastic bandage is applied accurately to the edge. It begins, say, at the upper and anterior angle of the dressing, runs vertically downwards along the anterior edge ; then, passing back round the inner side of the thigh, it encircles the thigh, thus fixing the lower border ; then it runs vertically upwards behind till it reaches the upper posterior angle ; then, being held there, it is carried round the abdomen. The two ends of the two vertical pieces are fastened to the circular ])iece by pins, and pins are also applied at all the angles and along the edge where neces- 104 ASEPTIC SURGERY sary. In some deformed persons shoulder straps are necessary to prevent the dressing from slipping down (Figs. 47 and 48). Fro. 48. — r^iOAS abscess dre^sixo (Fig. 47), seex from behind. In Inmhar abscess straps must pass over the shoulders to prevent the dressing from slipping down, and between the thighs to prevent it from slipping up (Fig. 49). Vui. 49.— Dressing ix a case of lumbar abscess, seen from behind. Tlie position of tlip rlrainage tube is indicated by dotted lines : the vertical dotted lines at the niiildle of the back indicate the edge of the dressing. In abscess of the hip-joint the arrangement of the dressings is much the same as in psoas abscesses, except that they pass lower down and not quite so high up. As a long splint is I)Iii:SSINGS FOE HERNIA, ETC. ]05 generally in use, an elastic bandage is unnecessary, unless in children (Fig. 50). Where abscesses are opened near the top of the thigh on the inner side, and are thus pretty near sources of putrefaction, large masses of gauze must be applied between the orifice and the perineum, and an elastic bandage carefully fastened along the upper edge. In operations for hernia^ varicocele, and on the scrotum, in the male, there is one form of dressing which is generally applicable. In the first place, no protective is used, on account of the immediate vicinity of sources of putrefaction, as has been previously explained. The gauze applied to the wound, instead Fir. 50.— Dressing in a cask op hip-joint abscess, with elastic APPLIED. The dotted part sliows tlie position of tlie wound. of being merely wet with carbolic lotion, is steeped in 1-5 or in 1-10 solution of carbolic acid in glycerine, and this is wrapped around the penis and over the scrotum. This gauze sticks to the skin and does not become detached with the movements of the body, while it is more powerfully antiseptic than the ordinary carbolic gauze. Then a mass of gauze is rolled into a ball, and this is suspended in the centre of a long strip of gauze. The ball is i)laced in the jjerineum behind the scrotum, and the strip of gauze passes u}) in each groin. This strip retains the pad in position (Fig. 51). The pad serves the double purpose of supporting the scrotum and re- ceiving the discharge, which passes chiefly downwards. The 106 ASEPTIC SURGERY. hollows having been filled np with loose gauze, the general dressing is applied. A hole is cut in this dressing towards the Fig. 51.— Deeper part of the hernia and scrotal dressings. Left side of Bcrotum covered with gauze soaked in carbolised glycerine. Mass of gauze in the perineum enclosed in a roll of gauze. upper border, and the penis is passed through this hole, and thus helps to keep the dressing in position. The dressing „., 'l!£LlmMM/jJ,/Jj^/^/^^^jj^^^ Fig. 52. — Dressing in a case op operation for hernia, or on the scrotum on the LEb'T SIDE, SHOWING THE ARRANGEMENT OP THE DRESSING AND ELASTIC BANDAGE. passes over the scrotum and over the perineal pad, and is fixed bv a double spica bandage (Fig. 52). The pad in the j)eri- EXCISIONS OF JOINTS. 107 neum is fixed there by a St. Andrew's cross. The elastic band- age is applied in the form of a St. Andrew's cross in the peri- neum, and of a double spica (Fig 53). The bandages, dress- ing, and perineal pad are carefully pinned together in the perineum. The methods of managing excisions of joints^ operations for ununited fractures, &c., in the lower extremities, are very im- portant. Here jjerfect rest must be combined as far as possible with the aseptic treatment. For two or three days after an Fig. 53. — Dressing in hernia cases or in operations on the scrotum, showing the arrangement op the bandages in the perineum. (seen from BELOW). operation it is better to change the dressing, which is the ordinary gauze dressing applied round the limb, simply by lift- ing the limb, because there is generally a large amount of bloody and serous oozing at first. After a few days this oozing has become much diminished in amount, and the dressing is then accomplished in the following manner : — A Gooch's splint is padded above and below the situation of the wound, the part opposite the wound being left unpadded. The whole splint and padding is covered with a piece of macintosh cloth, and is firmly fixed to the posterior aspect of the limb above and below the situation of tlie wound. Behind the wound, at the part where tlif jjadding is deficient, masses 10.H ASEPTIC SlTIiGEliY of gauze of sufficient thickness are arranged transversely and superficial to the macintosh. These pieces are three or four or more in number, and they act as padding for the splint, and at the same time as an antiseptic dressing (Fig. 54). When the dressing is changed, a piece of gauze is pinned to each Fig. 5i.— Splint for excision of knee, ready for application. The splint is padded at the upper and lower parts, and tlie splint and padding are covered with a piece of macintosh cloth. The space opposite the knee is filled with masses of gauze arranged transversely and superficial to the macintosh. of the old pieces, and then the old piece being pulled out the new is pulled in, and thus the limb is never left without support (Fig. 55). Over the front of the limb an ordinary gauze dressing of suitable size is applied. Splint applied in a case op excision op the knee. This shows the method of changing the dressing. In the first way described a mass of gauze would be pinned on to the end of the old piece on the other side of the limb, so that as the old piece is pulled out the new is pulled in, or it may be arranged in the second manner de- sc^ribed, and shown in Fig. 54— viz., a piece only extends to the middle line behind, and as soon as each is pulled out afresh piece is pushed in. Another more convenient way in which this may be managed with even less movement is to have each of the masses of gauze mentioned in the former paragraph divided, in the middle line, and thus the half of each mass is pulled out at a time and a new piece substituted (Fig. 54). TREATMEXT OF ABSCESSES. lO'J Another way is to apply a wire splint next the skin, fix it there, and then apply the dressings outside. When the discharge becomes still less the limb may be put up in plaster of Paris, a window being left for dressing. Excision of joints is now, however, rarely performed, for with aseptic treatment an incision into a joint and the insertion of a drainage tube is generally sufficient in cases where formerly excision or even amputation would have been required. Several advantages are thus gained, among the most prominent of these being absence of shortening of the limb (and this is most im- portant in children), and often a certain and even a considerable amount of motion in the joint afterwards. It may be mentioned here that Mr. Knowsley Thornton in ovariotomy cases does not apply a bandage round the abdomen. He fastens the dressing with adhesive plaster, and does not change it for a week, by which time healing is generally complete, except where the stitches are. Such are the chief points as to the application of antiseptic dressings in different situations. I must now say a few words as to the aseptic treatment of abscesses. I have already referred to the question of the necessity for a dependent opening, and I pointed out that, as the discharge from an abscess treated aseptically is not irritating, because not putrid, it does little harm even though left to well out, instead of being permitted to flow ou.t through a dependent opening. In fact, aseptic surgery has altered the relative importance of the questions to be considered in selecting a situation for open- ing an abscess ; and now the chief point to be looked at is not whether the orifice of the tube is in the most dependent position possible, but whether it is at the point furthest removed from sources of putrefaction — i.e.. whether there is the greatest pos- sible space for the overlapping of the antiseptic dressings. Indeed, in some abscesses pointing near such canals as the pharynx, anus, &c., it is better to make an opening in healthy structures at some distance from the abscess, and burrow a channel into it, than to make an incision directly into the abscess cavity. I saw a striking example of tliis iu Kdiubui-gh se\cral vears 110 ASEPTIC SURGERY. ago. A boy was admitted into the infirmary with retropha- ryngeal abscess connected with occipito-atloidean disease. The abscess was on the point of bursting into the pharynx. Mr. John Chiene, who had charge of the case, instead of opening the abscess at the only place where it was pointing, viz., in the pharynx, cut down behind the sterno-mastoid, and burrowed into the abscess cavity from behind. The abscess followed a typical aseptic course, and the patient recovered completely. Thus then the great rule in selecting a situation for opening abscesses is to make the incision as far as possible from sources of putrefaction. When opened, instead of dealing tenderly with the pyogenic membrane as was formerly done under the impression that it was a hurtful thing to injure it, we now empty the cavity thoroughly, especially in the case of chronic abscesses, in order to get out all curdy masses of pus, &c., which may have gravi- tated to the bottom of the abscess. When this is done oppor- tunity is given for, the rapid adhesion of the greater part of the wall of the abscess cavity, and thus in a very short time there is merely a sinus left leading down to the seat of disease. There is no necessity for washing out the cavity of an abscess, as is done in so many quarters. To do so is simply to irritate the pyogenic membrane unnecessarily without securing any corresponding benefit. Indeed, it might give rise to such an amount of oozing from the wall of the abscess as would wash out all the carbolic acid from the dressings in a very short time, and thus lead to the putrefaction of the discharge. The treatment by hyperdistension, while erroneous in theory, is very dangerous in practice, as the fluid may be forced into the cellular tissue, and lead to diffuse inflammation and even gangrene, or to carbolic acid poisoning and death. The greatest care must be taken in the drainage of abscesses. In the case of a large psoas abscess the surgeon should intro- duce the largest sized drainage tube in the first instance. This tube may be changed for a smaller in a few days. It ought not to be removed for the first time till at least three days have elapsed since the abscess was opened, otherwise there may be great difficulty in replacing it. It should not be shortened till it is found to be absolutely impossible to get it in fully. When- TREATMEXT OF ABSCESSES. Ill ever this is the ease a piece must be cut otif from the end. (Here I speak of chronic abscesses, an acute abscess heals in a week or ten days.) In some cases, where the same tube is left in for a week (where the case is only dressed once a week), some difficulty will be found in withdrawing it, owing to the granulations having grown in at the holes and holding it in position. In this instance the guide as to shortening is lost, because the tube cannot be pushed out ; and therefore it will be found best in old cases to use a tube having holes only close to its inner end. This cannot be held, and is gradually pushed out as the sinus heals from the bottom. If on removal of a tube the discharge is found to increase in quantity, the tube must be reintroduced. As the incision into the abscess is merely large enough to admit the tube, there would be no reason for using protective ; and therefore the wet gauze is applied directly over the orifice of the tube. A tube is the only form of drain suitable in these cases. The precautions required in order to ensure an aseptic result are precisely the same as in the case of wounds. In changing the dressings the same rules are followed as were formerly described with regard to incised wounds. Chronic abscesses, more PS]>ecially abscesses connected with diseased bones, are extremely tedious ; but nevertheless, as a rule they ultimately recover. The same care must, however, be taken from first to last. It is never safe to change the carbolic dressing for a boracic one, however superficial the wound ap- pears to be. In the case of spinal abscesses absolute rest in the recumbent posture must be maintained till healing is com- plete ; and as the cases generally extend over many months it is well to warn patient and friends before commencing to treat the case. Whether the rule as to the maintenance of the recumbent posture may not be modified by the use of Sayre's jacket, or even without it, is now a question. Lately in two cases which had been under treatment for a long time, and in which all uneasiness in the spine had passed off, Mr. Lister allowed the patients to get up before healing was complete, and without any bad results. Empyema does particularly \sv\] under this dressing. I 112 ASEPTIC SUllGERY. mention it, in order to state that a metallic drainage tube with a shield like a tracheotomy tube, and with lateral holes, is the best because the india-rubber tube may get compressed between the ribs or be too abruptly bent where it passes into the interior of the pleural cavity. There are some cases in which neither the gauze dressing nor the boracic can be employed, but which may nevertheless be treated aseptically. I refer especially to abscess in the perineum or by the side of the anus. Abscess in the perineum may be treated aseptically with very satisfactory results. The abscess is opened under the spray, and a piece of lint dipped in 1-5 carbolic oil or 1-10 carbolic glycerine is introduced into the cavity to act as a drain. Outside this two or three layers of lint soaked in 1-5 carbolic oil or 1-10 carbolic glycerine are applied, and fixed with a T bandage. Should this become displaced or wet with urine, e^c, the patient pours a little carbolic oil or glycerine over the wound and over the lint, and replaces the dressing. No spray is required in changing the dressings. On the third day a piece of lint dipped in carboHc oil is laid over the wound, and a pair of oiled forceps is slipped under the lint to seize and with- draw the plug ; or the plug may simply be pulled out under the spray. Carbolic oil or glycerine 1-10 is then used for dressino-, and when the wound has become superficial boracic or salicylic ointment is employed. The same method of dressing is employed in abscesses beside the anus. In this case, when the patient defsecates, he holds aside the dressing, defeecates past it, wipes the parts with 1-20 carbolic lotion and then with 1-10 carbolic oil. He then soaks the dressing with the oil, or applies a new dressing. (The glycerine and carbolic acid may also be used.) The result of this method of treating these abscesses is often excellent, fistula in ano being apparently often avoided when the abscess is taken in time. So much for wounds made by the surgeon and their treat- ment. I now come to the consideration of tuounds 'produced accidentally. Here the problem is different from and much more difficult than the former. In the cases we have just WOUNDS PRODUCED ACCIDENTALLY. 113 been considering we had merely to keep out the septic particles ; in the present instance these particles have already gained admission, and therefore we have not only to prevent the entrance of more but also to destroy those ah'eady present. This is done by washing out the wound with 1-20 carbolic lotion, provided it be recent, i.e., made within twenty-four hours, and then treating it like a wound made by a siu-geon. This washing out of the wound must be done very thoroughly. It is best carried out by using a syringe with a catheter attached to it. The point of the catheter is intro- duced into all the recesses of the wound and the 1-20 lotion is injected through it, and thus comes thoroughly in contact with all parts. There must be no attempt to distend the cavity, as, for instance, by shutting the orifice of the wound around the syringe, for the fluid might be forced into the cellular tissue and lead to inflammation or even sloughing. The opening must be left perfectly free and enlarged if necessary. Should there be any shreds of tissue, they had better be cut off, and if there be much dirt ground into the tissue, it must be got rid of by means of a nail brush. The injection and the subsequent procedures are carried out under the spray. If the wound was made twenty-four to forty-eight hours before being seen, a stronger solution is employed, viz., the 1-5 spirituous solution. This is used in the same way as the other. Having thus got the wound pure the question of stitching it up arises. The answer to this question varies according to the parts injured. As a rule, in injury of the soft parts, a drain is introduced, and the same accurate stitching employed under the spray as was described on a former page. More especially is this the rule in scalp wounds, where most brilliant results maybe obtained by the use of catgut drains and accurate stitching. The rest of the treatment is the same as in ojiera- tion wounds. Where the wound is much contused, the same rules apply as to purification, but it must not be stitched up. After purifi- cation a drainage tube is inserted if necessary, the wound is lefto],)en, a piece of protective is placed over it, and the dressing applied in the usual manner. 1 114 ASEPTIC SURGERY. I have mentioned the methods to be employed when the womid is seen within the first forty-eight hours. It may be, however, that it does not come under notice till putrefaction already exists. In this case it may be purified by the intro- duction of iodoform suspended in water by the aid of ;dcohol, or if superficial, by stuffing it thoroughly with lint dipped in 1-5 carbolic oil. This dressing repeated for several days generally converts it into an aseptic wound. In most cases it is best to apply iodoform or the chloride of zinc solution. Certain special wounds call for attention. Compound fractures are the wounds in which this treat- ment was first applied, and in which excellent results can be obtained. There are a few special points to be noted. In purifying the wounds great pains must be taken. Any dirt • must be carefully scraped or scrubbed out. All blood clots ought to be turned out as completely as possible. The ends of the bones are cleaned, and if they cannot be returned or got to fit, portions should be sawn off. The ends may be tied together with silver wire. The parts ought to be well kneaded as the carbolic lotion is injected through the catheter, in order to diffuse the lotion as much as possible into all the recesses of the wound. No stitches are inserted, but on the contrary, free drainage by tubes is used. The same sort of dressings and apparatus are employed as in excisions. Wounds involving tendons, nerves, or muscles, are treated in the same manner as others, and the ends of the divided muscles, tendons, or nerves, ought to be stitched together with catgut, and the position of the part so arranged as to avoid dragging on these stitches. Wounds of joints are very imj^ortant. When recent no operation (excision or amputation) is required in the first instance. As a rule the joint may be saved, and perfect move- ment obtained by washing it out very thoroughly with carbolic lotion 1-20. The wound in the joint is enlarged if necessary. Where several hours have elapsed since the accident (more than eight or ten hours), it is well to employ the sj)irituous solution. A drainage tube is introduced into the joint, but no stitches are used. After a few days, when the discharge has diminished, SPECIAL WOUNDS. 115 the drain is removed. In about three weeks, or earlier, passive motion ought to be begun, otherwise the adhesions outside the joint may become so strong as to require to be broken down under chloroform. Compound fractures of the skull are treated in the same manner as compound fractures elsewhere, purification being attempted with 1-20 carbolic lotion. The dm-a mater may be freely dealt with without fear of inflammation, for the irritation of carbolic acid is only very transient. Bleed- ing vessels are secured by catgut. Should one of the great sinuses be wounded, a graduated compress of catgut arrests the haemorrhage satisfactorily. This I have known to act very well in a case of woimd of the longitudinal sinus, occurring during the operation of trephining over the seat of an old injury. Wounds penetrating the thoracic cavity are much more difficult to treat. Should the wound penetrate the lung, and should the lung protrude, the exposed parts and those around are purified with carbolic lotion 1-20. In deciding as to the returning of the injured lung and the stitching up of the wound, the surgeon must be guided by the circumstances of the par- ticular injury. In some cases, if the wound in the lung were superficial, the edges of the divided visceral pleura might be stitched together with fine catgut, the lung returned, and the external wound closed. Where a large bronchus is injured it might be better practice to leave the limg in the wound, and leave the wound open. Where there is merely a wound of the parietal pleura, and where the lung is not wounded, the external wound only is purified and is closely stitched, in the hope that union by first intention may occur, that the air may be absorbed, and that any septic dust present in the pleural cavity may be unable to cause mischief. Wounds of the abdomen are variously treated, according as there is or is not protrusion of the contents. Where there is no protrusion, and where there is no reason to suspect injm-y of the viscera, the external wound ought to be purified and closely stitched, so as to get primary union throughout, no drain being used. Where the intestines protrude, they ought to be carefully 116 ASErriC SURGERY. bathed in warm carbolic lotion 1-30 or even 1-20, and if there be no injury of them in any part they may be returned. If they are cut, the gut may be stitched with catgut by the glover's suture. If the omentum protrudes, opinions vary as to the treat- ment. When it can be returned do so after thorough purifica- tion, and then stitch the abdominal walls, including the perito- neum, close together. Where, from adhesion or other sufficient cause, this cannot be done, or where the omentum is very dirty, I should, from a research into the consequences of un- . returned omentum by Dr. Kenneth McLeod, of Calcutta, con- sider it the safest practice, especially in the case of a person with strong muscular parietes, to stitch the deepest parts of the omentum to the deep part of the wound, cut off the remainder and close the skin over all. If internal haemorrhage is going on, apparently from the mesenteric vessels, the wound may be enlarged and the bleeding point sought for. Simon advised that in bleeding from the kidney, the injiu-ed organ should be excised ; this suggestion was never put into practice, but nevertheless it is one well worth bearing in mind. Such are the chief points to be attended to in recent wounds ; there remains for consideration the class of cases in which putrefaction has been present for a long time. I refer to cases of putrid sinuses, generally connected with diseased bones or joints. An attempt may be made to purify these during the course of an operation, and sometimes when the sinuses are few and uncomplicated, and where all the dead bone is removed, this attem})t may be successful. The sinus is scraped out with one of Volkmann's sharp spoons (Fig. 56), and all the granulation tissue, as far as possible, removed. The raw surface of the sinus, &c., is then washed out with the chloride of zinc solution, which is applied thoroughly to all parts, and a gauze dressing is used, in the hope that putre- faction has been thus eradicated. The spray should be employed during the whole procedure. If this is successful, well and good. If not, boracic oint- ment (at first full strength, afterwards half) or salicylic oint- TREATMENT OF BURNS. 117 ment, covered with boracic lint, is the best dressing, indeed, it is the best dressing in all cases where strict aseptic measures are inapplicable. The aseptic treatment of burns varies according to the degree and extent of the injury. In any case, unless where the burn is very extensive and where the parts are extremely dirty (necessitating scrubbing of the surface and consequent shock, and also risk of carbolic poisoning), an attempt should be made to purify the surface with 1-20 carbolic lotion. This having been done, if the surface is small, boracic ointment (full strength) and boracic lint form a convenient dressing. When the extent of the burn is greater, wet boracic dressing (wet boracic lint used as water dressing — covered by gutta-percha Fig. 56.— Two foejis op sharp spoons, a large round one akd a small oval one. tissue or macintosh) is the most suitable. The wet boracic dressing is also applied in those cases where, on account of the extent of the burnt surface and the amount cf dirt, purification with carbolic acid is not advisable. Where the surface is thoroughly charred and where the wound is not very extensive, boracic ointment or carbolic oil 1-10 are the best dressings. The objection to carbolic oil, which was formerly used in all cases, is that, when the surface is large, there may be a fatal absorp- tion of carbolic acid. In the after-treatment the sores are dressed with boracic dressings (protective and boracic lint, or better, in the first instance, boracic ointment) just as in the case of ulcers. The rules as to the treatment of gangrene are altered in 118 ASEPTIC SURGERY. aseptic surgery, and this is more especially the case with senile gangrene. Should symptoms of senile gangrene set in, say in the lower extremity, the skin of the foot, toes and leg, are thoroughly cleansed with 1-20 carbolic lotion. This must be done very efficiently. All the folds about the nails, &c., must be carefully cleansed and washed. This having been done, the whole limb and foot are enveloped in a large mass of carbolised cotton wool (carbolised in a 1 per cent, ethereal solution of carbolic acid). This being pure in its substance, and being applied over a pure surface, completely shuts out causes of putrefaction. The carbolic acid soon flies off, and then the cotton wool acts simply as a filter, while it protects the part from unequal pressure and retains the heat. This may be kept on for any length of time, and so long as discharge does not extend to the surface or the gangrene above the limits of the dressing, the part remains sweet, and very often the gan- grene, which in the first instance threatened to involve the whole leg, becomes limited, and there may even be merely a small cutaneous slough. In any case, as a rule, the gangrene does not go on spreading as it does when treated in the usual manner, and for this reason : — Suppose that the part is not treated aseptically, the tissue at the edge of the dried gan- grenous mass becomes putrid, the living tissue in the neigh- bourhood is very weak, the putrid material acts on it like a caustic, destroys its vitality or excites an inflammation which kills it, and so the gangrene goes on spreading, till at length parts are met with of sufficient vitality to resist this action of the putrid materials. Then a line of demarcation is formed. On the other hand, when the gangrenous parts are not putrid, the weak parts in the vicinity, which would to a certainty have died in the former case, retain their vitality and gain strength. Thus also the rule of never amputating in senile gangrene, except to trim a stump formed naturally, is done away with, and it is generally better to amputate as soon as it is clear to what extent the tissue is dead, rather than to subject the })atient to the continual pain and irritation arising from the presence of the dead piece. The same reasoning a])plies to cases of traimaatic spreading gangrene. This is only one instance of how completely many current ideas as TREATMENT OF N.EVI, ETC. 119 to surgical pathology and treatment are reversed, when means are taken to render the dust of the atmosphere inert before it reaches a wound. In treating nasvi great benefit is obtained from the in- jection of pure carbolic acid. The na3vus is first thoroughly- cut off from the circulation by ligatures tightly applied around its base, and then half minims of pure carbolic acid are in- jected into various parts of the tumom-. Ten minutes or so having been allowed to pass, in order to ensure com])lete and firm coagulation, the ligatures are divided and removed, and the punctures are touched with collodion. The surface being left completely dry, any slough which forms becomes absorbed or separates as a crust after some time, the part beneath being found to be a scar. The same method answers excellently in the treatment of varicose veins. A tourniquet having been firmly applied around the upper part of tlie limb in order to arrest the circulation, the vein is punctured at various parts, and half minims of car- bolic acid are introduced into it. The tourniquet is kept on for ten minutes after the injection is completed. Coagulation and a slight degree of inflammation are thus induced, but this, so far as I have seen, never goes to any dangerous extent, and is followed by at least temporary cure. I have not known any case return with reformation of varicose veins. A dissection or post-mortem wound does not give rise to bad results if the wound be instantly purified with 1-20 car- bolic lotion. 120 ASEPTIC SURGERY— MODIFICATIONS. CHAPTER VI. ASEPTIC SURGERY — MODIFICATIONS. Country practice : Hoiv to dispense, with the sjjray diinng the operation — and during the after-treatment : How to render the dressings less frequent. Is the aseiDtic method applicable in war? Mr. Lister's svggestions : Esmarch''s2)lan : Reyher's method. Development of Aseptic S>Trgery in ]Mr. Lister's hands : Conipoimd fractures — Pure carbolic acid — Formation of crust — Carholic p%dty — Lead plaster — Lac plaster, syringing wounds with carVolic lotion, protective, catgut ligat^ires, method in 1870 — Present method in tlis main introduced in 1871 — Fwther introduction of wet gauze, steam spray, elastic bandages : abscesses — Method of opening them under carbolic oil : wounds. Such are the methods usually employed in carrying out the Listerian principle in hospital or in private practice. It is, however, said to be difficult of application to country practice, and we must therefore enquire in what way it can be made easier. The difficulties urged are that the spray is too heavy to carry : that it is not always easy to return a long distance to see a patient on the day after the operation, and that the dress- ings are too expensive for the lower classes. We must there- fore, in some way or other, render the dressings very infrequent, so as to avoid expense and unnecessary visits, and we must try to dispense with the spray. In the first instance in going to perform an operation or to treat a wound, the surgeon takes instruments with him, and he may, without any additional trouble, easily add a spray to the contents of his bag, and this spray may be left at the patient's house, and brought home again after the first dressing. But, suppose the surgeon has not a spray at hand. What is to be done ? Well, he must use all the other i)recautions before described, and wash out the wound frequently with 1-40 carbolic acid lotion during the operation, and while the stitches MODIFICATIONS FOR COUNTRY PRACTICE. 121 are being inserted ; and then, before the piece of wet gauze is applied, he may distend the wound with the same lotion, the wet gauze being applied while this is still flowing out. At the same time I caimot see that, in the great majority of cases, it can be any great hardship to carry a spray to an operation. During the after-treatment a spray is not necessary. The spray may be rendered unnecessary diuring the after-treatment in two ways. In the case where catgut stitches and catgut drains are used a deep dressing may be applied at the time of the operation, and may never require to be changed. This deep dressing is fixed down in some way or other, and is treated as a wound, the gauze being soaked with carbolic lotion every time the superficial dressing is removed, and then a piece of wet gauze larger than the deep dressing, and the general dressing are applied. Should it be necessary to remove the deep dressing, there is no necessity for the spray, if catgut drains be used, because there is no cavity into which air may pass. The deep dressing having been removed, carbolic lotion is allowed to flow over the wound till a guard is applied. Where a tube is used it is more difficult to do without the spray, for in that case there is an open orifice into which dust may fall, and be sucked into the interior of the wound, and further, when the tube is removed, air must enter to take its place. This may be avoided by the use of a syringe which constantly keeps a stream of carbolic acid lotion passing over the wound and over the drainage tube, till a fresh dressing is applied. Should it be necessary to remove the tube it is well, in addition to this constant flow of lotion, to cover the orifice of the tube with a rag dij^ped in the antiseptic lotion. The best way is to take a guard soaked in carbolic lotion and folded in several layers, and place this over the orifice of the drainage tube, extending on each side of it for a considerable distance. The tube is now seized with a pair of forceps through this rag, and as it is pulled out the rag is carefully tucked in around it, so as to compel the air, as it passes in to take the place of the drainage tube, to traverse the moist guard. This seems to me better than the method of slipi)ing in forceps under the guard and pulling out the tube, the guaid being well pressed down on it. In taking out wire or silk stitches, the 122 ASErilV SURGERY— MODIFICATIONS. guard is pulled aside so as to expose the stitch, a little carbolic lotion is then dropped over the suture, and as the latter is withdrawn, a few drops of the lotion are applied to the orifice of the puncture. These methods — the use of catgut stitches and catgut drain, and the employment of a permanent deep dressing, together with the hints in cases where a drainage tube or non- absorbable stitches are employed, suffice to render the operator independent of a spray. Can we now render the dressings less frequent ? This may of course be done to a certain extent by applying a larger amount of gauze, but the best way is to use sponges in the interior of the dressing for the purpose of absorbing and retain- ing the fluid. The deep dressing having been applied and fixed, a large sponge or several small ones are placed outside it, these sponges having just been wrung out of carbolic lotion ; outside the sponges and extending well beyond them is a piece of wet gauze, and then the masses of loose gauze and general gauze dressing. In this way the discharge is retained in the interior of the dressing, and of course so long as it is there, and so long as the discharge has not reached the edge of the dressing, it is as safe from putrefaction as if it were in a pure flask. By the use of these sponges several days may be allowed to elapse, in many cases, before the first dressing is changed, though it is well in every case to change the first dressing on the day after the operation. When the dressing is changed these sponges are squeezed thoroughly, washed in carbolic lotion 1-40, and reapplied. By the use of sponges two or three dressings suffice for the treatment of most operation wounds. By the use of salicylic jute in large masses, the same avoid- ance of frequent dressings may be obtained, but this material is not very trustworthy as an antiseptic. Thoroughly purified cotton wool, which may be obtained cheaply by impregnating it with sulphurous acid fumes, ap- plied in large mass may prevent the necessity of frequent dressing. By the means described, the difficulties in the way of the adoption of this system in country practice may be overcome. APPLICATION IX JVAP. 123 and instead of causing additional expense to a poor patient, it saves expense in many ways. The dressings required are so few that the price of the materials employed is not greater than that which would be necessary even if water dressing were used ; and expense is saved in many other ways, as I shall mention in the latter part of this work, notably in the rapid healing, which is of course of the greatest consequence to the bread winner. Is the Aseptic method applicable in War"? In the 'British Medical Journal ' for September 3, 1870, Mr. Lister describes a method for the use of army surgeons. He suggests that the wound should, as soon as possible after the injury, be thoroughly washed out with 1-20 carbolic lotion, the smTounding skin being at the same time purified. Bleeding vessels are secured by catgut, by torsion, or by car- bolised silk. While the wound is full of lotion, extract the bullet, clothes, &c. Then cover the wound with two or three layers of oiled silk, smeared on both sides with carbolic oil 1-5. Over this apply layers of lint soaked in the 1-5 oil. overlapping the oiled silk for about three inches in every direction, and about a quarter of an inch in thickness. This is covered with gutta-percha tissue, and the whole is fastened on with a bandage soaked in carbolic oil. This is the permanent dressing. Out- side this, another and larger dressing of oiled lint covered by gutta-percha tissue is applied daily. During the first day apply fresh oil to the outer cloth once in six or twelve hours. On the following day the outer dressing is changed, carbolic lotion being introduced under the edge, as it is lifted, by means of a syringe ; or carbolic oil may be poured in. After the first dressing use the 1-10 oily solution, and later the 1-20. On the second day oil is only applied once in twelve hours, after that it is applied daily for five or six days, and then once in two days. Jn compound fractures use a wire splint next the deep dressing, and apply the fresh superficial dressings outside the wire. This s})lint need not be removed till union is complete, the oil being merely poured between the meshes when the dressing is changed. 124 ASEPTIC SURGER Y—MODIFICA TIONS. APPLICATION IN WAR. 125 Esmarch, in Langenbeck's ' Archiv,' vol. xx. p. 171, proposes another plan of treatment. He points out that the new form of bullets passing quickly through the clothes may not carry into the wound any causes of putrefaction. Therefore, if the wound is not examined by dirty fingers or instruments, and if it be seen at once, it may in most cases be regarded as aseptic. Starting on this prin- ciple, he suggests that each soldier should be provided with tampons of salicylic cotton, wrapped in salicylic gauze. Fig. •57 represents the contents of the packet of dressings which Esmarch proposes to supply to each soldier. At the front, when there seems any possibility of saving the limb, these tampons are introduced into the openings, and bandaged on without any preliminary probing or examination of the wound. Any other necessary apparatus is applied, and the patient sent to the rear. At the rear the skin around the orifice is purified with some antiseptic lotion, and if there is any necessity to explore the wound, as for removing bullets, splinters, &c., the tampon is removed under the spray, the wound washed out, and an antiseptic dressing applied. If there is no necessity for exploring the wound, the skin is merely purified, and then a mass of salicylic jute or other antiseptic material is applied without disturbing the tampon. If putrefaction occurs later the wound must be enlarged, and an attempt made to purify it. Conservative surgery being more a})plicable with the aseptic method, the necessity for primary amputation at the front is less frequent, and as a rule exists only in the case of sjnashes from large balls. Esmarch considers that for such cases a sutficient supply of antiseptic materials should be present in the am- bulance. Referring to those cases not treated aseptically which do well, and to the evils of investigating the wound at the first, Esmarch says : ' So weit ich habe in Erfahrung bringen kon- nen sind diejeningen Kalle, welche asei)tisch verliefen, auf dem Schlachtfelde nicht mit dem Finger griindhch untersucht, sondern gleieh verbunden worden, wahrend solche Falle bei denen wiederholte Untersuchungen vorgenommen waren, mir oft einen besonders schlimmen Verlauf zu iiehmen schienen.' Esmarch's method has been put to the test by Dr. Reyher ]2G SEPTIC SURGERY— MODIFICATIONS. during the late Kusso-Turkish campaign. His results were excellent, and will be referred to later on. He carried out the aseptic method in two ways, according to the nature of the injury and the treatment before the case came into the sur- geon's hands. These are, either that the surgeon closes the wound without further treatment, merely disinfecting the sur- rounding parts, or else that he cleans out and purifies the track of the bullet, and afterwards makes provision for free aseptic drainage. In the first instance healing occurs under a crust ; in the second, under a moist and antiseptic dressing. The cases which are suitable for the first method of treat- ment — treatment by a crust — are those in which the wound is small, where no clothing has been carried in with the bullet, where the edges of the wound fall together as where the wound is more or less valvular, and where no examination of the wound by finger, probe, &c., has been made. In such a case the surrounding skin is carefully purified, and an attempt is made to obtain a dry crust either by allowing the blood to dry, or by aiding the drying by applying charpie, gauze, &c. ; or the wound may be covered by a mass of salicylic wool or carbolic gauze. Keyher lays particular stress on the avoidance of probing or draining such wounds. On the contrary, any communication with the outer world should be shut off as soon as possible. In many cases this ' occlusion ' of the wound cannot be depended on, and the bullet track must be washed out, and treated in the way described under compound fracture, free drainage being carefully provided. This is chiefly the case where the missile has been travelling slowly, and where, conse- quently, the wound in the skin is not so small nor valvular, and where there is more likelihood of articles of dress being carried in with it ; where, also, as Eeyher puts it, the wound is open and ' the air has not only entered but must enter again.' This treatment is also necessary in cases where wounds have been examined with unclean fingers or instruments before reaching the ambulance. It is thus evident that the spray is not required for the majority of cases, and indeed by following the lines previously indicated it may be entirely dispensed with. The gauze re- ATTLICATION IN WAR. 127 quired for the dressings can be made in the vicinity, and for this purpose Eeyher carried with him the machine for making gauze described in Chapter III., and had thus a constant supply of the freshly-prepared material. There is not much difficulty, therefore, with regard to the materials ; the real question is how to have the cases treated aseptically from the very first. Eeyher was able to overcome these difficulties by proceeding in the following manner. In the first place, instructions were given that wounds were never to be examined at the front, either with fingers or instruments, nor was any attempt to be made to extract a bullet. The only exceptions to these rules were cases where blood-vessels were injured, though even in these it was generally possible to apply an Esmarch's elastic band to control the haemorrhage temporarily ; and cases where the projectile had passed into the large cavities of the body, and, without wounding the contents, had remained in the wall of the cavity. In such a case the bullet ought to be extracted at once, lest it should fall into the cavity during the transit of the patient. ' For surgeons at the front there is only one line of treatment — to occlude the wound provisionally — to lay the wounded part in a suitable position on the litter, and to render it provisionally immovable. As provisional dressing the sali- cylic balls recommended by Esmarch are the best.' This method is chiefly suitable for cases where the soft parts alone are injured. ]Most of the serious cases can be attended to as a rule at the foremost ambulance. The more surgeons become imbued with the true principles of aseptic surgery, and the more thoroughly they grasp anti- septic surgery in all its developments, so much the greater is the likelihood of obtaining aseptic results. Reyher's results show strikingly what can be done with the methods at present at our disposal. There can be no doubt that with improved methods and increased knowledge and experience, aseptic surgery will soon be universally carried out in war.' It will be interesting now to trace the gradual development ' For a resume of the opinions of army surgeons on the best methods of carrying out aseptic surgery in war, see a little pamphlet by Surgeon- Major H. Melladew, Xvtcson Antincptie Surgery in War. London : Ilanken ."v Co. 1881. 128 ASEPTIC SURGERY. of this system in Mr. Lister's hands. This will not only be interesting but instructive, as showing how aseptic surgery may be carried out in circumstances where spray, gauze, &c., cannot be obtained. • The first cases in which the treatment was tried were com- pound fractures, and the first attempt recorded by Mr. Lister was made in March 1865. This attempt was imsuccessful, as Mr. Lister subsequently believed, from mismanagement.^ The next case was a compound fracture of the tibia, caused by the wheel of a waggon passing over the leg. The external wound in this case was 1^ inch long, and | inch broad. A piece of lint dipped in carbolic acid (which was at that time only got as an impure liquid known as German creosote) was placed upon the wound. Four days later this lint was removed, and the wound dressed with lint soaked in water in which this im- pure carbolic acid was diffused. Five days afterwards a solution of one part of carbolic acid in from 10 to 20 parts of olive oil was used for four days, and then ordinary water dressing was resorted to. The aim in this case was to form a crust consisting of lint, carbolic acid, and blood, which would protect the deeper parts from putrefaction. In this instance, however, the scab came off on the fourth day, and in order to avoid this occurrence, Mr. Lister, in his next cases, applied a piece of lint dipped in pure carbolic acid as before, large enough to overlap the sound skin for a quarter of an inch all round, and covered with oiled paper, applying for the first four days outside this arrangement a piece of lint soaked in pure carbolic acid. The crust was left untouched till the eleventh day, and then water dressing was used. It now became evident that, owing to the volatility of the carbolic acid, means were required to prevent its evaporation. Accordingly, in the next cases a layer of sheet lead or of block fin was applied outside and overlapping the crust. Up to this time there was no attempt made to purify the interior of the wound in the first instance. How was it, then, that no putreftiction occurred ? Probably for the following reasons. It may have been that no septic particles had got ' See numbers of the Lancet for 1867. ITS DEVELOPMENT. 129 into the interior of the wound because the blood flowing con- stantly out would prevent the entrance of solid particles, which would thus only be present if dirt was introduced at the time of the accident, or if much movement of the fragments oc- curred afterwards, with consequent introduction of air. Further, if any septic particles were present they may not have been able to produce any effect in the presence of healthy living blood clot. (This will be discussed hereafter.) Lastly, the strong carbolic acid, though appKed only to the surface, rapidly spreads into the interior even to a depth of one or two inches. The necessity for pmifying the deeper parts of the wound soon became evident. A case was admitted in which, when the tissues around the wound were pressed, bubbles of air escaped along with the blood. Here Mr. Lister squeezed out as much of the clotted blood and air as he could, and then applied a piece of lint dipped in pure carbolic acid, slightly larger than the wound, and over this the piece of block tin. The crust was daily painted with carbolic acid, the tin cap being reap- plied on each occasion. This treatment was continued for three weeks. This purification of the deeper parts was carried out more thoroughly in the next case, in w^hich it was necessary to saw off a portion of the ulna, and here the whole of the interior of the wound was swabbed out with pm-e carbolic acid. In this case Mr. Lister first became acquainted with ' antiseptic sup- puration,' i.e. su})puration due to the irritation of the anti- septic applied. (The evil effects of the piure caustic carbolic acid in causing excoriation of the skin had been already noticed.) Finding that no harm resulted from the free application of pure carbolic acid to the interior of the wound in the last case, the next which came under notice was more thoroughly treated, the contused parts being well manipulated and squeezed, so as to induce the liquid carbolic acid, which was introduced, to penetrate into all the interstices of the wound. At a later period, in order to permit cicatrisation, the crust was chpped away around the margin, and a solution of sulphite of potash (5 grains to the ounce) applied. K 130 ASEPTIC SURGERY. In future, the method of introducing strong carbolic acid into wounds by means of a piece of lint soaked in the undi- luted acid, held in dressing forceps, was adopted. The blood clots were as far as possible removed. In order to obtain a more substantial crust and one less likely to be detached, in cases where there was too little blood, a paste was made use of, composed of starch, moistened with carbolic acid placed outside a piece of calico soaked in pure acid, and applied next the wound. As a rule, however, there is enough blood to form a substantial crust if several layers of calico are used. A great risk of putrefaction was all along experienced, owing to the fact that the pure acid could not be made to overlap the skin around the wound because of the excoriation caused by it. This risk was especially great in the first twenty-four hours, during which there was a profuse flow of blood and serum. Hence attempts were made to obtain some sort of dressing containing the acid in a more diluted form, and the first-fruits of these attempts was the formation of various pastes, of which the chief was long known as carbolic putty. This consisted of a 1 in 5 solution of carbolic acid in boiled linseed oil mixed with common whiting (CaC03), to the consistence of a firm paste or putty. This was then spread on a sheet of block tin, forming a layer of about a quarter of an inch in thickness. A piece of lint dipped in 1-5 oily solu- tion was retained permanently next the wound so as to prevent its exposm-e during the changing of the dressings. The whole dressing was firmly fixed down by means of a continuous series of strips of plaster, which, however, were absent at the most dependent part, so as to allow the escape of discharge, which was received on a towel. After some time it was found better to apply this putty between two layers of calico, and then the block tin outside all. The advantages of this dressing are : the tin applied out- side prevents the escape of the carbolic acid, the acid in the putty is just sufficiently diluted not to excoriate the skin, while the paste serves as a reservoir for the acid during the interval which elapses between the changing of the dressings, the dis- charge, as it flows out beneath the putty, taking up only a ITS DEVELOPMENT. 131 certain amount of the acid in its course. If necessary the strength of the acid in the putty may be reduced. Its disadvantages are that it is clumsy and inconvenient to manipulate, and that it is very apt, when subjected to move- ment, to crumble away, and thus become an uncertain dress- ing. Attempts were therefore made to improve it, and recourse was had to various forms of plasters. The first of these was the lead 'plaster,^ The following is the mode in which this is prepared : — Take of olive oil 12 parts by measure „ ,, litharge (finely powdered) 12 parts by Aveight „ „ beeswax 3 „ „ „ ,, „ crystallised carbolic acid 2^ ,, ,, „ Heat half the oil'over a slow fire ; then add the litharge gradually, stirring constantly till the mass becomes thick or a little stiff. Then add the other half of the oil, stirring the mass as before, till it becomes thick. Then add the wax gradually till the liquid again thickens. Remove from the fire and add the acid, stirring briskly till thoroughly mixed. Cover up close and set aside, and let the litharge settle, then pour ofi" the fluid and spread on calico. The large quantity of litharge in this mixture was introduced for the purpose of preventing the melting of the plaster at the temperature of the body. The wound was dressed with layers of lint soaked in car- bolic oil, and this dressing was covered in all directions with the plaster. This plaster was renewed daily. As with the putty, so here, the deep dressing was apt to be- come displaced, and therefore Mr. Lister used lead plaster as the outermost layer of the deep dressing, in the hope that it would adhere to the skin and prevent lifting of the edges of the dressing. In order to prevent the outer layer of the plaster from sticking to this inner portion, a piece of calico moistened in the watery solution was interposed. But though the plaster does very well for the outside layer, it does not do for the permanent dressing, for it allows the watery solution from the calico to soak through to the wound beneath. At the same time this deep layer, not having formed a crust, is apt to shift its place, and to leave the wound more or less exposed. ' Brit. .Vrd. JiniriKil. Octolicr ;>!, 1878. K 2 J32 ASEPTIC SURGERY. Mr. Lister accordingly tried other sorts of plaster, and at length in shell lac he seemed to have found all that he wanted. This lac mixes in any proportion with carbolic acid, and is more or less fluid or tenacious, according to the quantity of acid present. The shell lac parts but slowly with its acid, and thus forms a good dressing. It is, however, very apt to stick, and in order to prevent this Mr. Lister interposed a layer of gutta- percha between it and the skin. The carbolic acid passes through the gutta-percha with extreme readiness, while the latter prevents the lac from sticking to the deeper parts. Gutta-percha tissue, however, proved apt to crack, and then the discharge got between it and the lac plaster, and thus the fluid beneath it received but little carbolic acid. Hence the same result happens with this cracked gutta-percha as when protective extends to the edge of the dressing — viz., a deep layer of the fluid is more or less protected from the action of the acid, and putrefaction can spread inwards. After several experiments he ultimately employed a solution of gutta-percha in bisulphide of carbon to brush over the surface of the lac plaster. The following is the method of preparing the plaster : — * Take of shell lac ...... 3 parts „ „ crystallised carbolic acid ... 1 part ' Heat the lac with about one-third of the carbolic acid over a slow fire til] the lac is completely melted, then remove from the fire and add the remainder of the acid, and stir briskly till the ingredients ai-e thoroughly mixed. Strain through muslin and pour into the machine for spreading plaster, and when the liquid has thickened by cooling to a degree sufficient, spread to the tliickness of one-fiftieth of an inch. Afterwards brush the surface of the plaster with a solution of gutta-percha in about 30 parts of bisulphide of carbon. When the bisulphide has all evaporated the plaster may be piled in suitable lengths in a tin box without adhering, or rolled up and kept in a canister.' For the permanent dressing in compound fracture adhe- siveness is wanted, and this is obtained by rubbing off the gutta-percha and brushing liquid carbolic acid over the surface. At this time (1868) the necessity for protecting the healing l)arts from the direct action of the carbolic acid was beginning ITS DEVELOPMENT. 1^3 to be recognised, and Mr. Lister first speaks of the use of block tin or sheet lead as a protective. At the same time, having obtained a pmrer carbolic acid soluble in water, he gives up the application of the pure acid to the interior of the wound in compound fractures, and syringes it out with a solution of 1-20 instead. In the 'British Medical Journal' for March 19, 1870, a description is given of the method then used. The wound was in the first instance thoroughly syringed out with 1-20 carbolic lotion. Then oil silk covered with a layer of dextrin was applied iu one or two layers, and outside this the lac plaster. If much discharge was expected lint or a towel was placed outside the lac piaster in order to absorb the discharge. Where the dressing was left undistui'bed for a week two layers of plaster were used. Where a small piece of lac plaster was applied as a deep dressing, and where consequently the gutta-percha was rubbed off to allow the plaster to adhere to the skin, the gutta-percha was left at one part so as to afford a channel for the escape of discharge. In changing these dressings a solution of carbolic acid 1-20 was thrown over the wound by means of a syringe, as the dressing was raised, and then a guard soaked in the lotion was applied. In 1869 catgut ligatures were introduced. The objections to the lac plaster are that the discharge putrefies outside the plaster and irritates the skin, that the lac keeps the surface beneath it moist with what is really a film of watery solution of carbolic acid, and this again makes its way under the protective and irritates the woimd. Very shortly after the use of the aseptic method in the treatment of compound fractures it was a})plied to abscesses. The first publication on this subject appeared in the 'Lancet' for July 27, 1867. The method of opening the abscess and of changing the dressings employed with the means at that time at disposal are very important with reference to the question of operating and dressing without a s})iay. A piece of rag dipped in 1-5 carl)olic oil is laid on the skin where the incision is to be made. The lower edge of this rag being raised, a knife dipped in the oil is at once plunged into the abscess, and the rag immediately dropped over the orifice through which the pus is pressed out. A piece of lint 134 ASEPTIC SURGERY. soaked in the oily solution is then introduced into the opening in order to stop bleeding and to prevent it from closing. This is done by slipping the strip of lint under the antiseptic rag. With regard to the dressing, the putty is here described and used outside a deep dressing of carbolic oiled lint, a layer of calico being interposed between the putty and the deep dressing to prevent them from sticking together. The putty is changed once in twenty-four hours, or oftener if necessary. In doing so a rag dipped in the oily solution is placed over the wound or the deep dressing the instant the old putty is removed. If a plug of lint has been introduced in the first instance it is after a time (two or three days) withdrawn by pushing oiled forceps under the piece of oiled rag, seizing hold of the plug and pulling it out, the oiled rag being pressed thoroughly around the forceps. If a probe is introduced it must be oiled and then slipped in between the folds of the oiled rag. As the various means described under compound fracture were introduced they were applied to abscesses on the principles already described. The first example of efficient aseptic treatment in the case of wounds published by Mr. Lister will be found in ' The British Medical Journal ' for October .31, 1868,^ The case narrated is one of operation for badly united Pott's fracture. ' On the 11th inst. (April, 1868), the man being under the influence of chloroform, I made a curved incision behind and below the prominent end of the tibia, a solution of carbolic acid in four parts of olive oil being dropped into the wound during the progress of the operation. I detached the soft parts from the bone sufficiently to enable me to insinuate behind the callus one blade of a pair of cutting pliers smeared with the same oil, and then having placed pieces of lint soaked with the oil around the blades of the pliers, so as to prevent the chance of septic air entering the joint when the bone gave way, divided the callus, and at once covered the wound with the antiseptic lint. . . . The wounds were then dressed with a weak oily solution of carbolic acid, and covered with the anti- septic (lead) plaster. Fresh plaster was applied daily.' I need not repeat the various modifications in the treatment ' Reports published during the same year by Drs. Heron and Malloch will be found in the Glasgow Medical Jonrnal. ITS DEVELOPMENT. 135 of wounds, as they are similar to those just described under compound fractures. In the 'British Medical Journal' for January, 1871, JMr. Lister first mentions the gauze dressings, and also refers to the use of oakum. The spray is also tried. In August, 1871, this method has been established, the present protective was com- pleted, and macintosh was substituted for gutta-percha tissue below the outer layer of the gauze. The drainage tube is first mentioned in August, 1871, in the treatment of wounds, though it had been used for a short time previously in the case of abscesses. At that time the piece of gauze next the wound was not wet. It was some two or three years later that the necessity for wetting the deep layer was recognised, and since that time the results have been much more constant. With the introduction of the steam spray, of the elastic bandage, of the improved gauze, &c., there has been a marked improve- ment in results, and the avoidance of putrefaction, in cases where the wound is made by the surgeon, is now reckoned on as a matter of course. 130 ASEPTIC SURGERY. CHAPTER VI r. ASEPTIC SURGERY — {concluded). Other methods of carrying out AsejDtic Surgery. Substitutes for carbolic acid: Salicylic acid: Thymol: Acetate of Alumina: Eucalyjrtiis oil. Aseptic surgery by filtration of the air. Subcutaneous surgery. Such are the essential details of aseptic surgery as introduced and i^ractised by Mr. Lister. The disadvantages arising from the irritating and poisonous qualities of carbolic acid have led some to seek other antiseptics as substitutes for carbolic acid. These attempts have not as yet, however, succeeded in producing any substance possessing so many advantages as that acid. The most successful substitute up till quite recently was salicylic acid, which is used on exactly the same principles, but not with the same constant aseptic results. The use of salicylic acid was first advocated by Professor Thiersch, of Leipzig, and the following is a short abstract of his method of using it. Salicylic acid is chemically nearly related to carbolic acid. Its formula is C^HgOy, differing therefore from that of carbolic acid in containing in addition the atoms of carbonic anhy- dride. (The formula of carbolic acid is CgHgO.) Salicylic acid is not poisonous, but it affects the hands in the same way as carbolic acid. It is absorbed, and may be found in the urine of patients whose wounds are dressed with it. A lotion of salicylic acid is employed. This is a saturated solution of the acid in water at the ordinary temperature, and its strength is about 1 part of salicylic acid to 300 parts of water. Two materials are used as dressings — viz., salicylic wool and saHcylic jute. TREATMENT BY SALICYLIC ACID. ]37 Salicylic wool is cotton wool impregnated with salicylic acid in the proportions of 3 and 10 per cent, by weight. The 3 per cent, wool is made by dissolving 750 grammes of salicylic acid in 7,500 grammes of spirit (83 sp. gr.). This solution is then diluted with 150 litres of water at the temper- ature of 70°-80° C. 25 kilogrammes of pure cotton wool are saturated with this mixture. The 10 per cent, wool is obtained by dissolving one kilo- gramme of salicylic acid in 10,000 grammes of spirit (83 sp. gr.), the solution being then mixed with 60 litres of water. Ten kilogrammes of pure cotton wool are soaked in this solution. This soaking is best done in a large wooden vat, in which the layers of cotton wool have plenty of room. It is best to place only small quantities of wool (two to three kilogrammes) in this vat at a time in order to get an equal distribution of the acid. Thin layers of cotton wool are introduced into the salicylic solution under light pressure, fresh layers being added only when the former have been thoroughly soaked. When the whole quantity has been introduced the mass is turned over, so that the undermost layer becomes the uppermost, and then it is left for about ten minutes, so as to have equable distribution of the fluid. The wool is then taken from the vat and spread out in layers. On cooling, the acid crystallises out, and the layers are made up into small parcels, not exceeding two to three kilogrammes each. After twelve hours this wool is spread out to dry in a moderately warm place. It should not be hung up, lest the acid should become unequally distributed. The 10 per cent, wool is coloured with carmine for the sake of distinction. It is important to note that Thiersch, in speaking of 3 per cent, and 10 per cent, wool, means wool soaked in the solutions of the strength described. The wool does not contain that per centage of salicylic acid. This cotton wool does not absorb fluids readily, and therefore Thiersch now uses jute. This is made from the bark of various species of Corchorus grown in Bengal, and is cheaper than cotton wool, and at the same time more absorlient. It is used of two strengths — 3 and 10 per cent, prepared in the same way as the salicylic wool. 138 ASEPTIC SURGERY. Grlycerine is added to the solution in order to prevent the crystals of salicylic acid from falling out, because they are apt to produce violent sneezing, coughing, &c. In order to obtain the 3 per cent, jute 2,500gTammes of jute are put into a sohition of 75 grammes of salicylic acid, in 500 grammes of glycerine and 4,500 grammes of water at 70°-80° C. In the glycerine jute the acid is more equally distributed than in the cotton wool. In the case of the latter the cotton is frequently so imperfectly charged that it is necessary to place a layer of 10 per cent, cotton next the wound, and then outside this the 3 per cent. wool. In the case of the glycerine jute a 4 per cent, material is sufficient for the whole dressing. As to the spray Thiersch does not care whether it is 1-50 carbolic acid or 1-300 salicylic acid. Carbolic acid is to be jjreferred, because it causes less coughing and sneezing, and it does not adhere to the clothes. Salicylic acid is best in some cases, as it irritates the wound less than the carbolic. For disinfecting the hands and skin, carbolic acid or salicylic acid may be used, but for the instruments carbolic acid must be employed, because the steel becomes oxidised in a solution of salicylic acid. The sponges are washed in carbolic acid. No protective is required, because the salicylic acid is but little irritating. Macintosh is also unnecessary. In order to enable the dressing to peel off and to let the discharge get away more easily a layer of gutta-percha tissue or of oiled silk riddled with holes and covered with a piece of gauze is applied next the wound. This treatment may be illustrated by a case of amputation. The patient having been chloroformed and Esmarch's elastic bandage applied, the part is shaved, washed with soap and water, spirit and turpentine oil, and then with salicylic acid lotion, or with the 1—20 carbolic acid solution. It is also scrubbed with a nail-brush for a few minutes (quite unneces- sary). The operation is carried out with the usual aseptic precautions. After arresting the haemorrhage the wound is TREATMENT BY ^SALICYLIC ACID. 139 closed with deep and superficial stitches. A drainage tube is then introduced into each angle, and the wound is washed out with salicylic acid solution till the fluid which comes out is clear (unnecessary). Three finger-breadths of perforated gutta-percha and of carbolic gauze is then applied ; over this one finger's thickness of the strong salicylic wool, and outside this two fingers' thickness of the weak wool. The whole is then fastened on with a bandage. If the patient complains of pain the dressing is changed and the wound examined. If not, it is left till the eighth or tenth day, when it is changed, in order to remove the drain- age tube. If any discharge comes through in the first instance fresh wool is put outside the dressing. The second dressing is left till healing is complete. Large compound fractures are treated at first by irrigation with salicylic acid. In order to protect the skin from maceration by the fluid it is from time to time rubbed with palm oil. After all risk of abscess formation has passed off and the wound is granulating well, one may apply dry salicylic dressing as before described. Where there is a tendency to inflammation, more especially where there is imperfect drainage with progressive abscess formation, wet salicylic dressing should be applied. This is ordinary salicylic dressing, which is from time to time soaked with salicylic lotion. Thymol as an antiseptic application to wounds was intro- duced some years ago by Eanke of Halle, and was much lauded on account of its non-poisonous and non-irritating qualities. The thymol gauze was made on the same principles as the carbolic gauze, spermaceti being, however, employed. A thymol solution of the strength of 1-1000 is made by the addition of alcohol and glycerine. This antiseptic has not answered the expectations entertained at first. It does not prevent putrefaction, and has been justly abandoned in aseptic work. Acetate of alumina has been lately used by Maas. He applies lint dipped in the solution (2^ per cent.) to the wounds, 140 ASEPTIC SURGERY. and covers this with macintosh. The strength of the spray is also 2^ per cent. He says that this is a powerful antiseptic, and that with it he gets typical aseptic results. The substance is unirritating, and very few dressings are required. Eucalyptus oil has recently been strongly advocated by Dr. Schulz of Bonn.' Its antiseptic properties were shown by Bucholtz in his paper on antiseptics. He found that it was three times as strong as carbolic acid, for while carbolic acid prevented putrefaction when present in the proportion of 1 in 200 parts, the eucalyi^tus oil only required to be present in the proportion of 1 to 666*6 parts to produce the same effect. Siegen also showed that eucalyptus oil prevents putrefaction and alcoholic fermentation better than carbolic acid. He found that blood to which ^ per cent, of eucalyptus oil had been added was quite odourless ten days later. Eing states further that it hinders the passage of white corpuscles out of the vessels, and that therefore, on Cohnheim's theory, it is an agent capable of arresting suppuration. With regard to its usefulness, its smell is more pleasant than that of carbolic acid. It dissolves readily in alcohol or in oil, and mixes perfectly with pure paraffin. Schulz also states from Siegen's experiments and from his own that the eucalyptus oil is not poisonous. The tree from which the oil is obtained grows in large numbers in Australia, and the oil can be obtained in large quantities and very cheap. Schulz recommends that for the spray the glass bottle should be filled with the pure oil or with oil dissolved in alcohol. The steam would then pick this up and make an emulsion. As a lotion it might be used in the form of an emulsion. Schulz proposes that the wounds should be dressed with lint saturated with a 10 per cent, solution of eucalyptus or olive oil. Outside this, or instead of it, may be used Lister's gauze dressing containing eucalyptus oil instead of carbolic acid. A gauze which contains even 50 per cent, of eucalyptus oil may be made with paraffin. Dr. Schulz has not himself, however, used this method. ' Ciidnilhlultfiir Chvrimjit', Jannury 24, 1880. USE OF COTTON WOOL. 141 Quite recently .Mi-. Lister has been making an extensive trial of eucalyptus oil in the treatment of wounds. A gauze has been prepared similar to the ordinary gauze, but containing eucalyptus oil instead of carbolic acid. Dammar has also been substituted for the ordinary resin. So far this has proved very satisfactory. It seems to be trustworthy as an antiseptic, and can be used under circumstances where carbolic acid is apt to cause irritation, as in dressings on the scrotum, or in patients whose skins are liable to be irritated by carbolic acid. Being non-poisonous, it may also be substituted for carbolic acid in cases where constitutional effects are apt to follow the absorption of the latter. It has also been employed as an ointment in the proportion of 1 part by measure of the oil to 4 parts by weight of the same base as is used for the boracic and salicyHc ointments (p. Q5\ This ointment is employed in the cases for which boracic and salicylic ointments have up to the present been used, and it possesses the advantage over the latter in that the oil not only renders the discharge pure as it passes over it, but also on account of its volatility bathes the parts in an antiseptic vapour. Hence it will probably be especially useful in the treatment of burns (see p. 116). Its non-poisonous qualities are also a great point. As yet no experiments have been made with the view of substituting it for carbolic acid in the lotions used in the spray, in washing wounds, purifying instruments, &c., and indeed the whole matter is only for the present under trial. So far we have been considering modes of preventing putrefaction in wounds based on the fact that the septic particles in the air and on surrounding objects may be deprived of their power of causing fermentation by contact with some suitable chemical substance. But we also saw in the preliminary considerations that it sufficed for the avoidance of fermentation in flasks to keep the dust out mechanically, as, for instance by means of cotton wool. This fact was made use of by Mr. Lister some years ago in the following manner. I may quote his remarks, which are given in a foot-note to his article on Amputations in Holmes' ' Surgery,' vol. v. p. 619, published in 1871. 142 ASEPTIC SURGERY. ' Amonar recent contributions of foct to the elucidation of this question (the germ theory) may be mentioned Professor Tyndall's simple but beautiful proof of the existence of organic particles of dust of excessive minuteness in the air by means of a condensed beam of light, and the equally clear ocular demonstration afforded by the same method, that even the finest particles are capable of being removed from the air by causes which Pasteur, in some of his experiments, inferred must clear it of suspended organisms, such as the action of gravity and filtration by cotton wool. The fact last named seemed to promise valuable results in antiseptic surgery, and experiments made with this view have afforded further evidence in favour of the germ theory which it may be well to mention here. I found that if cotton wool impregnated with either chlorine or sulphurous acid gas or with the vapour of benzine or carbolic acid, was placed upon a wound or granulating sore, after washing the surface with a solution containing the same agent, although the volatile antiseptic left the cotton in about a day, the blood or pus still effused beneath the cotton remained free from putrefaction for an indefinite time, provided that the discharge was not sufficiently copious to soak through the cotton and appear at the surface, in which case the meshes between the fibres affording ample space for microscopic organisms to develop in, putrefaction spread within a few hours throughout the moistened part of the mass. This cir- cumstance greatly interfered with the practical utility of the dressing, and it has since been superseded by the antiseptic gauze to be described in the text, but the facts seem to me important with regard to the germ theory. The cotton wool, though it loses all chemical antiseptic virtue in a day, yet will keep out putrefaction for a month or more. It cannot possibly keep out any atmospheric gas, which is necessarily diffused freely between its fibres, and gets in for the same reason that the volatile antiseptic gets out. That which it does exclude can only be suspended particles of dust. It follows, therefore, as a matter of certainty, that the cause of putrefaction through atmospheric influence of blood or pus, oi-, in other words, such materials as the surgeon has to deal with in treating wounds. USH OF COTTON WOOL. 143 are not the atmospheric gases, but dust, and the fact that this dust is deprived of its putrefactive energy by agents which are chemically so unlike as chlorine, sulphurous acid, benzine, and carbolic acid, but which agree in having a common hostility to animal or vegetable life (I used benzine because I knew that the entomologist employs its vapour to kill insects), this fact confirms the view that the putrefactive particles are really organisms. I commend these simple experiments with cotton wool to the candid judgment of the reader, because, whatever may be thought of their bearing upon the allied subject of spontaneous generation, they must be allowed to afford absolute demonstration of the truth which is the foundation of the anti- septic system, viz,, that the putrefaction of blood or pus under atmospheric influences is caused not by the gases of the air, but by suspended particles, which can be deprived entirely of their septic energy by the vapour of an agent like carbolic acid.' It will thus be seen, that what Mr. Lister used here was not an antiseptic application but an aseptic one, and that the only mode in which this dressing acted was by mechanically preventing the particles from reaching the wound. For the reasons quoted, this method has not been turned to practical account, though, as we have seen, it is still used in cases of gangi-ene in order to protect the weak ^Jarts from all sources of irritation. Mr. Barker, assistant surgeon to University College Hospital, has tried a similar method in one or two cases. He piuified cotton wool by heat, and applied between it and the woimd a layer of lint dipped in carbolic oil. This method, however, seems to be impracticable, for after the wool has been heated, but before it is applied, dust would very probably gain access to it unless very complicated precautions were taken. I believe that if ])ure cotton wool is used Mr. Lister's method is the only practicable one. I have mentioned these experiments more as confirming the flask experiments described before than for the purpose of recommending the method for adoption. I believe that tho- roughly satisfactory and indeed the best results maybe obtained by the use of suitable chemical means. 144 ASEPTIC SURGERY. Subcutaneous surgery is another way in which the aseptic principle may be carried out. Here the wound is made under the skin and away from the air dust altogether. This method will be better understood when we come to trace the history of antiseptic surgery. PARTICLES WHICH CAUSE FERMENTATION. 145 CHAPTER VIII. THEORIES OF SPONTANEOUS GENERATION, HETEROGENESIS AND ABIOGENESIS. Principles on wliich other methods of antiseptic surgery act. Organisms are always present in fermenting liquids : their significance. Theory of the origin of organisms independently of a parent. Theories of Needham and Buffon : Needham's proofs. Spallaazani's experiments: Needham's objec- tions : Spallanzani"s replies. Schulze's experiments. Schwann — Schroeder and Dusch — Schroeder — Doctrine of Heterogenesis. Pouchet's work : his method of testing the matter : proofs that the source of the organisms in infusions is neither the air, water, nor the putrescible substances : modes of repeating Schulze's and Schwann's experiments : examination of dust. Criticism of his results. Pasteur's experiments : results with ordinary fluids : introduction of dust into sterilised fluids : results with milk and alkaline fluids : the cause in the air which gives rise to the growth of organisms is particulate : Pasteur "s cultivating fluid : estimate of Pasteur's work. Poachefs reply : New experiments — Criticism of these. 8uCH are the methods by which that form of antiseptic surgery which aims at the total exclusion of septic ferments may be best earned out. But ' Antiseptic Surgery ' in its broad sense includes another class of methods of treatment acting on a totally distinct principle, and interfering more or less perfectly with the occurrence of fermentations. These all act on the principle of rendering inert the causes of jjutrefaction after their entrance into the luownd, of offering obstacles, more or less co')nplete to the fermentation ivhich these pai^ticles would other- luise occasion. In order to understand these methods, to see on what ja-inciples they act, to decide which are the best, and to carry them out with the greatest success, it is necessary to take up our discussion of the causes of putrefaction at the point wliich we have already reached, and to consider what is the nature of the particles which we fotind to be ihe causes of L 146 SPONTANEOUS GENERATION. fermentative changes, and how it is tlmt they bring about these changes. As is well known, micro-organisms of some form or other (bacteria, toruUie, &c.)are always present in fermenting liquids, and the view which is now almost universally held by scientific men is that these bodies are the initiators of the chemical change. We have nlready seen that fermentation occurs only after the access of particles from the outer world, and it is asserted by the supporters of the germ theory of fermentative changes, that these particles aire organisms or their spores, and that it is by the growth of these organisms in the fermentescible material that the latter undergoes alteration. Soriie, however, assert that these organisms are only acci- dental accompaniments of the process of fermentation ; in fact a few still maintain that they arise in fermenting substances from agglomeration of the molecules of that material, that in feet they are generated anew and are not necessarily derived from a parent. It is therefore necessary for us, before discuss- ing the germ theory of fermentation, to consider what are the real focts with regard to this matter of abiogenesis. The first views of which we must take notice, as being the first founded on experiment and observation apart from mere philosophical speculation, are those of Needham and Buffon, published in the middle of the eighteenth century.' Needham's ' It may be of interest to quote Needham 's own words somewhat in detail. Referring to Spallanzani's criticisms of his viOT:]Sillimft/i'.i Jiiin-nal, vol. xxxiv. 1SG2. - Ihid, vol. xliv. 1S(;7. 176 SPONTANEOUS GENERATION. With regard to his experiments he says, ' In the first experiments the red hot tube, beyond a question, destroys all organisms contained in the air which enters the flask through it, but is without effect on such as may be contained in the solution, or adhere to the inner surface of the glass. These come in contact only with boiling water or steam, and unless destroyed by one or the other of these would be sufficient to vitiate any experiment, however careful the adjustment and heating of the tube may have been. We therefore believe that the tube is an unnecessary and useless complication of the apparatus.' In another set of experiments it was shown ' That if the boiling of the flasks was continued for four hours, the infusoria may appear nevertheless — though in other cases it has happened that life ceased to be manifested if it was continued only for two hours.' ' In pushing the experiment still further, we have not found that infusoria appeared in any instance if the boiling was prolonged to five or six hours.' Several experiments, in which many flasks were used, were tried, but ' the result was uniformly the same. Thus a limit to the development of infusoria in boiling water was reached.' Dr. Wyman tells me that in the summer of 1880 he examined one of these flasks, which is marked as having been prepared in June, 1867, and which has remained unopened ever since. ' Judging by the signs above given ' (absence of scum, of muddiness, or of fer- mentation) 'there is no evidence of infusorial life.' The last defence of heterogenesis which it is necessary to consider is that by Dr. Bastian.' He gives up the theory of organic molecules derived from previously living molecules, and attempts to demonstrate that vital force and living matter may arise de novo under the action of the ordinary physical forces — heat, light, electricity, &c. This change of front on the part of the heterogenists is clearly brought about by the over- whelming evidence produced against Pouchet's views, and more especially by Pasteur's success in cultivating organisms from dust in fluids containing no organic matter. A further admis- sion is made which somewhat simplifies the question, viz., that organisms have the power of self-multiplication. ' The BcfjinniiKjs of Life, 1872, &c. BASTIAN. 177 The limitation of cases of spontaneous generation, which has been gradually taking place, is exceedingly instructive. Beginning with the higher animals, it became gradually more limited, frogs, flies, &c., being by degrees excluded, till now it is only in the case of the lowest forms of life that the doctrine is asserted, and even there only in certain instances. The cases which are yet doubtful are given by Eastian in the work quoted, and may be grouped into three divisions. I. The first division relates to the development of organisms in various fluids, more especially m vacuo — a condition which Pouchet looked on as inimical to life ! Into flasks portions of various infusions were introduced. The latter were then boiled for from ten to twenty minutes, and hermeti- cally sealed while still boiling. The fluids used were turnip and hay- infusions, o.nd also solutions of certain salts, chiefly citrate of iron and ammonia coutainiug portions of wood, cheese, &c. The conditions of the first experiment mentioned are very striking and unusual. ' A closed flask containing a very strong infusion of hay (boiled for five minutes), to ivhich had been added 7,\th part of carbolic acid, was opened twelve days after it had been hermeti- cally sealed.' Bastian states that this flask contained organisms of a peculiar form. Such a statement as this, that a saturated solution of carbolic acid (for a watery fluid at the ordinary temperature containing -Jjjth part of carbolic acid is saturated) can jjerinit the growth of organisms, is absolutely opposed to all experience and ex- periment. In experimenting with turnip infusion, cucumber infusion, &c., I have never been able to grow any sort of organ- ism in these fluids, when they contained a larger proportion of carbolic acid than 7, y- th part, even though several drops of fluids swarming with bactt'ria were introduced. Further, I liave lately jicrformed the following experiment : — In January 1880 I intro- duced carbolic acid into flasks containing strong unboiled hay infusion so as to have a strength of the acid present, varying from 1 in 20 to 1 in 200 [)arts. Tlu'se flasks were then covered with cotton-wool caps, and placed in an incubator. When examined six weeks later, there had not yet appeared in any one of them N 178 SFONTANEOUS GENERAriON. any sort of organism. And lastly, tliis statement, that organ- isms can develop in acid fluids after boiling, is contrary to the whole tenor of Dr. Bastian's later remarks, for his strong point is the develo})ment of organisms in alkaline — not in acid — fluids after })ro]onged boiling. Bastian also employs turnip and hay infusions (without carbolic acid) and solutions of such salts as citrate of iron and annnonia, and he finds that a slight sediment occurs which contains organisms. He generally has to introduce such things as deal wood, cheese, &c., in order to get this result. With regard to experiments on such fluids as hay infusion and turnip infusion without cheese, I may state that I have quite lately repeated them with exactly op})osite results. At first I proceeded to repeat them, following closely Dr. Bastian's directions, in the expectation of getting organisms, and looking out for some explanation of their occurrence. The physical forces, or whatever else it may be, were, however, not favourably disposed for spontaneous generation at the time and place where I performed those experiments, for to my surprise I was unable to obtain any development of organisms. I tried several modifications, in the hope of finding the cause of their absence, but whichever of these vegetable fluids I used I was able, with proper precautions, to preserve them with the greatest ease. Some specimens were very difficult to filter, and in some a slight muddiness occurred on boiling, and the granular de])Osit might very readily be mistaken at first sight for organisms, though some care and experience would easily prevent such an error. But I have boiled the fluids for a few minutes and then filtered them under pressure (I could not in this way remove any of Dr. Bastian's supposed physical forces) , and having thus obtained a perfectly clear liquid, 1 treated it like the others. There was now no deposit, and nothing which could be mistaken for organisms. No doubt other observers have produced evidence which apparently at first sight supported Dr. Bastian's views. I refer to the class of experiments in which prolonged boiling was required for sterilisation, but many of these results depend, I believe, on the same causes as Wyman's, viz., imperfect puri- fication of the walls of the flasks and of the air in their interior, COHN'S REPLY TO BASTIAN. 179 while the fact, that in some instances such resistance was met with, surely implies the presence of some form of encysted organism or resisting spore, or of an organism placed under conditions in which it is not perfectly heated, rather than some rare form of organic molecule or physical force. The former view — that there is present in the infusions some form of resisting spore which can withstand the high temperature — was shown by Cohn to be correct in the case of the experiments where portions of cheese were introduced.^ He repeated Bastian's cheese experiments with great care, and found that after exposure to a temperature of 100° C. for ten minutes, organisms still developed in the mixtm-e of cheese and tm'nip. He, however, observed that these organisms were always of one form {Bacillus subtilis), and that Bacterium tenno and other forms were absent. On investigating this subject further he found that these bacilli did not merely grow in the form of long rods, but that they produced spores, and he had previously ascertained ^ that the spores of these organisms were possessed of peculiar resisting powers. Indeed, such was their power of endurance under high temperatures, that if some satisfactory explanation could be given why they should always occur in these experiments, the whole mystery would be solved, and the theory of spontaneous generation would no longer be supported by these facts. Cohn therefore turned his attention to the manufacture of cheese. The Swiss cheese is made in the following manner : milk is placed in large copper vats, and is coagulated by the addition of rennet. This is allowed to stand for a quarter of an hour, and then, after having been kept at a temperature of from 55° to G0° C. for an hour, it is broken up into small masses. These are now taken up in a cloth, placed in a mould, and pressed for twenty-four hours. The cheese is then taken out of the mould, transferred to a cellar, and kept at a temperature of 10° to 12° C. for several months, salt being daily rubbed over its surface. Lastly, it is stored till it attains its full ripeness. ' See UnterxuckuiKjcn iibcr Bactmcn, Cnhti'x Jieitriii/e zuv Biulwjic der I'Jtanzcii, Erster Band, Urittes Heft, p. 188. « Colin, ibid., lleft 2, p. 17G. N 2 180 SPOXTANEO US GENERATION. The only stage in the process which it is necessary to con- sider is the ripening of the cheese. Cohn points out that this is a true fermentation clue to the growth of organisms ; this YiG. 6-t. — Bacillus subtilis ; without spores ; with spores in the RODS ; FREE SPOKES ; X GOO (AFTER COHN). fermentation begins during the first twenty-four hours, while the curd is still under the press, and is accompanied by the develop- ment of large quantities of gas. The slower development of this gas, which occm'S later, explains the formation of cavities in the cheese. The chemical change consists in the partial transformation of the milk sugar into butyric acid. The preliminary heating to 55° or 60° C. kills all the organisms except the bacilli which give rise to this butyric fermentation. On examining the rennet Cohn found that it was full of bacilli, many of which contained spores, and of free spores. By the addition of the rennet to the milk enormous num- bers of these spores are sown in it, and the subsequent stirring mixes them thoroughly with it. These spores escape death at the tem- perature of 55° — 60° C, and develop in the cheese, thus causing its ripening. They have been shown to resist high Fig. 65. — Deposit in rennet, consisting of a mass of micro- cocci and spores of bacilli, x goo (af- ter c'oiin). ROBERTS'S OBJECTIONS. 181 temperatures, and, when used in Bastian's infusions, they are not destroyed, and thus we have a satisfactory explanation of the frequent development of bacilli in these experiments.' The other view — that the organisms were imperfectly heated — was urged against Dr. Bastian's experiments by Dr. Roberts as long ago as 1873. After pointing out that atmo- spheric germs may get into the flasks at the time of sealing, he goes on to a second source of error, which he considers much more important. ' It is this : Dr. Bastian's process does not insure that the entire contents of the flask are effectively exposed to the boiling heat.' He refers to the difficulty in boiling milk and other substances, owing to the spurting and frothing of the fluid ; but he shows that if this is avoided by simply immersing the flasks in boiling water, the difficulty in rendering them ban-en is overcome. He says : ' The essential conditions of the experiment are first the effective exposure of the whole contents of the flask to a boiling heat ; secondly, the absolute prevention of any fresh entrance of extraneous solid or liquid particles ; and the conclusion I have come to is that if these conditions are rigidly observed, the flasks remain barren. If they do not remain barren it is simply because one or other of these conditions has not been observed.' In answer to this Dr. Bastian ^ replies : ' I feel quite sure that in my experiments no portion of the inner surface of the glass has escaped the scathing action of the boiling fluid. The vessel has generally been more than three-fourths full before the ])rocess of heating has been commenced, so that where ebullition occurs the fluid has always swept over the previously uncovered inner surface and, as Dr. Sanderson testifies, " dur- ing th(! boiling some of the liquid was frequently ejected from the almost cajjillary orifice of the retort." The inner surface of the vessel was, in fact, always thoroughly and re[)eatedly washed with the boiling fiuid, nearly half of which has been spurted away in order that I might effect this object.' Now it is just tlie spurting of the liquid which is so danger- ' Tlie experiments of Huizinfja, on whicli P.astian lays ^eat stress, have been refuted b}' Samuelson {P/fiitjcr's Arc/tir, viii. p. 277) and }>>■ Gscbeidlen (Ifnd. ix. p. 163). * Nature, Februarj- 27, 1873. 182 SPOXTANJEOUS GENERATION. ous, for, with the bubbles, solid particles are carried up and deposited on the neck or sides of the flask, out of reach of the boiling liquid, and they may not be acted on by the frothing fluid. I also very much doubt if a bubble of steam sweeping over the wall is to be regarded as a very efficient way of applying moist heat ; certainly it is not so efficient as boiling in a fluid. That greater success is obtained when this spurt- ing and frothing do not take place has been stated by Dr. Roberts, and this statement is quite confirmed by Mr. Lister's experience with milk, where he uses the method of immersion with perfect success, and for the same reasons. But surely this view, that the walls of the vessels remain impure, is the only way in which Bastian's facts can be recon- ciled with Gruithuisen's experiments mentioned by Bastian himself in a paper read before the Eoyal Society on March 20th, 1873. I will just quote Dr. Bastian's remarks and experiments in connection with this paper. It is to be observed that Bastian used this method for ascertaining the death-point of bacteria, and the title of the paper in which these state- ments occur is, ' On the temperature at which bacteria, vibriones, and their supposed germs are killed when immersed in fluids or exposed to heat in a moist state.' He says : ' It was pointed out by Gruithuisen early in the present century, that many infusions, otherwise very productive, ceased to be so when they were poured into a glass vessel whilst boiling, and when this was filled, so that the tightly fitting stopper touched the fluid. Having myself proved the truth of this assertion for hay infusion, it seemed likely that, by having recourse to a method of this kind I should be able to lower the virtues of boiled hay and turnip infusions to the level of those possessed by the boiled saline solution with which I had previously experimented, that is, to reduce them to a state in which, whilst they appear quite unable of themselves to en- gender bacteria or vibriones, they continue well capable of favouring the rapid multiplication of such organisms. ' This was found to be the case, and I have accordingly per- formed upwards of 100 experiments with inoculated portions of these two infusions raised to different temperatures. The mode in which the exjieriments were conducted was as follows : GRUITHUISEN'S EXrERIMENTS. 183 ' Infusions of hay and turnip of slightly different strengths were employed. These infusions having been first loosely strained through muslin, were boiled for about ten or fifteen minutes, and then whilst boiling strained through ordinaiy Swedish filtering paper into a glass beaker, which had previously been well rinsed with boiling water, A number of glass bottles or tubes were also prepared, which, together with their stoppers or corks, had been boiled in ordinary tap water for a few minutes. They were taken out full of the boiling fluid, and the stoppers or corks being at once inserted, the vessels and their contents were set aside to cool. When the filtei'ed infusion of hav or turnip had been rapidly cooled down to about 110° F. (by letting the Ijeaker containing it stand in a large basin of cold water), it was inocxalated with some of a turbid infusion of hay swarming with active bacteria and vibriones, in the pi'oportion of one drop of the turbid fluid to each fluid ounce of the now clear filtered infusion. The beaker was then placed upon a sand bath, and its contained fluid (in which a thermometer was immersed) gradually raised to the required temperature. The fluid was maintained at the same temperature for five minutes by alternately raising the beaker from and replacing it upon the sand bath. The bottles to be iised were then one by one uncorked, emptied, and refilled to the brim with the heated inoculated fluid. The corks or stoppers were at once very tightly pressed down, so as to leave no air between them and the sux-face of the fluids. The beaker was then replaced upon the sand bath and the gas turned on more fully, in order that the experimental fluid might be rapidly raised to a temperature 9° F. (5° C.) higher than it had been before. After five minutes' exposure to this tempera- ture, other bottles were filled in the same manner, and so on for the various tem^ieratures, the influence of which it was desired to test.' These bottles were kept at a temperature of from 0)5° to 75° F. The results were as follows :— 'The experimental results here tabulated seem naturally divisible into three groups. Thus, when heated only to 131° F. all the infusions became turbid within two days, just as the inoculated saline solutions had done. Heated to 158° F. all the inoculated organic infusions remained clear, as had been the case with the saline solutions in my previous experiments, when heated to 140° F. There remains therefore an inter- mediate heat zone (ranging from a little below 140° F. to a little below 158° F.), after an exposure to which the inoculated organic infusions are apt to become more slowly turbid, although 184 SPONTANEOUS GENERATION. inoculated saline solutions raised to the same temperature in- variably remain unaltered. ... we may quite safely conclude that bacteria, vibriones, and their supposed germs are either actually killed or else completely deprived of their powers of multiplication after a brief exposure to the temperatm^e of 158° F. (70° C).' With the conclusions drawn from these experiments as to the death point of bacteria, I, for the most part, agree, but I shall have to refer to them again presently. I have introduced the facts here, because I believe that they add strong confirma- tory evidence of one of the explanations of Bastian's results which I have been trying to establish, viz., that in many cases the organisms which appeared in his fluids after boiling did not arise de novo, but were derived from particles on the walls and in the air of the vessel, which had not been deprived of life. For in Cxruithuisen's experiments and in Bastian's repetition of them, there was no part of the wall of the vessel nor any air in the interior left to be acted on by more or less dry heat. The vessel was filled with fluid, and all the particles in it were subjected to moist heat. And here the high temperatures required in the other cases were not necessary. A temperature of 158° F. continued for a very short time was sufficient to render the liquid permanently barren.' ' It is of great interest to mention here tlie difficulties experienced by Dr. Paul Bert in attempting to preserve meat after subjecting it to high pressure (' La pression barometrique,' p. 880). ' Ainsi, dans mes premieres experiences, lorsque je voulais conserver une sub- stance, apr^s I'avoir soumise A, la compression, je fermais d'un bon bouchon de liege le flacon oi\ elle etait placee : ce bouchon etait perce d'un trou, et lorsque j'avais retire le flacon de I'appareil, j'appliquais sur cet orifice fin une goutte de cire fondue, avec laquelle, du reste, je cachetais tout le bouchon. ' Je ne tardai pas tl apprcndre que cette precaution etait insufiisante. Les bouchons, meme neufs, mcme laves, meme chauft'es rec^lent trop souvent des germes encore en activite. J'cus alors recours aux matras, ballons, tubes, que j'etirais 4 1a lanipe, apres y avoir introduit la substance en experience; le trou presque capillaire de la partic etiree permetlait a I'equilibre de pression de s'ctablir. ' Je m'aper^us encore, a mes depcns, que les germes restes ill'etat sec sur les parois du petit recipient suffisaient, surtout quand il s'agissait de la putrefac- tion, mon laboratoire de dissection en etant bourre, pour t roubler les plienomi^nes. Je ne pouvais me mettre sCirement a Tabri qu'en ajoutant un peu deau et en renuiant avec soin le recipient, avant de la soumettrc a la compression, afin de tuer en meme temps et les germes contenus dans la substance, et ceux des parois qui se trouvaient mouilles.' PA UL BERT OX LIFE IX VACUO. 185 But was the fluid in these vessels in any special condition which prevented the origin of organisms ? It is to be observed that when the heat was not high enough to kill organisms, they developed readily, there was then nothing in the conditions which prevented the development of organisms. The only difference in the two sets of experiments, and it seems to be indicated by Bastian, appears to be that in Bastian's former ex- periments the fluids were under diminished atmospheric pres- sure, while here they were not. The conclusion then ajjparently is that a vacuum is better suited for the spontaneous origin of organisms than the normal pressure ; and that such is Bastian's view is openly stated by him, and among facts in support of it we find the admission that turnip infusion, urine, and some- times hay infusion, may remain for an indefinite time in Pas- teur's flasks with open bent necks without any development of organisms in them, while in a vacuum organisms arise in similar fluids, especially if a piece of cheese has been added to them. We must therefore see if any other facts favour this in vacuo idea. As I have already stated, Pouchet, who is largely quoted by Bastian, states distinctly that a vacuum is most unfavourable for the occun-ence of spontaneous generation, and he employs a vacuum for repeating some of Pasteur's experiments, in order to showthatas soon as air is admitted, spontaneous generation occurs. And in regarding a vacuum as inimical to life when com- pared with the ordinary atmospheric pressure, Pouchet was con-cct, as will be evident from the following quotations from Paul Bert's recent remarkable work, entitled 'La Pression baro- metrique.' On submitting seeds to low pressures he found that germi- nation was nmch delayed. Tims in his 350th experiment ho sowed barley in eartli in tlu^ec pots, and placed them : A undei- a glass at the normal pressure. B „ „ at .50<=' of pressure. Five day.s later in A the slioots were numerous, very green and very Gvvn, measuring about 10^- B less numerous, less green, measuring about 8"^' C still less, measure about G*^- 186 SrONTANEOUS GENEliATION. Next day these shoots were cut off at the level of the grain, dried and weighed : End shoots of A weighed S'^s-S. !> )j ;; -" )> ' ■'• A low pressure was also found tb be inimical to vegetation. Thus to take his 359tli experiment : A number of sensitive plants abovit lO'^" in height wei'e each placed under a bell jar on August 1. August 1. A at 60<=' of pressure. B „ 50- „ C „ 25- „ August 3. Some leaves have fallen from C. August 6. A leaflets sensitive and open. B „ half open and little sensitive. C „ completely closed. August 7. All restored to normal pressure. They are all sensitive, but C much less so than the others. C does not close well this evening. August 9. A is all right, very sensitive. B. Little sensitive — sickly, yellowish. C. Leaves falling off — dying. A similar result, was obtained when putrescible substances were submitted to varying degrees of low pressure. Thus in experiment 38G the muscles of a dog were placed : A at the normal pi'essure. B at SS"^" of pressure. Four days later A was horribly putrid. B is a little less putrid. Experiment 392. — On January 17, equal sized morsels of meat were placed : A in a pressure of half an atmosphere. B at the ordinary pressure. Other two, C and D containing increased amounts of oxygen. January 25. The meat, which is the least altered in appearance, is A. The pieces which are most altered are C and D. EXPERIMENTS WITH SUPERHEATED FLUXES. 187 Without multiplying the experiments, I may give his results. To quote his own words : ' Si nous envisageons d'ahord eelles de nos experiences qui ont porte sur la diminution de pression, nous voyons d'une maniere nette que dans I'air rarefie la putrefaction a ete nota- blement ralentie et I'oxydation diminuee. ' Mais ces resultats n'ont rien de bien extraordinaire ; Ton savait depuis longtemps que la putrefaction na pas lieu dans le vide, et il etait tout naturel de penser qu'elle serait d'autant moins active que I'air serait plus rarefie.' Dr. Bastian does not always obtain these results (growth of organisms) with infusions containing cheese, &c.' If he uses the rind of the turnip in preparing the turnijD infusion spontaneous generation may not occur ! At least such is Dr. Bastian's ex- planation of his failure to get organisms in one or two instances. An exj^eriment is also nan-ated in Dr, Sanderson's letter in which the walls of the flasks v/ere thoroughly purified by heat before the introduction of the fluid, in order to see whether the organ- isms were or were not attached to the walls of the vessels. But this experiment is completely nullified by the mode in which the flasks were afterwards filled, for Dr. Bastian charged them by ' bi'eaking off their points ' (they had been sealed when hot) ' under the surface of a neutral infusion of turnips and cheese, freshly prepared for the puqiose without employing any of the rind.' Here the previous purification of the walls of the vessels was useless, for they were again soiled by the unpurified fluid passing into the flask. II. The second series of facts on which Dr. Bastian bases his arguments . is, that certain solutions may be exposed in airless and hermetically sealed flasks to a temperature of 270° to 275° F. for 20 minutes, and yet that organisms may subsequently de- velop in these flasks. Such fluids are chiefly strong infusions of turnip rendered alkaline by liquor potassas. Now I have already referred at length to the error that the organisms may not be subjected to moist heat at all, and my remarks apply here also. For 275° F. is not always sufiHcient as dry heat. But I would remark — and tliis may apply to some of the ' Sec letter by Ur. Biirdon-Sandcrson in Xuiiirc of Januar}- f), 187?.. 188 SPO^TANJEOirs GENERATION. first series of experiments — that in only one or two cases were numerous and distinct bacteria found; and I have ventured to think that in some of the other cases the deposit which occiuTed was simply due to imperfect filtration, and contained the forms described, these forms not having developed since the introduction of the fluid into the flask. For, I would ask, if they had developed anew, why was the fluid not full of them ? Why was there only a slight deposit ? When organisms are really present in cultivating fluids (as in some of Bastian's experiments) they fill the fluid and render it turbid, often with a scum on the surflice. In some flasks various forms of organisms were found, and fungi were present in the deposit at the bottom, more especially when tartrate of ammonia was used. In some cases Dr. Bastian mixed deal wood with the fluid, and found bodies like vegetable cells, which were undoubtedly portions of the wood. With regard to the fungi, Dr. Bastian has himself pointed out that crystals of tartrate of ammonia, when old, generally con- tain fungi in their interior. Professor Huxley, in ' Nature ' for October 13, 1871, stated that he had seen Dr. Bastian's experiments and preparations, and expressed his belief that the organisms which Dr. Bastian got out of his tubes were exactly those which he put into them, that in fact he had used impure materials, and that what he imagined to be the gradual development of life and organisation was the simple result of the settling of these solid impurities. For instance, he relates how on one occasion Dr. Bastian showed him a specimen of a fungus developed spontaneously, which Professor Huxley recognised as a fragment of the leaf of a Sphagnum, and that it was so he ultimately, after great diffi- culty, convinced Dr. Bastian. On the other hand, it is but fair to Dr. Bastian to admit that these settled impurities were not the only things which he got, and that in reality in some cases undoubted organisms developed. Dr. Burdon-Sanderson, in the letter just quoted, says : ' The accuracy of Dr. Bastian's statements of fact, with reference to the particular experiments now under consideration, has been publicly questioned. I myself doubted it, and ex- pressed my doubts if not publicly, at least in conversation. I THEIR FALLACY. 189 am content to have established, at all events to my own satis- faction, that by following Dr. Bastian's directions infusions can ' be prepared which are not deprived, by an ebullition of from five to ten minutes, of the faculty of undergoing those chemical changes which are characterised by the presence of swarms of bacteria, and that the development of these organisms can pro- ceed with the greatest activity in hermetically sealed flasks, from which almost the whole of the air has been expelled by boiling.' Cheese was used in most of the experiments which Dr. Sanderson witnessed. Among others who have been unsuccessful in repeating Dr. Bastian's experiments may be mentioned Dr. E. Ray Lankester. In ' Nature ' for January 30, 1870, he says, ' In numerous ex- periments with turnip solution made by Dr. Poole and myself recently in the Laboratory of the Kegius Professor of Medicine of this University, we found that under the conditions given in Dr. Bastian's book, no life was developed, a result contrary to that obtained by him in 999 cases out of 1000.' The fallacy of Dr. Bastian's experiments with saline solu- tions was well demonstrated as long ago as 1 872 by Mr. Hartley.^ In no instance was he able to confirm Dr. Bastian's statements. In his first experiment he made a fluid consisting of a 5 ^^er cent, solution of tartrate of ammonia and phosphate of soda in distilled water slightly acidified with tartaric acid. Several tubes were filled with these solutions, and were heated for four hours to a temperature of 1 50° C. They were afterwards kept at a tem- perature of about 25° C. In none of them did any organisms develop, but in some he found that a slight deposit occurred which apparently was what Bastian had taken for a develop- ment of organisms. On examination this deposit was found to be inorganic, and to consist of silica alone. 'The disodic phos- }»hate had attacked the glass, the silica dejjosited on standing, and hence the jelly-like mass.' He adds further, in reference to Dr. Bastian's use of magenta as a test for fungi, that mao-enta also stains silica.^ Hartley does not consider these solutions ' The italics arc my own. ^ ProcrcdiiiiiH nf the lioijdl Socii'tji, vul. xx. ■' Dr. Frankland (Natiirr, January 11), 1871), in whose laboratory Dr. I'asfian had performed these experiments, was not satisfied with the results, and repeated sonu; of the experiments, lusinjr a soluficni of carbonate of ainuuiuia 190 SrONTAA\EOUS GENERATION. capable of supporting life. In another set of experiments he kept the tubes at a fluctuating temperature, which is another of the conditions which Dr. Bastian considers favourable to spontaneous generation ; but here also there was no develop- ment. Similar experiments, which gave similar results, were made with turnip infusions and with urine boiled and filtered from mucus. After keeping such fluids in vacuo for a long .time they were exposed to air, filtered through cotton wool, and kept at fluctuating temperatures without any development ; but when they were exposed to unfiltered air under the same conditions, organisms rapidly developed. Dr. Bastian ' says : ' The disruptive agency of heat is fairly enough supposed by the evolutionists to destroy some of the more mobile combinations in each solution — to break up more or less completely, in fact, those very complex organic products whose molecular instability is looked upon as one of the con- ditions essential to the evolutional changes which are supposed to take place.' With regard to this Hartley remarks, ' l^efore granting such a supposition it would be necessary to know, first, what are the " very complex organic products " of such peculiar " molecular instability " existing in a solution of tartrate of ammonia, sodic phosphate, acetate of ammonia, oxalate of am- monia, in a solution of sugar and calcined yeast, in turnip infusion, or any other putrescible liquid. My experiments show that there is no such disruptive agency in a high temperature ; that it does not influence the " more mobile combinations " either in solutions of organic salts or vegetable infusions ; . . . Dr. Bastian records the development of organisms in a liquid heated as high as 153°C. ; yet the assumed "disruptive agency of heat " is supposed to have influenced the results of Schwann and Pasteur at a temperatm'e of 100° C. ! His experience is contradictory to his own theory, and at the same time to the experiments of others to which his theory raises objection.' and pliospliateof soda, as had been done by Bastian in one of Ins experiments. lie also states that the figure of eiglit particles and bodies which Dr. ]5astian had mistaken for living organisms were merely 'particles of glass which had be- come detached from the inner walls of the tube by the corrosive action of the enclosed liquid at the high temperature to wJiich it had been exposed in the ' digester.' ' Nature, vol. i. p. 17G. EXPERIMENTS WITH ALKALINE FLUIDS. 101 III. The third, unci indeed the only series of experiments which can still be held to be worthy of consideration, are those with alkaline fluids which, as is well known, are more difficult to sterilise than acid or neutral fluids. Dr. Bastian states that even though superheated, organisms may develop in them. This difficulty in purifying alkaline fluids was long ago re- cognised by M. Pasteur, and was attributed by him to imperfect wetting of the organisms. However that be. Dr. Roberts • has conclusively proved that this is not a case of spontaneous generation, for he has shown that while on the one hand an alkaline fluid is very difficult to sterilise, yet as the same fluid without the caustic potash is very easily rendered barren, and as the caustic potash is pure, if each be sterilised separately and then brought together, without any fresh access of dust, the fluid still remains pure ; in other words, the caustic potash does not determine spontaneous generation. He shows, in fact, that the potash acts by increasing the re- sisting power to heat of the particles, which are the forerunners of organisms — not by increasing the abiogenic aptitude of the infusion. Ten flasks were charged with unneutralised hay infusion. Five of these were simply plugged with cotton wool, and boiled over the flame of a lamp for five minutes. The other five were also plugged Avith cotcon wool, but through the centre of each plug there passed an hermetically sealed glass tube bent obliquely, and containing the quantity of liquor potassse requisite to neutralise the fluid in the flask. These tubes had been previously he;ited (after being charged with liquor potassse and sealed) in oil up to 121"^ C. in order to destroy any organisms they might contain. The flasks thus prepared were then boiled over the flame for five minutes. At the end of a fortnight their contents were unchanged. The tube was now broken and the liquor potassaj mixed with the fluid. Not one fl isk ger- minated ; at the end of two months they were still barren. But although these flasks had not acquired the power to germinate, they had accjuired the propcrtij of I'uahling frcaldij introducad germs to survivi a boiliiuj heat, for when the flasks were un])lugged and infected with ortUnary air or water and then replugged and boiled five minutes, their contents in every instance germinated in a few days. ' I'/nl. Tranx. 1874. 192 SPONTANEOUS GENERATION. m I can quite confirm Dr. Roberts's statements, for 1 have used his method of boiling these fluids separately as an easy mode of obtaining any required degree of alkalinity, and I have never got any results which in the least support the view that the addition of liquor potassa3 to any sterilised infusion will make organisms develop in that fluid. I have already mentioned Mr. Lister's method of procedure preserving fluids. I have mentioned how successful this was, and how all the difficulties as to tall and small flasks, &c., were overcome simply hy purifying the lualls and the air in the jiasks ; hy taking care, in the introduction of the ir)ipit7'e fluids, to avoid contact luith the neck and lualls of the flask so purified (above the level of the liquid) ; and hy avoiding spurting or frotJting during the heating of the fluid. By Mr. Lister's method all sorts of fluids may be preserved and transferred from one vessel to another, with- out the development of any organism, with the same certainty as without the occurrence of any fermentative change (see Chapter I.) Mr. Lister's method has removed a great source of error in all these experiments, and I am confident that if his instructions be strictly followed out, the instances of difficulty in purifying fluids will become fewer and fewer. During four years more or less constant work at such experiments, I have only once met with an instance of difficulty in purifying fluids. This case will be alluded to presently. The experiments of Dr. Roberts and of Prof. Tyndall • as to the absence of fermentative changes in preserved fluids show also the absence of organisms under the circumstances re- ferred to. For their experiments were made with a view to the determination of the question of spontaneous generation. And in my own experience, in order to test various materials, as ' For later experiments than those (juoled at p. 24, rf wy., see Tyndall's paper in the Philusoj)liical Transactions, vol. 1G7, 1S77, where some difficulties which he experienced arc explained. Fig. G6.— Dk. Ro- bkrts's experi- ment with al- kaline eluids. rRESERVATION OF MILK. 193 to whether they contained organisms or not, I have prepared many hundred flasks of cucumber and turnip infusion, and also many of milk, meat, &c., without in any instance obtain- ing the slightest evidence in favour of abiogenesis. (The case in which I found difficulty in preserving milk has been already mentioned, and will be alluded to presently.) The rapid souring of milk during a thunderstorm is looked on as a change due to electricity. Accompanying this rapid souring there is a rapid increase of bacteria. I have kept flasks of pure milk for a year, through several violent thunderstorm-s, without any change taking place in it, and without the appearance of any organisms ; and at the end of the year the milk was quite fluid and of normal character, though in a few days after the flasks were opened (they were covered with cotton wool caps) it had coagulated, become putrid, and contained numerous bacteria. 194 SPONTANEOUS GENERATION. CHAPTER X. SPONTANEOUS GENERATION {concluded). Facts with regard to unboiled flioids and tissues : Mr. Lister's facts with re- gard to milk : my own experiments with animal tissues. Present state of the question — Dr. Bastian's latest standpoint : Liebig's doctrine. Can or- ganic molecules derived otherwise than from pre-existing bacteria give rise to bacteria ? Firstly, there is nothing unreasonable in looking on these particles as bacteria or their germs : seeds carried by air : excessive minuteness of the germs of bacteria : Mr. Lister's experience with micrococci. Secondly, there is no direct evidence that organic molecules not derived from bacteria can give rise to bacteria: facts with regard to unboiled fluids and tissues — conclusions from these facts : Paul Bert's experiments : Cazeneuve and Livon : Pasteur : Dr. Bastian. Thirdlj', there is no evi- dence that active organic molecules (chemical ferments, &c.) can resist heat more than living things can : effects of heat on ptyalin, pepsin, &c. : my own case of difficulty in sterilising milk : Wyman's fact as to an alga living at 208° F. With the great mass of evidence existing against the doctrine of spontaneous generation, I should have no hesitation in casting it aside. But much stronger evidence remains to be alluded to ; viz., the behaviour of unboiled fluids and tissues when preserved with certain precautions. I have already referred to these experiments in a former part of this work, and I may now state that where I have said that fermentation was absent, I might equally well have said that organisms were absent. I have mentioned that blood, milk, and urine could be preserved, unboiled and unacted on by chemical reagents, for an indefinite period, without under- going fermentation, and, I may now add, without the develop- ment of organisms. Of these I may revert for one moment to Mr. Lister's experiments with milk. Mr. Lister, in his attempts to obtain pure unboiled milk, found that in none of his flasks did he obtain lactic fermentation, but that in all but two (out of UNBOILED FLUIDS AND TISSUES. 105 some 50 or 60 flasks) organisms of some form or other occurred, these organisms being in many flasks of totally distinct kinds. Now these results prove a great deal against the view of spon- taneous generation. Two flasks had no organisms at all, there- fore milk does not spontaneously generate organisms, does not naturally contain them, has no inherent tendency to undergo fermentation. Then milk which has never been in the dairy does not undergo lactic fermentation ; hence the cause of this fermentation is something coming from the dairy, not some form of organic molecule present in the milk. Then not only the fact that in two flasks no organisms developed, but also the great variety which appeared in the different flasks prove that they could not have developed de novo. For if we have twelve flasks under the same shade, each containing the same specimen of milk taken at the same time, under the same conditions, any change occurring in one, due to something inherent in milk, or due to some physical force or combination of physical forces acting on it, would have occm-red equally in all. But when we see one specimen remaining without organisms, another having a pigment micrococcus, another having bacteria, another fvmgi, and so on, we must conclude that the appearance of these forms cannot be due to anything inherent in this milk, but that it is due to something which has entered the milk from without. My own experiments on milk, referred to before, bear out Mr. Lister's statements in every particular, and bring additional evidence, in that they show that a much larger proportion of flasks may be preserved if attempts be made to render the particles in the air, or at least on the udder of the cow and the hands of the milkmaid, inert by the use of carbolic acid or other antiseptic. Cazeneuve and Livon's experiments on urine have been already referred to, and will be further discussed under the head of fermentation, when they will be found to furnish much additional evidence against the view of spontaneous generation. After referring to blood, uiilk, and u)ine, I also mentioned the experiments on gi-ape juice by Van der Broeck, Pasteur, &.c. and on vegetable ti^sues by Roberts, and I then pasi-ed on to (> 2 lOG SPONTANEOUS GENERATION. my own experiments on animal tissues. I described the method I had employed, how the tissues were introduced into and preserved in flasks containing cucumber fluid, and how they remained unchanged, and, I miny now add, without any development of organisms. That no organisms developed I further ascertained by testing the beakers. By transferring, by means of a pure syringe, a droj:) of their contents into a flask containing pure cucumber or meat infusion, I found that no organisms developed in the latter, proving that none were present in the former. That organisms would have been found by this method, if they had been present in the fluid, is shown by the fact that, if bacteria were injected into the animal immediately before death, they were found in the beakers and in the flasks. I have also stained the granular matter present in these beakers with methyl violet, according to Koch's method, and have failed to find any organisms (see Plate V. fig. M). From all these facts it may therefore be regarded as certain that organisms do not originate spontaneously, in the sense formerly held, under any circumstances, but that they appear in animal or vegetable fluids and tissues as the result of the entrance of solid 'particles into these after their exit from the living organism. That the question has narrowed itself to this, that it is now no longer a question of spontaneous origin of organisms in fluids which have been severely boiled, but that it is a question as to whether some of the 'particles which get into fluids and which resist heat may not be organic molecules not necessarily derived from pre-existing bacteria, or whether they are bacteria or their germs, is evident from what has gone before, and at last Dr. Bastian has formulated similar views in his paper in the 'Nineteenth Century 'for February 1878. He says : — ' The modern opponents and supporters of the doctrine of spontaneous generation have always been principally concerned with two sets of problems, (1) As to the nature of the material in the air, the access of which is so apt to induce fermentation in suitable fluids ; (2) As to whether some degree of heat below 212° Y. can be proved to be always sufficient to destroy FINAL STANDrOlXT OF THE THEORY. 107 the life of different kinds of living matter in the moist state, but especially that of bacteria and fungus germs. ' In regard to the first set of problems it has been generally agreed for some time that the air contains some germs of living organisms, but that what proportion these bear to the much more bulky, and probably more numerous, organic particles and fragments resulting from the breaking up of previous living matter of various kinds, is uncertain. It has also been gener- ally admitted that any living organisms or germs which chanced to fall from the air into suitable fluids would initiate fermenta- tion or putrefaction therein. The question really requiring to be solved has always been (though it has not been uniformly recognised) whether mere organic debris from the air, either in the form of particles or of larger fragments, could or could not also bring about such changes in suitable fluids.' This view corresponds very closely with the position which Liebig was ultimately driven to take up on the subject of fer- mentation, and Dr. Bastian says : ' It is Liebig's doctrine which legitimately suggests the doubt above mentioned in regard to the possible potencies of atmospheric particles other than actual germs .... If it has been shown that the appearance and increase of the lowest living particles are always a coiTelative of these processes (fermentation and putrefaction), Liebig's view, if it be true at all, must be true for the tuliole of the -processes ' which are essentially included under the term fermentation.' It will thus be seen* that Liebig's theory and Bastian's recent views stand or fall together, and that the facts against one tell equally against the other. Just now I shall only deal with Bastian's views, but their intimate relation with Liebig"s theory must be borne in mind, so that the full significance of the facts opposing the latter may be recognised in their bearings also on the former. Dr. Bastian later on says : ' I go no further than to say that in the present state of the evidence bearing upon the subject I regard the hypothesis of spontaneous generation as the most logical and consistent interpretation of the facts which are at present known.' We must therefore consider what the evidence on this subject is, and whether there are any grounds for accept- ' Tlie italics are miue. 108 SPONTANEOUS GENERATION. ing the theory that the organic molecules which give rise to bacteria originate from matter other than pre-existing bacteria, rather than the view that they are directly derived from pre- existing bacteria, in other words, that these particles are nothing more or less than bacteria or their germs. . I. Firstly, there is nothing unreasonable in looking on these particles as bacteria or their spores ; indeed, Dr. Bastian admits that some of them are derived from bacteria. But if some, why not all ? Because some resist heat more than others ? We shall return to this presently. We know that the seeds of plants are often wafted by the air, and this is more likely to be the case the lighter the seed, and therefore it is generally admitted that the seeds of fungi, large or small, are carried by the air. Indeed, both Pouchet and Pasteur found and recognised the spores of fungi in air dust.' Further, bacteria propagate by fission in fluids, that is to say, one bacterium develops from another. This process has been often observed. Then, again, some forms of bacteria have been found to produce spores, notably forms of bacilli. Thus the spores of Bacillus anthracis have been fully described by Koch, and still more recently the occurrence of small sporules of excessive minuteness has been described by Ewart.^ Ewart has also asserted that other forms of bacteria, especially of Spirillum, produce spores in like manner. If then in fluids bacteria always grow from bacteria, if some bacteria like fungi produce spores, why refuse to believe that the particles in the air which give rise to bacteria are these organisms themselves or their spores, just as the particles which produce the larger fungi have been shown to be their spores ? The excessive minute- ness of the bacillus spores renders them difficult of discernment in fluids under the microscope. When dried and shrunk we ' In December 1880, having collected a quantity of laboratory dust by aspiration of the air through gun cotton for several weeks, I dissolved the gun cotton in ether and alcohol, and collected the dust on a glass slide : this dust was stained with methyl violet according to Koch's method (see Chapter XII.), and a drawing of it is given in Fig. 35, Plate V. It will be seen that one or two bodies are present which are indistinguishable from bacteria and micrococci, and these bodies have been stained by the methyl violet. '^ Se3 Praccedings of the Royal Society, 1878. SPORES CARRIEU BY THE AIR. 1L»0 should expect them to be hardly visible ; and if the spores of such large organisms as Bacillus anthracis are hardly visible, how much less likely are we to find the spores of organisms which themselves can be seen only with difficulty ? It seems to me that it would be a very extraordinary thing if in the case of these minute organisms alone, the particles which gave rise to them were not derived from pre-existing forms. But when we find that under certain circumstances the same form of organism originates from these particles, as we should expect were the latter spores, the case is made still stronger. This latter fact will be more evident w^hen we come to consider the relations of these bodies to fermentations, but I shall here mention one experience related by Mr. Lister.' In some experiments on the growth of a fungus in urine, a form of micrococcus, which he terms Granuligera, constantly appeared in the urine. He found that these were really organisms, from an opportunity which he had of watching their growth. He then says: — 'About this time, my study suffered from an epi- demic of Granuligera. I could not now perform the same experiments with the same success as in the first instance : any that I tried was sure to be followed by the development of this pervading organism. I eluded it, however, by continuing the investigation in a room at the top of the house, which had been for a considerable time unoccupied. Here the results of the experiments corresponded with those originally obtained in the study.' In this experiment there cannot be the slightest doabt that the particles which gained access to the cultivating fluids were these micrococci or their spores, if they have any. It could hardly have been some form of organic molecule not derived from these organisms which always gave rise to exactly the same forms. Such are some of the facts which show that it is not un- reasonable to look on these particles as bacteria or their germs ; and Dr. Bastian, as I have already said, admits that some of the particles are derived from pre-existing bacteria. II. Secondly, not only is it not unreasonable to regard these particles as bacteria or their germs, but there is no direct evi- dence whatever that organic molecules not derived from bacteria can give rise to bacteria. ' See Transactions ofihc Royal Sonrty of Edinhuryh, 1875. '_>UU SPONTAXEOUS GENERATION. Look at all the facts I have brought forward as to unboiled fluids aud tissues. I have shown that the most diverse organic fluids and tissues may be preserved for an indefinite period, without the development of organisms so long as the particles in the air and on surrounding objects are excluded. And yet these substances are full of organic molecules derived from previously living structures. Cut a piece of liver, kidney, muscle, or other tissue from a healthy animal not yet dead, and place it, with precautions to exclude atmospheric dust, in a flask containing cucumber solu- tion. Here you have at first in the fluid and in the tissue living cells and living organic molecules — and we know, as in the case of muscles, that life may be retained for some time — and yet no organisms appear. These living organic molecules of all kinds do not give rise to bacteria or any other form of life — they die. Again, when the same specimen has stood for some time, we have a highly putrescible and fermentescible material con- taining dead organic molecules of all kinds ; and yet no life appears, and such flasks may be kept for an indefinite time without the development in them of life. But again, these organic molecules are not only dead, but decaying. They undergo slow oxidation — what Liebig has termed eremacausis. And yet they do not develop into or induce the appearance of living forms. Organisms only develop in these fluids and tissues when bacteria or their germs or when atmospheric dust is introduced. Whence, then, are the hy|3othetical organic molecules derived ? If they do not develop life in such fluids as cucumber or meat infusion, or in meat itself, under the conditions described, how is it that they come to do so after having floated through the air ? Is it that they have acquu-ed new ijroperties in the air, or is it that the organic molecules (not derived from pre-existing bac- teria) which, falling from the air into the fluids or on the tissues, give rise to living forms, are specially manufactured in the air ? One or other of these conclusions must be accepted, and I say they are both equally untenable. And when I come to speak of the relations of organisms to fermentations, more especially to fermentations occurring in wounds, I shall bring forward evidence of a similar character. EVIDENCE FROM UNBOILED TISSUES. L^Ol Thus I take flasks containing pure, highly putrescible fluids, such as meat or cucumber infusion, or milk, and I introduce into them pus, blood, or serum from wounds, and place them under the most favourable circumstances for the development of organisms, and yet no organisms develop. The same reasoning applies here as in the case where larger living masses, as liver, have been introduced into similar infusions. On the other hand, if bacteria or micrococci are present in the dis- charge (and I confirm this by microscopical observation), organ- isms develop in these flasks, and organisms of precisely the same morphological characters as were present in the original discharge. But let us glance for one moment at Paul Bert's work. He subjects such substances as saliva, pepsine, myrosin, emulsin, &c., to high pressures, say twenty atmospheres, and he finds that when the normal pressure is restored, these substances have not in anyway suffered, as regards their ferment- ing power. On the other hand, he places putrefying or fresh meat under a similar pressure, and after restoring the normal pressure, he finds that if he excludes fi'esh atmospheric particles, putrefaction is in the first case arrested, and in the second, never takes place. Organisms never again develop unless fresh dust is admitted. From the first set of experiments we see that organic mole- cules when they have any power of acting are not deprived of it by high pressure, while from the second we learn that under similar circumstances life is destroyed, and no new life appears. And yet this cannot be because the power of generating organ- isms, which organic molecules are supposed by Dr. Bastian to possess, has been destroyed by the high pressure ; for, as we see in the first experiment, dead organic molecules, as distin- guished from living ones, retain their powers even under this pressure. The organic molecules, then, which originated the bacteria were living molecules, but tiot imerely any living molecules, as is evident from the liver experiments, hut living molecules derived from 'pre-existing bacteria. Then, again, Cazeneuve and Livon's experiments, which will })e detailed presently, prove exactly the same points. They show that it is not organic nioloculos in urine or in the wall of '202 SPONTANEOUS GENERATION. the urinary bladder which originate bacteria, but that it is organic molecules derived from the dust of the air ; in other words, derived from pre-existing bacteria.' All the proof which Dr. Bastian attempts to adduce on this point is to bring forward the opinions of several eminent meta- physicians as to the first origin of life on this globe. But with all respect for these great minds, I do not see one particle of proof, but merely metaphysical speculation, in the extracts quoted. Dr. Bastian removes the question to the first origin of life, and at once throws aside the creation view as untenable. I do not intend here to enter on this question, but I for one am not prepared to go so far. III. Thirdly and lastly, we have no evidence that active organic molecules can resist heat more than living things can. Let us take the so-called ' unformed ' ferments, which consist of active organic molecules. The action of saliva on starch is favoured by a temperature of from 35° to 40° C, but its amy- lolytic activity is permanently destroyed by heat, even below the boiling point, applied for a few minutes. The same is true of gastric juice ; 'at temperatures much above 40° or 50° C. the action of the juice is impaired. By boiling for a few minutes the activity of the most powerful juice is irrevocably destroyed.' (Foster.) And so with pan- creatic juice, &c.^ I have previously discussed at length the errors in experi- ment and observation which have led to the belief that or- ganisms can develop in materials subjected to a m.oist heat for a sufficient length of time. And I have quoted Dr. Eoberts's refutation of the experiments with alkaline fluids. 1 stated on page 193 that I had only met with one in- stance, in an exceptionally long experience, of difficulty in sterilising an organic fluid. This fluid was milk got from a particular shop near the Strand. When I got fresh milk from ' Again, Pasteur by his experiments of opening vessels in different situations has distinctlj' shown that all particles of dust do not cause development of organisms ; for undoubtedly organic debris did get into all his flasks, esijecially those opened outside, and yet it was only when certain special particles entered that organisms developed. 2 Compare also Bastiau's views on the Disrvpticc At/piici/ of Ilcaf, referred to at page 190. RESISTANCE OF BACTERIA TO HEAT. 203 a dairy in Albany Street, I had no difficulty in rendering it barren by immersion in boiling water for a few minutes. But the milk from the shop near the Strand has been immersed in boiling water even for three hours, and yet organisms deve- loped in it. It is to be noted that in all cases the bacteria were identical in form and in the effect which they produced on the milk : they were a form of long bacillus. Now here we had some particle which got into the milk and caused a special change in it, and a constant development of a particular and easily recognisable form of organism — an organism which, more- over, has been found by other observers to resist heat, and especially dry heat, in an extraordinary manner. Is it reason- able to suppose that the particles which gave rise to these organisms were organic molecules derived, goodness knows from what, or specially manufactured in the air of this shop ? Or is it not more reasonable to suppose that the air was infected with some form of bacterium or its spores, just as in Mr. Lister's case with Granuligera, and that this special form or its spores possessed the same resisting powers which it has been found to have in other parts of the world. For I may add that the spores of bacilli are stated by all who have investigated the subject to be possessed of extraordinary resisting power. After all it is not a matter of great surprise that an organism should resist a heat of 210° F. (that has been ascer- tained by Mr. Lister to be the temperature of milk immersed in this way), for Prof. Jeffries Wyman tells us of a form of alga which lives normally in water the temperature of which is 208° F.' With this great mass of evidence, and I could have multi- plied it manifold, I do not see that there can be grounds for ' Doy^res found tliat dried Tardigratlos were not destroyed till the tem- perature reached 140'^. Payen showed that thcspores of oidium aurantiacum did not lose tlieir ger- minating power till the temperature readied 140° C. Milne-Edwards has found tliat dried organisms could resist a \Qry high temperature. Instances of great resisting power of seeds to heat have been brought forward by Tyndall and others. Mr. James Sanderson, of Galashiels, tells me that in some specimens of wool obtained from South America, seeds of medicago are present, which develop even after the wool containing them has been dyed— ?.^. after the}' have been subjected to \ n, longed boiling and to the action of various clicmical sulistanccs. 204 SPONTANEOUS GENERATION. any longer retaining the view of spontaneous generation. It wonld just be as sensible to suppose that in the impregnation of the ovum of higher animals it is not the spermatozoa, but some organic molecule accidentally introduced at the . same time which causes the development of the ovum, as to suppose that it is not bacteria or their spores but some organic molecule manufactm'ed in or specially altered by passing through the air which produces bacteria in organic fluids and tissues. 'VITAL' AND 'CHEMICAL' FERMENTATION. 205 CHAPTEE XL RELATION OF MICRO-ORGANISMS TO FERMENTATION. Summary of what has preceded with reference to fermentation. Relation be- tween ' vital ' and • chemical ' fermentations : theories of fermentation. Liebig's views. Alcoholic fermentation : PasteitrKt experiments and concln- shns. Resume. Butyric fermentation. Formation of pigment by bacteria Schroeter : Colin. Viscous fermentation. Lactic fermentation : Pasteur: Lister. Other fermentations, especially the putrefactive : Lemaire ; Caze- neuve and I.ieon : Paul Bert. Conclusions. We must now pass on to the relation of these bodies to fermen- tations, and I will here merely indicate the chief points without entering into a discussion on the subject And first, I may .say that it is now admitted by Dr. Bastian, s well as by other observers, that organisms are present in all fermenting fluids. This statement was formerly denied, on account of the imperfec- tion of the methods of examination. We have already seen in the iirst part of this work that the cause of fermentation in organic substances was the entrance into them of solid particles held in suspension in air. We have also seen that the cause of the development of organisms in fluids and tissues was the entrance into them of particles sus- pended in the air. We also know that in all fermentations organisms are present, and that in the absence of organi.sms no fermentation occurs. What more likely, then, than that the particles which cause fermentation, and the particles which originate organisms, are one and the same ? that in fact the fermentation of a fluid is the result of the growth of organisms in it ? The process in these ' vital' fermentntions may be brouo-lit into the same category as that in fermentation by the 'un- formed ' ferments, if we sn])])<)S(» that the immediate cause of the chemical change in the fujiner instance is some chemical 20G FERMENT A TION. substance resembling ptyalin, pepsin, &e. No doubt there is this difference between ordinary fermentations and those due to a chemical substance, that in the former case the ferment itself increases in quantity. This difference would, however, be easily reconciled if we were to suppose that each organism was a former of the ferment, even though to an extremely limited degree. The process in these ' vital ' fermentations, of which we may take the alcoholic as an example, would then be the same as in the so-called chemical fermentations. Thus, to speak of the case of the saliva, ptyalin is not a chemical compound formed spontaneously, nor is it the result of any sort of double decom- position ; it is a substance formed as the result of the vital action of certain living cells. According to the view under consideration, the alcoholic ferment would be likewise the pro- duct of the vital action of certain cells, the yeast cells. The ptyalin itself has not the power of self-multiplication, but the cells which form it produce it continuously; the ferment of alcohol would not have the power of self-multiplication, but the cells which form it produce it continuously. This explanation agrees completely with the contrast between the effects of ptyalin on starch, and those of yeast on sugar. The ptyalin is more or less immediate in its effect. It is a very active formed ferment. The yeast acts slowly because the ferment is only produced as the plant grows. Hence the explanation of the rapid action of the one and of the progressive action of the other. The apparent self-multiplication of the ferment in the alcoholic case would be due to the fact that the producers of it are free — float freely in the fluid - and hence ultimately no drop of it can be taken which will contain sufficient ferment to act without the ferment-producers being also present. In the case of the saliva, the ferment-producer is fixed, and the ferment is obtained alone and apart from its originator, hence it does not multiply. The same causes which arrest the production of ptyalin arrest also the alcoholic fermentation, for they destroy the living cells which form the ferment. The case of emulsin would be exactly the same as that of yeast. The emulsin itself does not multiply, but the seed, the producer of it, does. Sow a seed of the bitter almond, and there sjjrings up a phnt bearing numerous seeds, numerous producers THEORIES OF FERMENTATION. 207 of emiilsin. Sow a yeast cell, and there follows the growth of numerous yeast cells, each producing a quantity of the ferment. Considerable support is given to this view by the experi- ments of Musculus, on the mechanism of the ammoniacaL fermentation of urine. This has been shown to be due to the growth of an organism in the urine (Micrococcus urese, Cohn). Musculus' demonstrated that, by adding absolute alcohol to am- moniacal urine, a precipitate was obtained which could be filtered and dried. This precipitate transformed urea into carbonate of ammonia. Its power was destroyed by exposure to a tem- perature of 80° C. This soluble ferment is a secretion of the micrococcus urese. According to another view it may be that the organisms, while living in various substances, feed on them, and the pro- ducts of the fermentation may be either the portion of the food which has been rejected by them, or products formed in and excreted by the organism. Or it may be that, as Pasteur holds, the cause of the fer- mentation is not the production of a ferment but the breaking up of the chemical compounds by the growing plants in the search for nutriment, more especially for oxygen. It is quite clear that there must be such a breaking up. Or, again, it may be that in this breaking up of the organic compounds some of the molecules may rearrange themselves and form a ferment, and the presence of a ferment of this kind I consider the best explanation of some of the special fermentations, though I incline to hold that the ferment is excreted by the cell itself. It is, however, probable that in different fermentations the process occurs in different ways. Thus in the pigment fermen- tations, as will be seen, the second is probably the correct explanation. The point of importance is that in any case there is nothing unreasonable in associating these changes with the growth of living cells ; in fact all analogy points to such a relation. The only other theory which is tenable in the presence of the facts stated, would be that the ])articles which cause fermen- tations are not the same as those which give rise to the growth of organisms, but that they are bodies which have only the • 3Iagni2i, Jiaetrria 208 FERMENTATION. power of causing fermentation, and are possibly either sub- stances in a state of decomposition or special ferments. But then it is inconceivable that fermentation and the development of organisms should always be associated, or that organisms of the same form, e.g. the yeast cell, should always be present in the same fermentation. Supposing this view possible, we must assume that there is a special organic molecule for each fermentation, for otherwise we could not explain the occurrence of lactic fermentation in one flask, putrid fermentation in another, pigment fermentation in another, &c., all the flasks containing the same specimen of milk having been filled at the same time and kept under the same conditions. Liebig originally propounded the view that fermentation was a change in organic fluids and tissues, set in motion by the access of oxygen or of bodies in a state of decomposition. He at that time regarded organisms as quite accidental. He sup- posed that when organic matter was exposed to the air, it underwent a slow process of oxidation which he termed ereraa- causis ; and that this change, communicating itself to other molecules, caused them to break up or putrefy. In the presence of the facts stated as to the relation of dust to the fermentation of boiled and unboiled fluids, Liebig modified his views, and in his last publication he admitted that the yeast plant was in some way or other connected with the alcoholic fermentation, but he thought that the relation between them most frequently consisted in this : — that when the yeast cells died, they decom- posed, and that the chemical change thus set agoing was propa- gated to the sugar, and caused it to break up into alcohol and carbonic acid. That Liebig's theory of decaying inatter is incorrect Avill be seen by a consideration of the facts mentioned on pages 200 and 210. Liebig was not latterly, however, absolutely opposed to the acceptance of the doctrine that living organisms are initiators of fermentative changes. On the contrary, to quote from Bastian, ' he slightly widened his views after the coiTelation of organisms with fermentations had become established, and endeavoured to show that the admitted actions of living units in initiating fer- mentations were but other exemplifications of his general doctrine, that fermentations are induced by certain communi- ALCOHOLIC FEIiMENTATION. 209 cated molecular movements, sometimes emanating from organic matter in a state of decay, and sometimes resulting from the vital processes of living units.' Had Liebig left out the part of the view which holds that fermentations may be caused by movements, ' sometimes emanating from organic matter in a state of decay,' there would not have been much to find fault with. His theory would then have been merely another way of viewing the mode of action of these living bodies. Certain definite facts are known which show that organisms do take part in certain fermentations, while I have already disproved Liebig's view that decaying matter has any power of causing these changes. The facts to which I am about to allude, when taken together with the constant presence of organisms in other fermentations of the same class not yet in- vestigated, render it, to my mind, certain that living organisms are, probably in one or other of the ways indicated, the causes of these chemical changes. A Icoholic Fev)iieittatioit. The first case of fermentation which was studied, and about which most is known, is the alcoholic fermentation. The facts and experiments on tliis subject are now so universally known that it would be superfluous for me to do more than summarise them here. The yeast plant (Toriila cerevisice) is always present in a state of vitality during the alcoholic fermentation of sugar. If yeast be raised to the temperature of 60° C, at which temperature the cells die, the fermentation of sugar no longer occurs. Here the cells are dead, and if Liebig's view be correct, that dead cells, not living ones, are the cause of the fermentation, the process ought still to go on. The juice of the grape has no spontaneous tendency to imdergo fermentation, as shown by the exijeriments of Van der Broeck, S:c., formerly mentioned, and by the following experi- ment narrated by Pasteur. In a flask of the form shown in Fig. 68, A) the neck (a) of which w^as drawn out to a fine point, Pasteur boiled water which had ])een used to wash the outside p 210 FERMENT A TIOX. of a grape, and which therefore, according to other experiments, contained abundant causes of the alcoholic fermentation. This point (a), which had been sealed, was heated, and plunged through the heated skin of a grape (Fig. 68, B). It was then broken in the interior of the grape, and, by causing a diminu- tion of pressure inside of the flask, a drop or two of the juice was sucked into the boiled water. (The diminution in pressure was thus obtained. After heating the walls of the flask with the hand or a lamp, the orifice of the bent neck (Fig. 68, A, 6) was sealed. When the point of a was broken off in the interior of the grape a little juice passed into the flask.) The orifice a was then sealed? and the orifice h opened. Here, then, he had in the flask unboiled grape juice, oxygen, water, dead organisms, and organic mole- FlG. C7.— TOKULA CEREVISIiE. (AFTER Pasteur.) 3 A Fig. G8. — Pasteur's experiment on unuoiled grape juice. A, tlic flask cmployorl. a. The neck v/hicli is represented in B a-s plunj^ed into the grape. 6, Tlic orifiof of the lient neck at first scaled till the grape juice has been introduced and tlien ojjencd and left open. (From Pasteur.) cules, and yet no alcoholic fermentation occurred. This and other experiments' led Pasteur to the following conclusions : — ' Sue Etudes mr la Biire. ALCOHOLIC FERMENTATION. 211 'The boiled juice of the grape never ferments when kept in contact with air which has been deprived of the germs suspended in it. ' Boiled grape juice ferments when a very small quantity of water is introduced, in which the surface of the grapes and of the branches of the vine have been washed. ' Grape juice does not ferment after the introduction of this water if the latter has been previously boiled and cooled. ' Grape juice does not ferment when a small quantity of the juice taken from the interior of a grape is introduced.' Pasteur further shows that the apparently spontaneous com- mencement of fermentation in these fluids is due to the existence of spores of the torulse in the air, though they are not, as a rule, present in great abundance. He also brings forward experiments to show how other fungi, such as Myco- derma aceti, can, when there is too little oxygen present, cause the splitting up of sugar into alcohol. .Seeing, then, that boiled and unboiled grape juice may be preserved unaltered in presence of air which has been heated, or in some way or other deprived of its dust, it is quite evident that alcoholic fermentation is not a spontaneous decomposition nor one which can be brought about by the action of the gases of the air alone. Seeing, also, that the yeast plant is alwavs ])resent when fermentation is going on, that anything which destroys the vitality or interferes with the growth of that plant arrests or interferes wuth the alcoholic fermentation, and that the introduction of dust which does not contain the torula cells is not rccompanied by the alcoholic fermentation but by some other change, we must conclude that the particles which fall into fluids and give rise to alcoholic fermentations are in- timately associated with the particles which give rise to yeast cells, and further that they are living particles subject to the same laws as the yeast cell itself. And seeing, further, that other ]>lants when living under certain conditions are also capable of giving rise to the alcoholic fermentation, we must conclude that this change is a process due to changes in living tissues, that, in fact, the fermentation is the result of the life of these cells and ])lants, and that, therefore, the i)articles which, falling into iluids, give rise to tlic Toiiila cerevisia', and those which give V 2 212 FERMENT A Tl ON. rise to alcoholic fermentations, are one and the same ; in fact thai the growth of the yeast cell is in some way or other the cause of the alcoholic fermentation. Butyric Fermentation. Pasteur has also brought forward evidence of a similar nature as to the butyric fermentation. The organisms which produce butyric fermentation are bacilli [Bacillus stibtilis, Colm), which apparently live without free oxygen, and indeed are killed by it, and which when cultivated in various fluids, even in Pasteur's solution, cause butyric fermentation in all (see Fig. 69 and also Fig. 64). Formation of Pigmeoit by Bacteria. Fig. 69. -Bacillus subtilis, (after Cohn.) Striking facts as to the *'°^' association of a definite chemi- cal change with the presence of organisms of a definite form were brought forward by Cohn and Schroeter with regard to ' pigment bacteria.' ' They showed that while many forms of organisms could grow on such soil as boiled potatoes, yet a definite pigment was produced only when one particular form was present. These organisms gener.dly belonged to the group of ' micro- cocci,' though sometimes pigmentation was caused by bacteria, as in blue pus (see Fig. 70). These pigments were sometimes scarlet, sometimes blue, sometimes soluble, sometimes insoluble ; and when a variety of soils were inoculated from an individual specimen, the same colour, with the same chemical and other characteristics and the same organism, always resulted. Not only might these pigment bacteria grow on boiled potatoes, they could flourish Beitragc zur Biologic dcr Fjlanzim. FORMATION OF PKrMENT BY BACTERIA. 218 Fig. 70.— Pigment producing organisms. A, Micrococcus prodigiosus. B, Micrococcus fill vis. C, Bacillus ruber. on cheese, meat, white of egg, bread, starch, &c., the same 2)igment being invariably produced. The conditions under which this pigment appeared were exactly those which were most favourable to the life of the organisms, while those in which it was absent were those in which the organisms could not develop. Schroeter concludes from his investigations that these ex- amples show what a manifold series of pigments may be produced ' by bacteria and bac- teridia.' He adds that the or- ganisms which form them can often be recognised as distinct owing to the difference in the pigment produced ; the organ- isms which form the various pigments being often also dis- tinctly separable by different morphological characters, and tlie different pigments behaving differently with reference to chemical reagents. He considers that it is not unjustifiable to hold that each separate pigment is formed by a distinct specific organism. Schroeter points out that the pigments are definite chemical substances formed by the bacteria from organic, albuminous materials, and tliat the process is therefore quite analogous to the formation of alcohol by the yeast plant or of lactic acid liy other bacteria. Cohn farther found that these same organisms developed readily and produced tlie same pigment in artificial cultivating fluids contarninr/ ammonia, and a carhonate, hut no trace of albumen. Once obtained in this fluid tliey could be propagated indefinitely, the same pigment being constantly ])roduced. Tn this instance we have an exam])l(' of a definite change bi'ought about by the growth of a dfliiiitc form of organism. No spontaneous change ever occurs in Colm's artifu-ial fluids resulting in the formation of these pigments, and yet as soon 214 FFAtMENTATIOX. as these organisms, which are associated with definite pigments when growing on albuminous soil, are introduced into these mineral solutions, the same pigments appear. That in the latter case the pigment is formed by the bacteria is evident, for it is a complex organic substance, closely related to the aniline colours, and yet in this instance it is derived from a few inorganic salts. It is therefore a substance formed by the living plants, and, as before remarked, there is nothing remarkable in this production of pigment by living cells. It is only what is constantly occur- ring in many animal and vegetable cells, and in the latter it is formed from inorganic compounds. Indeed, it would be against all chemical experience that by any purely chemical process a complex organic compound would be so readily built up from a few inorganic compounds of a very simple kind. These facts absolutely prove that the pigment fermentation was the result of the life of the organism, for the pigment must have been built up by it and could not have originated from chemical changes projoagated to the fluid. If then Dr. Bastian is correct in his opinion that ' Liebig's view, if it be true at all, must be true for the tvhole of the processes which are essentially included under the term fermentation,' these facts alone overturn Liebig's theories. Viscous Fertnentation. Similar facts are known with regard to the viscous fermen- tation of sugar. This is a transformation of sugar into gum mannite, and carbonic acid, and results in the formation of a viscid, ropy fluid. Pasteur found that organisms of a special form were present in such instances, and these organisms when sown in Pasteur's solution always caused this viscous fermentation. The kind of proof is exactly the same as in the other instances of fermentation, and need not be repeated here. Lactic Fermentation. An instance in which the causal relation of organisms to a fermentative process is absolutely demonstrated is the lactic fermentation of milk. This fermentation was investigated several years ago by LACTIC FERMENTATION. -215 Pasteur, ' who showed that it was exactly analogous to the alcoholic fermentation, and that it was caused by a special organism. On examining fluids which were undergoing lactic fermentation he observed that minute round or oval cells were constantly present. These organisms when transferred to fluids capable of nourishing them always produced lactic acid. To prove that these organisms were the cause of the fermentation he made a decoction of yeast, to which he added sugar and chalk. When they were sown in this fluid lactic fermentation oc- curred, resulting in the formation of large quantities of calcium lactate. This fermentation has of late been more fully studied by Mr. Lister, and as his experiments bear on the whole subject of fermentation, I shall refer to them somewhat at length. As I have previously mentioned, Mr. Lister ^ found that milk had no inherent tendency to undergo the lactic fermentation ; in fact, unless it was brought into a dairy or into contact with dairy vessels or workers, all sorts of fermentations would occur rather than the lactic. On examining milk undergoing lactic fermentation he found that an organism of a definite and easily recognisable form was constantly present, while in milk which was not brought into the dairy, and which did not undergo lactic fermentation, this form of organism was absent. ' This organism is a motionless bacterium occm'ring most commonly in pairs, but frequently in chains of 3, 4, or more indi- viduals, each segment being of somewhat rounded form, more or less oval, with the long diameter in the direction of the length of the chain, and often showing, on careful focussing, a line across their central part, indicating transverse segmenta- tion. They vary in diameter. . . full-sized specimens measur- ing about y7rt¥^^^^ inch.' The question now arose, Was this organism, so constantly present in milk which was undergoing the lactic fermentation, the cause of that change or not? Was some other bacterium the active agent, or was it some hypothetical organic molecule ? Mr. Tiister solved these jjoints in the following beautiful manner. He prepared a series of flasks containing milk which ' A II lift lis tic Chilli rf lie P/ii/ti., vol. lii. ]). III". - Triinaarliiinii iif ihr Pitniohuprtil Snrirfi/ of Linii/iin, 1878. 1^10 FERMENT A TION. had been boiled. These were kept for some time till it was certain that the milk had been rendered sterile. Having cal- culated how many of these oval organisms were present in a given quantity of fermenting milk, he diluted this milk so as to have only one bacterium in a definite quantity {e.g. yJ,oth of a minim) of the fluid, su})posing that the bacteria were equally diffused throuirhout it. Fig. 71.— r.ACTEiuuM lacti-; IN PAIKS AND CHAINS. In one cliain the component cells arc uncU-roroing division. (After Lister.) This was rlone in the following manner :— ' By means of the syringe already described ' (one graduated to the y-i-^th of a minim) 'one or more hundredths of a minim could l>e measiu'ed with precise accuracy; and I found that J^th minim exactly occupied a circular plate of thin covering glass, half an inch in diameter, so that when such a drop was placed on a glass slide, and a cover glass of the size mentioned and quite flat was put down upon it, all air was expelled from under the latter, nnd the rim of fluid that formed round about its margin was so narrow as not to measure a quarter of the diameter of the field of the micro.scope even when the highest magnifying power was used. In other words, -^^M^ minim was disposed in a thin uniform layer of the exact size of the cover glass. Hence the number of bacteria under the glass slip — that is to say, in ^g'o^h minim— was equal to the number of the bacteria in a field of the miscroscope multiplied by the number of times the area of that field went into the area of the covering glass. The micrometer gave the diameter of the field in thousandths of an inch ; and the cover glass measured 500 thousandths of an inch across ; and the areas of the circles were of course proportioned to the squares of those diameters. All that was needful, therefore, in order to enable me to calculate the number of bacteria in -^(^th. minim, was to form a fair estimate of the number of bacteria per field, and this was done by counting the organisms in a cousidei-able number of fields, and taking the average. ' As the result of the estimate which I made of the number of bacteria present in every -^th minim, I found it necessary to dilute the milk with no less than a million parts of boiled water, in order that eveiy xocj^^i minim should cont:iin on the avei-age a single bac- terium.' LACTIC FERMENTATION. 217 Having obtained the necessary dilution Mr. Lister pro- ceeded as follows : — ' One-hundredth minim of the infected water was added by means of the syringe to each of five glasses of pure boiled milk. The result of this inoculation was that only one of the five glasses was affected at all.' The others remained unchanged, without fermentation, and without bacteric develop- ment. The one which was affected underwent lactic fermen- tation, and in it the bacterium lactis alone was found, no other form of organism was present. This bacterium was inocu- lated into urine and developed there. After four days milk was inoculated from this urine. The milk underwent lactic fer- mentation, and these bacteria were again found. Drops of urine, diluted so as to contain three bacteria per drop, caused lactic fermentation in all the vessels to which they were added. The following experiments afford absolute proof that the bacterium was the cause of the fermentation : — ' On August 30 last (1877), having provided sixteen pure glasses of boiled milk, and having estimated, in the manner already described, the number of bacteria present in every -^^\\\ minim of a glass of boiled milk, which had been inoculated the day before by touching it with a heated needle dipped in milk curdled under the influence of the pure ferment, I diluted a drop of this milk with boiled water to the requisite degree, and introduced into each of ten of the sixteen uncontaminatod glasses a drop calculated to contain on the average a single bacterium, while five of the rest received each a drop supposed to contain two of the organisms, and the remaining glass was inoculated with a quantity in which, according to the estimate, there would be four bacteria. The result was that within three and a half days the glass into which four bacteria were supposed to have been introduced contained a curdled mass, and tlie five which had received the drops arranged for two bacteria each had all undergone a similar change. Of the ten inoculated with drops averaging one bacterium each the majority were at tliis period still fluid, but some assumed the solid condition in the course of the next twenty-four hoTU's, though at different times. P>ut of this series of ten, exactly five, ns it so hapjwned. remained permanently fluid.' Every glass in which curdling had occurred contained the •218 FERMENTATION. bacterium lactis ; the five glasses in which the milk was unaifected contained no organisms. Hence it seems clear that when this organism is present in milk lactic fermentation occurs. Where it is absent this change does not take place, for, as jMr. Lister argues, we could hardly suppose that an organic molecule or ferment would occur exactly in the same cases as the organisms appeared, unless there was some intimate relation between them. If organic molecules, independently of the organisms, were the cause of this fermentation, some flasks ought to undergo lactic fermentation without the presence of any organisms ; others ought to show development of these organ- isms, but no lactic fermentation. Other Feo'TJientations, especially the Putrefactive. I may just refer more as a matter of historical interest than of real use in this question to Lemaire's experiments with carbolic acid and his opinions on fermentation.^ Lemaire showed that the addition of carbolic acid to organic fluids and tissues prevented putrefaction and other fennentations. Carbolic acid, according to hira, did not interfere with the fermen- tations caused by ' unformed ' ferments, such as synaptase, &c. He then pointed out that the unformed ferments can act at temperatures at which the other ferments are inert, as, for in- stance, at zero and at 70° C. Trituration of yeast destroys its fermenting power, w'hile trituration of emulsin does no harm. In, fact anything that favours life favours alcoholic and allied fermentations, while anything which is inimical to life is also inimical to these fermentations, though many of these things do not interfere with the action of ' unformed ' fer- ments. I have before referred to the experiments of Cazeneuve and Livon on unboiled urine. The method of obtaining the bladder with its contained urine has been previously described ; and in the successful experiments formerly mentioned on p. 37, no organisms were ' L'ac'ulc plii'niqiic, 18(;5. CAZENEUVE AM) LI VOX. -JIU found, while if the somewhat concentrated urine were removed and diluted with ordinary water it became alkaline in twenty-four hours, and filled with ' torulacee.' Results similar to those men- tioned were obtained when the urine had been previously rendered alkaline by the administration of soda or potash. Puncture of the bladder was soon followed by alkalinity and development of organisms in the urine : hence it is not the absence of oxygen from the m-ine which is the cause of the absence of change in it. The following experiment shows that the merest trace of oxygen is all that is required, if indeed it be at all necessary. Prevent the evaporation through the walls of the bladder, by immersing it, immediately on its removal from the body, in melted paraffin at the temperature of 45° C. This temperature is insufficient to destroy the germs which fell on the wall of the bladder dming its transit from the abdomen to the paraffin.* Thus a layer of paraffin covers the outside of the bladder, pre- venting the rapid evaporation of the fluid which exudes while living organisms are present on the wall of the bladder. In twenty-fom' hours remove the paraffin case. It is then found to contain an alkaline tmbid fluid full of organisms. These organisms have not, however, had time in twenty-four hours to penetrate into the interior of the bladder, and therefore the urine inside is found to be still acid and devoid of life. The same is the case with ttrine rendered alkaline — the fluid outside contains organisms, that inside is free. But let the bladder be first dipped in paraffin at 100° C, so as to destroy any living organism in contact with the wall, and then, after removing it from this paraffin at the end of a minute, let it be plunged into paraffin at 45° C, so as to get a thicker coat (this paraffin is previously heated to 110° C, and during cooling is protected from the dust), it will be found that even after three days the fluid outside the bladder — in the paraffin cup — is still clear, acid, and devoid of organisms. Leave this bladder now exposed to the air for say five hours, then give it a new coating of paraffin at 45° C, and leave this on ' 'I'lie reason why the organisms do not develop on tlie bladder Iiung up in the air is tliat the fluid dries as soon as it exudes, and therefore tlie organisms ha\e IKJ tluid in wliirh to develop. 220 FERMENTATION. for three days. The fluid outside the bladder will be found in this case to be ammoniacal and to contain organisms. Hence the walls of the bladder and the fluid in the interior were not modified by the heated paraffin in the first part of the experiment. These experiments alone are sufficient to refute Liebig's view of organic molecules and decaying matter ; for in the first part of the experiment they were present in an unlimited amount, but so long as organisms were excluded no fermentation occurred. Their bearing also on the theory of spontaneous generation will be at once evident, and has indeed been already alluded to. I would only refer here to the experiments in which the urine was made alkaline.^ and in which therefore we had a natural alkaline urine full of organic molecules and in contact with the tissues of the bladder, and yet no organisms appeared in it so long as the dust of the air was excluded ; in other words, the alkali had no influence in determining the re-arrangement of the nur)ierous organic molecules ivhich were -present in the wcdl of the bladder and in the fluid in its interior^ so as to form new living beings. This is in exact correspondence with Dr. Eoberts's results, and is a much more telling experiment. Some very remarkable and convincing facts have been lately obtained by Dr. Paul Bert.' On subjecting the ' unformed ' ferments, such as ptyalin, pepsin, inversive ferment, myrosin, find eraulsin to high degrees of pressure, he found that the properties of these ferments were not in any way impaired. Thus to quote Experiment 467 : — ' 21 Juillet 1 874. Saliva humaine etendue cl'eau et plac^e clans un mairas etii^e a la lampe, et soumis k 15 atm. d'un air suroxygdne. ' Le 30 Juillet je decompinme et soude I'extremit^ du tube effiI6. ' 18 Janvier 187.^. Cette saliva qui ne. sent rien et parait bien noi-male, neutre aux reactifs, transforme avec une grande 6iiergie I'amidon cnit en glycose.' It was proved by a former experiment (p. 201) that the amy- lolytic property of ptyalin was not altered by diminution of pressure, and the same is true when the pressure is increased: ' La Pi-egsion haromvir'uiuc. PAUL BERTS EXPERIMENTS. 221 and, what is of great importance, other ferments of the same class, which axe apt to lose their properties when kept, owing to the occmrence of putrefaction, retain these after being subjected to strong pressure if new causes of putrefaction are excluded. The explanation of this fact is simply that the bacteria and fungi are killed by the high pressure. Bert also enquired whether these ferments could continue to act, in this compressed air, and he found that though they did continue to act the rapidity of their action was manifestly diminished. Thus Exp. 470 : — ' 20 Janvier. Salive, amidon cm et eau. Bien mele et place dans plusieurs tubes. On s'assme que le melange ne contient pas de glycose. ' A — a la pression normale, bouche avec coiiiet de papier leu verse. 'B — a 21 atm. d'air suroxygene. ' Tous les deux sont mis a I'etuve, 30 degi-es. ' 25 Janvier. Essay e avec liqueur bleiie : — ' A — 7ce en redui&ent 35 gouttes. ' B — 7ce en reduisent 14 gouttes.' This result was, however, not obtained unless the fluids were examined within a few days. At a later period, especially if diastase was employed, the contrary was found ; the fluid, subjected to compression, containing more sugar than the other. It was found that the explanation of this was that the diastase which had remained exposed to the air had become altered, owing to the growth of organisms in it, while organisms being unable to develop in that subjected to high pressure, the diastase had retained its properties and continued to act. Paul Bert concludes : ' All the soluble false ferments with which we have experimented, diastase, ptyalin, pepsin, inversive ferment, myrosin, emulsin, have yielded the same result, and liave retained their characteristic properties, after the prolonged action of oxygen, at a high pressure. Indeed, as this compressed oxygen destroys the germs of fungi, vibriones, &c., which sooner or later destroy these ferments when exposed to ordinary air, the latter remain unaltered for an apparently indefinite period of time.' If we now coni])iux' these f.icts with lliosc oblained by sub- jecting the ' true ' ferments — those causing putrefaction, &c. — to 2-2-2 FERMENTA TION. high pressures, we shall find a remarkable contrast ; the latter class of ferments behave under high pressures like living beings, not like the unformed ferments just mentioned. Bert says : ' The most striking face which has been made out in these experiments is that, in air sufficiently compressed, putrefaction does not occur, no disagreeable odour manifests itself, and muscle, for instance, preserves its normal appearance except in colour ; its microsco})ic structure is not markedly altered.' Thus Ex}). 404. ' 17 Mars. Viande en morceaux et eau ; dans 2 petits matias effilus a la laiiipe. A — a la pression noimale. ' B, B' — a 16 atmospheres d'une compression faite avec de I'air contenant 80 pour 100 d'oxygene. ' 26 Mars. Decompiime. A, pouni, infect. B n'a pas d'odein- et est neutre aux papiers reactifs,' But this is not all ; for when one restores the pressure to the normal, taking sufficient precautions to prevent the entrance of new organisms from without, putrefaction no longer occius, and unboiled meat may be preserved at the normal pressure for an indefinite time after being subjected to high atmospheric pressures. The precautions required to prevent the entrance of organisms after the compression, and to ensure the complete destruction of those present, are detailed on p. 184. Exp. 407. ' 20 fevrier. On met dans 1.5 tubes 15 morceaux de viande pesant chacun 1 gr. Ces tubes sent ensnite etires a la lamj)e et soumis dans I'appareil en fer, a 15 atmospheres tr6s-siiroxygenes. ' 3 Mars. On decomprime avec precaution et Ton ferme a la lampe les 15 tubes. L'analyse de 3 d'entrc eux, faite aussitot, donne de 70 a 80 povir 100 d'oxygene. ' 13 Mars. ' On brise nn des tubes sous le mcrcure : viande ambreo, pas d'odeur, reaction acide. On trouve 6-2 pour 100 d'acide carbo- nifpie et 77-8 d'oxygene.' From a large number of experiments Bert finds that a pres- sure of twenty-one atmospheres is sufficient to kill the organisms which cause putrefaction. Similar facts were made out as to fermentations in blood, eggs, urine, milk, alcoholic fermen- tations, &c. A fact which he observed more especially in con- nection with blood and milk, is worth mentioning. He found that in the case of milk, as in the case of other substances. PAUL BERTS EXPERIMENTS. 223 putrefaction was arrested by compressed air. But if tubes were used neither coagulation nor rapid acidification were prevented. Was this because oxygen in tension was without action on the bacterium lactis ? or was it that the coagulation of milk was not the work of these microscopic organisms, but rather of some agent which can resist oxygen, as we have seen to be the case with the ' unformed ' ferments ? On further in- vestigation, however, he found that the result depended on the thickness of the layer of liquid. If it was thin the tendency to coagulation was destroyed. Exp. 431. ' 10 Aout. Lait bouilli ; mis £^n couche de 2 a 3 millimetres d'epaisseur dans deux cristallisoirs neufs et bien laves. ' A — a Fair libre, sous un verre qui arrete les poussieres. * B — a 25 atmospheres d'air suroxygene. ' 14 Aoiit. Decomprime. ' A est coagule depuis le 11 et sent tres-mauvais. ' B est licjuide, ne sent aucune odeur et parait normal.' Paul Bert sums up his results with milk as follows : ' These experiments prove in a very conclusive manner that oxygen in a state of high tension prevents the coagulation of milk, that is to say, kills the vibrios which cause the lactic fermentation. As the action of these organisms is very rapid, it is necessarv, in order to arrest it, to employ oxygen at very high pressures and to have the fluid in a thin layer, so that the oxygen can saturate it quickly. In the case of putrefaction, which occurs much more slowly, these excessive precautions are not necessary ; milk differing from blood in not consuming the oxygen as it penetrates the liquid, the gas has time to reach the bottom of the tubes and to kill all the jjutrefactive agents present. This fact explains how one can so easily, by means of compressed air, prevent milk from putrefying, and yet have so much difficulty in preventing its coagulation.' It would be superfluous to pursue the })roof of this matter further. The greater part of the preceding ])ortion of this work has consisted of evidence which, taken together, can leave no doubt on the mind that putrefaction, like other fermen- tations, is caused by the growth of organisms in the putrefying material Pasteur's researches have Itnl him further, and caused 2-M FERMEXTATIOX. liini to adopt a theory of fermentation which has certainly many facts to support it, though I doubt if it can hold good in many instances. He thinks that when a substance putrefies two classes of microscopic organisms are at work, the first in point of time being chiefly engaged in abstracting the free oxygen from the material, and the second, which then appear, being unable to live in free oxygen, but nevertheless requiring oxvgen for their growth, and obtaining it from the chemical combinations present. The result of this extraction of oxygen is the breaking up of these compounds — their putrefaction — and the rearrangement of their elements to form new com- pounds, which constitute the products of putrefaction. Whe- ther Pasteur's theory be true or not, all the experimental results taken together, as well as the numerous facts known as to the power of antiseptics in arresting this class of fermentations, render it no longer doubtful that the particles which fall into organic materials and cause fermentations there, are the same as those which, falling on the same substances, give rise to the lower forms of organisms ; in other words, are bacteria or their spores. MICRO-ORGANISMS IN THE LIVING BODY. -255 CHAPTER XII. RELATION OF MICRO-ORGANISMS TO THE FLUIDS AND TISSUES OF THE LIVING BODY. Proposed mode of enquir}^ — Does the aseptic method prevent putrefaction ? Does it exclude organisms from wounds ? Ranke's results : Klebs' objec- tion : Ranke's reply : Demarquay : Fischer : Schiiller : my own method — Results in aseptic wounds — Results in wounds treated otherwise — Koch's method of staining pus — Results in cases not treated aseptically — Exam^Dles of complete exclusion of organisms in aseptic cases — Examples of the en- trance of micrococci in aseptic cases — Definition of micrococci — Distinc- tions between micrococci and bacteria. Are organisms present in the healthy living body 1 — ' Bistournage.' Are organisms present in the body in states of disease ? — Experiments with ammonia, phosphorus, &c. — The healthy blood and tissues can destroy organisms — Relation of organisms to abscesses. How do micrococci enter aseptic wounds ? Carbolic lotion a sufficient germicide ; Spra}^, its value — Stimson's experiments ; Gauze dress- ing as a protection against entrance of organisms ; Carbolic acid as a germicide in albuminous fluids ; Relations of micrococci and bacteria to fluids containing carbolic acid. Conclusions. All the experiments which have been referred to as yet relate to fluids and tissues removed from the body and pre- served in flasks. It now remains, before quitting the subject, to enquire if our conclusions hold good for fluids and tissues retained in connection with the living body. An investigation of this sort has been demanded by some writers, as, for instance, by Mr. Holmes. At least that is what I take him to imply by the following passage' (I can see no other meaning in it): 'When we are told that, in order to practise antiseptic surgery, we must believe in the germ theory, then I cannot but say that belief is not a voluntary act ; it must follow upon proof, and no convincing proof of the germ theory as applied to living tissues and living pheno7nena has, as far as I know, yet been offered.' Granting that I inteqn-et Mr. Holmes' meaning aright, I venture to differ from him as to the necessity for such ' See MacC'ormac's Antisejjtic Surgery, p. 51. Q 226 FERMENTATION. facts, but nevertheless I think it well to introduce here some investigations which I have carried on with reference to this question.' The mode in which I propose to ascertain whether the former conclusions apply to the living body or not is by the examination, in various ways and under varying circumstances, of fluids and tissues in the body. We have before seen that the method which we have agreed to term the aseptic method of treatment is nothing more or less than a series of experiments on the germ theory of putre- faction — experiments made with the object of rendering atmo- spheric dust inert before it reaches the wounds. We shall attain the object of the present enquiry by ascertaining how far these experiments are successful. In discussing this ques- tion the following points suggest themselves : — Does the aseptic method of treatment prevent putrefactive or other fermentations in the discharges or tissues of wounds ? If putrefaction is prevented are organisms also excluded ? If under any circumstances organisms do enter wounds so treated, what are the peculiarities of these bodies ? Are organisms present or do fermentations occur in fluids or tissues in the living body, which have never been exposed to the atmospheric dust ? If organisms are present, how is their occurrence to be explained ? If organisms enter wounds treated aseptically how do they get in ? 1. First, then, does this method prevent putrefaction ? Un- doubtedly it does. Compare the course of an abscess, con- nected with diseased bone, opened and kept open without aseptic precautions, with that of one opened in accordance with strict aseptic principles. In the former case the i)us raj^idly undergoes fermentation, in all i)robability putrefaction ; in the latter case the discharge does not undergo fermentation, and remains sweet and pure till healing is complete, however long that may be. I have at this present moment in my mind such a case. A patient, a young woman, came under Mr. ' For many details not luentioued here, see the Transactionis of the Pathol nijica I Sorirty for 1879. MICRO-ORGANISM^'^ IN WOUNDS. 227 Lister's care in August 1876, with spinal disease and psoas abscess. Subsequently a psoas abscess appeared on the other side, and later a lumbar abscess also. I dressed the case almost from the first myself, and though these dressings were changed at first daily and then ultimately weekly for nearly four years (for complete healing did not occur till June 1880, though there had been, for a long time, only minute sinuses furnishing almost no discharge), yet neither putrefaction nor any other fermentation ever occurred in the discharge from these wounds. Indeed, I may say, from long experience of Mr. Lister's practice and from long use of his method myself, that one who has had some experience in this method may now reckon with certainty on avoiding putrefaction or other fermentative change in discharges from any wound made in a situation where aseptic dressings can be applied, provided always that the treatment be strictly carried out by the method described at length at the beginning of this work. 2. Such being the facts with regard to the absence of putrefaction, is it equally the case that organisms are absent from the wounds ? We saw a constant relation between the bacterium lactis and the lactic fermentation : can similar facts be found with regard to aseptic and septic wounds ? The first communication on this subject was made by Dr. Ranke,' of Halle, in 1874. He published a note of 300 exami- nations of the discharge from fifteen wounds treated aseptically, and following an aseptic course, in which he states that on only one occasion did he fail to find organisms. His method was v^imply to look at the discharge through a microscope, and it was not a particularly high power which he employed. The organisms which he says were present were for the most part mi- crococci in pairs, also streptococci ; more rarely small or middle- sized bacteria. He did not carry his investigations farther, but on this evidence he rejects the germ theory as sufficiently explaining the etiology of septic diseases. While by some these observations have been regarded as accurate and as confirming their previously formed views, by many they have been looked on as erroneous, either from having been made on cases in which the aseptic method had been ' Chirurg. Centralhlatt, No. lii, 1874. ti 1.' 228 FERMENT A TIOX. imperfectly carried out, or in themselves faulty. In answer to objections of the former nature urged by Professor Klebs ' of Prague, Dr. Eanke^ published another paper in July 1876, quoting cases to show that the treatment had been in reality properly carried out. He instances especially cases of hydro- cele, treated by making a small incision into the sac with aseptic precautions and stitching it to the skin, where cure followed without any inflammation or constitutional disturbance, but where, nevertheless, organisms were present in the dis- charge. From those cases, as well as from the various pub- lished reports of the results of Professor Volkmann's practice, there seems no reason for doubting that the observations were made on wounds treated with all due precautions, and following an aseptic course similar to that which Mr. Lister himself would expect. About the same time Demarquay ^ published the results of eight cases treated ' antiseptically,' in all of which organisms were found. The general course of the wounds so treated, as described by the author, and the fact that one of the eight cases died of pyaemia, show that whether the cases were treated antiseptically or no, they were not treated aseptically. Two years later there appeared a paper by Dr. Fischer of Stras- burg,'* giving the result of investigations carried on in Professor Llicke's wards. He employed chemical tests, especially acetic acid and glycerine, as recommended by Von Eecklinghausen, and he found organisms in all the cases examined. He, how- ever, states that bacteria were not imfrequently present, his results differing in this respect from those of Dr. Eanke. Now, it so happens, I spent the summer of 1876 in Strasbjirg, and thus had frequent opportunities of seeing the ' aseptic practice ' in that hospital, and 1 can only say that I was not sui-prised when I heard that bacteria had been found in the wounds. The last paper on this subject was published by Dr. Schiiller^ in the spring of 1877. In his investigations at- ' Archivfiir ExperimvtAclle Patholor/ie, Bd. iii. p. 315. - Deutsche Zeitschrift fUr Ckirurgie, Bd. vii. p. 68. 3 Comjjics-Bendiis, 1874. ' Deutsche Zeitschrift filr (,'hvnirfjic, Bd. vi. p. 320. * Ihid. Bd. vii. EXAMINATION OF ASEPTIC WOUNDS. '2->U tempts were made to cultivate organisms from wounds. He found that in many eases organisms were absent both from the discharge and the cultivating liquid, whilst in other cases they were present. He does not specify what the nature of these organisms was, and he is inclined to associate their presence in wounds with the occiurence of tension, &c. There are various objections to his results, but these I need not stay to discuss. As long ago as 1876 I began a series of investigations on this matter. My first observations were of the same nature as those made by Dr. Fischer; that is to say, I not only examined the discharges microscopically, but I also treated them with acetic acid and glycerine. These substances are recommended by Professor Recklinghausen for this purpose, the glycerine being supposed to dissolve the fat granules and the acetic acid to render the protoplasm invisible ; thus, only nuclei and micro- organisms are left. On treating pus in this way I found that a large quantity of granular matter remained, and, though I very soon arrived at the conclusion that bacteria — i.e. rod-shaped organisms — are not present in the discharge from cases treated asejjtically, I could not say whether among the granular matter seen there were or were not micrococci. This difficulty is the greater as there is more granular matter in aseptic wounds than in others. I therefore soon commenced a series of cultivation experi- ments. The following was the principle on which I acted. On introducing a particular form of organism into a suitable pabu- lum with precautions against the entrance of others, this form of organism will grow there. This being the case, theoreti- cally one would only require to inoculate some suitable pabulum with various discharges — on the one hand to get a development of organisms, on the other to find the fluid remain free from organisms, and unchanged. Various preliminary experiments, which I need not detail, established this. For the present investigation some suitable pabulum must be taken, sterilised, and inoculated under proper precautions with discharges from wounds. If we have a really pure pabulum, and the inocula- tion has been carried out in such a way as to prevent the en- trance of any extraneous organisms, the inference, where development occurs, would naturally be that organisms have 280 FERMENT A TIOK been present in the fluid from which the inoculation was made. If, on the other hand, the same method has been employed, and no organisms develop, the inference would be that no ors^anisms existed in the fluid. I first used milk, but for various reasons I gave it up, and tried Pasteur's and Cohn's fluids, and, after reading Schiiller's paper, Bergmann's ; but I found these artificial solutions too insensitive to be of any value for my purpose. I then used vegetable infusions, more especially turnip, and ultimately infusion of cucumber, which last seems to be very sensitive. I also employed in many cases an infusion f meat. The infusion having been prepared, is filtered, introduced by syphon into Mr. Lister's double-necked flasks, boiled for twenty minutes, kept for some days (at least two) in an incu- bator, and then decanted under a spray of carbolic acid into smaller purified flasks, which are likewise placed in an incubator for several days before being used. These flasks are covered with cotton wool caps purified by heat or carbolic acid, or they stand on a glass plate and are covered by a glass cap and a glass shade, as described before in the case of Mr. Lister's liqueur glasses. For the purpose of inoculation, small capillary tubes, such as those used for vaccination, were employed. These possess the advantage over needles, in that, while they take up a larger quantity of the discharge, they protect it from the carbolic acid of the spray during the transit from the wound to the flask. The tubes are dropped into the flask containing the cucumber, and this is then placed in an incubator kept at the temperature of the human body. (See Fig. 72.) The procedure maybe shortly described as follows: — The outer portion of the dressing having been removed under the carbolic acid spray, a tube which has been previously purified in carbolic lotion is heated in the flame of a spirit lamp in the spray, so as to drive off all the carbolic lotion and to render it dry. This tube is now rapidly introduced into the drainage tube, and from thence immediately into the flask which is opened in the spray close to the wound. The flask is then placed in an incubator kept constantly at a temperature of 98° Fahr. In the case where flasks with cotton caps are used EXAMINATION OF WOUNDS. 231 it is well in performing an experiment to wet the margin of the cap with carbolic lotion before lifting it, so as to prevent any dust from falling from the cap into the fluid. This is a very important precaution. Having ascertained that the method proposed was perfectly trustworthy, I proceeded to the investigation. In performing the experiments I always inoculated two flasks, and often another was taken and the whole process gone through in the same place, with this difference, that the tube in the latter case, when heated, was put directly into the flask without touching the wound. These latter flasks remained, without exception, clear. When development occurs in the flasks inoculated the fluid generally becomes muddy in 30 to 50 hours, but where the fluids remained clear I have kept them in the incubator for weeks, and then tested them by the addition of some substance containing bacteria. As a result, I find that in cases treated aseptically, where of course there was an unbroken skin to start with, one of two things may happen — either the fluid re- mains perfectly clear, without the develop- ment of organisms, showing that none were present in the wound ; or the fluid becomes turbid from the presence in it of organisms of the form seen in Fig. 1, Plate I. In both cases the wound may follow an aseptic course ; i.e. no local or constitutional disturbance results from the operation, and from the appearance of the wound one could not tell in many cases whether these organisms were present or absent. From Fig. 1 it will be seen that these organisms are minute spherical bodies arranged in pairs ; in t riplets, in which case they form a triangle (a very important point in distinguishing them from other forms); in groups of four (positions which bacteria never take up) ; also in short chains and groups of larger or smaller size. In fact they belong to the group of the Bchizomycetes termed micrococci. I have said that in many cases one could not tell from the Fig. 72. —Flask con- taining CULTIVAT- ING FLUID INOCU- LATED FROM A WOUND. 202 FERMENT A TIOX. course of the wound whether these organisms are present or absent, but sometimes their presence can be suspected. Those who have worked long at aseptic surgery will have met with cases where when a dressing is left on for six or seven days, or when adeep dressing is left for some weeks, the discharge acquires a sour odour and the skin around the wound becomes somewhat excoriated. As the wound in other respects follows an aseptic course, Mr. Lister concluded that this was probably a chemical change taking place between the discharge and the materials in the gauze dressing. Knowing the peculiar property pos- sessed by salicylic acid of preventing chemical fermentations, Mr. Lister uses it in such cases with the effect of diminishing or preventing this change. In these cases I have always found micrococci. If micrococci be grown in a small quantity (3 to 8 drachms) of cucumber fluid, after three days they seem to die ; at any rate, they will not grow in any liquid. But yet if the fluid be kept for some weeks it will gradually become red, till it ulti- mately is of a dark vermilion tint. Thus chemical changes continue after the activity of the organism has ceased. May not something of the same kind occur in these cases ? Chemical changes are primarily set agoing by these organisms, but con- tinue of themselves, and thus salicylic acid acts by preventing these changes, as Mr. Lister supposed, though, according to this view, the organisms are necessary for their commencement. If now we contrast these results with those obtained in wounds not treated strictly asej^tically we find this marked difference, that in none of the latter were organisms absent^ while in almost all bacteria as tvell as micrococci were present. It is to be observed that in many of the cases antiseptics were employed, both in the external dressings and injected into the wound, but no precautions were taken either to penetrate to all the recesses of the wound with the antiseptic so injected, or to prevent the access of organisms during and after the dressings. I may mention that in four cases which were originally treated aseptically bacteria were found, but in all these their presence was indicated by disagreeable smell or by symptoms of local or constitutional disturbance. It is thus evident that bacteria as well as micrococci can flourish under an antiseptic KOCH'S METHOD. 233 dressing. The explanation of their absence must therefore be that the circumstances which permit of the entrance of micrococci are not such as to allow the advent of bacteria. ■ It was thus satisfactorily established that there was a very marked difference between the discharges of aseptic wounds and of those not treated aseptically. From the former, organisms were generally absent till about the end of the case when the dressings were left on for several days. In the latter, organisms are ^present, even within the first twenty-four hours. Again, in the former, when organisms did appear they constantly belonged to the group of micrococci, in the latter rod-shaped organisms were frequently present as well, and generally in large quantities if there was any putridity in the wound. It was just possible that an objection could be brought against these results to the effect that organisms might have been present in the discharge of aseptic wounds, but that they were unable to develop in the fluid used for cultivation. To obviate this objection as far as possible I used a variety of cultivating fluids and got the same results with all.- During the spring and summer of 1880 I renewed the study of this subject in a different manner. I adopted Koch's method of staining bacteria ' and I employed it in all Mr. Lister's cases from the beginning of March till the end of June (four months), and my results confirm in every respect those which I had got by the method of cultivation. I find that, in the first few days after an aseptic operation no organisms can be found in the discharge, and that, when they ultimately do appear, they are micrococci, not bacteria. On the other hand, after operations not performed aseptically organisms are generally present from the first, and as a rule these consist of bacteria as well as micrococci. The principle of this method of staining is that various aniline dyes, more especially metliyl violet, fuchsin and aniline brown, stain chiefly the nuclei of cells and bacteria ; though these are generally the only bodies stained, yet in some cases, especially if the staining is excessive, other albuminous granular matter may also become coloured. However, even where such is the case ' See Cohn's Bcitr'dgc znr liiologif dcr PJianzcn. 234- FERMENTATION. the organisms can, as a rule, be easily recognised by their form and arrangement. The pus or other fluid to be examined is spread in a very thin layer on a cover glass or slide, and left to itself to dry or dried over a spirit lamp. In the case of albu- minous fluids it is well to do nothing more for at least twenty- four hours. These cover glasses may be kept for months and then used, for no organisms can grow on the dried materials. In order to stain the specimens a few droj^s of a saturated solution of methyl violet or of fuchsin in alcohol are added to distilled water till a sufiicient depth of colour is obtained. This can only be determined by experience, but it is well to stop be- fore any precipitation can be detected. (Dr. Ogston recom- mends a watery solution of methyl violet of the strength of half a grain to the ounce.) A drop of this solution is allowed to fl-ow over the cover glass, being retained in contact with the material to be stained for about one minute. It is then washed off with distilled water and the cover glass again dried as before. When quite dry it is mounted in Canada balsam. When aniline brown is used a concentrated solution in glycerine i^ prepared. This is filtered, and one part of the filtrate is added to an equal quantity of distilled water and an equal quantity of pure glycerine. This mixture is now filtered and is then ready for use. I find that this fluid, while it does excel- lently for staining organisms in such fluids as cucumber, turnip infusions, &c., does not stain them well in pus. I find it best in the latter case to place a drop of the staining fluid on a slide, then lay on the cover glass, the material to be stained being of course lowermost. Leave this for twenty-four hours and then suck out the staining fluid with filter paper, introducing in its stead pure glj'cerine. This is a difficult process, and the specimens are frequently not quite clean. However, if one examines the layer attached to the cover glass, one sees what was in the material ; the fragments which are floating free may consist of all sorts of debris. The specimen is then surrounded with cement. The results of these methods of staining are very beautiful. If the staining is not too intense, only the nuclei of the pus-cells and any organisms which are present are stained, and the latter can be recognised with the greatest readiness with a sufficiently high power. RESULTS OF THESE INVESTIGATIONS. 285 So much for the method. Plates I. to IV. illustrate the results. Let us take first some specimens from wounds which have not been treated aseptically. Here it will be seen that there are always organisms, and that these generally consist both of bacteria and micrococci, though sometimes of one or other alone. Look at any wound not treated aseptically, which has not united by first intention, and which has been somewhat recently made, and you will get this result. Case \. — Fig. 2 is a specimen of the discharge taken from a com- pound dislocation of the thumb a few days after the accident. The wound had not been treated aseptically, and it had a very foul smell. (The patient, by the way, died of tetanus.) Here a great variety of organisms will be found — bacteria, bacilli of various kinds, and micrococci. Case 2. — Fig. 3 is a specimen of discharge taken from a wound of the scrotum in which a small slough was Ipng. The wound was syringed out daily with carbolic lotion 1-40, and dressed with boracic ointment. The discharge had a very foul smell. Here there are multitudes of minute bacteria, bacilli, and mici-ococci. Case 3. — Fig. 4 was taken from a case in the out-patient room, not treated aseptically. There was not much discharge and no jiutrid odour ; rather a slightly rancid smell. Here well-marked liacilli can be seen. Discharge taken on two occasions presented the same appearance. Case 4. — Fig. .5 was taken from a case of amputation of the thigh which had been done two days previously, and had been treated by irrigation, though I must say, for the credit of irrigation, not very efficiently. Here there was a slight smell. Bacilli are present. Case 5. — Fig. 6 was taken from a case of excision of the hijj-joint where numerous sinuses existed previous to the operation, and whei-e, therefore, there was no hope of eradicating putrefiiction. I dressed this case myself, washing out all the sinuses daily with 1-40 carbolic acid lotion, and applying boi-acic or salicylic acid ointment, and out- side this boracic lint. The specimen figured was taken more than four months after the operation, and contains numerous bactena ; this, observe, although the wound had been treated assiduously for months with antiseptics, but not aseptically. At the end of March some pieces of dead bone were fdt, and these were removed on April 1st. The wound and sinuses were thorougldy washed out with chloride of zinc and dressed as before. 230 FERMENT A TION. The disoharge, taken two days later (on April 3rd), had a putrid odour, and contained numerous large and small bacteria. On the following day (April 4th) it presented the same appearance. Sixteen days after this second operation (on April 17th) there were still numerous bacteiia present Case 6. — Take again a case of Syme's amputation performed on March 9th, 1880, for disease of the ankle-joint. Several sinuses were included in the flaps. Free drainage was employed, and salicylic or boracic ointments and boracic lint. This case went on veiy well ; i.e. there was at first a little odour, but this was very slight and soon almost entirely disappeared. The discharge got less, and the wound came to look somewhat like an aseptic wound. Fig. 7 (March 15th, from drainage tube) shows chiefly streptococci in pairs ; no typical micrococci, nor the colony form of micrococci ; small bacteria ; a few long rods. On March 17th the discharge taken from the drainage tube con- tained chiefly oval bacteria ; also streptococci {i.e. spherical bodies in chains) ; no typical micrococci ; a few long bacteria. On April 12th the organisms were much less numerous, there being only a few streptococci and bacteria. April 14th, very few organisms — streptococci. April 16th, I'ather more organisms than in the last — only strejito- cocci. There had been a little retention of the discharge. May 14th, a considerable number of streptococci; also a few oval bacteria : drainage not quite perfect. Here we see that organisms were present, but so long as the discharge flowed freely away, they did not develop. When tension occurred they grew. The wound did very well, and forms of micro- cocci were the chief organisms present. So much for examples of cases not treated aseptically. In all cases organisms were present, and these were almost always bacteria. The more putrid the discharge, the more numerous and the smaller were the bacteria (Bacterium termo?). The better the progress of the wound, and the better the drainage, the fewer the organisms ; but nevertheless there was always some form of organism present, and had I inoculated infusions from them, I should certainly, according to my former extensive experience, have got bacteria, as well as micrococci, to develop in all cases. The significance of the diminution in number of the bacteria in the last case is a point which I shall not discuss here. I will merely state that in some wounds following a RESVLTS IN ASEPTIC WOUXDS. 237 very satisfactory course micrococci only can be found by this method of examination.^ Let us now look at cases treated aseptically. I shall only mention a few instances, but I may state that I have examined, in almost all cases, specimens of discharge taken at every dress- ing with the same results as are illustrated here. In the first place, I will give two cases which show that all forms of organisms may be permanently excluded by strict asep- tic treatment. Case 7. — Take first the most testing case of all — one of em- pyema. Here at each change of the dressings air is sucked in with every inspiration, but when the dressing is done with aseptic pre- cautions, this air has been acted on by carbolic acid. We shall therefore see whether the spray is efficient in destroying organisms. The case of empyema to which I refer was one of considerable standing, and was opened aseptically on March 7, 1880. The cavity of pleura was not washed out, and during the whole of the treatment no carbolic acid or other antiseptic was applied to the interior. Hence if organisms got in, they could develop just as freely as in a flask. There were no organisms in the pus when evacuated. The dressing was changed daily. Fig. 8 is a specimen taken on March 15th, eight days after the thorax was opened. This contains no organisms of any kind, neither bacteria nor micrococci. Hence for eight days the spray had been efficient. Fig. 9 was taken on April 13th, i.e. thirty-seven days after the incision. Specimens examined in the interval were free from or- ganisms, and here it will be seen that there are no organisms of any kind. This result is the more convincing, as for some days there had been a difficulty to the exit of the fluid, and some discharge was pent up in the lower part of the thorax. This was let out on April 13, and the specimen was taken from this fluid. Now my invariable experience has been, that when such accumulation occurs, if organisms were present before, they will be found in large numbers in the retained fluid ; in fact they develop just as freely as if the fluid were in a flask. A specimen taken on April 19th — i.e. forty- three days after the in- cision — was also free from organisms. This case seems to me an absolute proof of the efficacy of ' In these cases, Ihou.^h iiiicrncocci alone could he found, yet cultivation ex- periments would in all ))robal)ility have revealed the ijrosence oi' bacteria as well. l>38 FERMENTATloy. the spray in destroying the activity of the particles in the air which give rise to organisms and fermentations ; for here the action of the living tissues, to be afterwards discussed, could not come into play — the fluid was under the same conditions as if it had been in a flask placed in an incubator. The conditions exactly correspond with my spray experiments (p. 26 et seq.). Case 8. — Take next a case of incision into the knee-joint in a case of gelatinous degeneration of the synovitil membrane before suppuration had occurred. Mr. Lister has found that, in tliese cases, free incisions on each side of the patella, and the insertion of a drainage tube into the joint, olten brings about a cure without sup- duration and without the necessity for further operation. It was so in this instance. The incision into the knee was made, and drainage tubes inserted, on May 10th. On May 14th 7io onjanisms were present in discharge taken from the drainage tube. On May 16th, same result. Fig. 10 is a specimen taken on May 20th from the drainage tube : no organisms. A specimen was also taken on May 20th from a plug of lymph in a small chronic abscess beside the knee, opened on May 12th, and here also there were no oiganisms. On May 22nd there were still no organisms. I might mention a number of cases to show that where the dressing is frequently changed, organisms may remain absent for a long time, or even altogether. Therefore where the dressing is changed frequently, and where the various aseptic precautions are thoroughly carried out, organisms never develop in the discharges. As a rule, however, the dressing is not changed so fre- quently, and then, though organisms are absent at the com- mencement of the case, they frequently appear towards its termination. In that case, however, the organisms which appear belong to the group of micrococci. The following cases illustrate this. Case 9. — I will t;»ke first a case treated strictly aseptically, and following a typical ' aseptic course.' This case illustiates the entrance of micrococci after some days. The patient, a young man fet. 26, had suffered for a long time from a sore on his leg, which had now become epitheliomatous. The MICROCOCCI IX WOUXIJS. 239 patient was very weak. Amputation was performed through the middle of the thigh. The case followed a typical course. There was no rise of temperature. The patient felt at once relieved by the removal of the disease, and his appetite and strength began to improve from the day of the operation. The wound healed by first intention, except where the drainage tube was. When this was removed the sinus became filled with lymph, and this becoming vascularised, healing took place completely without the occurrence of granulation. The amputation was performed on April 8th. Fig. 11 was taken on April 9th (first dressing) from the drainage tube. Xo organisms, but there is a good deal of granular matter. Fig. 12, taken on April 10th from the drainage tube (second dressing). No organisms. Less granular matter. Much less dis- charge. The dressing was now left unchanged for two days. Fig. 1 3, taken on April 1 2th from the drainage tube. Xo organisms. The dressing was again changed on April 14th, and one or two bodies were then seen which might be micrococci, but of this I could not be certain. Fig. 14, taken April 16th. A piece of lymph was clipped away and rubbed over the surface of a cover glass. There was almost no discharge. Line of incision soundly healed. The piece of lymph filled up the place where the drainage tube was. (The drainage tube was removed on April 14th.) Distinct micrococci; no bacteria; almost no leucocytes — those that are present being badly formed. The dressing was now left on for three days, and in a specimen taken on April 19th from the little bit of lymph there was nothing hut micro- cocci. No bacteria and no leucocytes. The dressing was now left on for four days. In another specimen taken on April 23rd, also from the lymph, which had by this time become in the main vascularised, micrococci were present in gi-eat numbers. No bacteria. Here we see the typical result in a case where the ordinary rule was followed of not changing the dressing till the dis- charge comes to its edge. In this case displacement of the dressing was the cause of the frequent changing of the dressing latterly. For six or eight days no organisms appeared in tlie discharge. When they did appear they were micrococci. Bacteria never got in. Further, the micrococci, though lat- terly present in enormous numbers, never caused suppuration nor did they apparently interfere with the healing of the wound. 240 FERMENTATION. Case 10. — Case of excision of the mamma and axillary glands for sciirhus, done on March 19th. Fi". 15, taken from the drainage tube on March 20th, contained no organisms. A specimen taken from the drainage tube on March 21st contained no organisms. A specimen taken from the drainage tube on March 22nd contained one or two micrococci. These micrococci were more numerous at the next diessing on March 26th, and they were present in large numbers on March 31st and on April 2nd ; no bacteria having appeared, as will be seen in the next specimen. Fig. ,16, taken on April 4th, when the wound was almost completely healed. Here there were numeroics micrococci, but no bacteria. In this case the micrococci got in earlier than we have yet seen — viz. on the third day after after the operation — but never- theless bacteria never appeared, and the wound did not seem any the worse for the presence of the micrococci. That micrococci may get in even earlier than this, if there is but little overlapping and much discharge, is evident from a case of removal of a small epithelioma from the cheek, where only a small dressing was applied, which was left on for two days. The discharge obtained on the second day — i.e. at the first dressing — was found to be full of micrococci. The edges of the wound were not brought together, but it became filled with blood-clot, and healing occurred under this without any sui:>pur- ation at all, and more rapidly than I have ever known it take place in such a wound, and yet numerous micrococci were present even from the first. Case l\ also illustrates this. A keloid was removed from the back of a man's neck on March 24th. A small dressing was applied, but there was a good deal of discharge, which reached the edge of the dressing a few hours after the operation. Specimen 17, taken at the first dressing on March 25th, shows a few micrococci. A specimen taken on March 28th (third dressing), and one taken on March 31st, showed the presence of micrococci in large numbers, but no bacteria appeared at any time. And now I come to two cases illustrating very important points as to the som'ce of these organisms. In these cases I MICROCOCCI IN WOUNDS TREATED ASEPTICALLY. 241 have examined the discharge, not merely in the drainage tube, but at some distance from the wound, under the gauze dressing, and I have found that, though there might be no organisms in the wound, yet they might be present at the edge of the dressing, and that micrococci had generally advanced nearer to the wound than bacteria. Case 12. — Excision of the mamma and axillaiy glands, done on March 27th. A specimen taken on March 28th from the drainage tube (first dressing) contained no organisms. Discharge was taken oh March 31st (third dressing) from the dressing, at a considerable distance from the 'iround. The dressing had not been changed for two days, and the discharge had readied the edge some hours before the visit. This specimen contained both micrococci and bacteria. A specimen of the discharge taken at the same time from the drainage tube contained 7io organisms. (See Fig. 18, Plate III.) Examined again on April 2nd (from drainage tube, fourth dressing). No organisms found. Discharge taken on April 4th from the dressing, at some distance from the wound, contains bacteria and micrococci. (See Fig. 19, Plate Iir.) Fig. 20 is from a specimen of the discharge taken at the same time from the drainage tube, and contains no organisms. A specimen taken from the sinus on April 6th contained no organisms. A specimen taken from the sinus on April 8th contained a few micrococci. Wound ahnost healed, A specimen taken at the next dressing from a piece of lymph over the orifice of the sinus showed numeroiis micrococci. Here we see that on March 31st organisms had penetrated for a little distance under the dressing, but had not yet reached the wound. The same was foimd on April 4th ; but on April 8th a few micrococci had got in, and having once got in they multiplied rapidly. Bacteria did not (jet in. There was no change in the appearance of the wound to show that anything hurtful had entered. Case 13. — This was a case of disease of the knee-joint treated like Case 7, but hei-e there was necrosis of the patella before operating, and extensive disease of tlio >)ones. As no improvement followed the R 242 FERMENTATION. incisions, excision was performed on April Snd. The drainage tube on the inner side passed in between the bones, and one was also introduced into a hole gouged in the bone ; that on the outer side passed into an abscess cavity in the soft parts. The case followed the typical course. A specimen was taken on April 2nd from some curdy material found in the interior of the joint. (It must be remembered that the interior of the joint had been in communication with the outer world for some weeks by means of a drainage tube, but there had never been any suppuration in the cavity of the joint.) No organisms were found, A specimen taken on April 3rd from the drainage tuhe on the inner side contained no organisms. Fig. 21, taken on April 4th from the gauze at some distance from the wound on the inner side. One or two micrococci ; no bacteria. Fig. 22, taken on April 5th from the inner drainage tuhe, con- tained no organisms. Contrast this with Fig. 21, taken from the gauze on the previous day. In it there were a few micrococci at some distance from the wound, but, as we see from Fig. 22, they did not get in. Fig. 23, taken on April 8th from the inner drainage tube con- tained a, few micrococci. They had now reached the inner wound, and in later specimens they were found in large numbers. Fig. 24 is a drawing of a specimen taken on April 15th from the outer drainage tube leading into the abscess cavity. This contained 710 organisms, although they were present on the inner side of the knee on this same day in large numbers. This shows that the organ- isms could not have come through the blood or developed spon- taneously in the wound ; otherwise they ought to have been found in the outer side as well as in the inner. From these results — and these are only a sample of what I have got by this method of investigation — and from my former cultivation results (each method very important in its own way), the difference which I have been led to establish between wounds treated aseptically and those not so treated will be evident. Woundi^ treated aseptically are either free from organisras or, if the latter are present, they are only micrococci. The others ahvays contain organisons, and, in the great majority of cases, these organisms are bacteria as ivell as m,icrococci. III. If, under any circumstances, organisms do enter wounds treated aseptically, what are their peculiarities ? PECULIARITIES OF MICROCOCCI. 243 The facts just stated under the second heading imply that we have to deal in wounds with two great groups of organisms — rod-shaped organisms, or bacteria ; and spherical organisms, or micrococci. Some, however, assert that there is no specific difference between micrococci and bacteria ; and these observers would say that the micrococci found in aseptic wounds are simply bacteria altered in form by the new conditions in which they are placed. Prof. Billroth, indeed, has gone so far as to assert that there is only one species, coccos, in the group of Schizo- mycetes ; that this may under varying circumstances assume the form of bacterium or coccos, these two being transmutable into each other. That micrococcus is an organism distinct from bacterium, is denied by Hallier and doubted by Klebs, while it is strongly affirmed by Cohn, Eindfleisch and others. I am now thoroughly satisfied that micrococci are really a class of organisms quite distinct from bacteria. I have observed them and worked with them for four years, and I have never yet met with an instance in which a micrococcus has become a bacterium, or vice versa. Before considering the evidence on this point, I may define what I mean by micrococci. They are (following Cohn) colourless or coloured round cells, very small, generally under one micro^millimetre in size, with or without movement, grow- ing in pairs, triplets arranged in triangular form, short chains or groups of smaller or larger size, not derived from bacteria nor developing into them. Other living sphericalbodies maybe found in cultivating fluids, such as spores of fungi or, indeed, of some forms of bacteria, as pointed out by Koch ' and Ewart ^ ; these, however, when fresh nutriment is added, develop again into fungi on tlie one liand, and into bacteria on the other. The life history of micrococcus seems only to consist in development from pairs to short chains or groups of larger or smaller size, this cycle being repeated on the addition of fresh ])ahulum. 1 need not here enter into the general characteristics of these organisms, but I may mention some facts which tend to shew that they are distinct from bacteria. ' Beitr'dffe zur Binlo;i. ' rffiber Si'hii.d. Ixvi p. .Stl. * Lancet, November 2], 187-1. * I'lililislied in Lanpenheck's Archir, I'.d. xxv. llefl ,'5. 2b-L FERMENT A TIOX. abscesses. In acute abscesses, however, he states that these organisms are always present. This fact, obtained by staining the pus, differs, as will be seen, from my cultivation results, and agrees more with Billroth's results from simple microscopical examination. Since this statement was made I have examined a number of abscesses by staining the pus obtained when they were opened, and T now quite agree with Dr. Ogston. Organisms are always absent from chronic abscesses. Micrococci are always present in acute abscesses. Fig. 29 (Plate IV.) is a specimen taken from a chronic abscess over the sternum. It contains no organisms. Figs. 30 and 31 are taken from acute abscesses — one of the mamma, and the other of the finger. These contain micrococci. In one case of abscess in the neck, which had been forming for about three weeks, I could find no organisms. The skin was red over it, and I have entered it in my notes as an acute abscess. In another case, which I have also in my notes as an acute abscess, no organisms were found. This was a case of small abscess in the thigh, in a situation where diseased bone had formerly existed. The patient positively asserted that the abscess had only been forming for fourteen days, but it is of course quite possible that it had existed longer, and had only begun to point for fourteen days. Nevertheless the man's jDositive assertion — for I questioned him again after I saAV that no organisms were present — the redness of the skin, the well- formed pus cells, and the absence of fatty debris make it difficult to assert that this was a chronic abscess. Notwithstanding those two doubtful cases, I am ready to accept Ogston's statement and to receive it as a law, that if the pus taken from an acute abscess when opened be examined after staining, micrococci will always be foimd. How, then, are my former results to be explained ? By cultivation, from thirty-two cases of acute abscesses I only got micrococci in seven instances, and yet we now know that had I stained the pus I should in all probability have found micrococci in all. Well, in my recent investigation I not only stained the pus, but tried cultivation experiments, and I got much the same MICROCOCCI IX ACUTE ABSCESSES. 255 results as formerly : in some cases micrococci grew, in others I got nothing. It seems, as far as I can judge from my facts, that if the abscess is opened soon after its commencement micrococci almost always develop. If, however, ten days or a fortnight or more elapse, these organisms do not as a rule grow. Why is this ? Simply, I believe, because the organisms have died. I made out early in this investigation, and have often con- firmed it since — sometimes, indeed, to my great inconvenience — that micrococci very soon exhaust the nutritive material in a fluid, and that they then fall to the bottom and die, for they will not grow in any fluid nor increase on the addition of fresh nutriment. In a flask containing say an ounce of cucumber or meat infusion, the micrococci grow rapidly, but they do not live more than three days. Then they fall to the bottom, and the fluid at the top becomes clear and remains so permanently. Take a drop from the flask during the first three days and put it into another specimen of pure cultivating liquid, and micro- cocci develop readily. After the third day or later, in pro- portion to the amount of the fluid, no development occurs whatever one does. The organisms are dead. And so in an abscess they live as long as they find nutriment, and then they die and cannot be obtained on attempting cultivation, though they may still be seen on microscopical examination. Ogston relates similar facts, though he apparently does not attach this meaning to them. He remarks that when micro- cocci are cultivated in flasks containing such fluids as urine, ascitic, ovarian or hydrocele fluid, blood, &c., the fluid at the surface remains for months clear, while a slight de2:»osit, which consists of micrococci, is present at the bottom. He concludes that the micrococci are growing away from the air, and that therefore they are anaerobes. This is not the case, for micro- cocci grow with greater rapidity and luxuriance in pure oxygen than under any other circumstances which I have yet tried. The truth, I believe, is, that these organisms were at first not quite dead, but had very little vigour and soon cea?ed to grow and died. They were not growing away from the air. His results in cultivation from abscesses confirm mine, for he says: 'Often the micrococci grew luxuriantly, sometimes in 25G FERMJ^NTA TIOX. chains and sometimes in groups, but oftener the experiments were unsatisfactory, and it indeed happened that the micrococci which were introduced died altogether.' Now had Ogston put these two facts together, and had he worked for long with cultivation, he would, I venture to think, conclude as I do, that the micrococci which are found in abscesses, but which will not develop in the cultivating fluid, are already dead in the abscess and do not die only on removal from it. The following fact may be mentioned as bearing out this view : — Fig. 32 (Plate IV.) was taken from a case of acute abscess in the groin, which was opened on April 29th. A number of streptococci will be seen. Nevertheless, a flask of meat and one of cucumber inoculated at the same time remained quite barren. A specimen was taken from the same case at the next dressing, April 30th. There was plenty of discharge in the drainage tube, but this contained almost no organisms. Had the organisms been alive on the 29th, they would probably have been as numerous, if not more so, in the interior of the drainage tube on the 30th. So far, then, I conclude, that though micrococci are always present in acute abscesses, yet if the abscesses be not opened for some time, these organisms will be found to have died. I shall not enter here into the question of the relation between these organisms and the abscesses in which they are found. The facts are sufficient for my present purpose. It thus seems, that in certain states of low vitality and in acute inflammations, organisms may be present in the blood and tissues of animals. These organisms are generally micro- cocci. V. How do organisms get into wounds treated aseptically ? There are three possible explanations which might be offered : — 1. They come from the blood. 2. They arise spontaneously in the wound. 3. They come from without through some insuffi- ciency in the aseptic method. 1. They come from the blood. We have already seen that organisms are not present in the blood or tissues of the healthy living animal, but that they may occur in low or inflammatory states. But a person on whom an o})eration has been performed MICROCOCCI IN WOUNDS TREATED ASEPTICALLY. 257 aseptically is, after the effects of the chloroform have passed off, and provided that there has been no great loss of blood, practi- cally as well as before the operation. There is no inflammation and no febrile disturbance — the patient, as far as one can judge, ought to be as able to resist the entrance of organisms into his blood as before the operation. If, however, these micrococci did enter the wound from within, they would do so during the first few days after the operation ; but if we look at the cases described, and the same thing can always be found, we see that these organisms do not, as a rule, enter for several days after an operation — not till the dressings are but infrequently changed. In the case of acute abscesses opened early, and in which the micrococci are still alive, they of com'se exist from the first ; and so they may occur if for any reason acute inflam- mation attacks a wound. But that this is their mode of en- trance in ordinary cases is against all the evidence. 2. As to spontaneous generation. We have discussed that at such length at various places that I need not enter into it again. The facts with regard to the absence of organisms imder certain circumstances and the constant presence of a particular form when they do occur, together with the points to be presently mentioned, sufficiently do away with any neces- sity for considering a view which can only be thought of where other and more natural modes of origin cannot be traced. 3. We must then search for some mode in which they might enter through the antiseptic arrangements. These we may divide into three parts : a lotion in which the various substances are soaked before being brought into contact with the wounds ; a spray to purify the atmosphere ; and a dressing so constituted as to give off carbolic acid to the discharge as it passes under it. That the lotion is sufficiently potent to destroy organisms which come in contact with it, will be very evident to any one who chooses to examine the subject. If one places a prepara- tion of actively moving bacteria under the microscope, and allows a little carbolic acid lotion, 1 in 20, to flow under the cover-glass, the movements will be seen instantly to cease ; this, in fact, is the method which I formerly employed when I s 268 FERMENTATION. wished to draw moving bacteria with the aid of the camera lucida.* That the spray is sufficient has already been shown by a nmnber of experiments described at p, 2& et seq. (see also the case of empyema, p. 237). An attempt has been lately made by Dr. Lewis Stimson ^ to show that the spray does not act as a germicide, and as his results have been extensively quoted, I must briefly notice them here. Three tubes were filled with urine, boiled, and allowed to cool in the spray and then exposed in it for an hour and a half, the floor being swept to raise the dust. The tubes were then closed with plugs of cotton -wool wet with alcohol. Particles of dust were seen to be caught on the edge of the tube, and a purified glass rod was used to push them into the fluid. In one tube in which this was done bacteria developed. In another case the tube was tilted so as to bring the fluid in contact with the neck, and here also development occurred. The third tube was undisturbed and remained pure. In another set of experiments wide-mouthed beakers were used, and were exposed for three-quarters of an hour. In all of these organisms developed. Test experiments showed that these organisms had entered during the exposure. These experiments do not, however, seem to be satisfactory. We are told in the first case that the spray was placed a foot above and 3^ feet distant from the tubes, and that fifteen ounces of carbolic lotion, 1-20, were used. During half the time a board was placed so as to throw the spray back over the flasks. Now if the flasks were only beneath the spray, a foot distant from it, during half the period of exposure — the result cannot be wondered at, for eddies would be produced by the spray which would drive unpurified dust into the vessels. If, however, the spray passed directly over the mouths of the flasks — if these were enveloped by it — it is difficult to conceive that the spray could have played for so long at such a close dis- ' Dr. Koch has found that the sjMires of Bacilhis Anthracis can resist 1-20 watery sohition of carbolic acid for"a considerable time, though the fully de- veloped organisms are at once destroyed by it. Micrococci, however, are very susceptible to the action of this antiseptic. 2 Shown to the New York Surgical Society, November 2/5, 1870. THE SPRAY AS A GERMICIDE. 259 tance, and that so much lotion could be used without the entrance into the urine of a quantity of carbolic acid more than sufficient to render it sterile. But granting that the method is correct in these respects, Stimson sweeps the floor, raises large masses of dust luhich he can see, and expects that as these fall through the spray they will be soaked through and through, and any organisms in their interior be destroyed ! It never has been asserted that a mass of filth falling through a spray can be soaked completely in a moment by tjie acid. We do not sweep the floors while performing a surgical opera- tion. All that I assert is, that under ordinary circumstances the spray is thoroughly efficient. From this point of view it is in the niain a question of size of the particles which the spray meets with. If these are minute and but little compact, they will be disinfected. If they are large and dense, as will be the case if the floor be swept during or immediately before the experiment, one could not expect the spray to soak through them sufficiently during their transit. There is another way, however, in which the spray may act on these larger particles — viz. by bedewing the surface of the wound, and thus keeping up the action on the dust which began during its transit through the spray. In fact, the particle of dust already moistened while passing through the spray, falls into a thin layer of carbolic lotion, and thus disinfection is completed. As a rule, however, particles of dust which are small enough and hght enough to float about in the atmosphere, such particles as are present in ordinary rooms or wards, will, as far as I can judge, be acted on directly in a sufficient manner by the spray, for they will not fall straight through it, but will be carried along with it after being moist- ened with carbolic acid, and thus time is afforded for the thorough action of the antiseptic before they reach the wound. If these organisms got in through fault of the spray, we can hardly imagine that they would always be micrococci. We must, therefore, examine the action of the dressing in order to see if any explanation can be obtained there. We shall see that it can, and that these organisms do enter on account of failure of the dressing to fulfil ail requirements for a lengthened period. s 2 260 FERMENTATION. As I have already shown, it is generally at a late period in the treatment of a case that these organisms appear ; generally where the dressings have been left on for several days ; or where the discharge has reached the edge some hours before changing it ; or, if they occur early, it is when the discharge which has come through has been considerable, although the dressing has been changed early; and thus I have been able in some cases to prevent the entrance of these organisms by changing the, dressings daily, and, conversely, they are easily enough obtained in any given case simply by dressing it less frequently. This will be readily seen from the cases quoted before. If such a fluid as milk be tested with the view of deter- mining the amount of carbolic acid which must be added in order to prevent the development of organisms, it will be found that a large quantity is necessary. Thus, they readily develop in a proportion of carbolic acid and milk, 1-60, and I have grown them in as large a proportion as 1-54. On examining the milk while the carbolic acid is being added, a granular pre- cipitate will be seen to take place. In the same way, if car- bolic acid is added to serum or white of egg^ a white precipitate occurs, and here also a large proportion of carbolic acid is necessary to prevent development. In artificial cultivating liquids — such as Pasteur's fluid — no precipitate takes place, and a much smaller quantity of carbolic acid is required to hinder the growth of organisms. In other words, where carbolic acid is added to an albuminous fluid, a compound is formed which is but little antiseptic. So in the case of the antiseptic dressings, where there is profuse discharge — though the first which comes through may not be putrescible, yet very soon the carbolic acid is not present in sufficient quantity to prevent the develo})ment of organisms ; and, as carbolic acid is very volatile, when a dressing is left on for several days, a considerable amount of carbolic acid will have also escaped by evaporation, and thus the meaning of the following rules of treatment, derived from ex- perience, becomes evident : ' A dressing must not be too small.' ' The dressing must not be left on longer than twenty-four hours after the discharge has appeared at the edge.' ' In no case is it safe to leave a dressing unchanged for more than eight days.' RELATIONS OF MICROCOCCI TO CARBOLIC ACID. 261 Experience has shown that any marked disregard of these rules will, in all probability, be followed by putrefaction in the wound. But this still leaves unexplained why it is that micrococci only are found in wounds treated aseptieally. At first the only hypothesis which I could think of was that micrococci can grow in j3uids containing carbolic acid in larger quantity than those in which bacteria can develop. I have accordingly performed numerous and elaborate experiments to test this view, but I have been quite unable to find any such difference in the first instance. An observation which I made in the course of these experiments seems, however, to furnish the clue to the mystery. I had previously observed that where one flask was inoculated with bacteria and another with micrococci in like amount, that which contained the bacteria was, as a rule, muddy in from twelve to twenty hours (the quantity of fluid in each flask being 5iij to 3iv), while thirty to fifty hours elapsed before the fluid in the flask into which the micrococci had been introduced became opaque. But if carbolic acid, say in the proportion of 1 to 500, be pre- viously added to this fluid, the result is just the reverse : the flask containing the micrococci becomes opaque in twenty-four hours, while that containing the bacteria does not become muddy till a later period. Following out this line of investigation, I have found that if micrococci and bacteria be introduced together into a cultivating fluid containing carbolic acid, the micrococci will develop rapidly, often to the complete exclusion of the bacteria. Where no carbolic acid is present, the result is generally the reverse ; most forms of bacteria grow quickly, the micrococci being often apparently prevented from developing. But, it may be said, in the former case the bacteria became con- verted into micrococci. But if the same bacteria be introduced into a flask containing no micrococci, bacteria alone develop. So in the room in which I work, I have never been able, without the aid of the spray, to transfer micrococci from one flask to another. For in the latter flask bacteria almost in- variably developed. But if carbolic acid be previously present in the fluid, the operation may be done in the most leisurely manner, with practically a certainty of obtaining micrococci alone or chiefly in the second flask. t>fi2 FERMENTATION. It is thus apparent that though bacteria and micrococc can grow in fluids containing like amounts of carbolic acid, yet the micrococci find these liquids more suitable for their growth than do bacteria ; indeed, they may grow more rapidly in them than in fluids containing no carbolic acid at all, and therefore, when bacteria and micrococci fall together into discharge con- taining carbolic acid, the latter develop with much greater rapidity than the former, and may thus reach the wound long before them. If, however, sufficient time be allowed to elapse before the changing of the dressing, bacteria also may enter the wound. One other observation completes this subject. The largest proportion of carbolic acid in cucumber infusion in which organisms develop is from 1-450 to 1-500. In one of the last experiments performed with the view of seeing whether micrococci could grow in a larger proportion of carbolic acid th:m that sufficient to prevent the development of bacteria, I used micrococci which were growing in a fluid in which a small quantity of carbolic acid was already present. This was done on April 14th. On examining the flasks on April 15th, I found one containing carbolic acid in the proportion of 1-400 quite opaque from the development in it of micrococci, while those in which a larger proportion of carbolic acid was present remained clear. On the same day I inoculated from flask 1-400 a new series containing carbolic acid in the following proportions : C 1-400, C 1-350, C 1-300, C 1-250. On April 16th, C 1-350 and C 1-400 were quite muddy from the presence of micrococci ; while C 1-300 and C 1-250 were clear. That afternoon, afresh series, C 1-350, C 1-300, C 1-250, C 1-200, was inoculated from C 1-350. On April 17th, C 1-300 and C 1-350 were muddy. Here the limit seems to have been reached. For though I have obtained slight development in carbolic acid and cucumber 1-275 and 1-250, this is not vigorous. As the micrococci grow in larger proportions of carbolic acid, they become much larger, and the grouping and mode of growth described by Mr. Lister are more evident. The facts then seem to be that the discharge, when profuse, or when it arrives at the edge of a dressing which has been left on for some days, does not coatain sufficient carbolic acid to. MICROCOCCI IN WOUNDS TREATED ASEPTICALLY. 263 prevent the development of org-anisms in it ; that micrococci, which I find to be more abundant in the ward atrtiosphere than bacteria, find this a particularly favourable medium for growth ; and that as they grow they increase in vigour, and become more able to live in fluids containing a larger propor- tion of carbolic acid, and thus, if time be given them, they will eventually reach the wound. Since these investigations were made, I have been able to demionstrate the spread inwards of organisms under a gauze dressing. Look for a moment at Case 12, p. 241. A specimen of the discharge was taken on March 31st, from the gauze dressing near the edge, and was found to contain micrococci and bacteria. No organisms had, however, as yet reached the wound (see Fig. 18, Plate III.). This dressing was removed, a new dressing applied, and the organisms had to begin again at the edge. Fig. 19, taken from the dressing near its edge, and Fig. 20, taken from the drainage tube four days later, illustrate the same thing. Here also the organisms were pene- trating inwards under the dressing, but had not yet reached the wound, and it was not till two days later that the first traces of micrococci appeared in the wound. The same thing is demonstrated in Case 13, p. 242. Here Fig. 21, Plate III. is a specimen taken from the gauze near the wound, and it contains a few micrococci : they had not, how- ever, reached the wound, and did not do so till some days later. Then, again, I have been able to keep out these organisms simply by dressing more frequently so as to anticipate them before they reach the wound, as may be seen in the case of empyema, &c. And Dr. Ogston does not find micrococci in his aseptic cases, because he dresses much more frequently than Mr. Lister, never allowing the discharge to appear at the edge of the dressing at all. It will not, however, be always necessary that the discharge should appear at the edge, for if a dressing be left on for several days sweat accumulates under it, and will serve the same pur- pose as the serous discharge in conducting organisms inwards. At the same time it is possible that organisms may oc- casionally enter the wound from the blood, especially in the conditions of interference with the healthy state which were ■Jdi FERMENTATION. formerly alluded to ; and it is also possible that they may enter from fault in the aseptic precautions, though I think this must be exceedingly rare. For it is difficult to imagine that in the latter case only micrococci would get in ; indeed, in faulty ex- periments with cultivating fluids, it is almost invariably some form of rod-shaped organism which appears. CHAPTER Xlir. ANTISEPTIC SURGERY. Complete definition of antiseptic surgery. Varieties of antiseptic surgery. Tkeatment by antiseptics : Carbolic acid — objections to it : Chloride of zinc: Boracic acid: Sulphurous acid: Chlorinated Soda: Alcohol — • Hutchinson's method : Terebene and Sanitas — Bilguer's method — Neu- dorfer's salicylic powder. Free drainage as an antiseptic method. Irrigation and immersion. Open method: Modes in which it acts antiseptically : Bartscher and Vezin's method : Burow's method : Rose's modification. Healing by scabbing : Methods of forming a crust : Bouisson's ventilation method : other modes. Gtjerin's cotton-wool DRESSING. Modes in which the destructive action of the tissues on bacteria is assisted. Why does not fermentation alwaj's occur in the blood in wounds in which organisms are present ? Best practical methods. Conclusions. We have now arrived at the end of our discussion as to what are the particles which cause putrefaction ; what are the exact enemies with which we have to contend in attempting to prevent putrefaction. We have seen that it is from particles falling into fluids or on tissues that organisms develop. We have seen that it is only after the access of particles from the outer world to such fluids and tissues that fermentations occur, and we have satisfactorily demonstrated that the particles which cause fermentations and those which give rise to organ- isms, are one and the same — in other words, fennentations are due to the growth of organisms in fluids or tissues. We have also seen that these same laws, with one exception, to be pre- sently mentioned, hold good when the fluids or tissues are con- fined in the living body, just as when they are in flasks, viz., that the particles which cause putrefaction and other fermenta- tions only rarely enter such substances through the circulation, but generally reach them directly from the air or from sur- rounding objects ; that so long as an animal is healthy, dead L'GG ANTISEPTIC SURGERY. fluids or tissues may remain uufermented in closed cavities in the body, and may even entirely disappear, but that as soon as atmospheric air with its dust is admitted, organisms develop, and fermentations occur. We are now therefore able to take a much wider view of the meaning of the term ' Antiseptic Sur- gery ' than is generally done. It is no longer surgery which only excludes the causes of putrefaction ; we may now include under the term all those methods of ivound treatment in which, luittingly or othertvise, the growth and fermentative action of the lower forms of organisms {bacteria^ are m^ore or less impeded. When we come to look at the numerous methods of wound treatment from this point of view, we shall see that there is perhaps none at present employed, with the exception of the poultice dressing so much lauded by Mr. Savory, which does not in some way or other, however imperfectly, interfere with the growth and fermentative action of bacteria, and which does not owe its chief virtues to that cause. I shall not enter into details on all these methods, for their number is legion, but I shall discuss the modes in which this interference with bacteric action may be carried out under several headings, and indicate briefly the principles which ought to guide the surgeon in carrying out one or other method. The antiseptic methods which merely interfere with the development and fermentative action of organisms on the fluids and tissues in wounds, and which do not aim at their total ex- clusion, may act on various principles. 1. By the addition of various antiseptics to the discharge, either in the wound, or after it flows out, this discharge may be rendered an unfit soil for the development of organisms. — Use of antiseptics. 2. The discharge may be allowed to flow away so rapidly as not to have time to undergo fermentation to any extent in the wound itself. — jPree drainage. 3. This removal of the discharge may be facilitated by washing it away constantly with water alone, or with water containing antiseptics. — Treatment by irrigation or by water buih. TREATMENT BY ANTISEPTICS. 267 4. By freely exposing the discharge to air evaporation takes place, and the fluid becomes too concentrated to permit the growth of bacteria, while, at the same time, by supplying these organisms with plenty of oxygen, they have no necessity to break up the albuminous compounds in their search for oxygen, and thus, as shown by Pasteur, their fermenting power is diminished. — Open treatment. 5. By keeping the parts at perfect rest and by operating only when the patient is in good health, the tissues and the blood are in such a state as to resist the development of bacteria in the thin layer of lymph between the cut surfaces, and union by first intention thus occurs. This is best carried out hy perfect rest and accurate apposition of the cut surfaces. Healing hy scabbing acts on the last two principles. Although these various methods may be described as acting on these different principles, yet there is no hard and fast line between one and the other. Indeed, at the present day advan- tage is now constantly gained from the use of the various principles combined — as, for instance, by the employment of free drainage, antiseptic irrigation, cS:c., in the open method. As these methods are so very numerous, and as they are gene- rally modified by every surgeon who employs them, few indeed using them on the true principle, I think it will be best merely to make a few remarks under each heading, and then when we come to the historical part we shall be able to fill up blanks in the following description. I. — Methods hy ivhich various Antiseptics are added to the Discharge, so as to hinder the Developjment of Organisms in it. What are the best antiseptics to use for this purpose ? Carbolic acid is the one most frequently employed, but, in my opinion, it is by no means the best in this instance. We have already seen that in vegetable infusions, where carbolic acid is present in the proportions of 1-200 to 1-250 all further growth of organisms is prevented, but that in such fluids as serum, milk, pus, &c., the acid forms a compound with the albumen, and a much larger proportion is required. Thus, in •2GS ANTISEPTIC SURGERY. milk, carbolic acid in the proportion of 1-54 is just enough to prevent development. In accordance with this fact, a very strong solution would be required in the case of wounds, or it must be added in large quantities, in order to prevent the development of micro-organisms. And so my own experience of carbolic acid as a disinfectant in the form of a 1-40 watery solution in putrid cases is un- favourable, while, on the other hand, if 1-20 carbolic acid be used, it is very irritating, and interferes with healing. In- jected once or twice a day, the latter destroys the superficial granulation cells, and produces a thin slough in which bacteria develop, and from which it is very difficult to dislodge them. Then its poisonous qualities are objectionable, and are of course much more evident when the acid is injected into wounds or abscess cavities than when used in the manner de- scribed in the chapters on aseptic surgery. Further, Dr. Wilhelm Hack,^ in a paper on the power of absorption by granulations, has demonstrated that granulations treated with carbolic acid possess many of the qualities of a recent wound as regards absorption. For instance, apomorphia, which was only absorbed by wounds treated with water dressing during the first twelve hours, was readily absorbed at any time by granulating wounds treated with carbolic acid ; and therefore in the absence of information to the contrary, I should fear that some of the poisonous products of putrefaction might be absorbed with like avidity. Hence, I do not like carbolic acid unless it is used aseptically. Chloride of zinc applied to the cut surface has been already alluded to. A single application has the remarkable property of preventing putrefaction in a wound for some time after an operation ; sometimes, indeed, till granulation is nearly com- plete. It is further useful, according to Hack's experiments, in that the slough caused by it does not permit the absorption of substances from the wound. When used in the treatment of wounds, a dilute solution (1 or 2 grs. to the ounce of water) is employed. Boracic acid is too weak an antiseptic to be of much service ' Ueber das Resorpt ionsvermogen granulirendcr Fliichen. L ipzig, 1879. TREATMENT BY ANTISEPTICS. 269 as an injection, but the boracic ointment and the boraeic lint act well as dressings. One of the best antiseptic lotions is made with sulphurous acid. This is a powerful germicide. It is also non-irritating and perfectly free from any poisonous qualities. It is used as a solution which is made by mixing together equal parts of the sulphurous acid of the pharmacopoeia and water or glycerine. This may be still further diluted if necessary. The chlorinated soda solution is mentioned by Dr. Cabot as standing next to 1-20 carbolic lotion in rapidity of action on bacteria. The strength generally employed is 5ss. to 5J of water. Alcohol is not a bad antiseptic, but in order to be effectual, it must be used strong. It has a further advantage, for Dr. Hack has shown that gi-anulations treated with alcohol do not absorb at all or only very slightly ; and to this may be attributed, to some extent, the favourable course of the cases in which wounds are simply washed out with an alcoholic solu- tion, and a rag, dipped in the same solution, applied outside. Mr. Jonathan Hutchinson, more especially, has had remark- ably good results from the use of alcohol. His method is as follows : — Having carefully arrested all haemorrhage, chiefly by torsion, he washes out the wound with pure spirit. He then carefully arranges drainage tubes at the most dependent parts, and stitches up the rest of the wound. Thin compresses soaked in a lotion composed of 6 parts of absolute alcohol, a half part of liquor phmibi, and 16 parts of distilled water, are now ap- plied. These compresses are kept constantly moist, either by a nurse or by means of a drop irrigator. The lint is changed daily. In the treatment of important cases, such as com- pound fractm'es and dislocations the rule observed is, never to allow the skin to become warmer than natural. His wounds generally heal by first intention, and septic poisoning is very infrequent. In some of these cases no doubt the wound may be aseptic from first to last. To apply an antiseptic to a wound, to stitch up immediately, and then keep an antiseptic dressing con- stantly applied, is really to operate more or less aseptically,. and I believe, with regard to INIr. Hutchinson's cases, that this 270 ANTISEPTIC SURGERY. partly explains the good results — the wound being aseptic, at least for a time. Then Hack's results have a strong bearing on these cases, for absoq^tion does not take place readily. Mr. Hutchinson is also very particular to have free drainage, which powerfully helps to maintain the aseptic condition ; and lastly, he carefully selects the cases for operation, only operating, unless in cases of necessity, where the patient is in good health. This selection of cases is a thing not necessary and not done where complete aseptic treatment is employed. The method which I should think was the best, acting on this principle, is the following; it is practically what Mr. Lister employs with excellent results, only I would reject the carbolic acid. After the wound has been made, and before any stitches are inserted, the raw surface ought to be thoroughly sponged over with chloride of zinc solution (40 grs. to the oz. of water). In the case of operations on the extremities, this is best done before the tourniquet is relaxed,- so as to ensm-e its thorough application, for otherwise the blood would wash away the solution or dilute it before it has had time to act. Silver wire stitches are then inserted — special care being taken to en- sure free drainage, by the use of large drainage tubes. As a dressing in the first instance, till the bleeding has stopped, several layers of wet boracic lint (wet in boracic lotion) are applied. On the day following the operation, the lint is removed, the surface of the wound is thoroughly cleaned with sulphurous acid or chlorinated soda lotions, or with Hutchinson's lotion, and the drainage tubes are washed out with the same, though not removed. The dressing is now a narrow strip of the sali- cylic, eucalyptus or full strength boracic ointments, thinly but evenly spread on calico, and outside this, overlapping it in all directions, one or more broad layers of boracic lint. On the second or third day, the drainage tube is removed, and is washed in 1-20 carbolic lotion, the wound being then syringed out with the sulphurous acid or other lotion. After a day or two the ointment over the line of incision is changed to the half-strength boracic, or if salicylic or eucalyj)tus ointment was used, they are retained. These di-essings are changed daily FREE DRAINAGE, 271 at first, but when the discharge diminishes, they may be left for two days. Terebene and sanitas are remarkably good applications where the smell is bad. The results of this treatment are of course not so perfect as those of the aseptic method, for, however carefully one washes out the wound, there are pouches in it into which the fluid does not enter, and pieces of slough cannot of course be disinfected. Thus, prolonged suppurations may occm-, caries may continue without tendency to cure, and even accidental wound diseases (pyaemia, &c.) attack the patient. With regard to the use of chloride of zinc, I ought to say that it is well not to apply it to wounds which must, if pos- sible, heal by first intention, as, for instance, in incisions about the lips or face. It was on this principle, as we shall see, that Lemaire em- ployed carbolic acid and coal tar ; and his results, though very good, by no means correspond to those obtained by strict aseptic treatment. It was also on this principle that good results followed the use of balsams of various kinds in olden times. The most re- markable example of the success of such attempts at rendering the wound secretions incapable of putrefaction by the use of balsams, was that of Bilguer in the last century. No doubt where the wound is shallow, and possesses few recesses, and where the balsam or other antiseptic employed fills up these recesses, we have really an aseptic treatment and an aseptic result. By sprinkling powdered salicylic acid on wounds till no more fluid passes out, Neudorfer manufactures a paste under which he says that healing may occur without suppuration. II. On Free Drainage as an Antiseptic Method. I have already discussed the main principles of drainage under the head of aseptic sui'gery. It is quite clear that, if dis- charge flows away as fast as it is formed, there can be no marked development of bacteria or of their products. The free drains <'-e 272 ANTISEPTIC SURGERY. of a wound from which organisms are not from the first excluded is therefore of the utmost importance. I have already de- scribed the use of india-rubber tubes, and I have referred to catgut and horse-hair. Since, in a wound not treated asepti- cally, fermentation, most probably followed by suppuration, generally occurs in the track of the drain, we must provide such a drain as shall permit the free escape of pus. Now, neither horse-hair nor catgut can drain pus, and, therefore, a tube of some kind or other must be used. This may be an india- rubber one, or it may be made of various kinds of metal, per- forated at its sides, and cut flush with the surface. The tube, of whatever material, must be removed from the wound at each dressing and washed with a strong antiseptic lotion, say 1-20 carbolic lotion. If this be not done, portions of decomposing tissue, &c., remain inside the wound, and become more and more putrid till very soon they become caustic. Where the wound is not treated aseptically, the principle of having the most dependent opening possible must be carried out to the full. III. Irrigation and Immersion. The principle of free drainage is never of course used alone, other principles act along with it. Of these, one of the most satisfactory is that in which the discharge is not merely allowed to flow away, but is washed away, and the further addition to this principle of adding an antiseptic to the water used for the irri- gation and of thus keeping the wound constantly bathed in an antiseptic fluid. The latter is the form in which irrigation and the water bath are now always employed, viz., by the use of an antiseptic solution. Irrigation is, as a rule, only practicable on the extremities, though it may be carried out on the trunk. P'or the latter, however, the continuous water bath is the most convenient. The wounded part having been arranged at perfect rest, a sheet of mackintosh is fastened to the limb, and so arranged that the fluid flowing from the wound shall be conducted to a tub ; the vessel containing the fluid is fixed at a considerably higher level than the patient. The form of irrigator most IRRIGATION AND IMMERSION. 273 generally used at the present time is Esmarch's. This consists of a cylindrical leaden or zinc vessel, which has a ring at its upper part to enable it to be affixed to the wall. From the side of this vessel, close to its bottom, a tube passes, and to the end of this tube is fastened a long piece of india-rubber tubing with a nozzle at its end. This nozzle is arranged so as to direct the fluid into the deeper parts of the wound. The fluid used is generally some weak antiseptic solution, such as chlori- nated soda or sulphurous acid, or boracic acid. A very good apparatus can be made in an emergency (accord- ing to Thiersch) by knocking the bottom out of a champagne bottle, and having the tube for conveying away the fluid passed through the cork. The bottle is inverted, filled with the solution, and fastened to the wall. The fluid used may be tepid or cold, as we shall see later. There is no advantage in using it very cold, as recommended by some. Where the fluid is dropped on to the wound, it is well to place a piece of lint over the part where the drop falls, to pre- vent the constant irritation caused by the concussion. The skin in the neighbour- hood of the wound ought to be coated with palm oil, in order to prevent maceration. The continuous bath is either a bath in which the whole patient can be immersed, or one in which the wounded part alone is placed. There are numerous methods of doing this, and the references to these will be given in the history of the subject. The advantages of the treatment by con- stant irrigation are, that the discharges are removed as fast as they form, and at the same time, where an antiseptic is em- ployed, the part is kept constantly sweet. Thus, where the cavity is small and uncomplicated, there may be a truly aseptic state of affairs. At the same time, where tepid water is used granulation is favoured, while pain and nervous irritation are very much T Fig. 73. — Thiersch's champagne bottle irrigator. 274 ANTISEPTIC SURGERY. diminished. Fartlier, the parts are kept at absohite rest, the necessity of moving them in order to change dressings, &c., being avoided. As an antiseptic means, 1 should think that satisfactory irrigation is lietter than the continuous water bath, for in the latter there is not the same constant change of fluid, nor the same washing away of the discharge. Fig. 74.— Aerangemest fou iurigation in the uppek limb. (After Esmarch.) The favom-able results of constant irrigation in preventing septic diseases are very remarkable, and, in this respect, it probably stands next to strict aseptic treatment. The disadvantages of these methods are for the most part the sodden state of the wound and the consequent cedematous condition of the granulations, the constant state of unrest of the wound and the inconveniences attending the application of the method. For the first reason they are discontinued when granulation is complete and has filled up the deeper jjarts of the wound, and when the time for blood poisoning has passed. IRRIGATION AND IMMERSION. 275 That the good results of irrigation and immersion are not due to mere maintenance of temperature, as has been Yir,. 7.".— Arrangement for irrigation in the lower limb. (After E::maic)i.) supposed, is shown by the results of M. Gnyot with his incubation method. Here the wounded part was enclosed in Fig. 76.— Apparatus for continuous immersion. (After Esmarcli.) (For the e.xtremities.) T 2 276 ANTISEPTIC SURGERY. an incubating apparatus, and kept permanently at a high temperature. This method, though much lauded for a time, really seems to have favoured considerably the development of septic diseases. IV. Concentration of the Fluids, and their Admixture ivith Oxygen. The method of treatment which has been the greatest stumbling-block in the way of the acceptance of the principles of antiseptic surgery is the open method, for surgeons have been unable to see how the success of this method could be reconciled with the germ theory of putrefaction. They have looked on it as the antithesis of aseptic treatment, as acting on the very opposite principle to that on which the aseptic method is based. And yet, when we come to consider the matter in the light of the true principles of antiseptic surgery, we find that the open method is an advanced method of antiseptic treatment. Of course other principles, such as that of perfect rest and free drainage, also tell markedly in this ease. I have stated that this open method acts antiseptically in two ways, and these I must now briefly consider. 1. It acts antiseptically in that the discharges dry up, and become more concentrated, and thus become unfit soil for the growth of bacteria. Tliat concentrated fluids are not suited for rapid development of organisms is well known. Thus Pasteur pointed out that organisms could not grow in sugary solutions which had become concentrated. This fact is made use of in the arts, in the pre- servation of fruits. Sugar is added in large quantities, and then the fruits can be kept for an indefinite length of time. It is not that the sugar is an antiseptic killing the organisms, it is merely that by its presence in large amount the fluid is rendered unsuitable for development. The same pi-inciple is made use of in preserving milk. The milk is evaporated to one-third of its original volume, and a considerable quantity of sugar is added to it. Without the addition of the sugar, the condensed milk may be kept for a THE OPEN METHOD. 277 considerable length of time without the appearance of organisms in it ; with sugar it may be kept indefinitely. The same is the case with other albuminous fluids such as the discharge from wounds. Concentrate pus, and it will be found that organisms develop in it only with difficulty. Then we know the contrast between cases of dry and moist gangrene ; how in the latter putrefaction rapidly occurs, or, in other words, organisms rapidly develop, while in dry gangrene putrefaction does not occur, i.e. organisms cannot develop. The same was seen in Cazeneuve and Livon's experiments on minary bladders, mentioned before at p. 37. In that case organisms could not develop in the wall of the bladder, because the fluid was constantly evaporating. 2. In the open method another antiseptic advantage is gained by the free admission of oxygen to the discharge. Some very remarkable effects of oxygen in retarding putre- factive and other fermentations were published long ago by Pasteur. He pointed out that if a sugary solution were freely exposed to air in a thin layer, the yeast plant, though it grew luxuriantly, caused very little fermentation. On the other hand, if oxygen were excluded, only a small development of the yeast cells was necessary for fermentation. And he has bhewn that other plants besides the yeast plant can cause alcoholic fermentation, if only they are deprived of free oxygen. With regard to putrefaction he has brought forward similar evidence. The organisms which cause putrefaction are, according to him, incapable of living in the presence of oxygen. If a putrescible fluid be freely exposed to the air in a thin layer, putrefaction does not occur, at least not for a very considerable time. Just as in the butyric fermentation, oxygen not only interferes with the fermentative process, but actually destroys the bacteria which cause it. Hence the free exposure of a putrescible fluid to the air results in comparative freedom from putrefaction, partly because the oxygen interferes with the development of fermentative changes, and partly because the oxygen directly kills the putrefactive bacteria. There are two methods of wound treatment which action the principles alluded to above. The first is that introduced by Bart- scher and Vezin, and carried out in the following manner : ' After 278 ANTISEPTIC SURGERY. all bleeding vessels have been tied, and after the stump has been cleansed from blood clots by means of a sponge and cold water, the patient, for whom two beds are provided close to each other, is put to bed, the stump is laid on a soft pillow, and over it a piece of gauze or linen is loosely placed in order to keep out the flies, the whole stump being freely exposed to the air.' At the morning visit, the surgeon pushes his hand under the stump, raises it, removes the pillow and applies a new one, or lifts the patient on to the other bed, without further cleansing of the wound. In this method all attempts at union by first intention are given up. Bi:u-ow of Konisberg published his method in 1859. He attempted to obtain primary union as far as possible. This he did by bringing the surfaces of the wound into contact after a few hours by means of strips of plaster applied over part of the surface, all other dressings being avoided. Rose, whose results of open treatment have been specially published by Kronlein, adheres to Bartscher and Vezin's method, with this exception, that he daily washes out the wound with some antiseptic lotion. Crusts are removed, as they are never complete enough to prevent putrefaction, and only cause tension by their presence, and indeed protect the discharge underneath from the action of the air, or of the antiseptic lotion. Eose farther ventilates very freely, so as to have a plentiful supply of air to the stump. He employs this method in all wounds, except those on the face, where union by the first intention is desirable. The open method pure and simple is that introduced by Bartscher and Yezin ; for here, while the discharges are allowed to flow away freely, they are left to the unaided action of the air. The antiseptic effect of this method is no doubt increased by the addition of intermittent antiseptic irrigation. Burow's method cannot act nearly so perfectly, for in it dis- charges must accumulate in various parts of the wound, and they are therefore not so conveniently placed for thorough action of the air. Among the objections to these methods are the following ; in all, except Burow's, union by first intention cannot possibly occur, indeed no attempt is made to obtain it; as a conse- HEALING BY SCABBING. .279 quence of this, a long time is required for healing, while a larger scar is obtained ; the frequent formation of scabs and the con- sequent tension also cause great annoyance. Closely allied to the open method stands healing hy scab- bing. This may be brought about chiefly in two ways. The crust may either be allowed to form naturally, or its formation may be aided by artificial means. This healing by scabbing acts in two ways. In the first place, the first principle of the open method of treatment comes into play ; the discharge dries up and becomes an unfit soil for the development of organisms. In the second place the fluid underneath it is in such a thin layer that the living tissues in the neighbourhood prevent the development of organisms in it. Of course in many cases no living organisms would be there to develop, for the scab would form an absolute pi'otection against their entrance. The natural formation of the crust can only take place effi- ciently in small wounds, and only exceptionally where cavities and recesses are present. For in larger wounds, as we have seen, there is too much discharge for a sufficiently rapid and thorough formation of a crust ; and if the crust is not perfect and rapidly formed, putrefaction takes place underneath it, while at the same time, by confining the discharges, tension and ulcera- tion result in place of healing. But though this natural formation of a crust cannot be trusted to in most cases, yet by artificial means a satisfactory one may be obtained. The method in which this was done by Bouisson, was by blowing air on to the wound, and thus drying the discharges. This method will be described in the historical part of this work. The most common modes are by the application of various powders, such as starch, alum, flour, &c., to the discharge, so as to form a paste. The best substance which can be employed in this manner is powdered salicylic acid, as recommended by Neudorfer, and mentioned before under ' Treatment by Antiseptics,' This is sprinkled on till no more fluid exudes, and it combines the advantages of a thorough crust with those of an antiseptic dressing.' ' For clolails of tlicsc various melliods, sec tlie historical part. 280 ANTISEPTIC SURGERY. Other attempts have been made to produce a scab by the application of various caustic substances to the surface of the wound. The crust so formed, containing as it does a strong caustic, is unable to undergo putrefaction ; and where the inflam- mation caused by the application is not too great, and does not lead to accumulation of fluid under the crust, an excellent result is obtained. In this case, as no organisms are present under the crust (they were destroyed by the caustic), and as the firmly adhering crust prevents their entrance, we have the typical aseptic result — healing of an open wound without suppuration or granulation. There are, however, various objections to this method of crust formation, the chief of which is the loss of substance involved in the process, while the same disadvantages are present as in the open method proper, viz., slowness of heal- ing and a large scar. Closely allied to this method of crust formation is that in which the crust is obtained by the application of the actual cautery. Crust formation is seldom suitable unless in the case of superficial wounds without recesses or cavities, for, if these are present, an opportunity is given for the occurrence of tension under the crust. It is a method by no means easy or universal in its application. Where it is employed I should recommend the use of Neudorfer's method, viz., the formation of a crust by the aid of salicylic acid powder. Alphonse Gueriri's Cotton-wool Treatment acts partly on the first part of the principle of the open method, but it hardly comes into the category of antiseptic methods. As originally used, the wound was simply washed with water, and a large mass of cotton-wool applied around it, and firmly bandaged on. At present the wound is washed with some antiseptic lotion, and layers of cotton-wool, containing camphor powder sprinkled in it, are applied. The deeper layer consists of wool moistened in carbolic lotion. More details of this method will be found in the historical part ; but I may mention here a point wliich Gruerin considers of great importance. The dressing should not be applied or changed in the ward, but in a theatre or side room, and the PERFECT REST. 281 packet of cotton-wool should not be opened till the time of application of the dressing. No doubt these precautions may prevent some infective material present in the ward atmosphere from settling on the wound or on the cotton-wool, but it is only a chance that such will be the case. This method can hardly be called ' antiseptic ' in the sense in which we have used the word, for the antiputrescent princi- ples on which it acts are not very powerful. As the result of these dressings, the discharge becomes thick and concentrated, and not a very good medium for development of organisms. Nevertheless this concentration of the discharge cannot occur to anything like the extent which takes place when it is left freely exposed to the air. The second principle on which it acts is that it ensures absolute rest to the wound. By means of this rest the granulations are not lacerated, and neither bacteria nor their products can be admitted into the body. This however is a principle relating to infective disease, a sub- ject which we have not mixed up with the true antiseptic principle, which is solely that of preventing putrefaction in the wound. Gruerin's method cannot be recommended except in some exceptional cases of disease of joints with sinuses, and even here the retention of the putrefying discharges, and the conse- quent irritation, render it of very doubtful value. I have already described the aseptic applications of pure cotton wool at p. 141. V. Assist the destroying Action of the healthy living Tissues on Bacteria. This principle may be aided in two ways, viz., by perfect mechanical rest, and by attention to the general health. By perfect mechanical rest, when the tissues are in perfect health, and the blood clot is undistiurbed, the tissues and clot may be kept in such a state as to resist the development of organisms. This method, though without recognition of the antiseptic principle, has been long practised, and of late has been specially advocated by Sampson Gamgee.' ' On the Treatment of Wounda, 1878. 282 ANTISEPTIC SURGERY. It is, of course, a well-known fact that, without any antiseptic appliances at all, wounds, more especially about the face, heal frequently by first intention. How can this take place if blood or lymph, exposed to the air, putrefies as the result of the access of organisms ? For, during the operation, organisms enter the wound both as dust from the air and surround- ing objects, and also from the water in which the sponges are soaked. There is also between the cut surfaces a layer of blood or lymph (which, however, must as a rule be very small in amount, otherwise healing by first intention does not occur) which, if it were exposed between two plates of glass, would probably putrefy in a short time. How is it that union by first intention can occur under these circumstances ? How is it that the blood does not putrefy between the cut surfaces of a wound ? Well, to use Mr. Lister's forcible arguments, the fact is that a thin layer of blood, although containing numerous causes of putrefaction, does not as a rule putrefy if it be placed between two healthy living cut surfaces. Or, to state the fact in an- other way, these organisms, which are certainly present, cannot develop in a thin layer of blood or lymph placed between two healthy living freshly cut surfaces. Or, to state the same fact differently (taking into consideration the different results when the same layer of blood or lymph is placed between two plates of glass), the living tissues^ tvhen in a healthy state, have the power of preventing the development of organisms in their immediate vicinity. I have already had occasion, in a former part of this work (p. 252), to point out that if into a healthy living animal a small quantity of ordinary bacterial fluid be injected, the bacteria lose their vitality and disa})pear. I have shown how organisms cannot be found in the living healthy body (I except here of course specific pathogenic organisms, such as bacillus anthracis), unless a considerable amount of their products be introduced along with them. On the other hand I demon- strated how, if the animal were out of health, organisms could live in their blood and tissues much more easily. The same is the case in union by first intention. If the part be of high vital power, and in a healthy state, and if there be an ANTISEPTIC ACTION OF LIVING TISSUES. 283 extremely small amount of blood or lymph between the cut surfaces, union by first intention will almost certainly occur. If the part become inflamed, or if the patient be in a weak state of health, union by first intention, without aseptic means, becomes a matter of great uncertainty. Traube and Grscheidlen ^ have likewise found that blood taken with precautions from a healthy living rabbit into which, 24 or 48 hours previously, 1^ c.cm. of bacterial fluid had been injected, could be kept for months without undergoing putre- faction. And, further, the facts which I have already mentioned, that the blood and tissues of healthy living animals do not contain Jiving organisms, shew sufficiently that they have the power of destroying them, for otherwise there are frequent opportunities for the entrance of these into the circulation. This same principle was made use of by jNir. Lister in his experiments for obtaining unboiled urine (see p. 36). He simply washed the glans penis, and the meatus urinarius. He did not wash out the urethra at all. The urine passed in this way remained absolutely pure, showing that no organisms were present in the urethra. And yet the urethra contains mucus, putrescible outside the body, and there is sufficient time between the acts of micturition for bacteria to spread quite up to the bladder (this was experimentally determined by Mr. Lister); nevertheless they do not penetrate any distance into the urethra. In other words, they cannot develop in this putrescible mucus, when it lies between two healthy living sur- faces. Or, to state the fact otherwise, the healthy living tissues have somehow or other the power of preventing the develop- ment of organisms in their immediate vicinity. Now blood clot itself may be looked on as a tissue, though one which is of very low vitality. That it is a tissue is well shown by Mr. Lister's experiments on coagulation of blood ; for he found that a tube or cup of blood clot acted in the same way as regards the prevention of coagulation as the living walls of the vessels. He further found that movement of the clot leading to its laceration destroyed its vital power as a tissue. In the ' Dublin Medical Journal ' for August 1879, Mr. Lister, after referring to this subject, mentions the following facts: — ' Loc. cit. 284 ANTISEPTIC SURGERY. ' I have found, in experiments not yet published, that you may put into such purified glasses' (containing pure blood) ' drops of water of considerable size ; and although every hundredth of a minim probably contains a septic organism, and although the blood that flows into each glass is mixed with this septic water, yet the clot there formed, if protected from any other source of disturbance afterwards, remains sweet and pure for weeks together, proving that even outside the body the blood clot has the power in itself of resisting the development of septic organisms — a most important truth.' After applying this principle to union by first intention in cases of amputation, he says : ' But suppose such a stump attacked by muscular spasm churning up the blood clot, then the septic particles would develop, and then you would have putrefaction and septic suppurations, so that without antiseptic treatment in this kind of case, you are at the mercy of perfect immobility ; and, as I have said before, even with the best means, you cannot secure this.' In his recent address at Cambridge, Mr. Lister refers to similar facts, but as he has not yet published them, and as the accounts given in the journals are very garbled, I cannot refer to them. It seems however that he confirmed the experiments just mentioned, and found that blood clot, when kept perfectly undisturbed, did not putrefy, even if 4 drops of tap water were placed in the flask before the blood was introduced. A very interesting experiment bearing on this subject is mentioned by John Hunter in his paper on * The living principle of the blood.' After pointing out how fresh and living eggs resist putre- faction, and referring to various facts which he thought were indications of the existence of a living principle in blood, he narrates the following remarkable experiment, showing that the blood of young jjersons resists 'putrefaction longer than that of old people ; in other words, that the blood of young persons has greater vital power. ' June 24th. — Some blood was taken from a woman twenty years of age, and its surface, after coagulation, was covered with un inflammatory crust. ' On the same day some blood was taken from a woman at BLOOD CLOT DESTROYS MICRO-ORGANISMS. 285 sixty, when the crassamentum was also covered with an inflam- matory crust. * These quantities of blood were set by. * The blood from the old woman putrefied in two days. That from the young woman kept quite sweet till the fifth day, when it began to smell disagreeably ; in this state it continued two days more, and then emitted the common odour of putrid blood. ' Several experiments were made in the course of the summer of a similar nature with the last, in all of which it appeared that the blood from young people kept longer sweet than that which was taken from the old.' That healthy blood clot can resist putrefaction so long as it is kept at rest explains many remarkable cases which would other- wise seem at first sight at variance with antiseptic principles. The following case, showing the contrast between blood clot when kept at rest and when disturbed, is worth narrating.^ ' On September 15, 1870, a young officer whose left upper arm had been broken about its middle by a Chassepot bullet at Noisseville seventeen days previously, arrived with an ambu- lance train at the Tempelhof military hospital. ' The plaster of Paris apparatus, which had been applied at once on the battle-field, had become soft and broken, and as the patient complained of pain in the arm, probably as the result of the journey, and as it was somewhat swollen, the apparatus was removed, and a careful examination was made of the wound. When I passed my finger into the wound after removal of the crust, I felt numerous fragments of bone, but was, however, astonished to find no trace of pus, only coagulated blood. ' After I had removed all the fragments, a plaster apparatus with a window in it was applied ; nevertheless, there now resulted a violent inflainination and suppuration of the wound, which for a time threatened the young man's life.' These views sufficiently reconcile the fact of union by first intention in cases not treated aseptically with the germ theory of putrefaction. Now in order to have tissues in the state in which they are capable of resisting the development of bacteria in their imme- diate vicinity, they must be as much as possible in a condition ' Esmarch, Lanp:cnbcck's Arrliiv, vol. xx., p. lOr*. 286 ANTISEPTIC SURGERY. of perfect health. To attain this, the health of the patient must be attended to and kept good, and all causes which irritate and cause the wounded part to inflame or become weaker must be avoided. The causes which weaken the part are various forms of unrest, mechanical or chemical. To carry out this principle two things are required, viz., accurate approximation of the cut surfaces, and absolute immo- bilisation of the part. Where accurate approximation of the cut surfaces cannot be obtained, the same principle of absolute rest must be carried out as regards the clot filling up the gap, and it may thus resist the development of bacteria in its sub- stance. Were T compelled to treat any case on this principle alone, I should combine with it the open method, leaving the wound freely exposed to the air. The superficial layer of the clot, by drying up, would thus to some extent form an obstacle to the entrance of organisms. I have mentioned this as an antiseptic method, as the principle is of great importance in explaining certain otherwise puzzling cases, but I should not recommend it for adoption, for it is only in a few cases, such as in face wounds, where the vitality of the part is high, that this vital action of the tissues and blood clot can be sufficiently trusted. Such are the chief principles on which antiseptic surgery can be carried out. In the class of antiseptic methods to which I have referred in this chapter, the surgeon does not adhere strictly to one or other principle, partly because the principles on which he acts have not as yet been properly understood or- appreciated, and partly beca\ise better results can be obtained by their combination. In many minor ways the antiseptic principle may be aided. Thus, by the use of catgut ligatures, we do not have a long septic thread hanging out of the wound, conducting putrefac- tion into its interior and leading to deep-seated suppurations, &c. The silver suture acts in the same way as compared with the silk. Silver does not absorb the putrescible materials, and thus putrefaction does not occur in it. On the contrary, silk absorbs blood and serum, which putrefy in it, and the silk which was COXCLUSIOXS. 287 at first unirritating, becomes very acrid and causes inflamma- tion in its vicinity. What are the various means by which the general health and tone are kept up in septic cases, what is the careful selection of healthy individuals for operation, but imperfect attempts at antiseptic surgery ? What is ventilation but an antiseptic means ? The air being constantly changed, the foul emanations from wounds contain- ing septic bacteria are diluted and swept away, while at the same time a better state of health is obtained. And so I might go on enumerating various minute points which have been, in ignorance of theu' true significance, adopted in the treatment of wounds, all of which, more or less, act on and promote antiseptic principles. We thus come to the end of our discussion of the Principles and Practice of Antiseptic Surgery. We have seen that anti- septic surgery is simply a struggle with the causes of putrefac- tion. I have not mentioned the germ theory of infective disease at all. That has no essential bearing on the principles of antiseptic surgery. All that is required of antiseptic surgery is to prevent the occmTence of all kinds of fermenta- tion. The germ theory of infective disease is, I say, an inde- pendent view, and not part of those principles at all. It is from mixing up these two theories that the confusion, and much of the difficulty in accepting the principles of antiseptic surgery, have arisen. Thus, for instance, a surgeon who writes a good deal on this subject, after admitting to the full the genn theory of putrefaction, states that he refuses to accept the principles of antiseptic surgery and aseptic surgery in its train ! Speaking of the principles of antiseptic surgery, he says : ' Granting that the same germs which would inevitably produce putrefaction in a dead infusion of beef are constantly admitted to wounds, there is not the slightest particle of evidence that they do produce any change whatever upon Uviiifj tissues, still less is there any evidence that the changes which occur in the numerous varieties of what we call blood poisonings, even when they are of an undoul)ted]y hjcal origin, have the slightest analogy to those seen in a putrefying dead infusion.' Such a passage simply shows that the author is confusing 288 ANTISEPTIC SURGERY. together the two germ theories —that of putrefaction with that of infective disease. But, as I have already pointed out, the germ theory of puti^ef action is the only vieiu at the basis of antiseptic surgery ; and the author admits the truth of this theory, and yet rejects aseptic surgery ! But let the germ theory of putrefaction be once admitted, antiseptic surgery and, where possible, aseptic siu-gery, is the logical, practical outcome. What does it matter for the principles of antiseptic surgery what the precise relations are which fermentations in wounds bear to the bad symptoms after wounds ? These are points to discuss in connection with the results obtained, but they are not the essential points to be considered in determining the adoption or rejection of anti- septic methods. Leaving out of view the question of infective disease, and supposing that we deny its connection with fermentations in wounds, I would ask any surgeon who takes the above line of argument, whether he would view with satisfaction the en- trance of causes of putrefaction into the peritoneal cavity ? I venture to say that he would not, and that the following would be the result of his calmer cogitations : ' I do not care at all what relations fermentations in wounds bear to infective diseases, but I would rather not have putrefaction present in the abdominal cavity, and I must insist on your taking all possible precautions to prevent the entrance of its causes. In other w^ords, I believe in the germ theory of putre- faction, and I wish the methods of practice which follow logically from such belief to be fully earned out in this case ; i.e. I wish the strictest aseptic precautions to be employed. If, at the same time, infective disease is also avoided, I shall be very pleased, but I do not understand the causes of it. I do under- stand, however, the causes of putrefaction, and I wish no pre- caution to be spared by which it may be avoided.' I venture to think that, with the mass of evidence now existing, there will be very few disbelievers in the germ theory of putrefaction ; and, as soon as a man accepts that view, he is bound, as a rational man, to put his belief into practice on one or other of the lines indicated here. He must do that, I say, whether he believes in the germ theory of infective disease or CONCLUSIONS. 289 not, were he indeed ignorant of the existence of such a view ; though no doubt the precise amount of energy which he will bring to bear in carrying out one or other method will to a certain extent depend on the view which he takes of the dangers which may arise from fermentations in wounds, and these we shall have to consider when we come to speak of the results of the various methods. 200 HISTORY OF ANTISEPTIC SURGERY. CHAPTER XIV. HISTORY OF ANTISEPTIC SURGERY. Practice of the ancient writers. Attempts of tlie ancients to secure immedi- ate union of wounds. Pare and Paracelsus: Delacroix: Arceeus: Progress of wound treatment in the sixteenth century. Seventeenth century : Magatus : Wiseman : Colbatch : Progress in the seventeenth century. Eighteenth century and the early part of the nineteenth : Boerhaave : Col de Villars : Heister : Bilguer : Benjamin Bell : Abernethy : John Hunter's objections to the views of Bell and Abernethy : John Bell : opinions and practice of other surgeons : Conclusions : Von Kern. Antiseptic surgery being, as we have seen, a very wide term, in endeavouring to take a philosophical view of its his- tory and development, we must trace the development of the methods of wound treatment during the last two centuries at least. In doing so, and in order to avoid repetition when we come to consider the results of the various methods, I shall introduce into this historical part such details of the results obtained as seem to me advisable. Without entering into details on the practice of the ancient writers, we may look on their modes of treatment as more or less directed to making the wound heal. Thus, substances were applied to Tnake the flesh grow, others to make the growing flesh firm, and others to make the wound cicatrise. Amid all these attempts, the tendency of the ivound itself toivards healing was almost entirely lost sight of. It was supposed that without these applications all sorts of evil results would take place, and healing would not occur. These ideas reigned paramount for centuries ; and we find them still ad- vocated, not perhaps in such a glaring manner, up till very recent times. Nevertheless, there were surgeons who from time to time were bold enough or had insight enough to protest against EARLY WRITEBS. 291 these views. Amongst these we may mention Paul D'EdiNETA,' who lived probably in the seventh century. . He proscribes the numerous plasters, by means of which, he says, the action of nature is choked, and he shows himself not ignorant that it is to nature herself that one must attribute the successive changes that wounds present. Eogerius,- in the thirteenth century, also protested against the numerous dressings then , in vogue, and used only wine and honey as local applications. The rule at that time was not to attempt to close the wound, even where that was possible, for it was supposed that all sorts of evil humours would be pent up, and cause constitu- tional affections. On the contrary, wounds were distended with tents and plugs, which were covered with all manner of ointments, and imbued with various kinds of medicaments- Attempts were, however, made from time to time to procure union. Among those who made these attempts may be men- tioned Bruno,^ in the thirteenth century, who treated wounds differently according as they were simple incised wounds, or wounds with loss of substance. The former he closed at once, while the latter were made to suppurate, except in cases where nerves were injured, where he thought that 'putrefaction might cause spasm : ' already we see the germ of the idea, which is at present gaining ground, that there is an intim.ate relation between tetanus and septic changes in wounds. Similar views were expressed about the same time by Lanfranc,'* who wrote at length against the dangers of tents, and who states that the immediate union of wounds ought to be the first aim of the surgeon in all cases of simple wounds, except in the case of a bite by a mad dog. During the next two centuries, sm-geons seem to have for- gotten, or not to have paid attention to, the teachings of Bnmo and I^anfranc, and to have still continued the practice of endeavouring to remove morbid humours, and of altering the supposed poisonous state of the surface of tlie wound by numerous and varied applications. The most prominent surgeon of tliis time was GuY DE CuAruAf",'' the celelM-atcd surgeon ' Soo I'Mrlal'-s JliMnlrc dc V Aiuiloiinc d dc In ('Iiiriirriif, 1770. ^ Ihifi. ■> IhUl.i. 17S. < ////>/. i.l!):5. •^ CMrvrfjifi Mai/ua, rct^tituta a L. Joulicrto, 1585. r 2 292 HISTORY OF AXriSEFTIC SURGERY. of Moutpellier. He used no less than five different ointments in the treatment of a simple wound. At the end of the fifteenth century, or the beginning of the sixteenth century, a new writer appeared in the person of De Vigo,' who for a time exercised a great influence on the progress of sm'gery. It was he who elaborated the dogma that gun- shot wounds are poisonous, and that they must be burnt. He speaks of the contact of the air with wounds as being very hurtful, and for that reason he unites the edges early, taking care not to leave any blood clots between the cut surfaces. He also objects to the unnecessary use of tents, and only introduces into the wounds lint covered with a digestive made with tur- pentine. To the wound itself he applied various powders, some of them containing antiseptic substances, and these no doubt assisted to form an antiseptic crust. In 1542 Michel Ais^ge Blondus^ wrote on the treatment of wounds by water. After arresting hsemorrhage, and removing foreign bodies, he applied dressings soaked in water. From this period we begin the real history of modern wound treatment. The two men who were most influential in rescuing this department of surgery from the state into which it had fallen, and in laying the foundation for the more modern methods of treatment, were Paracelsus and Pare. Philippe-Aureole-Theopheaste-Paeacelse-Bombast 3 was bom in 1493 at Einsiedeln, near Ziirich, and spent the early part of his life at Basle, as teacher of surgery. In his method of treating wounds, he only aimed at aiding nature. He sup- poses that there is a juice, distributed throughout the body^ which keeps the various tissues of the body in good health, and repairs them when they are injured. The whole aim of the surgeon ought to be to prevent alterations in this liquid, result- ing either from its contact with air or from other accidents. Nature alone is sufficient for this, as is seen in wounds of the lower animals, and the essential thing is not to interfere with natm-e. Medicaments are only of use as preserving this juice, and preventing its corruption (puti'efaction). In the treatment ' The Must Ea'cellent Warlics of Chirvrgcryc, ifcc, ]54r, - Portal's Histoire, i. 381. ^ Opei'a Medica Chimica, sire Paradoxa, 1603-5. PARE. 293 of wounds he employed silver wire sutures, and bathed or in- jected the wound with a solution of acetate of lead. These views were adopted by Ambroise Pare (1509-1584 ?).' He says: — ' Le chirurgien, pour la curation des playes, se doit proposer une commune indication, qui est, union des parties divisees ' . . . ' Or ceste premiere et generale indication est parfaite par nature comme le principal agent, et par le chirurgien comme ministre de nature ; et si nature n'est forte, le chirurgien ne pourra venir a sa fin pretendue.' Pare mentions a variety of topical applications, but his great aim is to keep the part at rest. ' Preserve the temper of a wound by low diet, a little wine, and rest ; avoid venery, contentions, brawls, angers and other perturbations of the mind.' As is well known, he was the first to show that gunshot wounds were not poisonous. He simply enlarged these, and extracted any foreign bodies, and then applied suppurative medicines. He regarded wounds of joints as very fatal, and for the most part deadly, and here he counsels the application of Venice turpentine, and not of sup- purative medicines. His views with regard to air are interest- ing. He looked on pure air as rather beneficial to the wound, and to the patient, but the air of sick rooms, camps, &c., is generally, as he supposed, loaded with miasms, and therefore very dangerous, and it is the miasms in the air rather than the air itself, which are the source of the danger. It was chiefly by the writings and teachings of these two men, that the ideas that the wound must be fed, that bad humours must be removed, and that wounds cannot heal without constant meddling, gave place to the true view that natui'e is the only agent in the healing of wounds, and that all that we can or ought to do is to remove anything which inter- feres with its proper action. Pare looked more especially to the constitution. He strengthened the body as a whole, while removing, as far as he knew, any local disturbing causes. The former is, however, the point which he considered the most important. Jean Andr^ Delacroix (1573)^ was one of the most suc- ' QHuvres Completes, par J. F. 31'algaigne, 18-10. See also The M'orhs of that f anions Chiru/rgion, translated by Thomas Jolinston, 1GG5. "^ Portal's Ilistoire, ii. 41. L>n4 HISTORY OF AXTISErTIC SURGERY. cessful surgeons of that time, and adopted the views just related as to the powers of nature. He used antiseptic substances very largely. Thus he recommends strongly, as applications to wounds, ethereal oils and substances containing alcohol. After the bleeding had been arrested and foreign bodies removed, he washed out the wounds with some ' detergent liquid,' and then applied plasters containing chiefly pitch and oil of tur- pentine. His results were exceptionally good. The bad effects of the air were much feared by WiJRTZ,' who, in order to prevent its access to wounds, kept the doors of the sick room closely shut while he rapidly changed his dressings. Fallopius ^ also, about the same time, from the same fear of the air, made a number of experiments on healing under a crust. The method of treatment employed by P'RANgois Arc^US ^ (1574) was more simple than any of the others used up to that time. Having arrested bleeding, and removed foreign bodies, he washed the wound with alcohol, or with wine containing myrrh or other similar substances, and brought the edges to- gether with sutures, leaving an opening which could be kept open, if necessary, by a piece of lint introduced into it. He then applied a balsam, which afterwards attained great celebrity, and which he describes as follows : — ' Prenez terebenthine claire et baume elemi une once et demie de chacun ; de la graisse d'un animal cliatre, deux onces ; vieille graisse de pore, une once. Faites foudre tons ces ingrediens a un feu modere, et vous aurez un liniment que vous ferez foudre toutes les fois que vous voudrez vous en servir. Vous en oindrez la plaie avec une plume et vous couvrirez le tout avec un emplatre de Vigo.' He had some remarkable results by the use of this method, which really is a fair antiseptic method, and not far removed from an aseptic one. ViCARY,'' towards the end of the same century, washed out wounds with a balsamic water, stitched them up, and covered ' Practica cler Wuinlarztncij, Basel, lo'.tO. - Opera Omnia, 1600-6. 3 A 'most JExcellcibt and Covijjcudious Mcthud of ciiriini W'oundcs in the Head and ill other Parts of the Body, translated by John Head, 1588. ■' Tlie A'lir/Hshman's Treasure, <^'c., 1G2G. ^SEVENTEENTH CENTUIiY. 295 them with various balsams, and he speaks of the excellent results which he obtained in this way. The great advance in this century was the reassertion of the part played by nature, and the abandonment of the ideas of feeding wounds or of making flesh. Here also we have the first strong recommendation to apply antiseptics to wounds, and the success of these applications, in the hands of Arcseus more especially, is vouched for by the fame which his balsam afterwards acquired. Nevertheless, as such methods were simply the result of chance, and did not arise from any glimpse of the true principles which were at work in obtaining the good results, they never became established modes of treatment. During this century, two writers more especially, Paracelsus and Wiirtz, looked on the admission of air to wounds as a very bad thing, while Pare went the length of ascribing the harm not so much to the air as to miasms contained in it. Seventeenth Century. The evil effects of air were, however, most prominently brought forward by Magatus * (1516), to whom also must be accorded the credit of having first thoroughly recognised the importance of rest in the treatment of wounds. He says that the air is charged with miasms, which infect the parts with which they come in contact. He points out as an instance of this, the rapid putrefaction of an egg if a hole is made into it. He also writes strongly in favour of perfect mechanical rest, for he thinks that movement is a frequent cause of the bad results which follow wounds. With the view of obtaining both objects, the exclusion of air and perfect rest, he recommends very infrequent changing of the dressings ; indeed, he only changed them when it became absolutely necessary. He left spaces between the sutures for the escape of pus, but he objected strongly to the use of tents. He did not wipe away the pus from a wound, because he thought that it ultimately formed the cicatrix, and in the meantime protected the wound. These infrequent dressings, owing to fear of bad effects from the contact of air with the wound, were, as we now know, the outcome of a wrong theory ; and although Magatus's teaching exercised great influence down to recent times, yet in the case ' De rata Midlcatiunc r«^«t'/(t/«, IGIG. L>9G HIISTORY OF ANTISEPTIC StfRGERY. of those who have studied and acted on his views, the reaction has been so great when they have discovered how insufficient they were, that the good points in his method were for a long time Hkewise rejected. During this seventeenth century, there was but Httle pro- gress made. The accumulation of dressings, which had been given up to some extent at the commencement of the century, had been again introduced, chiefly as the result of Magatus's teaching on the bad effects of air. These dressings contained, however, balsams and other antiseptics of various kinds, and thus the bad effects which must have arisen from keeping putrid dressings in contact with wounds for a long time, may have been to some extent avoided. It is interesting to note, in reference to our future considera- tion of the results of various methods of wound treatment, that Magatus's method by no means did away with the dangers of such injuries as incisions into joints. Thus, to quote from James Cooke's ' Marrow of Chirurgery ' (1685) ; under ' Wounds of Joints,' he says : ' If a wound associate to a dislocation so that the joynt be bar'd and a little thrust out of the skin ; in great joynts 'tis deadly, in all bad : yea, after set, there oft follows inflammation, convulsion, &c., especially if withal there be a fracture near the joynt.' That advance was being made, and that the teachings of Mao'atus were not blindly followed, is evident, for example, from the writings of Eichaed Wiseman • (1692). Wiseman's views on the healing of wounds and his methods of treatment were re- markably good. In uniting the edges of a wound, he says that one must not force a pledget of lint between the lips, nor use violence. Unite the parts gently and equally ; then ' preserve the natural temperament of the part, that thereby agglutina- tion may be obtained.' Agglutination is the work of nature alone. Blood is the natural glue, and hence great care must be taken that it is good. Attend therefore to diet and regimen. Support the patient's strength. Do not stop strong drinks, if the patient has been accustomed to them. Do not purge ; but, if necessary, give gentle laxatives. He used as applications to wounds such remedies as turpentine, and outside this he applied 1 Chirurgical Treatises, 1G92. Sm JOHN COLBATCIL 297 cooling and astringent lotions. Powders of various kinds were sprinkled over the larger wounds. At the end of the seventeenth century appeared a most re- markable series of treatises by Sir John Colbatch,' in which he describes results obtained by the use of a medicament, which he unfortunately does not mention, but which gave him results only comparable to the true aseptic results obtained at the present day by the use of the aseptic method. That he should have concealed the name of the substance employed cannot be too much regretted ; but that nevertheless he was no ignorant quack, telling falsehoods simply to sell his wares, is shown by the position which he ultimately attained in his pro- fession. The accuracy of his results are also attested partly by the publicity with which they v/ere obtained, but chiefly by the clearness of the description which he gives of the progress of his cases — a progress which could not at that time have been imagined by any one who had not seen the facts. A typical aseptic course is described, while there is no doubt that he had observed vascularisation of the blood clot, and its replacement by new tissue, just as has been described in the present day by Mr. Lister. In his preface he asserts ' that the method of chirm'gery hitherto used is not the best ; that all probes and tents, all digestive and suppurating medicines, all cauterizing and straight ligatures are injurious to the patients, and procrastinate their cure.' His view is, that when a wound is made the ' nutritious juice ' escapes from the vessels. ' Now all the medicines used in the common methods of chirurgery are of such a nature as to relax the divided fibres so much, that they cannot contain the nutritious matter brought to them, but let it pass into the wound, where it is by the same medicines corrupted and turned into that substance we commonly call matter. Now the corrup- tion of the nutritious juice cannot be performed without a sort oi fermentation, and it is the fermenting particles that, fretting the fibres, cause inflammation in wounds, and by entering into the blood, and dividing its texture, cause symptomatic fevers, which frequently prove so fatal.' He then goes on to say that by the medicines in common use surgeons cause suppuration ' Nonnn Lumen chirimjicum, &c., by Sir Julin Colbatcb, 1704. 298 HISTORY OF ANTISEPTIC SURGERY. and often mortiticcition, ' and when nature is almost tired and oppressed, weak as she is, they leave her to do her own work.' In the cases where the cavities of the body are wounded, the patient is considered certain to die ; ' for to bring a wound in the lungs, liver, guts, &c., to suppuration is to bring certain death, and to cure a wound without bringing it to suppuration, they don't pretend.' He then refers to the fact that in all wounds the patients were put on low diet, and more often than not blood was taken in large quantities, ' to the great weaken- ing of their patients.' As to Colbatch's method. ' Suppose a wound be made with a sword, or other cutting instrument, the length or depth of W'hich signifies nothing, I make a solution of my Potvder in water, for want of which, in urin ; and as soon as conveniently I can — the sooner the better — I either squeeze, or with a syringe, if the wound be deep, inject into the wound some of the said solution ; I then close the lips of the wound together, which, if wide and large, I stitch up. When I have so done, I apply a pledget of fine tow, wet in the said solution, to the wound ; not letting it go into it, but only to cover the edges of it, and lie all over it. And if there chances to be any large artery cut, I hold on the pledget close with my hand till the flux of blood ceases, which will be in a small time, otherwise not ' (he speaks of his medicine as a hsemostatic) ; ' afterwards I bind it on with a very easy ligature, then I give my tincture in wine.' In incised wounds one dressing, or at most two, were as many as were requisite, the second being applied at the end of three or four days. In wounds with loss of substance more dressings were necessary, and these were changed once in four days. As to his results, he says : — ' First of all, my medicines never cause any pain, unless it be just when the external one is squeezed or injected into the wound, and that pain is little more than what would be caused by using spring water in the same manner. ' Secondly, there is no pain afterwards, but the parts are pliant and easy, as if not hurt at all. 'Thirdly, if there has bin great pain before, according as it has bin greater or less, so it has bin longer or shorter before taken off, but the greatest in a short time. As when a ,SlIi JOHN COLBATCH. i>99 wound had bin long received, and bad other applications to it before mine, had bin much inflam'd and the parts adjacent much swell'd, and consequently the party in great pain, all these symptoms have bin totally taken off in twenty-four or forty-eight hom's at furthest and many times in such cases the greatest pain taken off in a few minutes. But they have never bin the cause of pain, swelling, or inflammation, which, by the way, is a certain argument they are no caustics, as some mali- ciously and falsely report. ' Fourthly, there has never any such thing as a fever, let the wound be ioterual or external, attended any who have used my medicine soon after they have bin wounded ; but several who have bin ill-managed before, and thrown into violent fevers, have in twenty-four hours, by the use of my medicines, bin totally freed from them, and that without blood-letting or ab- staining from flesh or wine, the more of which they drink, so they keep within bounds, I always find them the better. ' Fifthly, in all incised wounds, where my medicines have bin soon enough used, and no other applications preceded, they are perfectly cured in a few days without suppuration, and I have frequently observed that at about four days' end, such wounds have bin filled with a substance much like hartshorn jelly, which I have conjectured to be young flesh, and in two or three days I have found my conjectures true, the said substance being converted into good flesh. But where wounds have bin long receiv'd and matter generated, they have bin cured in a small time, without repeating the application above once in three or four days. I have had to do with wounds long re- ceived, which have bin both deep and large, and by the common methods must have discharged a great quantity of matter, but the quantity of matter coming away after using the medicines, has bin so small, that I have good reason to con- jecture it was no more than what was formed before they were applied.' These statements correspond very much with what are now made by the supporters of the aseptic method, and they could hardly, more especially where he seems to describe organisation of blood clot, have been imagined at that time. Supposing that this powder were an antiseptic, the method employed is 300 HISTOllY OF ANTISEPTIC SURGERY. practically the same as that which I have described when no spray is at hand : fill the wound with the antiseptic lotion ; stitch up and apply your antiseptic dressing. Neudorfer, who also mentions Colbatch, thinks that this powder was a salicylate ; probably, on account of the smell of roses to which Colbatch refers, salicylate of ammonia. Thus in the seventeenth century but little real progress was made. The great aim was to exclude the air, and to avoid mechanical causes of unrest ; the chemical causes of unrest were not at all understood. Colbatch's method seems to have been completely lost, no doubt on account of his concealment of the natm-e of the substance used. Eighteenth Century and the Commencement of the Nineteenth. AuGUSTiN Belloste' (1700) reiterates Magatus's teaching. He fears the contact of the air, chiefly on account of the miasms which it contains, and in order to exclude these, and also in order to obtain mechanical rest, he recommends in- frequent dressings. He fills his wounds with charpie and follows Magatus in not washing away the pus. He advocates immediate union in cases where bones are divided. ' L'expe- rience m'a fait voir,' says he, ' en mille occasions que quand un OS est simplement decouvert, tout consiste, pour en eviter I'alteration, a le defendre des attaques de I'air. Pour cet effet, il faut procurer la reunion de la plaie le plus tot qu'il sera possible, par le moyen des bandages propres et des remedes balsamiques, sans la dilater avec les tentes et les bourdonnets ; par la I'os se recouvre promptement, et on evite I'exfoliation, qui est absolument necessaire quand on a donne le temps a I'air d'y faire ses impressions.' In 1706 Parmanus^ speaks of a lotion which he uses for wounds, which ' resists putrefaction, prevents ill accidents, and takes away the inflammation and pain of the wound.' His dressings were kept constantly moist with this lotion, and changed once in two or three days. In the same year Anel ^ published an account of a method of ' Le cJiirvrgieii d'Hopttal, 1707. * Chirvrgia Curiosa, 1706. ^ Portal's Ilistaire, iv. 398. EIGHTEENTH CENTURY. 301 evacuating abscesses by aspiration, without leaving an open wound. A similar kind of instrument for the puq^ose of re- moving blood from the thorax had been previously described by Delacroix (1573). As we have seen, the dread which surgeons as a rule up, to this time entertained of admitting air to wounds was not so much because it caused putrefaction of the discharges of wounds, but because it contained miasms which were hurtful to the patient. The connection between internal abscesses and wounds had been hardly as yet observed, and it was not till Boerhaave wrote, that this connection was recognised, and that a 'putrid discharge in a wound became a thing to be avoided.^ Boerhaave 2 (1720) pointed out the frequency of internal abscesses after certain injuries, and he ascribed this to the ab- soq^tion of pus by the open orifices of the veins of the wound. Boerhaave went further, and ascribed the evil effects to the putridity of the pus. This is very evident in the following quotations, which Jeannel (Pyohemie) gives from Boerhaave's aphorisms : ' Si turn relinquitur (pus) diii in loco clauso, attenu- atur, acre fit, putrescit, augetur, vicina consumit, erodit, mole, pondere et motu sinus fistula sque creat variis locis, varias, pessimas in intestino recto ; ' and also, ' Aut dissipata parte tenuiori reliquum durescens tumores duros, maxime circa glan- dulos creat, vel denique (pus) venis lymphaticis aut sangui- feris, per eroso osculo impressum absorbetur,' &c. Jeannel also quotes passages from Pare to show that he attributed the fever which accompanied wounds to a putrefaction of the jjus. Boerhaave's views were adopted by Le Dkan^ and Heister; and, in 1741, we find the necessity of frequent dressings, in order to prevent putrefaction, strongly urged by Col de Villars.'' The latter author advises that if there be much suppuration, the dressing should be changed twice a day. He ' Tliat wounds of the skull were apt to l)e followed by abscesses in the liver was long before noticed by Pare and others, but the significance of the fact was not understood. - Ajikorixvis concerning flw Kvoirlcdfjc (ind Citrc of iJ'ntcaKc, Xnin&hxXcxX by Delacoste, 1715. * Billroth, Ilistorische Stndicu iibcr die Bcvrthdluiifjen dcr Schusm-undcn 1859 •• f'ofirs dc ChirHnjie, ii. 17-41. 302 HISTORY OF ANTISEPTIC SURGERY. employed compresses soaked in wine or in Imlsams, sucli as the balsam of Arcaeus, or covered with an ointment consisting of equal parts of wax, turpentine, and oil of hypericum. In order to avoid the contact of the air the dressing was changed as, quickly as possible. Heister' (1753) used balsams very extensively, not because he held that they conduced to form new flesh, but chiefly be- cause they removed everything that might hinder that pro- cess, more especially putrefaction. In order to prevent the access of air, which he considered hurtful, ih.& surgeon was in- structed not to remove the old dressings till the new were ready for application. Heister attended to the drainage of his wounds, and, if necessary, he made a counter-opening into which he introduced a piece of lint covered with some sort of balsam. The edges of the wound were brought together either by stitches or by plasters composed of various balsams. The most important work, however, in which the action of antiseptics is especially recommended, was Bilguer's^ (1764). His method of treatment in all kinds of wounds consisted essentially in filling all the recesses of the wound with antisep- tics, and laying over the wound a piece of lint dipped in an antiseptic solution. His method is specially described in con- nection with cases of mortification. He makes incisions through the dead parts, which incisions should be large and numerous, but should not touch the living part. He then squeezes out the corrupted humours, and pom's in the following mixture : ' Of frankincense, mastick, sarcocolla, and myrrh finely powdered, true balsam of Peru, and genuine essential oil of cloves — equal parts ; of balsam of Fioraventi, as much as may, after mixing all the ingredients over a very gentle fire, form a thin liniment.' Over this is laid some dry lint, thoroughly sprinkled with a powder composed of ' an ounce of myrrh finely powdered, half an ounce of sal-ammoniac, camphor and nitre — of each a drachm.' If necessary, fomentations may be applied outside this. These fomentations should be com2:)Osed of 'a pint of lime- water, 3 ounces of camphorated spirits of wine, and H ounce ' Clcnvral Sjixicvi of Sin-f/tTi/, translalcd 1753. - A DiHStoiation on the Invtllif)/ of fhr Atnjmfofiitn of the Linilm, witli notes by M. Tissot, 1764. BILGUER. 303 of sal-ammoniac' A variety of other mixtures and methods of treatment are mentioned, but the quotations will show the essential points. In this method the thorough application of these sub- stances would no doubt result in complete asepticism ; and the results which he obtained are very remarkable. From his ex- perience, he sets his face strongly against amputation. He says : ' The cutting off a limb being the severest means employed in surgery for the relief of mankind — an operation which every one beholds with horror — I cannot, I imagine, better accomplish my design, or do a greater service than by demonstrating that the cases wherein amputation is necessary are much less frequent than has been hitherto supposed, and that it may even be almost totally dispensed with.' With regard to his results he says : ' I have had under my care, during the course of the late bloody war, a great number of wounded limbs, torn and shattered by cannon and musket- balls, by the bursting of bomb-shells and grenades, by grape- shot, &c. I cured them without ever performing amputation . . . although there were bones broken and shattered, large blood-vessels divided, the flesh miserably lacerated, and limbs carried off; others in which the bones were split up as high as the articulation ; all which circumstances might make us rea- sonably apprehend a tedious and difficult cure, too plentiful a suppuration, haemorrhages, violent inflammation, excessive cor- ruption, mortification, and death.' . . . ' I had at one time, during the war, in a military hospital, 6618 wounded persons, who were all treated according to my direction, and part of whom I attended myself. Of these, 5557 persons were perfectly cured, and in a condition to support all the fatigues of the service; 195 were able to do duty in garri- son — what they call " half-invalids " — or to work at any trade ; 213 remained incapable of any labour, civil or military, what they call "grand invalids," and 653 died.' The 195 and 213 invalids belonged to the class of cases who had their bones bruised, broken, or sliattered. After a calculation which I need not go into, he very reasonably con- cludes that ' much the greater part of these 408 men cured and sent to the Invalidcs would have died if amputation had ,'J04 HISTORY OF ANTISEPTIC SURGERY. been performed.' He compares this with the ' prodigious numlier of wounded men who at the beginning of the war had their limbs taken off on account of dangerous wounds, of whom scarce one or two escaped with their lives.' He concludes thus : ' Further, if it be considered that many of those who died might have recovered, had they been taken care of anywhere else than in an hospital, where the air is very bad, and if it be called to mind at the same time, what some very eminent sur- geons have observed, that two-thirds of those die who have their limbs cut off, I hope it will be readily acknowledged that my method of treating wounded limbs by saving them, is highly preferable to that of amputation.' As a contrast to this method I may refer to that used by Percival Pott* (1768) in compound fractures. Wliere the limb is treated conservatively, he recommends immediate reduc- tion, and then he mentions two requisites: 1. The mainten- ance of a proper opening for the free escape of discharges — a counter-opening being made if necessary ; and 2. The preven- tion of inflammations in order that the wound may heal, as far as possible, by first intention. His dressing was a piece of dry lint next the wound, and outside this a ' pledget spread with a soft easy digestive.' As the result of this treatment in com- pound fractures, wounds of joints, &c., he thinks that the patient has the best chance by immediate amputation. Thus Bilguer, by his piles of dressings, but these acting more or less completely on aseptic principles, regards compound fracture as a much more favourable accident than does Percival Pott with his simple non-antiseptic dressings. Towards the end of this century, the evil influences of air on wounds was brought very prominently forwards, more espe- cially in England. About this time Pkingle ^ published a work on the diseases of the army, in which he speaks of diseases arising in consequence of foul air, and narrates a series of ex- periments made with various antiseptic substances. In 1 784 Benjamin Bell ^ published his treatise on the theory and management of ulcers, in which he speaks very strongly ' (,'hiriirgical WorTis, edited by Sir James Earle, 1808. ^ Ohscrrations on the Diseases of the Arvnj, tliird edition, 17(!1. ^ Treatise oti the Theory and ManoAiement of Uleers, 1784. BENJAMIN BELL. 305 of the bad effects of air : ' The bad effects of air,' says he, ' on every species of sore are well known to every practitioner, but its pernicious influence on a newly opened abscess is often really astonishing. It first occasions a total change in the nature of the matter, from perhaps a very laudable pus to a thin ill-digested sanies, and afterwards brings on a quickness of piilse, debilitating sweats, and other symptoms of hectic fever, which for the most part, when the collection has been con- siderable, either carries the patient off in a short time, or ter- minates in a confirmed phthisis, which sooner or later proves fatal.' How air acts he does not know, but he thinks that it may stimulate the absorbents to greater absorption of pus, ' and it may likewise, by rendering the matter more putrid than before, give even to the same quantity greater activity in pro- ducing the different symptoms of hectic' On this principle (of preventing putridity) he would account for the operation of many of the remedies commonly employed at that time in the treatment of sores. As a means of avoiding all these dangers, he recommends the introduction of a seton into an abscess, and he thinks that the progress of cases so treated is better than that of those in which the abscess is laid freely open. In hydrocele, however, he found that the use of the seton was followed by great pain and constitutional disturbance. From what has gone before it will be readily understood why such disturbance resulted, and also that, in the case of the abscess, no real benefit was derived. Benjamin Bell also used leaden drainage tubes. In incised wounds, after bringing the edges together, he applies ' no dressings except a thin covering of soft lint to protect the parts beneath from cold, and to keep out the air.' He is always reiterating the statement that ' nothing proves more hurtful to sores than exposure to the air ; ' and he directs his efforts to excluding the air by closely applied ointments, &c. He also details the disastrous results of wounds of joints, and he says that many authors advise innnediate amputation in such cases. In small wounds, however, he draws down the skin and stitches it in such a position as to make a valvular opening. He proposes a valvular incision for the removal of cartilages X 306 HISTORY OF ANTISEPTIC SURGERY. from joints where the cartilages are quite loose, but where they are attached to any part of the synovial membrane, and the jiain is insupportable, he would advise amputation as ' less pain- ful as well as less hazardous.' Similar views as to the bad effects of air on wounds were expressed by Hugh Munro ' (1792) ; and he agrees with Bell in attributing the disastrous consequences following wounds of joints and incisions into psoas abscesses to the entrance of air and the putrefaction of the discharge. Alexander Munro '^ (1788) had previously written on the bad effects of air on serous sacs, but he thinks the coldness of the air is their chief cause. James Latta^ (1795) gives the teaching of the Edinburgh school, which is essentially that of Benjamin Bell. He says that the admission of air into abscesses ' is immediately attended with symptoms of putridity ; the pus, which at first was white, thick and free from any foetor, becomes instantly thin, foetid, and corrosive ; a quick pulse and hectic sweats come on, from which the patient scarcely recovers, if the collection of matter has been very large.' In the Encyclopedie Methodique (1790) Alexander Munro's idea as to the coldness of the air being the injurious factor is upheld, but, at the same time, the impurity of the air is also brought forward, and an attempt is made to prove its influence by citing the different resvdts of am})utations in town and country. The advocate of the bad effects of air who succeeded in turning his views to the best account was, however, AbernethV* (1793). He first points out in his 'Essay on Lumbar Abscesses ' that ' whilst the condensed cellular sub- stance which forms the cyst of an abscess remains entire, it continues free from inflammation, and the contained pus suffers no putrefaction, nor evident alteration of quality ; . . . when- ever the abscess is o])ened, either by ulceration or by the hand of the surgeon, a sudden and generally considerable inflamma- tion extends over the whole cyst. This is followed by a cojuous ' A Com])en5. - Anfai)(is-grunde der WmidurziieiJnivKt, 17'.)9. * John ilunfcr\i WorJis, Vol. III., edited by F. Palmer, 1835. JOHN HUNTER. 309 subject ' (the question of inflammation in wounds) ; 'and as every violence committed from without, under the circumstances before mentioned, is exposed more or less to the surrounding air, the application of this matter to internal surfaces has generally been assigned as a cause of this inflammation ; but air certainly has not the least efifect upon those parts, for a stimulus would arise from a wound were it even contained in a vacuum. Nor does the air get to the parts that form circumscribed abscesses, so as to be a cause of their formation ; and yet they as readily suppurate in consequence of inflammation as exposed surfaces. 'Further, in many cases of emphysema, where the air is diffused over the whole body, we have no such effect — and this air not the purest — excepting there is produced an exposure or imperfection of some internal surface for this air to make its escape by, and then this part inflames. Nay, as a stronger proof, and of the same kind with the former, that it is not the admission of air which makes parts fall into inflammation, we find that the cells in the soft parts of birds, and many of the cells and canals of the bones of the same tribe of animals, which communicate with the lung, and at all times have more or less air in them, never inflame ; but if these cells are ex- posed in an unnatural way, by being wounded, &c., then the stimulus of imperfection is given, and the cells inflame, and unite, if allowed ; but if prevented they then suppurate, granu- late, &c. ' The same observation is applicable to a wound made into the cavity of the abdomen of a fowl, for there the wound in- flames and unites to the intestines to make it a perfect cavity again ; but if this union is not allowed to take place, then more or less of the abdomen will inflame and suppurate. ' If it was necessary that air should be admitted in order for suppuration to take place, we should not readily account for suppuration taking place in the nose from a cold, as that part is not more under the influence of air at one time than at another ; nor is the urethra in a gonorrhoea affected by the air more at that time than at any other ; these parts being at all times under the same circumstances with respect to air. Therefore, there must be another cause.' Truly there is another cause, as has been 310 HISTORY OF ANTISEPTIC SURGERY. already demonstrated, but not the one John Hunter supposed, as we shall see when we consider the results of subcutaneous injuries and subcutaneous operations. John Hunter's treatment of wounds is very simple. He wished to allow nature to perform her work herself, simply applying poultices or ointments to allow the protecting dress- ing to come off easily. It is in his views on healing by scabbing that we are mainly interested. He observed that when blood dried on a wound, that wound often healed without suppuration ; and hence he concluded that a scab was an obstacle to suppuration, chiefly because it precludes the necessity for the formation of discharge to act as a covering for the exjiosed surfaces. He considered that it was the best practice to let superficial wounds scab over. Many deep-seated wounds also, where the deep parts are in contact, may be allowed to scab. This ought likewise to be done in cases of compound fracture with a small external wound. In large wounds this formation of a scab did not always succeed, but he did not think that there was any danger in trying to get it. In such cases the crust formation could be aided by the sprinkling of powders over the surface, such as chalk or lapis calaminaris. Where suppuration occurred under the crust, he did not even then remove it in the first instance, but pressed out the pus in the hope that the remainder might dry up. When, however, it was evident that harm was being done, he applied poultices and removed the crusts. John Bell ' likewise denied that the bad results of wounds were due to the admission of air. In the edition of his ' Prin- ciples of Surgery,' edited in 1826 by Charles Bell, he opposes strongly the idea that air can in any way cause inflammation, and he criticises severely Munro's book on the ' Bursse Mucosae.' He points out that in the case of abdominal wounds or of psoas abscesses air cannot enter the cavity. He further adds : ' That the air which we breathe, and which we feel upon the surface so bland and delightful, should have so opposite a relation to the internal parts, that it should there be a stimulus more acrid and more dangerous than the m'ine or bile, is not to be believed upon slight grounds : this misfortune of inflammation Prinrijilex of Siirr/rry, edited by Sir Charles Bell, 1826. JOEN BELL. 311 running so quickly round all the surfaces of shut sacs, where- ever they happen to be wounded, proceeds altogether from another source, simple and plain to the last degree. For, in the wound of any shut cavity, where the parts do not adhere, the inflammation spreads and runs its course by a law of the animal economy, which we explain very ill when we call adhesion, the adhesive stage of inflammation, rej)resenting, as the first stage of a most dangerous disease, that adhesion which is a natural and healthy action, the most natural in all the system, and the farthest from disease. Thus, in a wound of the breast or belly, in a joint, or in any shut sac, if the parts, being neatly laid together, should once adhere, then there is no swelling, no pain, no formation of matter, the parts are well and sound in the very moment in which they adhere ; thus it is sometimes in narrow or slanting wounds. But if the wound be broad and open, or if the least thing keeps the lips apart from each other, or if they run into inflammation, then the lips tuna away from each other, matter forms, the wound inflames, and not the wound only, but also the wounded cavity inflames, so that if it be in a vital part, the man dies.' In speaking of compound fractures and dislocations, after citing the opinion of French surgeons, chiefly Palfin and Duverney, that amputation should always be performed, he says : ' We do not comply with any such barbarous rule ; ... we know that nature will do wonders, but they are wonders, and we never enter upon the attempt of preserving a limb thus desjDer- ately fractured without awful hesitation, and when we do venture to dilate the wound, and push back the bones, or saw them off, we feel all the responsibility of what we have just done.' Of wounds of joints he similarly says :^ ' We here pronounce the opinion which we have too often to deliver in common practice, that openings into inflamed joints are fatal ; and though there are in every book cases of anchylosed joints, we cannot forget that for one that has escaped by anchylosis, thousands have died.' Such are the results of his treatment, founded on the views we have quoted. He says, with regard to the methods of treatment : ' When a modem surgeon allows himself to talk about the mundifying, ' Discourses an tJie Nature and Cure of Wounds, 1812. 312 HISTORY OF ANTISEPTIC SURGERY. incarning, and cicatrising of wounds, or directs how to fill the wound up with good and sound flesh and keep it to a fair and even level with the adjacent skin, he but proclaims his own ignorance of the properties of the living body.' What we have to do, is to ' save the patient from immediate bleeding, and to lay the wounded parts so cleanly, so neatly, and so evenly in contact with each other, that they may adhere. The rest we leave to nature.' Sir Charles Bell,^ although imbued with his brother's teaching, recommends the valvular method in removing loose cartilages from the joints, and states that where the cartilage has escaped into the joint during the operation, the consequences are generally disastrous, on account of the exposure of the joint. Such is a short abstract of the views held by the gi-eatest surgeons of our country as to the effects of air on wounds ; but whatever conclusions were come to, the good results of Aber- nethy's valvular method were so evident that it was generally re- commended. As we have seen, Eichter and Theden, and, I may also say, Arnemann,^ adopted and advised it ; and Samuel Cooper^ (1807) says of it : ' I must consider it in the present state of surgery as the only one warrantable.' Cooper also recommends a valvular incision for the removal of loose carti- lages. He does not think that the situation of the incision, a point on which great stress was laid by some at that time, is of any consequence, but he makes it in a valvular manner, brings the edges of the wound accurately together, and keeps the limb extended, and completely motionless. He considers that the dangers of such operations have been much exaggerated, ' but, making every allowance for the influence of prejudice, a man must be very sceptical indeed who does not consider the wound of a large joint like that of the knee attended with real cause for the apprehension of danger.' In 1 808 John Pearson ■* wrote against Abemethy's method of opening psoas abscesses, and in favour of allowing them to burst. He says : ' The instances of those who perfectly recover from the empyema psoadicum are few in number when com- ' Princijfliis of Surgert/, edited bj'^ Sir Charles Bell, 1 826. * System der CMrm'die, 1798. ^ Trcatixe on tlic Diseases of Joints, 1807. * Principles of Surgery, 1808. ASTLEY COOPER. 313 pared with those to whom it proves fatal." That his results were not so good as those obtained by Abernethy's method is evident from his description of the com-se of psoas abscess. He says : ' Whether the abscess be opened artificially, or be permitted to open by a spontaneous rupture, a very large quantity of purulent matter, of the density of good pus, but often inclining to a cineritious colour, is generally evacuated from its cavity. The daily discharge of pus also greatly exceeds the quantity that might be expected from a tumour of that apparent magnitude. The sore frequently puts on a scrofulous aspect, all the hectical symptoms increase, and the patient is gradually destroyed.' Leveille • (1812) advocated the direct incision for removal of loose cartilages. In America Wm. Gibson^ (1824) advised valvular incisions in operations for removing loose cartilages from joints. He recognised, however, that 'wounds of the larger joints are among the most dangerous accidents in surgery ; "' and the same may be said of those ' wounds of the smaller articulations, trivial in the eyes of the surgeon, but, in defiance of all calculations, sometimes followed by tremendous symptoms, and even death.' Sir AsTLEY Cooper ^ (1819 and 1827) does not seem to have expressed any definite opinion on the effects of air on wounds. His method of dressing consisted in applying a piece of lint dipped in blood along the line of incision. This was fixed by strapping. A cooling lotion was used if there was much inflammation. I may mention here his views on wounds of joints. He advocates immediate and close union of the wound in the skin. Then he applies lint dipped in blood, and over this strapping. He covers the knee with linen soaked in a solution of acetate of lead and spirit and places the limb on a splint. As instances of improper treatment, he says : ■* ' If the patient has a poultice applied, or if the utmost attention be not paid to the immediate closure of the wound, inflammation of the synovial membrane arises, and su})puration ensues. In young ' No\irclle Doctrine CMrvroicalc, 1812. ^ The Princijdeit and Practice of Svrueri/, 1824. 3 On iJishcations, 181!). •* Lecivres on Snrgcry, oditcd by F. Tyrrell, 1827. 314 History of antisfptic surgery. and healthy constitutions, these wounds in the largest joints are recovered from, but in the aged and weak they destroy life. . . Recovery from these injuries, when inflammation has followed, is by adhesion, so as to destroy the synovial surface, or else by granulation, when a partial or general ossific anchylosis is the result.' Larrey ^ (1829) does not believe that it is so much the pene- tration of the air into the joint — for that very often does not occur — as the accumulation of blood and consequent tension, which give rise to the bad symptoms. BOYER^ ascribes the bad results of wounds to the action of air on them ; but he also considers that putrid pus is a bad application. His method of treatment was accordingly to apply masses of charpie over the wound in the first instance, and to leave this dressing on for several days. In this way he excluded the air till granulations had formed, and he looked on them as sufficient protection of the wound against the influences of the air. He therefore afterw-ards changed the dressings frequently, in order to remove the putrid pus. I need not go over his results in compound dislocations, wounds of joints, &c. So far as they are given, they do not differ essentially from the results of others. Thus six cases of wounds of joints are detailed, of which four died, and Phil. Boyer, who edits the work, refers to ten cases, all of which ended unfavourably. I have included a few writers of the present century along with those of last century, because they merely speak of results obtained by methods practised at that time. The whole facts as yet stated may therefore be taken as showing the state of surgery up to the year 1809. Let us now methodise the results as yet obtained from an antiseptic point of view. The bad effects of the air, down to Priestley's discovery, were generally supposed to be due to the temperature of the air. Pare and others had, however, as we have seen, added to this view the further supposition that it carried miasms to the ' Cliniqne Chiriirgicale, 1829. * Traitv de^ 3/aladii's CMrurgicales, &c., edited bj^ P. Boyer, 1844. WATER DRESSING: VON KERN. 315 wound ; while Benjamin Bell first spoke of the bad effects of the gases, more especially of the ' fixed air.' We shall see that this latter view has been more developed in recent times. Others, looking on the putrefaction of the discharges as a potent source of evil, attempted to prevent this by the appli- cation of various balsams and other antiseptics ; and, in two instances (Colbatch and Bilguer), with very great success. Many surgeons, however, saw in the better results of their time merely the effect of simplification of dressings, and, act- ing on this idea, they reduced their dressings to a minimum. Among those who held this view, and who have not been men- tioned, were Lombaed ^ and Percy,^ who, in 1785, learaed from an Alsatian that he had an infallible remedy for wounds. This turned out to be river water used along with certain magic utterances. Percy and Lombard employed water henceforth in various ways, and became enthusiastic in its praise. In 1809 ViNCENZ VON Kern published a little book entitled ' Avis aux Chirurgiens, pour les engager a adopter une methode plus simple, plus natm^elle, et moins dispendieuse dans le pansement des blesses.' In his method the wound was washed with tepid water, left open for eight to ten hours, then united with strips of plaster and covered with light compresses dipped in tepid water. To provide a drain the ligatures were all brought out at one part, or else a piece of oiled lint was intro- duced at one of the angles. U'he wound was cleansed once or twice daily by washing it with tepid water. In some cases he applied poultices. He says : ' Cold water for arrest of hemor- rhage, then warm water for the dressing, some small pieces of lint, absolute rest, and artificial heat : see ! that is all that is necessary for the treatment of any sort of wound.' Von Kern held, that the ordinary methods of dressing heated the wound and favoured inflammation and suppuration ; that they iiritated it mechanically and chemically and, in the case of stumps, by their weight, caused retraction of the soft parts. He considers air as not only not hurtful, but in fact useful. ' Folget meinem Beispiele : ' he exclaims. ' Durch ' Cliniqve Clnriirgieale relative ait.r Pfaiex, 17i)8. 2 Manuel (In Chirurgieu (VArmve, 1792. See also Ojnigcules de Medecine, &.C., 1827. .31G IIISTOBY OF ANTISEPTIC SURGERY. Anwendung dieser Grimdsatze werdet ihrden Kriegern unend- liche Schmerzen und dem Staate Millionen ersparen.' Von Kern's method, which was essentially water dressing — a septic dressing- — and w^hich I mention chiefly as a matter of history, was adopted by Von Walther in Bonn, and by Fritze in Prague. It was brought to England more especially by LiSTON, and up till 1860 was pretty generally adopted in this country. It did not spread much in France ; and here is Eochard's ' explanation, which is well worthy of careful attention : ' Si ce mode de traitement, si rationnel et si economique, n'a pas pu se generaliser en France, cela tient surtout aux conditions hygie- niques des hopitaux de nos grandes villes. Les Anglais, plus favorises que nous, ne voient pas I'infection purulente incessam- ment suspendue sur la tete de leurs malades, et c'est cette menace qui a de tout temps preoccupe les chirurgiens de Paris. Les pansements a Veau ne leiir ont pas offert centre elle une garantie suffisante ; il fallait des preservatifs 'plus certains,^ ou qui du moins parussent I'etre, et a I'epoque a laquelie nous nous reportons (1860) ils se livraient a cette recherche avec une ardeur et une fecondite d'imagination des plus louables.' In the further history of this subject we must, up till quite recent times, confine our attention to the progress of wound treatment in other countries. In England, where better hygienic conditions prevailed, this subject was almost entirely neglected ; and the chief aim of the surgeon was to perfect the methods and instruments for operating, and to attain great speed and dexterity in the performance of operations. ' Histoire de la Cliirurgic Franqaixi', 1875. - The italics are luine. THE INCUBATION METHOD. i>l7 CHAPTER XV. HISTORY OF ANTISEPTIC SURGERY — {continued). History of the various methods. Incubation: Guyot. Subcutaneous surgery, preliminary attempts: >Stromeyer : Dieffenbach : Jules Guerin : Langen- beck : Other authors. Occlusion : Jules Guerin : Chassaignac — Rochard's remarks : Pansement ouate — Alphonse Guerin, method and results— Oilier. Substitution of various gases for air : Demarquay and Leconte. Open Method: Bartscher and Vezin : Burow : Humphrey. Healing by scabbing : John Hunter : Neudorfer : Bennion : Lister : Bouisson : Bonnet, etc. Irrigation and the water-bath : early history : Josse : Berard : Mayor : Amussat : Langenbeck : Vfdette. We mu.st now trace the different modes of treatment to which the ideas as to the cause of the bad effects which often follow wounds have given rise. Incubation. As has been already mentioned, the view for a long time was that it was the cooling and drying effect of the air on the wound which had to be guarded against. Since Priestley's discovery this idea has been more or less abandoned ; but in 1835 and later, M. Jules Guyot ' studied the effects of cold, and attempted to found a method of treatment on his views. Guyot adduces evidence from Pare and Larrey to shew that wounds cicatrise most rapidly in warm air. Larrey, in his ' Campagne d'Sgypte,' states that the wounds in that hot climate cicatrise with as- tonishing rapidity ; and in his ' Campagne d'Allemagne ' he makes the opposite remark as to the deleterious effects of cold. Guyot accordingly made a series of experiments on ani- mals, and found that when wounds were kept at a temperature ' Archives Gencrak'S de Medfcine, Vol. VIII. 183.5. .See also De V Incubation et de soil, Infltiencethcrapcutiqne,Va.x'\ii, 1840; and Z>t' la Chalcnr danslc I'raitc- mcnt drs I'laies, 1842. 318 HISTORY OF ANTISEPTIC SURGERY. of about 35° C, they healed with great facility, and much more rajjidly than similar wounds left exposed to the ordinary tem- perature. He applied this method to wounds in man. His object was to smTound the part with a uniform and sufficiently elevated temperature (about 36° C, and not below 28°-30° C.) He en- closed the wounded part, without any dressing, in a box, into which a cmTent of warmed air was constantly introduced through a pipe. The box had glass sides, so that the wound could be always seen. This treatment was continued for from ten to twenty days. At first there was a very abundant serous dis- charge and by-and-by pus. The pus dried up, forming crusts, which were removed every two or three days. Guyot says that wounds thus treated heal more rapidly than by any other method, and also that wounds, such as some forms of ulcers, which refused to heal at the ordinary temperature, healed readily at a temperatm-e of 36° C. This method only merits the term antiseptic to a limited extent. No doubt the heat made the discharge more concen- trated, and possibly unfit for the growth of organisms, while at the same time mechanical rest was obtained. Nevertheless, the method did not fulfil the expectations of its introducer, and, partly for that reason, and partly also because it was so unwieldy, it has been completely abandoned. Subcutaneous Surgery. A much more important outcome of the idea of the bad effects of the gases of the air was, however, the introduction of the SUBCUTANEOUS method — a method which has maintained its place up to the present time and will probably always continue to do so to a certain extent. Already in the last century, and indeed earlier, the founda- tion of this method had been laid. Delacroix and Axel, by their methods of aspirating cavities containing blood or pus, and more especially Aberxethy, by his valvular incisions into abscesses and into joints, had carried out the principle more or less completely. Nevertheless it is to the introduction and practice of subcutaneous tenotomy that we owe the spread of the subcutaneous method. SUBCUTANEOUS SURGERY. 319 In 1807, Sir Charles Bell advised the subcutaneous division of the ligaments by means nf a cataract needle in cases of irreducible dislocation of the thumb. There seems to be no evidence, however, that he ever put his suggestion into practice. The first real attempt at conducting an operation under the skin was made by DELPECHin 1816.^ Delpech, in spite of what has been thought and said to the contrary, performed the opera- tion of tenotomy in this way in order to avoid the contact of the air with the divided tendon. Of the air he says : ' Get agent etait au moins un stimulant de plus qu'il paraissait prudent d'eviter ; c'est dans ce dessein que nous avons pratique notice operation, de maniere a ne point interesser la peauqui recouvre le tendon.' The old method of dividing tendons was to make a longitudinal incision over the tendon, expose and divide it. Delpech made a small incision on each side, introduced a narrow knife, and divided the tendon without exposing it. Unfor- tunately suppuration occurred in his first case. Probably in this same year Bransby Cooper divided the tendo Achillis subcutaneously. In 1817, Benjamin Brodie applied the same principle to a case of varicose veins, which he divided subcutaneously. This operation was at a later period revived by Eicord. Astley Cooper, probably looking at division of tendons from the old point of view, objected to subcutaneous tenotomy, but he recommended subcutaneous division of contracted palmar or plantar fascia, and in 1822 Bransby Cooper performed such an operation. Neither surgeon makes any remark about the principle on which these operations ought to be performed. In the same year (1822) Dupuytren performed the first subcutaneous myotomy. The muscle operated on was the sterno-mastoid. The account of the operation is not i)ub- lished, so far as I can find, by himself, and the accounts given in various works differ much. It seems, however, to have been a case of contracted sterno-mastoid in a female, and Dupuytren divided the muscle subcutaneously, not from any idea of excluding the air, but simply with the view of avoiding a large scar. Indeed his incision seems to have been more than an inch long, so that only })art of the o})eration was done ' JJc VOrthomorphii-, kc, 1828-29. 320 HISTORY OF AXTISEPTIC SURGERY. subcutaneously, and it was not at all performed on the sub- cutaneous principle. In 1830 DiEFFENBACH^ spcaks of Dupuytren's operation as having been frequently performed with success, and Syme, among others, repeated it in 1832 strictly subcutaneously. The various attempts at subcutaneous surgery which I have mentioned remained, however, in the main fruitless, till Stromeyer, and after him Dieffenbach, took up the subject. Stromeyer seems to have performed his first operation in 1831, and his first publication was made in 1833.^ He only operated on tendons. The object of his operation is distinctly stated to be the exclusion of the air by making as small an incision in the skin as possible. He looked on suppuration and sloughing of the tendon as the consequences were air admitted. He improved Delpech's operation by omitting one of the incisions, simply making a single incision of sufficient size to permit the introduction of a narrow-bladed knife. In his 'Beitrage zur operativen Orthopiidie,' published in 1838, he narrates a great number of cases of division of various tendons throughout the body. Dieffenbach, who had been perforndng Dupuytren's opera- tion pretty extensively, no sooner heard of Stromeyer's results, than he at once adopted the practice, and his publication in the ' Archives generales de Medecine,' in 1835, narrating numerous cases, excited the greatest interest, and along with Stromeyer's results firmly established the method. The most important writer on the subject, though in no way possessing any claim as its originator, was undoubtedly Jules Gu^rin. Though, as I have said, not possessing any claim as originator of the method, he was the first to study, and describe accurately, so far as the state of science at that time permitted, the principles on which subcutaneous surgery was based, and thus he paved the way for the more general application of these principles. In his ' Methode souscutanee,' published in 1841, he describes his views m detail, and gives a number of results. His first operations were performed in 1836, and in these he remarked the constant absence of in- ' See also (Jchcr die Darchxelinruliiiui dcr Sc/inr/i itnd Miislaln, 18-11. * Uchcr JJurvksclinciduvg dcr Achilles Schnc. linsfs JIutjaziii, Bd. iJ'J. SUBCUTANEOUS SURGERY. 321 jflammation, and the rapid organisation of the wound. Com- jmring his results in this respect with the details given by Dieffenbach, Lisfranc and others, in which the frequent occur- rence of inflammation and abscess is mentioned, he came to recognise the principles of subcutaneous surgery to the full, or at least so far as they could be recognised in the then state of science. He was thus led to establish the following law : ' That all wounds made subcutaneously, whatever be their seat and the natm-e of the tissues divided, possess the property of subcutaneous injuries of tendons, that is to say, do not inflame nor suppurate, but undergo immediate organisation.' Both on man and animals he found that the most extensive wounds, such as division of the great mass of the dorsal muscles, were not followed by any trace of inflammatory symptoms. He indicates some of the applications to which this principle of making the wound under the skin may be applied. Of these the following are the most important : Incisions into serous pouches ; subcutaneous incision of commencing inflammatory swellings ; subcutaneous removal of exostoses, leaving the de- tached portion to be absorbed, or to be removed after healing of the bone ; opening chronic abscesses ; numerous myotomies and tenotomies of all kinds. About this time various operations other than tenotomy were performed subcutaneously. Thus Barthelemy, Mal- GAIGNE and Velpeau (the two former with success) opened ganglia subcutaneously. M. Ricord, as we have mentioned, operated subcutaneously on the veins in varicocele. He pre- ferred to ligature them. DuFRESNE Chassaigne, and about the same time, or some- what later, Goyraud and Syme, proposed and carried into effect a subcutaneous method of removing loose cartilages from the knee-joint, by dividing the capsule subcutaneously, expelling the cartilage, and leaving it in a bed in the cellular tissue, from which it could be extracted at a later period. In England, William Adams ' published a pamphlet on sub- cutaneous surgery in 1857, in which he shews himself a strong advocate of the subcutaneous method. In support of the generally accepted views as to the principles of subcutaneous ' Subcutaneous Siir'jcry, 1857. Y 322 niSTORY OF ANTISEPTIC SURGERY. surgery, he quotes the following passage from Paget : ' For of the two injuries inflicted on a wound, the mechanical disturb- ance of the parts, and the exposure to the air of those that were covered, the exposure, if continued, is the worst. Both are apt to excite inflammation ; but the exposure excites it most certainly, and in the worst form, i.e., in the form which most delays the process of repair, and which is most apt to endanger life.' As pointed out by Dr. Henry Dick,^ Jules Gruerin, by his operation for removing exostoses, must be looked on as the first to operate subcutaneously on bones. Langenbeck, however, is the man who has popularised subcutaneous osteotomy. The idea first occurred to him during the Schleswig-Holstein war, in 1848, where he had introduced small straight pointed saw^s for section of bones. His first operations were not strictly sub- cutaneous, but in 1852 he practised subcutaneous operations for anchylosis of the knee, and he soon extended his method to the division of rickety bones. Meyer seems to have operated more perfectly for rickety deformities. Gross, in 1859, j^erformed osteotomy for deformity of the femur. This operation was followed by abscess at the seat of fracture, but the patient made a good recovery. In 1869 Adams'- extended this principle to division of the neck of the femur for anchylosis of the hip-joint. Quite recently Ogston has divided the internal condyle of the femur subcutaneously in cases of genu valgum. Ogston however always operates with strict Listerian precautions, but other surgeons still practise the operation subcutaneously, without bad result. Occlusion. Attempts have been made at various times to apply the supDosed subcutaneous principle of the exclusion of gases in the treatment of wounds, not in the first instance subcutaneous. I'hus have been produced the various methods of treatment by occliislon. We have already l^ecome acquainted with the at- ' Adams' Suhciitaneoux Snrcicrij. '■' ^1 Niiw Operation for Bony AnclujJosis of the Iliji- joint, 1871 OCCLUSIOX. 323 tempts of the ancients to exclude the air, by applying masses of di-essings. I do not refer to these, but to the more recent attempts which have been made since the principles of sub- cutaneous surgery have been discussed. In 1839, in a memoir communicated to the Academy on the subject of subcutaneous surgery, Jules Guj^RIN ascribed its good results to the exclusion of the air from the wound. He further enunciates as a proposition : ' Que les applications du phenomene de rorganisation immediate des plaies souscutanees sont de ramener toutes les plaies avec libre communication a Fair aux conditions des plaies souscutanees.' From that time he tried various means for the purpose of converting open wounds into subcutaneous ones, such as the application of goldbeater's skin, caoutchouc, &c. ; of these he considers, in 1844,^ that goldbeater's skin gave the best results. In 1844 Laugier also described a similar method of treatment in a paper entitled ' Sur I'heureux emploi du mucilage de gomme arabique et de la baudruche dans le traitement des plaies suppurantes.' Chassaigxac- also brought forward an identical method, and claimed priority over Jules Guerin. Chassaignac used the method in abscesses, as well as in wounds. He held that the Avails of abscesses, whether acute or chronic, resembled the surface of a recent wound, and by opening them by a small puncture he hoped to get adhesion of the walls. He covered his puncture with diachylon piaster. (There is here nothing essentially different from Abernethy's method.) Plve years later Chassaignac said that this method had been so successful that he had never observed a single case of erysipelas, of phlegmon, or of hospital gangrene, even in the most unhealthy hospitals, imder this method. Nevertheless, when he began to work at drainage he readily abandoned occlusion. Kochard's ^ remarks on Chassaignac's statement are very much to the point, and well worth quoting : ' Ce n'est i)as sans quelque etonnement qu'on voit se produire de pareilles assertions a chaque nouvelle methode qui apparait. En les jircnant an i)ied de la lettre, on serait force d'en conclure que ' Gazette Mi'dlcnlc, l^H. ^ Annalcs da ThcrapeKtujiie, \Mi. ' IHstoiro de la Chintnjie l'Vaii<;iiixe, 1875. 324 HISTORY OF ANTISEPTIC SURGERY. les accidents consecutifs des plaies doivent etre a peu pr^s inconnus dans les hopitanx de Paris, puisque tons les chirur- giens qui y j)ratiquent se flattent de les eviter surement par la methode qn'ils ont adoptee ; mais on ne salt que trop bien a quoi s'en tenir sur ce point, et quant a ce qui concerne les cuirasses de diachylon, Broca rappela qu'il avait vu mourir d'erysipele a Lariboisiere, et dans le service meme de I'inventeur, une femme qui avait ete pansee de cette maniere, a la suite d'une ablation du sein. Chassaignac, du reste, ne tarda pas a modifier son traitement en y introduisant un element nouveau, qui absorbe bientot tout le reste : on comprend que nous voulons parler du drainage chirurgical.' Collodion was introduced in America in 1848, as an applica- tion to the surface of the line of incision. In 1866,^ Jules Gruerin developed his ideas further, and described a complicated apparatus for the purpose, not only of excluding the air, but also of removing the discharge. He, unlike Chassaignac, had failed in obtaining any very satisfactory results from the methods formerly described, and he thought that this was because, though the impermeable material was closely applied in the first instance, it soon became lifted up by the discharges from the wound, and thus air got in. Then he also feared that by that method there would be accumulations of discharge, and that if these became putrid, their presence would be worse than that of air. I need not enter into a description of his method, which consisted essentially in applying an appara- tus fitting the limb closely, and from which the air was pumped out. In this way none of the gases of the air were in contact with the wound, while the discharges flowed freely out. He stated that in cases so treated there had been no inflamma- tion, or the inflammation had been shortened and reduced in severity. An absolutely identical method was brought forward in 1867 ^ by Maisonneuve, as something c{uite new. The only difference was, however, that, instead of pumping out the air once for all, he was continually pumping it out, and he called this ' L'aspira- tion continue.' ' Gazette Midicale. '' CoMj?tcs-reu(Ivi<, Vol LXV. 181)7. OCCLUSION. 325 Lanxelongue also published a method, in which he used a double-walled india rubber covering, and pumped air into the space between its walls. The inner sac, applying itself closely to the limb and the wound, prevented any air from coming in contact with the latter. There seems to be no doubt that whatever credit accrues to any one for the introduction of these methods is due to Jules Guerin ; and as the logical development of the view that the noxious agents in the air are the gases of the air, these attempts, with their failui'es, are of gi'eat interest and import- ance. In spite of the glowing terms in which Jules Guerin spoke of his method, it was not found to be of any use in the hands of others, while, what is of more importance, it broke down in the hands of Guerin himself dming the siege of Paris. In a discussion at the Academy of Medicine of Paris, in 1875, on Alphonse Guerin's cotton-wool dressing, Jules Guerin was asked about his results dm'ing the siege. He stated that at an ambulance (I'ambulance des ponts et chaussees), to which he was attached, he had treated only wounds by his method, but wounds which would otherwise have led to amputation. He said that his success was great, and that Nelaton, hearing of it, asked him to apply his method to his (Nelaton's) amputation cases. He tried it in three cases, all of which died, just as the amputation cases treated otherwise did. Jules Guerin then says : ' Cette effrayante mortalite avait sa raison dans I'infection generale de I'hotel, qu'il etait impossible d'aborder sans en etre averti par une odeiu* nauseabonde. . . . Je me borne a dire qu'en presence de telles conditions j'ai refuse d'etendre au-dela de ces trois sujets I'application de mes appareils au traitement des amputations pratiquees dans un milieu aussi profondement infecte.' These remarks are very interesting, as showing how useless this method was to protect against such accidents in situations favourable to their development, and also as showing how very little confidence M. Jules Guerin himself had in it when employed under unfavourable conditions. A more important method of occlusion, and one which yields much better results, is the ' PansemeiLt ouaU^ introduced by Alphonse Gui-lmN in 1871. We have already seen (p. 280 32G HISTORY OF AXTISEPTIC SVllGERY. that this is really a method of occlusion, and not an aseptic method, as asserted by its author. The first publication was made by Hervey ^ in December, 1871, and several details of the method and results are there given. I shall, however, refer to this paper later, and in the meantime take some facts from Blanciiard's ' Thesis,' '^ pub- lished in May, 1872. The mortality during the siege of Paris was excessively great; indeed, Hervey says that from September, 1870, till February, 1871, A. Gruerin only saved one case of amputation. Gruerin, who had for some time held the view that the cause of pyaemia was a miasm carried by the air to the wound, came to look on this miasm as particulate, though in 1869 he seems to have regarded it as gaseous. Acting on the view that the miasm was particulate, he applied large masses of cotton-wool in the hope of excluding it by filtration. There are two other principles on which this dressing acts, which are mentioned by Blanchard, viz., elastic compression and constant temperature. In using this dressing, ordinary rolls of cotton-wool are em- ployed, and cotton bandages. The cotton-wool is applied in such mass as to allow the most energetic compression without pain, say from a half to two kilogrammes of the wool. A region more extensive than the wound must be enveloped in it. The two precautions to which I have referred before must be attended to rigorously, viz. (1) the dressing must not be ap- plied or renewed in the ward, but in an amphitheatre or room at some distance from the wards ; (2 ) the cotton-wool ought not to be opened in the wards, because there the air is always more or less contaminated. Let us suppose that we have to deal with an amputation wound. The ligatures having been applied, are cut short ; the wound is then washed with tepid water, in order to see the bleeding points, and afterwards with some antiseptic liquid such as carbolic or alcoholic water ; the limb is then dried and the cotton-wool is laid over all the surface of the wound, new layers being applied till the stump is completely filled. The limb is now enveloped with rolls of cotton-wool as fiir as the upper part of the thigh. Then the ' Pangemcnt a V Oiinte. ArcliivQS Ginu'rales dc Medccine, 1871. - Jitudo snr Ic Panserncnt nvatc, 1 872. 'FANSEMENT OUATE: 327 bandage is applied, at first lightly, but afterwards more and more firmly. When it is sufficiently tight, the cotton-wool will not yield any more, and the note on percussion is tym- panitic. If the bandage gets loose, apply a new one. If the discharge comes through, apply more cotton-wool outside the dressing. If the smell is very bad, wash the dressing with camphorated alcohol, or with carbolic acid, or place pieces of camphor in the bed. As a rule the first dressing is changed twenty to twenty-five days after the operation. After removing the external layers, the deeper parts are moistened with water ; the wound is then washed with an antiseptic lotion, and a fresh dressing is applied. The advantages which are claimed for this method are — suppression of pain, absence of traumatic fever, diminution of suppui'ation, and ease in moving the patient. Blanchard states that during the first period, i.e. from April to the end of June, 1871, forty-one cases of amputation and resection wei-e treated in this way, and of these seventeen died. Deaths 1 2 amputations of the thigh .... 6 11 „ leg' 6 6 „ upper-arm ... I 4 „ fore-arm .... 1 3 disarticulations at the shoulder-joint . . h resections ....... 3 41 17 3 of these cases died of pyaemia. 2 ,, tetanus. 1 amputation of tlie thigh, from secondary haemorrhage after twenty-seven days. 1 „ septicajmia ? no metastatic abscesses ; 1 „ shock. 1 „ an infant of two months : could not be fed. Of the remaining eight fatal cases some were not under A. Guerin's care, and, according to Blanchard, were not well attended to. Others died of pyaemia, even after they left the hospital. In the following period there were : — 1 amputation of the thigh ..... ITealcd. 1 » Kreat toe 328 HISTORY OF ANTISEPTIC SURGERY 1 amputation of the middle and first finger . . Healed. 1 „ index 1 resection of a finger 1 „ metatarsal bone 1 wound of hand , 1 ,, index . 1 „ thumb . 1 „ extremities of middle and ring fingers (Truly a formidable series of cases to aid one in coming to a de- cision on the advantages of the method ! ) 1 compound fracture of the radius .... 1 „ hiumerus 1 „ olecranon with opening of the elbow-joint . Further statistics are given by Hervey : — 1 compound fracture near the knee. Resection, afterwards amputation, exhaustion ..... Death. 1 amputation of thigh. High tempera- ture and general unsatisfactory pro- gi-ess ; injection of quinine . . „ 1 amputation of first metatarsal bone Healed. Under M. Panas at Saint Louis : — 1 compound comminuted fracture of both bones of the leg. Gangrene, amputation, rigors . . . , 1 amputation of foi^e-ai-m for disease of wrist. Advanced phthisis; diarrhoea before opei-ation .... 1 amputation of the thigh for white swelling ; eight days later 1 amputation of crushed foot 1 „ lower third of leg for frost bite. Ulceration, necrosis, re- amputation at seat of election 1 amputation (secondary) for crushed foot 1 amputation of thigh (limb torn off') Healed. Death. Sudden death. Healed. I give these statistics here, but I shall refer to them after- 'PANSEMENT OUATE: 329 wards. Of course, in judging them, the infected state of the atmosphere must be taken into account. In this method no attempt was made to obtain primary union, but in 1875, at the discussion on this method of dress- ing at the Academy,^ M. Guerin stated that he then stitched up his wounds before applying his dressings, and that he frequently got union by first intention. He said also, that in the Hotel- Dieu he had been having good results, but he does not give any statistics which can be used. At that discussion, Pasteur and others pointed out that this was not an aseptic dressing, that bacteria and their spores were present in the cotton-wool when applied, and could be readily found in the discharge. Grosselin, who opened the discussion, mentioned similar facts, and he ended by saying that the dressing was good — (I) 'parcequ'il met a I'abri de Tinflammation suppura- tive trop intense; (2) parce qu'il satisfait a cette indication par sa grande qualite d'etre un pansement rare, qui maintient, sans interruption, I'occlusion, la protection, I'immobilite, la tempera- ture imiforme, I'insensibilite, et la satisfaction morale, toutes conditions qui, si la sante anterieure n'estpas trop mauvaise, et si rhygiene atmospherique n'est pas trop defectueuse, condui- sent a ce resultat tres simple, et cependant bien grand, la formation rapide et sans etrave d'une membrane pyogenique ou granuleuse essentielle et promptement reparatrice.' Of late Ouerin has wet the deeper layers of the wool with carbolic lotion, and indeed in some cases uses a spray, for what reason it is difficult to imagine. Verneuil ^ also speaks very highly of this dressing, and attributes its good results to the absolute immobility which is maintained, for by this means the granulation layer is pre- served intact, and thus neither bacteria nor their products can enter the blood. That it is not an aseptic method is evident from the whole description, and that it is not a very powerful antiseptic method is also evident. M. Verneuil, whose good results I have just alluded to, says of it : ' Quelle que soit I'epaisseur des couches entassees, le bandage, au bout de quelques jours, exhale un odeur desagreable. Le pus qui baigne la plaie est d'u7ie ' Bulletin, dc V AcaMnde dc Mcdccinc, 1875. '•' Am^mtutiuns, 1880. ti-P,0 HISTORY OF ANTISEPTIC SURGERY. extreme fetidite. II renferme en quantite des vibrioniens et des bacteries, dont la putridite existe dans les profondeurs du pansement ; et si les gennes du dehors sont arretes au passage, ceux du dedans sont emprisonnes et forment a la blessure una atmosphere constante. Et qu'on ne dise pas que les matieres putrides interieiues sont d'autre nature que les autres ; car il resulte des experiences inedites de ]M. Poncet ' que le pus du bandage inocule a des anvmaux a toutes les proprletes des matieres sejAiqiies.^ He alludes to the following fact of extreme interest : ' Un eleve de mon service, tres bien portant du reste, etait dans ce cas. 11 etait charge du pansement d'un malade atteint d'ecrasement des oiteils, et qui etait traite par I'ouate. Chaque fois que Veleve renouvelait le bandage, il etait pris de Tnalaise et de diarrhee presque subite, exactement comme lorsqu'il faisait la dissection ou I'autopsie d'un sujet putrefie.' M. Ollier,^ who soon saw the defects in this dressing, tried to remedy them by soaking the deeper layers of the cotton-wool in carbolic oil. He also applied a silicate bandage outside the cotton bandage. In August, 1872, M. Poncet gave the results of this modification. Of 10 patients operated on, 4 died — 2 of septicaemia, and one of hospital gangrene. In 1875, Oilier stated that he had got great benefit from this modification. He said that he had seldom seen a case of erysipelas ; indeed in one winter, when it was very prevalent, only one case dressed in this way had erysipelas, while among the wounds treated otherwise he had 22 cases. He also thinks that when pyaemia appears under this dressing, it is of a mild form. Substitution of various Oases for Air. Other attempts were made to avoid the supposed evil •effects of the gases of the air on wounds by substituting other gases for them. According to Kochard, these attempts were commenced in Clifton's laboratory while Humphry Davy was there. Perceval, then I^gexhousz, Beddoes, and John Ewart tned to utilise the analgesic properties of carbonic acid on ulcers. These attempts were renewed by Mojon in 1834, and by Simpson and Follin in 1856. • Zyo/i J/rd., 187o. 2 CovijJtcs-reiidus, Vol. LXXX. APPLICATIOX OF CARBONIC ACID GAS. 331 Two years later Demarquay and Lecunte ^ published a paper giving the results of an elaborate investigation on the effects of injecting various gases into serous cavities, or into the cellular tissue. The gases with which they experimented were air, nitrogen, hydrogen, oxygen, and carbonic acid. They came to the conclusion that none of these gases had any huiiful action when injected into the peritoneal cavity, or into the subcutaneous cellular tissue. As to their effects on subcutaneous wounds, they state that subcutaneous tenotomy wounds into which air is blown every day organise much in the same manner and after the same lapse of time as simple tenotomies. Oxygen alone, when intro- duced daily, delays matters somewhat, but it never produces the abnormal vascular conditions caused by hydrogen. Hydro- gen retards the healing for an indefinite time ; indeed healing may be incomplete even after seven and a half months. Carbonic acid favours in a high degree the cicatrisation and organisation of the wounds, and healing is complete in a much shorter space of time than if the wound were left to itself. From the result of these experiments they devised an apparatus for the purpose of keeping wounds in contact only with carbonic acid gas. In 1859 they say of the results : ' Many patients affected with gangrenous ulcers, with diphtheritic wounds or with wounds in an unhealthy state, having resisted the ordinary methods of treatment, have been treated by us during more than two years in the surgical department of the " Maison municipale de Sante," and have healed with a rapidity which was truly remarkable.' Similar experiments to those of Demarquay and Leconte were performed by JMalgaigneIu 1844 with air, and he also came to the conclusion that air does not impede the healing of woimds. At the discussion on the influence of air on wounds in 1857 ^ Velpeau denied that air as such was deleterious, and said : ' II y a longtemps que je me suis attache a demontrer qu'il agitalors, non a la maniere d'un irritant direct, rriais en ralson des decompositions chimiques qu'il provoque dans les liquides. ' Comj/frx-rendus, Vol. XLIX. 8cc also EhhuI dc PneuinatoLxjic Mi'd. Paris, isor,. - JSnllctiii dr V Acadi'-nne da Mvdcciiie. 332 HISTORY OF ANTISEPTIC SURGERY. Ge sont ces liquides, et non pas Vair, qui, alUres, denatures y deviennent irritants pour les tlssus qu'lls toucJtent.'* Open inethod. While these discussions on the influence of the air, and these attempts to exclude the air from wounds, were going on in France, a method of treatment, apparently of the very oppo- site character, was being employed in Grermany with better results. I refer to the open method of treatment. Though Von Kern and "Walther's methods were simply the use of water dressing, yet many of their wounds were left quite open. But the first to use the open method properly so called were Bartscher and Vezin. The account of their method and work is published in the ' Deutsche Klinik ' for 1856 by Dr. Vezin. Thirty years before that time (aboutl826) Dr. Bartscher asked Vezin to assist him at his first amputation of the thigh. After the operation, the dressings were applied, and the patient was left. During the night, bleeding having occurred, Vezin was called. He removed the dressing, and tried to find the bleeding point, but could not do so. He therefore concluded that the htemorrhage was due to the pressure of the dress- ing, and accordingly he did not apply a new dressing, but simply brought the edges of the wound together by means of strips of plaster. Next morning this plaster had slipped, and the wound was quite open. No further dressing was applied, and the wound healed well. They soon found that wounds healed perfectly well, if left to themselves, without any interference on the part of the surgeon ; and ultimately they laid down the following as the best method : — Insert no stitches, apply no dressing, simplj throw over the wound a piece of linen to exclude the flies, and use a cage to keep off the bed clothes. The pillow on which the stump lies is changed daily, but no attempt is made to cleanse the wound. During the first fourteen days little progress is made. The w^ound becomes covered with crusts, which crack and let the pus flow out. Healing is generally complete in eight weeks. Their cases were treated in a small hospital, each patient generally having a room to himself in the first instance. OPEN METHOD. 333 Twenty-eight cases were treated in this way, with three deaths, consisting of — 14 amputations of the thigh . . . No death. 6 „ leg . . .2 deaths. (6 and 36 days after). 4 „ upper-arm . . 1 death. (28 days). 2 „ fore-arm . . No death. 2 „ great toe, metatarsal „ The causes of death are not given. In 1859 BuROW ^ published his method, which differed from the other in that the wound was only left open for half an hour or so till all oozing had ceased. The edges of the wound were then brought together by means of stitches and plasters, and a piece of lint was laid over it to keep out the flies. The stump swells up enormously during the first few days, and Burow thought that this was a good thing. He says that healing is much quicker by this method than by any other. In 1866 ^ he gives details of ninety-four amputations performed by himself or his pupils, with only three deaths. (Two further deaths are excluded, viz., one from tetanus which was present before the operation, and the other in which the patient lost a great deal of blood, and where Burow did not himself complete the after-treatment.) These cases were :— Amputation of thigh (upper third) 9: cases (1 death). „ (lower third) 12( 3ases(2 deaths), j> leg . . . 18 77 metatarsal and tarsal bones 7 7> j> close to shoulder . 4 )) j> upper arm (vipper third) 5 >J 5> upper arm (middle) 7 J» >J „ (lower third) 7 >J >> fore-arm (upper third) 4 7> » „ (lower third) 24 J> ' Deutsche Klinilt, 1859. '■' Deutsche Kliinh. Xo. 24. 3.^4 HISTORY OF AXTISEPTIC SURGERY. In 1859 Burow discusses tlie causes of death in cases where dressings are applied. He says that the bandages prevent the swelling of the soft parts which was so very noticeable in his cases. Pluofs of blood clot of a certain size form in the veins. When the bandage is removed, the limb swells, and these plugs become too small for the veins, and may be carried away, and cause emboli and pyremia. Burow also refers to the bad practice of using unclean sponges, instruments, &c. In a later paper ^ (1876) he speaks of his great success in excision of the mamma. He had operated on 53 cases during the last ten years, without a single death. In these instances, however, he washed out the wounds immediately before stitch- ing them up with a mixture containing chiefly acetate of alumina, which we now know to be a powerful antiseptic (see p. 139). He also dressed suppurating wounds with pledgets of lint soaked in this solution and covered with gutta percha ; and he himself speaks of the powerful effect of the solution in arresting putrefaction. These cases were, therefore, not treated by the open method, but by the addition of an antiseptic substance to the discharge, in many cases, no doubt, by com- plete exclusion of bacteria, i.e., on the Listerian or aseptic principle. The chief advocate of the open method in England has been Dr. Humphrey, of Cambridge, whose great success at the Addenbrooke's hospital is well known. In a lecture on the treatment of wounds without dressings (1867),^ he says: 'What is the great requisite — the sine qua non — for the immediate imion of wounds ? Obviously, adaptation of the cut surface. Unless these are placed in apposition, they cannot easily unite. Hence the want of union is commonly })roportionate to the want of apposition of the surfaces ; and one great object in the treatment must be to secure as exact an apposition of the cut surfaces as possible, and to reduce to the minimum all sub- stances, blood, dressings, ligatures, &c., that may intervene between them, and keep them apart. In the case of small and superficial wounds, there is little difficulty about this. Some simple method answers, and they heal at once.' In large wounds, the edges are brought together by means of sutures, ' ArcMr fiir Klin. Chir. XX. ^ British Medical Journal. HEALISG BY SCABBING. 335 and afterwards no application is employed with the exception of warm water dressing or poultices (rather opposed to the antiseptic element !), which are occasionally applied after a few days. On the influence of air on wounds, he writes : ' But I am sometimes asked, is it not better to exclude the air ? Is not the air a source of mischief ? Is not the well-doing of subcutaneous wounds due in great measure to the exclusion of the air ? To this I reply that it is certainly well to exclude air from the interior of the wound, where it keeps the surfaces apart, and promotes the decomposition of the fluids, and perhaps of the solids. On the surface of the wound, however, that is on the skin, it does not act as an in-itant, and we should scarcely expect that it would. We have long been in the habit of leaving wounds of the face uncovered, and they usually heal remarkably well. Why should we not follow the same practice in other parts of the body ? ' Hiunphrey used acupressure instead of ligatures. The open method was for a time pretty generally adopted in Germany and Eussia, and to Kronlein's work on the subject I shall have to refer later. Of late, however, it has almost entirely given place to one or other mode of treatment with antiseptics. Healinrj by Scahbiixj. As we have already seen at p. 279, this is a nearer approach to aseptic treatment than the open method. As I have previously stated (p. 310), John Hlnter made extensive use of this prin- ciple in the case of small wounds. He sometimes applied various powders to aid the formation of the crust. Since Hunter's time numerous attempts have been made to carry out his principle of applying powders to aid the forma- tion of crusts, but though they have answered very well in small wounds, they have not succeeded in large. Discharges collect l)eneath them, and tension is the result. Among the substances employed in tliis way, have been various antiseptics, and of these may be menti(»ned Nkudorfkk's ' powder. He uses salicylic acid, in tlie foi-)n of a jjowder, ' Dir Chirurij'iHclu' Ik'liandhiiHf th r Wiindcn, 1877. 336 HISTORY OF ANTISEPTIC SURGERY. mixed with other substances, such as starch, zinc oxide, &c. He dusts the wound with the powder, and rubs it up with the fluids of the wound. Thus a mass is formed, which is again rubbed up with fresh powder till no more fluid comes ; then over the whole some pure salicylic acid is applied, and a bandage. This crust is left on, and if on pressure on it some fluid exudes, more powder is applied. This is generally necessary five or six times during the progress of a case. This method is really only of use in small wounds. The objections to its use in large wounds are that the pain is great, the material is expensive, and there is very apt to be confinement of discharge. Neu- dorfer states that there is no bad smell in the cases treated in this way. Among them he has had no bad case of pyasmia, hospital gangrene or tetanus. He cannot say much about erysipelas. As a rule, in the cases which were attacked, it was generally some other part of the body which was affected. Both James Moore and Astley Cooper tried to obtain crust formation by means of char-pie, and the same sort of method was employed by Syme. The latter surgeon, after bringing together the edges of the wound, covered it with a piece of dry lint, which was left on for several days. The combination of a piece of lint tuith an antiseptic was the method employed by Bennion of Oswestry. To quote Wm. Adams, who mentions this treatment in his publication in 1857,^ Bennion's method in compound fracture was — ' 1st. Immediate reduction; and in secm'ing a good apposi- tion of the fractured surfaces, he would frequently employ more force than many surgeons might think prudent, so that he very rarely had occasion to saw off any portion of bone. ' 2nd. He cleared away all the blood from the wound, con- siderino' that it interfered with the reparative process, and brought the edges of the wound into apposition. He then covered the wound with a large bit of lint, saturated with compound tincture of benzoin, and bandaged the entire limb, firstly by itself, whilst extension was being kept up by an assistant, and then to a well-fitting splint adapted to the case ; in the lower extremity he used a straight splint. ' 3rd. He put the patient at once under the influence of ' Subcutaneous Surgery, 1857. CRUST FORMATION. 337 opium, upon which he placed great, reliance, and kept up its action for a considerable time, according to the circumstances of the case. '4th. He never disturbed the first dressing or bandage, unless urgent symptoms indicated the necessity for so doing. If such symptoms did not appear, he would allow the first dressing to remain a month.' It seems that Bennion had some very re- markable successes by this method. Mr. Lister's first attempts to form a crust by means of carbolic acid have been already alluded to on p. 128. Crust formation has been aided by the drying of the dis- charges. This occun-ed in GtUYOt's cases, though he did not aim at it. It was, however, the principle in the often miscon- strued method of Bouisson,i the so-called ' ventilation of wounds.' Bouisson's method consisted in blowing air on to the surface of a wound by means of a caoutchouc bag. He generally directed the patient to do this himself. The ' ventilation ' lasted a variable length of time, according to the extent of the surface and the quantity of fluid. A quarter of an hour generally sufficed for each seance, and this was repeated four or five times a day. The first crust which formed was rarely sufficiently thick or firm, but by-and-by the crust became of sufficient thickness, and when this was obtained, the ventilation was stopped. If the crust seemed to be confining the discharge and doing harm, it was softened and removed, and the process begun again. Such was Bouisson's method of obtaining a crust, and as this method has been often quoted as shewing what a slight effect atmospheric dust exercises on a wound, it is interesting to note the advantages he claims for it. These advantages are: 1. A sedative action. Bouisson says that the pain di- minishes so much that the patients often continue the ven- tilation for a long time. 2. Astringent action, so that the vessels are constricted and there is less tendency to inflam- matory congestion. 3. Drying action, i.e. the formation of a crust. 4. This crust exercises a protective action, protecting the wound from the air, and also lessening the quantity of seca'etion. 5. Antiseptic action : from the evaporation and ' C'oi>H)tcs-rcndus, t. i7,"1858. Z 338 HISTORY OF ANTISEPTIC SURGERY. concentration of the jfluids, decomposition cannot occur. He says : ' Le contact de I'air et de ce liquide ' (the discharges from a woimd) ' sous Finfluence de la chaleur animale deter- mine la formation des produits putrides sulfhydriques ou ammoniacaux, isoles ou combines, et leur abondance contribue a faire naitre des phenomenes typhiques ou ataxiques chez ceux qui se trouvent places dans ces facheuses conditions. La ven- tilation des surfaces suppurantes a necessairement pour effet de prevenir ou d'empecher de pareils resultats, et Ton peut dire qu'a ce titre elle est autant un moyen d'hygiene generale dans les hopitaux qu'un artifice local pom- prevenir la resorption putride.' In his conclusions, in which he lays stress on the points already mentioned, he says that wounds and ulcers so treated heal sooner and with fewer accidents, either primary or second- ary, than wounds treated with dressings, or with any sort of medicament. He lays special stress on the avoidance of danger from a septic state of the pus. He recommends the use of this method in all small or medium sized wounds, ulcers, bm"ns, &c. The last mode of forming a crust which it will be necessary to mention is by catiterisaticm. This has been resorted to by various surgeons ; first, I believe, by Faire. An exhaustive paper on the subject was published in 1843 by Bonnet,^ The cauterisation may be done in various ways, either by caustics or by the actual cautery. Of caustics Bonnet finds that the Vienna paste or chloride of zinc alone are the best. The latter was extensively used by M. Canquoin and also by M. Gensoul. Bonnet remarks that after its use he has never seen decomposi- tion occur in the wound, or phlebitis and pyaemia. Bonnet preferred the actual cautery for various reasons. He attributed its good effects in the main to desiccation of the tissue, and he used the actual cautery more especially in wounds which had taken on a bad action. Irrif/aiion and the Water Bath. These are very efficient antiseptic methods, and indeed, I believe, stand next in order of efficiency to strict aseptic mea- ' See also Troitr 2>^'l>'<' fJ'' li' C(iuUnsatu>n , d\ij)rv» rcnselgxenient clmlqiir Or A. Bonnet de Lijoii. Par 11. I'ljilipeaux, J8r)6. IRRIGATION AND THE WATER BATH. 839 sures, more especially when the water used is impregnated with an antiseptic. Without entering into the older history, I may mention that Otius in 550 praises the use of cold water in recent injuries, and in some cases used more or less continuous, irrigation. Again Palatius in the sixteenth century recommends the use of continuous irrigation with cold water, and speaks of having in this way obtained excellent results. Two centmies later Smith ^ in England (1725) and Lamorier in France (1732) advocated its use. Lamorier, indeed, pre- ferred prolonged water baths to in'igation. Lombard and Percy used irrigation, and the former also employed water baths pretty extensively. It was not however till the publications of JossE and Berard on irrigation in 1835, and of Mayor on the water bath about 1836, that these methods were fully re- cognised. During the further progi'ess of this method, the various questions which have been agitated are, as we shall see, whether the irrigation or the water bath was the best ; whether these ought to be continuous or intermittent ; what the tem- perature of the water should be ; and whether or not some antiseptic substance should be added to the water. The first, as I have said, who in recent time called attention to this subject, was Josse ; his work containing his views was edited by his son in 1835.^ His reason for using irrigaticm was, that in this way a continuous and more perfect application of cold could be obtained. He used it in all the larger wounds, and in all inflammatory states. The ap])aratus which he em- ployed was essentially the same as that now in use. In the same year Berard' (junior) published, quite indepen- dently, a pa})er on the use of cold water as an antiphlogislic. He also employed irrigation in order to obtain a constant diminu- tion of temperature, which cannot be done, he thinks, by the application of cloths dipped in cold water, even though they are impregnated with substances which volatilise quickly. He ' llie C'm-iimfipx of Common Wafe); 172U. 2 Mi'lanr/tut de Cldrxmi'te prntiqne, <^'c., 1835. ^ Mvmoire tur VimpUn de I'cau froide commc atitijj/iloffi.ttiqiir dans If traitemcnt des maladieg chiriirfficakx, 18H5. 'A 2 340 HISTORY OF ANTISEPTIC SURGERY. mentions several cases which did very well. The only com- plication, which he thinks is really to be dreaded, is death of the tissues from the continuous cold ; but he says that this rarely occurs except in severe contusions. In 1838 NiVET ^ published a paper giving some of the results of this method. He mentions, among other cases, nine com- pound fractures so treated, of which seven recovered, five of these without any local or general inflammatory symptoms. He mentions various accidents which may occur, of which the fol- lowing are examples : Pain (this generally soon disappears) ; paralysis (observed in one case); oedema (combat by bandaging); phlebitis (very rare); inflammation of the parts around the fracture ; gangi'ene (generally only where the parts are much injured); anchylosis or stiffness (where the partis kept for a long time in one position). About 1834 M. Charles Mayor published his work en- titled ' De la Localisation des Bains sur les diverses parties du Corps humain.' I have been unable to obtain this work, and have had to content myself with a work published in 1846 called ' Les Bains sans Baignoires et ramenes a leur belle sim- plicite.' His wish was to provide a permanent warm bath in imitation of nature, for he says : * Is it with pledgets of charpie^ with rags spread with various ointments, with compresses and with bandages, cold and dry, that nature carries out the cure ? Nature, wise and simple nature, contents itself with calling to its aid a warm and permanent bath, which furnishes it plenti- fully with lubricating fluids, thoroughly diffused over the wound, and constantly being renewed.' He points out that this bath keeps up an equable temperature, and that nature uses it after removal of the tonsils, after operations for harelip, after tenotomy, cataract, abdominal section, &c., and it is to supply its place in external wounds that he proposes the use of the permanent warm bath. INIayor described a variety of apparatus for use in different situations. He did not jjlace the whole body in the bath, but merely the diseased or wounded part. His apparatus was so constructed as to permit the renewal of the water without removal of the apparatus. The temperature of the water was about 22°-25° C. The baths ' Gazcttr midicale de Paris, 1838. IRBIGA TION. 341 were employed for several clays, till in fact there was no fear of the occurrence of accidents. The advantages of irrigation were admitted by Nelatox, and more especially by Malgaigne,^ who thought it best to use it intermittingly, and so introduced ' intermittent inigation.' Malgaigne considered that the temperature of the water ought to be regulated by the first sensations of the patient, and that as a rule it ought to be tepid, i.e. about 20° C. Mal- gaigne's term ' intermittent irrigation ' applied, however, more to a sort of water dressing than to irrigation proper, the cloths applied to the wound being soaked in water and changed at fi-equent intervals. Although at first the use of water was greatly resorted to, it soon began to go out of fashion, chiefly, it was said, on account of the accidents to which it might give rise, and when Amussat ^ fils wrote his elaborate thesis on this subject in 1850, it was but Httle practised. In this thesis Amussat deals chiefly with the question of the temperature of the water. He and his father, after long investigation of the subject, came to the conclusion that many of the bad effects attributed to the em- ployment of water were due to its being used cold. They found that cold water from 0°-10° C, was a powerful antiphlogistic and sedative, but that it was liable to do harm. Water at 30°-35° C. relieves pain in an inflamed part and promotes suppuration : it however tends to cause congestion. Water at 18°-25° C. has all the advantages of cold water without its disadvantages : it abstracts heat, but does not cause con- gestion. They recommend the use of soft water and water containing few salts. Amussat considers that immersion is the most effectual mode of applying water; next to that comes irrigation, and, lastly, a form of water dressing which he describes in detail. Looking on imgation and the water bath simply as a means of abstracting heat, Esmarch,^ in 1860, writes very strongly in favour of cold, and he recommends iced water and even ice itself. He mentions several cases in support of his views. ' De Viri'u/ation dans les maladies cMrvry'woh's. These de concours, Paris, 1842. ■' Dc I'emphn de I'eati en chirurgie, 1850. ' Archil} fur kliii Chirurgie, 1860. 342 HISTORY OF AliTISEPTIC SURGERY. In 1872 ISAMBERT ' also writes in favour of cold irrigation, but as there is nothing new in his work, I need not refer fiu-ther to it. While this discussion as to the temperature of the water was being carried on, others were using the water bath with the view of excluding the air and avoiding putrefaction. I refer especially to the attempts of Stromeyer, Langenbeck and Valette. In spite of the writings of Mayor and Amussat, the perma- nent water bath made but little progress till it was taken up by IjANGENBECK. Since 1839 Langenbeck had made several attempts to exclude air from wounds. These attempts resem- bled those of Jules Guerin and others, previously mentioned, but they were not successful in Langenbeck's hands, owing to the confinement of the discharges. Accordingly, dming the Schleswig-Holstein war in 1849, Langenbeck commenced the use of the warm water baths with the view of excluding the air. At the same time also Stromeyer made similar experi- ments. During the next few years Langenbeck perfected his method, and at length, in September, 1855, he published an elaborate paper on the subject.^ Just before the publication of Langenbeck's paper, Picard,' who had been visiting Langenbeck's cUiiique, published an ac- count of his practice and results in the ' Gazette hebdomadaire de Medecine et de Chirurgie.' In this paper he speaks very highly of the method, showing how it relieves pain, how there is but little local inflammation or constitutional distiu-bance, how the appetite remains good, how granulations form rapidly, so as indeed at times to be exuberant, how there is no odoiu-, and how this method seems to protect the patient against the chance of pyaemia better than any other. In contrast with this, he describes, in a very graphic manner, the course of a wound treated by the ordinary methods — a course common at that time, and indeed, as I have myself seen, by no means uncom- mon at the present. He says : ' Deja, grace au chloroforme, la ' Considerations cliniqnes sttr leu ho/is effets de VirHgati4)n continue et des ajjjjlications froides renouveUes dans le traitement des fractures are jjlaie. Those, 1872. 2 Deutsche Klinik,'No. 37, 1855. ' Gazette hehdontadairc de Mrdeeine et de C/iirnrffie, lSo5. WATER BATH—LANGENBECK. 343 douleur disparait au moment decisif; I'homme vivant est insensible sous le bistomi ; ses lamentations ne viennent plus interrompre I'operateur. Mais apres avoir depasse le seuil de la salle d'operation, des que la torpeur anesthesique s'est dissipee, le patient, abattu, affaibli, voit s'ouvrir devant lui tout un avenir de souffrances. La douleur, un moment comprimee, se dechaine avec violence. Plus de repos, plus de sommeil. Les terribles secousses de la fievre inflammatoire epuisent le malade et compromettent le succes de l'opera4-ion. Les tortures quo- tidiennes du pansement viennent aggraver cet etat general. Qui n'a pas eu le coeur serre en entendant les plaintes ar- rachees par le moindi'e mouvement de la partie operee, par le tiraillement des brins de chaqjie agglutines, par la pression grossiere et inegale du bandage, sans compter I'atmosphere infecte dans laquelle le malade et ses voisins sont condamnes a vivre, les souillures des draps et des couvertures ? Enfin, la nature est derangee dans son travail reparateur ; chaque tour de bande change les conditions de la plaie, et le chirm'gien ne pent lui-meme diriger la guerison ' Langenbeck placed the wounds in the bath immediately after operation. Where possible, he stitched up the wound, leaving a space at the angle through which discharges passed, and through which the ligatures were brought out. Dming the first twenty-foiu- hours, the limb was simply suspended in a bath, and was not arranged in one of the apparatuses which are apt to constrict the part and cause bleeding. When the edges could not be brought together, charpie and a bandage were applied for the first twenty-four hours to prevent bleeding. The permanent bath was continued till granulation was complete, and till epidermic formation had commenced. The limb and granulations were apt to become oedematous, but this subsided in a few hours after the removal of the part from the bath. The apparatus was emptied night and morning, and the walls of the vessel carefully sponged with water con- taining chlorinated soda or chloride of lime. When the stump had been closed at first, the wound was daily injected along the course of the ligatures. The temperature of the water was at first 10°-12° C, but it was raised, as the patient could bear it, to 31°-37° C. The skin of the slump had a thick 344 HISTORY OF ANTISEPTIC SURGERY. layer of grease over it, to prevent the action of the water on the epidermis. Where the whole body had to be immersed, the immersion was continued for a half to one hour daily in water at the temperature of 34° C. Water dressing was employed towards the end of the case. Langenbeck gives the following as the advantages of the permanent water bath : — 1. It diminishes pain in the wound, and also does away with all painful dressings. 2. The intensity of the fever is less. 3. Stagnation and decomposition of discharges are com- pletely prevented. He says that in wounds so treated, union by first intention is rare, though not unknown. Among the cases treated in this way he had had, during a period of five or six years, no instance of pyaemia, although, as he says, some of the cases were very well suited for its occur- rence, and although pysemia was prevalent at the same time in other wards and even in cases in the same ward. He says : ' Cooling of the wound, retention and putrefaction of the dis- charge, and miasmatic influences (hospital air) are the causes of pysemia. These noxious agents can be completely excluded by the careful employment of a water bath.' He also believes in the spontaneous occurrence of pysemia, through constitu- tional and blood defects, and he does not think that these rare cases would be prevented. Then, also, decomposition of the discharges in a complicated wound is quite possible, even in a water bath, and might lead to pyaemia. He mentions several (7) cases to show the good results. It is interesting to note that one of these — the only fatal case — was one in which, during the removal of a tumour, the knee-joint was opened. Violent inflammation and suppuration of the joint followed and the patient died on the twenty-first day. Langenbeck's paper was followed a month later by one by Dr. FocK.^ He confirmed Langenbeck's good results, compar- ing together cases of Pirogoff's amputations treated by the warm bath, with others treated by the ordinary methods, much to the advantage of the former. He mentions also that Dr. > BenUchc Klinik, Oct. 1855. WATER BATH—VALETTE. .'345 Wagner of Dantzic, who had adopted it, reported that formerly i:)ygemia was very prevalent in that hospital, but that since the introduction of the warm water bath it had almost entirely disappeared. In a paper in 1856, Picard' mentions that Gosselin and I^AUGIER had adopted this method, and Fock also refers to Ulrich. In October 1856, Zeis of Dresden published a note entitled ' Beitrag zur Wiirdigung des permanenten warmen Wasser- bades," ^ in which he advocates the use of a still higher tempera- ture than that recommended by Langenbeck. Zeis finds that a permanent bath below the body temperature is seldom endured by the patient. The best temperature is 37°-42° C. For am- putations 35°-37° C. may be sufficient. It is unnecessary for me to pursue the history of Langen- beck's method further. It is the one generally adopted where immersion is employed, and for some time it was very exten- sively used in Grermany. It has of late gone out of use, not because its results are not good, but because it is difficult and inconvenient of application, and because it can now be replaced by more effectual and simpler methods. Before leaving this subject, however, I must do justice to a method in which the antiseptic element was more fully recog- nised, and in some respects better carried out, but which has, very strangely, not attained any prominence, probably because the name of its author was eclipsed by the better known name of Langenbeck. I refer to the method proposed, and, while he had opportunity, carried out by Valette of Lyons.^ Valette's view was the following : ' The safety of sub- cutaneous wounds sufficiently demonstrates that the presence of the air in the wounds is the primary cause of their bad course.' * How does the air act ? This is a delicate question, but the following is the explanation which appears to me to be the fairest. As soon as the operation is finished the blood and the liquids which collect on the surface of the wound, decompose under the influence of the contact of the air. Sulphuretted hydrogen ' Gazcite helxhimadairr, 1850. ^ DeuUrhr KliiriX October, ISoG. " Sur vne twiirelle mvthode de panacment des grandes jjlait's {wvt/iode anaf.roplast'ique), Gazette hehdumadaire, 1856. 346 HISTORY OF ANTISEPTIC SURGERY, and putrid gases, if you will pardon this expression, are formed and absorbed in part, and exercise a deleterious influence on the body. In a word, there is a true poisoning of the patient, which the constitution often withstands, though not always, especially when the patient is placed in unfavoui'able hygienic conditions, as is the case in the wards of our hospitals. In these cases the phenomena of cicatrisation do not proceed in a favom-able manner, suppurative phlebitis occurs, and pus passes into the circulation ; purulent absorption is an accomplished fact, and death is, one may say, an almost inevitable conse- quence.' To avoid these dangers Valette immersed the wounded part in baths containing water impregnated with tincture of benzine, creosote, alcohol, or perchloride of iron. The last gave the best results. There was no putrefaction of this fluid, and he seems to have had great success. He was especially struck with the absence of traumatic fever. PuPiER,' who wrote his thesis in 1855 on Valette's method, mentions a number of cases which did well, and states that, in order to prevent the water from getting too warm, it was in one case changed as often as thrice daily. Valette had only a limited opportunity for caiTying out his experiments, for after a short time he was placed in charge of a children's ward, where he could no longer practise this method. ' U'un traiUvient conseoutif ijjecial des amimtatiom. TMse, 1855. USE OF ANTISEPTICS. 347 CHAPTER XVI. HISTORY OF ANTISEPTIC SURGERY — (concluded). Use of antiseptics : Alcohol — older writers — Nelaton — Hutchinson : Glycerine — Demarquay : Chlorine : Chloride of zinc : Iodine : Iodoform : Chlorate of Potash : Perchloride of iron,&;c. : Coal tar — Corneand Demeaux — Report of the commission : Coal tar saponine — Lemaire — his views on putrefac- tion : Carbolic acid — Lemaire — Lemaire"s position in regard to aseptic surgery — Lister : Further phases in the history of this subject : Objections to Mr. Lister's claim as originator of the aseptic method — Simpson — Neudorfer. Modifications of the method. Substitutes for carbolic acid. Objections to the aseptic method. The last point to which we have to refer is the use of antiseptics. As we have already seen, various antiseptics have been in use for many centturies as applications to wounds, and some surgeons indeed have ascribed the good results, derived from their use, in the main to their anti-putrescent properties. In spite, however, of the attempts of surgeons at different times to draw attention to these properties, it was not till the publi- cation of Come and Demeaux's method in 1859 that general interest in the subject was aroused. Among the substances formerly employed, alcohol was pro- bably the one in most extensive use, and after the subject of antiseptics came to the front, it was freely employed in some quarters. As I have just said, alcohol was formerly used in great quantities, but then it was generally combined with other substances, though it probably was really the active basis of the compounds so prepared. Thus the balsam of Fioraventi — a celebrated appHcation to wounds — consisted of turi)entine, myrrh, aloes, a large quantity of alcohol, and several unim- portant substances. Many of the various lotions which have been most popular at different times had a similar constitu- tion. 348 HISTORY OF ANTISEPTIC STTUGERY. Bataill]^ ' published a little pamphlet in 1859 advocating the use of alcohol, but it was most extensively adopted by Nelaton in 1863, and also by Le Fort. Chedevergne^ in 1864 published a detailed account of Nekton's practice with the results which he had obtained. Nelaton's method was to soak chm'pie with camphorated alcohol, and apply it over the wounds in thick layers. These were either kept wet by frequent arrosion, or were covered with an overlapping layer of impermeable tissue, or in some cases the dressing was changed twice daily. Patients treated in this way remain in good health, the edges of the wounds adhere, no granulations are formed, but the wound becomes covered with a layer of lymph under which cicatrisation rapidly occurs. This is the rule, though not an absolutely constant one. In open wounds the granulations can scarcely be seen. There is an abundance of coagulable lymph, almost no appreciable suppuration, and no bad smell. In some cases the charpie becomes embedded in the coagulated albumen, and the whole dries up and forms a crust. Chedevergne says that, for more than a year, operation wounds, and injuries, had been treated with camphorated alcohol, or with pure spirits of wine, and that during that time pysemia and other infective diseases had been almost entirely absent. Of forty-eight patients who had undergone severe operations, only three died ; one of tuberculosis, one of hypo- static pneumonia, and one of pysemia. RocHARD ^ gives later statistics, in which he shows that there were only two cases of pysemia, and five of erysipelas. Good success in the Hopital des Cliniques ! On a pre\dous page (p. 269) I have referred to Mr. Hutch- inson's method of using alcohol. He mixes it with acetate of lead somewhat after the manner of Astley Cooper. Glycerine was used pretty extensively in England after 1 840, but was introduced in the treatment of wounds mainly by I)p:marquay in 1855.* He first employed it in cases of hos- ' iJe Valcool et dcs covqjoscx alcooUqvcs en Chirvrgic. Par JIM. Bataill6 et Juillet, 1859. ^ Bulletin general de Therapentiqve, vol. Ixvii. 1864. ' Loc.cit. * Gazette des ffdj^itaiix, October, 1S55.' USE OF ANTISEPTICS. 349 pital gangrene, and he found that they rapidly began to im- prove under its use. He then extended the treatment to ordinary wounds. He claimed all sorts of advantages for it. In 1859, more especially, he stated that it was a specific against erysipelas, pyaemia, hospital gangrene, &c. He thought that it was the best antiseptic substance, and indeed a universal panacea. Since that time it has, however, been extensively tried and found wanting, and has, as Rochard says, for a long time been justly relegated to the modest place in therapeutics which nature had assigned to it. Ghlo7%ne and its compounds have been used as disinfec- tants ever since its discovery in 1774. Guyton, in 1795, re- commended its use in hospitals by fumigation, in order to destroy miasms. The Liquor de Labaraque, which attained considerable notoriety as a disinfectant, consisted mainly of chlorinated soda. In more recent times the chlorine com- pounds, more especially chlorinated soda and chloride of lime, have been employed in the treatment of wounds, the wounds being washed or syringed out with the solution, and dress- ings applied which were frequently moistened with the same. Hervieux applied a sponge soaked in the solution to the wound, and this, according to him, not only disinfected the discharge, but also absorbed it. M. Gueesant also used it largely. Chalvet ' recommends the introduction of chloride of lime into the superficial layer of the charpie. Chlorine is given off from this, and prevents the decomposition of the discharges. We have already mentioned chloride of zinc, which, as we have seen, was extensively employed as a caustic by Canquoix and Gensoul. Bonnet also used it, and remarked on the absence of putridity in the wounds made by it. In more recent years Campbell de Morgan has again used it as a caustic, and also made the same remark as to its antiputrescent powers. It thus came to be employed as a lotion in the treatment of wounds, but it has never become extensively used. The chief use to which it is put nowadays is by Mr. Lister in disinfecting foul ulcers or sinuses (see pp. 65 and IIG). ' Bes drxiitfrctants et de Iciir applicatwii, a la Tlivrapcutiqiie ct a I'llijtjihie. Mciiioire do V Academic ivijjcriulc dc Mcdecinc, vol. xxvi. 1863. 350 HISTORY OF AXTISEPTIC SURGERY. ' Velpeau in 1859 stated that Iodine had been in use as a topical application for over thirty years. On the contrary, DuKOY asserted that it was only as a consequence of a com- munication made by hira in 185-1 that iodine was first em- ployed in wounds. Iodine has at times been used in the prac- tice of various surgeons. Thus Mr. Spence of Edinburgh at one time painted the surface of stumps with iodine, and thought that he got good results from it ; however, he soon took to painting stumps with other things, and the iodine fell into disuse. The only preparation of iodine which is now employed in the treatment of wounds is Iodoform, which is of great use in chancres or foul ulcers. I have already referred to the method in which it is applied in the latter cases (pp. 65 and 94). Various metallic salts have been from time to time intro- duced, such as Chlorate of Potash by Milton. This acts very well in ulcers in the mouth, but is not of any very gi'eat value. Perchloride of iron was employed as a disinfectant by Deleau, and I have already referred to the use which Valette made of it (p. 346). Nitrate of lead, subnitrate of bismuth and other powders have also been spoken of at various times. During the middle of the present centmy there had been constant efforts made in various directions to diminish the great mortality in French, more especially in Parisian, hospitals by means of some method of wound treatment. We have seen how at first it was chiefly the action of the air on the wound which was guarded against, but in 1859 it had come to be fully recognised that the chief thing which was required was to prevent decomposition of the discharges. It is therefore not a matter of suqwise that when Corne and Demeaux in that year brought forward a powder which they believed to be capable of attaining this object, attention was at once directed to the subject, and not only did debates occur in the scientific societies, but experiments were also made in the various hospi- tals with this and other antiseptic substances. Already in 1815 the antiseptic and disinfectant properties of coal tar had been recognised by Chaumette, and Guibouit (1833) and Siret (1837) also wrote on the subject. In 1846 ANTISEPTICS— CORNE AND DEMEAUX' POWDER. 351 Bayard introduced an excellent disinfectant, of which the chief ingredient was coal tar. In 1858, M. CoRXE took out a patent for a powder which he had for some time employed as a disinfectant, and in the same year Demeaux ' used this powder in the treatment of wounds. The powder employed by Come and Demeaux "^ had the following composition : of ordinary plaster of commerce in very fine powder, 100 parts ; of coal tar (obtained from dis- tillation of coal in the manufacture of gas), 1 to 3 parts. These substances were readily mixed together in a mortar, and then olive oil was added till they acquired the consistence of paste. This paste was applied to wounds, more especially to foul wounds, and it was found that it disinfected (deodorised?) the discharges at once, and that it also absorbed them. They stated that, ' the action of this disinfectant substance seems to arrest the work of decomposition ; it keeps away the flies, and prevents with certainty the production of worms.' Their ex- periments were made jjartly in private practice, and partly in Velpeau's wards. Velpeau observed that in the cases treated in this way suppuration was also diminished. In the discussion which ensued at the following meetings of the Academy, various opinions were expressed as to the use of antiseptics in general, and as to the action of this particular powder.' M. Chevreul found that the coal tar powder did not destroy the odour, but rather cloaked it, while, on the other hand, hypochlorite of lime in large quantities made it disapj)ear. He thought however that the coal tar powder would act in preventing putrefaction. M. BusSY called attention to the fact that other disinfectants were in constant use, and were also employed to prevent putrefaction. Such were carbon, chloride of lime, soda or potash, creosote, &c. 31. Kenault stated that as long ago as 1840 he had published a memoir on disinfection of wounds ; for at that time he had come to the conclusion that the putrefaction of blood and discliarges, and the contact of these putrid materials with the wound, were the cause of the bad after-conseqilences. He had found that hypochlorite of lime was the best, though in some cases the ' L'ninn mt'dieale, I8(i0. - BitUetin dc I'Aradi'mie dc Mcdecine,\^o^. ' Jhid. : see also Gazette mcdicale de I'aris, 18GU. 35 J HISTORY OF ANTISEPTIC SURGERV. disengaged chlorine irritated the lungs. Hence he welcomed the coal tar powder, but he stated that vegetable tar acted as well and had a less disagreeable odour. Calvert had previously shown that carbolic acid, which was present in coal tar, was a powerful disinfectant, and, at a later meeting of the Academy, he stated that it had been used in Manchester in 1857, in the preservation of dead bodies, with success. Dumas had stated, at a jirevious meeting, that carbolic acid was present in coal tar in small quantities and that the least trace of carbolate of soda was sufficient to preserve animal matters. After the reading of Corne and Demeaux' paper and the subsequent discussion in the Academy, a commission was ap- pointed by the Academy to enquire into the matter. This com- mission consisted of Chevreul, J. Cloquet and Velpeau. As the result of their investigations, they concluded that this powder was most useful for disinfecting substances, but that it was not a convenient application to wounds, that its odour was disagreeable, that it had often to be renewed and that it soiled the linen. Lemaire also adds that it solidifies and pre- vents the escape of pus. The commission tried various other substances which had been mentioned, such as glycerine, sugar, chlorate of potash, &c., but found that they were not much better than ordinary cerates. Tincture of iodine was found to act fairly well, but to cause too much pain ; chlorine and the hypochlorites were good. Sub-nitrate of bismuth or perchloride of iron used in the form of an ointment (8 grains of the liquor to 30 grains of lard), were excellent applications. Corne and Demeaux' powder soon disappeared from the list of remedies, but nevertheless attention was attracted by it to the subject of antiseptic applications to wounds. Among those who spoke at the debates was Le Bceuf, who in 1850 had found that substances insoluble in water, but soluble in alcohol, could be made into an emulsion by the addition of saponine. Such emulsions were very fine and very stable. Le Ba>uf proposed that coal tar should be emulsionised by the aid of this tincture of saponine. Jules Lemaire at once took advantage of Le B«uf s sug- gestion, and in 1860 he published a paper on ' Coal tar sapo- LEMAIRE—COAL TAR SAPOXINE. 353 nine.*' The tincture of saponine, to which reference has ju.st iDeen made, is an alcoholic extract of the bark of Quillai/a saponaria and contains other substances besides saponine. A tincture of ' coal tar saponine ' was made by mixing together 1 part of coal tar with from 2 to 4 parts of tincture of saponine. With this an emulsion was made by mixing 1 part of the tincture with 4 parts of water. This emulsion retained all the properties of coal tar, and is the substance which was used by Lemaire. Lemaire investigated the "activity of its various constituents, and found that it contained saponine which acts as an antiseptic; alcohol, nlso an antiseptic ; carbolic acid, a powerful antiseptic, but apt to cauterise the tissues ; benzine, which is an irritant ; naphthaline, which is a sedative, and, in Lemaire's opinion, ' modifies and tempers the action of the other substances.' Lemaire applied this emulsion very extensively in the treatment of a variety of diseases, and also to putrid wounds and ulcers. The results of its use in the latter cases wer^ — 1. Disinfection of the wound; 2. The wound assumes a rosy aspect ; 3. The sloughs become detached with greater facility than usual ; 4. It only exceptionally causes pain. Lemaire also states that it acts powerfully in reducing the quantity of pus secreted. This emulsion was applied in the same manner as other lotions. The wound was washed with it, and then dressed with charpie soaked in the emulsion. I cannot find any case illustrating its use from the time of operation. There is no sort of system described, and I^emaire seems to have used it merely as a disinfectant and as a good apj)]i('ation to wounds. Li fact he treated tlie wound with antiseptics, but not aseptically. Numerous letters from various surgeons are published in Lemaire's book shewing tliat smell was destroyed at the time of the application, but that in some cases the dis- charge became foul before a fresh application was made. His views on the germ theory of putrefaction are of the greatest interest, as he was undoubtedly the first who, recognis- ing that theory, applied it to practice. He says, ' the wound which suppurates, as I hope to demonstrate presently, is a secreting surface, the products of which become altered under ' Do coal tar saponine, 186f^. A A 854 HISTORY OF ANTISErVIC SURGERY. the influence of air and give birth to a series of phenomena due to one and the same cause, fermentation.' He believed that pus at the commencement is sim})ly serum of the blood con- taining fibrin, that fermentation occurs in this from contact with the air and that pus corpuscles correspond in their nature to yeast cells and are the result of this fermentation. Novs^ coal tar sapouine at once arrests this fermentation and consequently this formation of pus cells. I have already referred to Le- maire's experiments on putrefaction and other fermentations (p. 218). He concludes that the two principal properties of coal tar saponine are disinfection and arrest of fermentations. ' A third important property which seems to me to be the cause of the arrest of the fermentations, is the toxic action which it exercises on vegetables and on the lower animals.' It favours healing by disinfecting the wounds and arresting the fermentation of pus. He concludes that the germ theory of fermentations is true, and that coal tar arrests and prevents fermentation by its toxic effect on the lower organisms which cause them. He says again: 'These facts make me think, that it is on account of its toxic properties on vegetables and on the lower animals that coal tar can prevent or arrest fermen- tations. The opinion of Schwann and of several other physio- logists, a view which in the present day has received great support from M. Pasteur, ap])ears to me to be true.' . . . ' As the ferments appear to be the infusoria and the microscopic vegetable organisms which exist in abundance in the atmo- sphere, and as the " coal tar saponine " destroys them, let not physicians forget this precious property. Perhaps it may ■penn'd them to make imjpoi'tmit discoveries, mid to render a great service to hum^anity.^ ' While Lemaire was using this coal tar saponine he was also experimenting with carbolic acid. He found that carbolic acid could form a 5 per cent, solution in water, -itl „ 1877 „ asefitic cases .... 3-G8 „ „ „ non-aseptic cases . 5-13 „ 1878 „ aseptic cases .... 203 „ )j „ non-aseptic cases . 396 ,, As is remarked in a leader in the ' British Medical Journal ' on this subject : ' The result, therefore, proves that, under antiseptic treatment, the mortality was, under apparently strictly comparable circumstances, much smaller than under the ordinary mode. . . . This is a case very much to the point, and will meet some of the conditions of comparative statistics rightly insisted on by IMr. Holmes.' Some correspondence followed between Dr. Cameron, Dr. Morton, and JNIr. ]MacEwen, after the publication of these results, but the further informa- tion elicited did not in any way alter the significance of the facts. I will now pass on to Mr. Lister's results in the Edinburgh Infirmary. These have been already published in his speech at the meeting of the metropolitan branch of the British ]\redical Association at St. Thomas's Hospital in December, 1879 ; ' and some further facts were given by Mr. Lister in his reply, in February 1 880, to Mr. Spence's attack.^ I shall not, therefore, enter at great length into these general statistics, more espe- ' Sec JMacCormacs Avti-icjitir Siirfierif. ■ BrHuh Mrdiriil Journal, 1880. 37:? liESULTS OF ANTISEPTIC SURGERY oially as I intend presently to allude to some of the facts in detail. From the end of 1871 to the middle of 1877 — a period of about five and a half years — Mr. Lister treated 553 eases aseptically. Of these 2, or '36 per cent., died of blood poison- ing. During the same period, Mr. Lister treated 292 cases in other ways, some with antiseptics, some without, and of these 4, or 1*36 p. c, died of blood poisoning. Now this alone is a very striking statistical fact, as it shows that the same surgeon, in the same wards, during the same time, lost four times as many patients from blood poisoning in cases not treated aseptically as in those which were treated on strict aseptic princij)les. And when we look at the nature of the cases in each instance, this difference will become much more apparent. Of the 553 cases treated aseptically, 29 died. Among these were 80 major amputations, of which 9 died — 6 from shock within a few hours, 1 from diphtheria in the throat nine weeks after operation, when the wound was almost enthely healed ; 1 from cerebral hsemorrhage three months after the operation ; and 1 from hsemorrhage into the thigh from a malignant tumour of the femur thi-ee days after amputation at the shoulder-joint — the amputation wound was doing well. The following is a complete table of M r. Lister's amputations : — For disease Primary and secondary to injury Total Cases Deaths Cases Deatlis Cases Deaths Hip . 1 1* 2 2# 3 3 Thigh 3 2* 26 If 29 3 Leg . 3 5 8 Ankle 2 16 n 18 1 Shoulder 4 1* ] ^ 5 2 Upper-arm 3 6 9 Forearm — — 8 8 Total 16 4 64 5 80 9 * Died in a few hours from shock ; f died from diphtheria ; % from cere- bral luvmoiThage ; § from hemorrhage into the thigh. There were akso 21 excisioDS of the larger joints performed asep- MR. LISTERS RESULTS IN EDINBURGH. 373 tically without a death (7 of knee, 2 of shoulder, 10 of elbow, 2 of wrist). Thirty-seven excisions of the mamma were perfoi^med aseptically with two deaths, both from infective disease. One of the deaths was from septicaemia occurring after the removal of a very large portion of skin and of the whole contents of the axilla. Everything went on perfectly till the tenth day, when a mistake was committed in the dressing ; putrefaction occurred, and septicfemia commenced. On post-mortem examination no abscesses or infarcts or other marked appearances wei-e found. The other patient died of erysipelas. Among these 37 cases there were 24 in which not only the mamma, but also the fat and glands from the axilla were removed. There were 27 operations for un-united, or badly united, fractures without a death. These consisted of 8 operations on the femur, 9 on the bones of the leg, 4 on the humerus, 5 on the bones of the fore- arm, and 1 on the clavicle (removal of a projecting splinter of bone in a case of simple fracture, thus converting the case into one of compound fracture). There were 14 operations on healthy joints, in which the joints were opened and kept open for some days by means of a drainage tube. No death. In 11 cases incisions were made into diseased joints in which suppuration had not yet occurred. No death. These were cases of gelatinous disease. There were 39 cases in which abscesses of joints were opened and a drainage tube inserted, none of the diseased parts {bone, synovial membrane, &c.), being removed. Of these, 2 died, both from tuber- cular meningitis confirmed on post-mortem examination. An incision was made and a drainage tube inserted in 2 cases of synovitis of the knee-joint. No death. There were 4 cases in which operations were performed to relieve old standing dislocations. In some of these the bones were simply replaced. In one case it was necessary to remove portions of the bone before the surfiices of the joint couhl be brought into apposition. No death. In 3 cases the femur was divided for knock -knee. No death. In 7 cases of ostitis a groove was dug in the bone by a gouge and hammer. No death. There were 7 cases of ligature of the large arteries in their con- tinuity, with 1 death. The fatal case is not entered in the note-books, but I remember its occurrence. During attempts to I'educe a disloca- tion of the shoulder-joint of seven weeks' standing, the axillary artery ;]74 llESULTS OF ANTISEPTIC SURGERY. was toi'ii and haemorrhage occurred into the axilla. Mr. Lister at once cut down and ligatured the artery, but the patient died the same night from exhaustion, owing to the loss of a large quantity of blood. There were 2 cases of excision of the thyroid gland. No death. There were 4 cases of excision of the testicle. No death. There were 9 cases of strangulated hernia, with 3 deaths. The gut was gangrenous in all the fatal cases. There were 30 cases of abscess (psoas or lumbar) connected with disease of the spine. Of these 4 died — 2 from phthisis, 1 from ex- haustion, and in one case the lumbar abscess was almost absolutely healed when a little glandular abscess formed in the neck. This was opened without aseptic precautions, and the wound was attacked with erysipelas, of which the patient died. Though this was an aseptic case, yet the erysipelas did not attack a wound treated aseptically, and therefore the death from infective disease is in- cluded among the cases not treated aseptically, and not among the aseptic ones. There were 9 1 cases of acute or chronic abscesses. These included a great variety of abscesses, but they were all more or less extensive. There were 2 deaths ; one death occurred in a case of peri-renal abscess. The patient was in a very low state when operated on, had diarrhoea, &c., and he sank in ten days. On post-mortem examination the typical scrofulous kidney was found. The other death occui-red in a case of abscess in the right lumbar region, but in which there was no disease of the spine. The abscess was opened on May 20, 1873, and went on veiy well till July. There was then only a small sinus, and the patient was })ermitted to get up. During autumn the discharge was allowed to putrefy, and it afterwards increased rapidly in amount and became purulent. For some days before her death, on November 15th, the patient had very severe pain in the right iliac region and the right limb, and following this the leg and foot became gangrenous (phlebitis ?). There were five cases of empyema. No death. There were eight cases of chronic bursitis, in which incisions were made and drainage tubes inserted. No bad result. There were twelve cases of removal of exostoses without a death. There were forty cases of removal of large tumoui-s from various regions. No death. (There were also a number of cases in which smalUsh tumours, fatty or otherwise, were removed. These are not included among the forty.) There were three cases of suprapubic lithotomy, with two deaths. In one fatal case, an adult male, the peritoneum was intentionally oj^ened below the umbilicus, the bladder incised through its peritoneal coat. MR. LISTERS RESULTS IN EDINBURGH. ;37o and the stone extracted. The wonnd in the bladder was then stitched up, as was also the wound in the' abdominal wall. The patient was doing well till the second morning (about forty hours) after the opera- tion, when he got out of bed, or was made to get up. As a result of this exertion the intestines protruded between the stitches. Tbey were returned as soon as the accident was discovered, but the patient died of shock on the same day. In the other fatal case^ a little boy, the peritoneum was also opened, but the stone was not removed. The child cried incessantly after the operation, and in spite of the close stitching of the wound in the abdominal wall, the intestines escaped between the stitches. The patient died on the following day from shock. There were three cases of spina bifida, into which minute drains, in two cases horse-hair (two or three threads), and in one a drainage tube, were introduced. The patients apparently died as the result of the con- stant draining away of the cerebro-spinal fluid, although as soon as bad symptoms were evident, the drains wei-e withdrawn. In two cases no macroscopical appearances were found to account for death. (I do not know what the microscopical appearances of the cord may have been.) In one case the sac was congested, and contained a little turbid tiuid, but there was no violent inflammation, and the little which was pre- sent did not apparently spread up the canal. In fact, the appearances found could not explain the fatal result in any of the cases, and there- fore it is possible that the disturbance due to the constant draining away of the cerebro-spinal fluid had something to do with death. The first two cases died in two and nine days respectively. The last died in five days. One case of chronic hydrocephalus was treated in this way (by drainage) and died in six days. There was no trace whatever of in- flammation. The ventricles were extremely distended, containing forty-two ounces of clear cerebro-spinal fluid. Apparently the fatal result was due to the same cause as in the former instances, viz., the disturbance consequent on the constant draining away of the cerebro- spinal fluid. These are the most impoii:ant of the 553 eases. (Although there were only two deaths from infective disease after aseptic operations, and although that fact was all that was necessary for our present purpose, I have thought it well to mention all the causes of death, and to indicate the sort of cases treated.) The 292 cases not treated aseptically contained a very much larger proportion of trivial operations, such as removal of y70 ItESULTS OF ANTISEPTIC SURQEIiY. necrosed bone, Hstula in ano, ha'morrhoids, &c. There were ten deaths, of which two were from pygemia, one from septic- aemia, one from erysipelas, and six from exhaustion (?). The cases of pyaemia occun'ed, one after a plastic operation on the nose, and one after amputation of the penis. The case of septicemia occurred after excision of the tongue. The case of erysipelas occurred after the opening of a small abscess in the neck without aseptic pre- cautions; this case is mentioned among the psoas abscesses (p. 373). Onecaseof excision of the hip-joint (a^t. seventeen) died twenty- nine days aftei' the operation, apparently of exhaustion from the profuse discharge. One case of excision of the mamma (set. sixty-three), where putrid sinuses were present before the opei'ation, died in three days of exhaustion. ( May not the fatal result in this case have been due to saprsemia ?) One case of excision of the upper jaw (set. sixty-three), died twenty- three days later, apparently of exhaustion ; there were no marked symptoms during life, and no post-mortem appearances ; there were haemorrhages on various occasions after the operation. One case of excision of the tongue (set. seventy-five) died in ten days without any special symptoms, apparently of exhaustion; no morbid appearances were found on post-mortem examination. One case in which the floor of the mouth was removed for malignant disease (an old woman) died apparently of exhaustion. One case of old standing, necrosis of the ilium (ajt. twenty), died twenty-three days after an attempt to remove the dead bone. He is also said to have died of exhaustion, but there is no record of the post-mortem examination, and he had coffee-ground vomit- ing during the forty-eight hours preceding death. (Several of these cases of exhaustion were probably cases of sapraamia or septicaemia.) If we compare the causes of death in the two instances and the nature of the operations, the case in favour of the asej)tic method becomes much stronger than if we simply compare the deaths from infective disease. lu the septic cases the patients either died of septic disease or of exhaustion, the result of pro- fuse suppuration, again the result of putrefaction. If we con- sider the aseptic cases, on the other hand, we get a very different result. Thus, among the deaths after amputation there was not a single case where any method of treatment applied to the wound could possibly have saved the patient. The two deaths from tubercular meningitis, the three cases of hernia in which the gut was gangrenous, and the two cases of phthisis were all independent of the tieafment of the wound. ItESULTS OF TllEATMEXr WITH ANTISEPTICS. ;J77 The case of peri-renal abscess was also hopeless, and so also, possibly, the case of abscess in the loin where gangrene of the foot occurred. In the case of exhaustion after psoas abscess the disease was extremely extensive. But suppose we include this case, the two cases of infective disease, the three cases of spina bifida, the case of hydrocephalus, and the two cases of suprapubic lithotomy, we have only nine instances of what we may term preventible deaths. In the last six cases, however, it was rather to the direct surgical interference than to any- thing in the after-progress of the wound, looked at from our present point of view, that the deaths must be attributed ; and here, of course, we are not considering the former point. Leaving then out of view the question of the surgical inter- ference, there are only three cases among these, which can be considered in connection with the method of wound treatment alone. Indeed, I doubt very much if it is fair to include the case of exhaustion after psoas abscess, for the disease was of such a natmre, so very extensive, as to render it doubtful whether recovery was possible under any circumstances.' On the other hand, among the fatal septic cases, there were none independent of the after-progress of the operation wound, unless indeed we exclude the case of necrosis of the ilium in which probably waxy degeneration of the internal organs had occurred extensively before the operation. This leaves 9 out of 292 septic cases, of which a large proportion were trivial operations in which death occurred on account of the course which the wound followed, while in the former instance, in the 553 aseptic cases, a very small proportion of which were trivial operations, there were only, at the most, three such in- stances. During this same period there were treated aseptically in hospital seventy-two cases of injury (wounds, compound fractures, and wounds of joints), of which four died. Three of these deaths occurred in cases of compound fracture treated conservatively, and in all death took place within 48 hours. The other death occurred in a case in which the attempt to eradicate putrefaction was unsuccessful, and where the patient is said to have died of bronchitis and caidiac disease. ' fciee the list of psoas abscesses, No. 21, Ciiapler XX. 378 ItESULTS OF AXTISEPTIC SURGERY. Here again, there is only one ease of possibly preventible death, and that in a septic ease. Among those which were rendered aseptic no death occiuTed which was preventible by any known method of wound treatment. We have fortunately the opportunity of comparing these results with those obtained by another surgeon — ]Mr. Spence — in the same hospital during the same time, by the use of methods of treatment which were not aseptic but which consisted sometimes in the application of water dressing, sometimes of boracic lint, and in some cases no dressing was used. I cannot give a name to the method of treatment. It was a mixture of principles, in fact a sort of mongrel method. There were certain differences in the hygienic conditions which will be presently alluded to, but these were all more favourable to ]\ir. Spence. Mr. Sj)ence's report extends from October 1872 to April 1878 with the exception of the winter session 1874-75.' I regret that I cannot find any report for this session, as dming it there was a virulent epidemic of erysipelas in Edinburgh, and it would have been interesting to know how Mr. Spence's cases progressed during that time. Taking, however, the period so far as it is given, but always remembering that a very testing winter included in Mr. Lister's results is not present here, we find that dming this time 328 more or less severe operations were performed with fifty-eight deaths, and that three cases of compound fracture were treated con-^ servatively with one death. What proportion of these deaths were due to infective disease, we shall, I suppose, never know. In sixteen out of the fifty-eight cases the cause of death is not stated at all ; five died within thirty hours, and may therefore be left out of consideration ; while in eight the fatal result is directly assigned to septic poisoning. In twenty-nine of the cases no distinct causes of death are given, though such state- ments as the existence of irritative fever, unhealthy action in the wound, uncontrollable oozing of blood, &c., lead us to sus- pect that infective disease was also at work in these instances. These results form a marked contrast to Mr. Lister's. ' See 3Icdical Times and Gazette, March 13, 1875 ; the same journal for October 28, 1876 ; and the November and December numbers of the Edinburgh Medical Juurnaliov 1879. 3fR. SPUNCE^'S RESULTS. 37U Here we have a percentage mortality of nearly eighteen p.c. as compared with Mr. Lister's percentage mortality in aseptic cases of nearly five p.c. i.e. a mortality in septic cases 3'7 times greater than in aseptic ones. And further the cases of death which are distinctly stated by Mr. Spence as having been due to septic diseases were eight in number or 2*4 p.c, that is to say, eight times more than the mortality from similar causes in Mr. Lister's aseptic practice. And, as I have just indicated, the mortality from these causes in Mr. Spence's practice was probably very much greater ; and this difference is not due to greater severity of the operations in INIr. Spence's j)i'actice, as we shall see from the following statement of the nature of his cases. During this pei'iod Mr. Spence performed 97 amputations, of which 25, or 25-7 per cent., died. (Compare this with Mr. Lister's mortality of 11 "25 per cent, after amputations performed on aseptic principles.) The following table gives Mr. Spence's results in major amputa- tions : — Secoudary to Prill ary iiijury and for disease Total Cases Deaths CaKBs Deatlis Cases Deaths Hip. .... 3 1 3 1 Thigh . 5 .3 26 G 31 i» Knee-joint 1 1 Leg. 4 9 2 13 2 Ankle 1 24 2 2.5 2 Shoulder . 1 1 3 1 4 2 Arm 2 1 7 2 9 3 Fore-arm . 2 2 2 2 4 4 Tot al IG 7 74 If. 00 23 From this table I have excluded 6 partial amputations of the foot, with 2 deaths, and 1 partial amputation of the hand. These are included by Mr. Spence among his major amputations, but I have already excluded such operations from Mr. Lister's list. As to the causes of death in these cases, one patient on whom am- putation at the hip-joint was performed rallied after the operation, but .sank suddenly next day. One case of primary amputation of the thigh died from sliock, and 1 from pyaemia : 1 amputation of the 380 RESULTS OF ANTISEPTIC SURGEItY. thigh for disease died of tubercuhir meningitis ; 1 died 5 days after the operation, and it is stated that he had dian-hoea ; in 1 case oozing of blood came on 2 or 3 days after the operation. One secondary amputation at the ankle-joint died from septic poisoning, ana 1 had diarrhcea and tabes mesenterica. One fatal case of amputation at the shoulder-joint had repeated hfemorrhages from the wound. One case of amputation through the upper arm died 2 days after the operation, having had continuous oozing of blood ; in 1 case general oozing began on the 6th day but was arrested by styptics, and the patient died on the 7th day. One primary amputation of the fore-arm died from pneumonia, and 1 had fever, traumatic delirium, diarrhcea and vomiting, and died on the 10th day; 1 died from erysipelas and 1 from pleurisy and pneumonia. The causes of death in the other fatal cases (8 in number) are not referred to. Among the other cases treated were 57 excisions of various joints, of which .7 died ; 34 excisions of the mamma with 2 deaths ; 10 cases of lithotomy with 1 death ; 44 cases of removal of tumours with 8 deaths ; 9 complete or partial excisions of the tongue, 4 deaths ; 4 cases of tracheotomy, no death ; 31 operations for necrosis, no death ; 1 operation for badly-united fracture of the femur, no death ; several miscellaneous severe operations, 6 deaths ; 3 excisions of the lower jaw, no death ; 3 castrations, no death ; 2 cases of trephining. On comparing these cases with Mr. Lister's we find that the operations were not more severe, and yet the mortality was nearly four times as great. Mr. Spence had thirty-one amputations of the thigh against Mr. Lister's twenty-nine, but nine deaths against three. The total number of cases in which bones were operated on, such as for ununited fractures, excisions, &c. was greater in Mr. Lister's practice, and yet he had no death as compared with Mr. Spence's seven fatal cases. This difference is the more remarkable when it is remembered that many of Mr. Lister's operations were performed on healthy bones, while the greater number of Mr. Spence's were performed on diseased bones. It is less dangerous to operate on the extremity of a bone than on the dense shaft, especially where the medullary cavity is opened. And the dangers of the operation are diminished if the bone be previously the seat of chronic inflammation, for a chronically inflamed bone is well advanced on the road to MR. SPENCE'S RESULTS. 381 granulatiou, and granulation is, therefore, much sooner com- plete after the operation than in the case of healthy bone. In other words, the time during which there is risk of absorption from the wound is shorter in the case of chronically inflamed bone than in the case of healthy bone, while the risk is from the first less, because in the diseased bone a partial barrier is present from the beginning. Then, among ]\Ir. Spence's cases there is not a single in- stance of simple incision and insertion of a drainage tube into a healthy joint, a diseased joint or a suppm-ating joint, while Mr. Lister had seventy-six of these cases. Then, also, Mr. Spence does not seem to have treated a single case of psoas or lumbar abscess. Thus, however we look at the matter, the contrast between septic and aseptic surgery is very markedly in favom* of the latter. This is well seen in Mr. Lister's own hands, in which the results of cases treated aseptically were much better than of those treated in other ways, these results being obtained by the same surgeon, in the same wards, and during the same time. The same contrast in favour of aseptic surgery is shown by the results obtained by another surgeon, in the same hospital, during the same time, and under circumstances in every way more favourable, both as regards the severity of the cases and the hygienic conditions under which the patients were jjlaced. With regard to the latter point, it must be noted that jNlr. Spence's wards were well ventilated and at the top of the build- ing ; Mr. Lister's wards were at the lower part of the building, some on the basement floor. Mr. Spence did not overcrowd his wards ; Mr. Lister had as a rule nearly seventy patients in wards containing fifty beds, and these beds were more closely packed than Mr. Spence's. (The way in which this was managed was, that those adult patients who were well enouoh to be up during the day, slept on mattresses placed in various parts of the ward at night, while children were placed two, three and sometimes even four in a bed.) Then, lastly, Mr. Spence's wards were thoroughly cleaned out once a year ; Mr. Lister's wards, on the other hand, did not, at his own request, undergo this annual process. That the wards in which Mr. Lister worked were unhealthy 'S62 RESULTS OF AXTISEPTIC SUIiGERY. wards, is shown by the results obtained by jMr. Syme during his last four years. Of amputation cases (120 in number) he lost twenty-five from infective diseases alone, while Eeyher,^ who pub- lished these comparative statistics, states that Mr. Lister, up till the end of 1873, in 123 amputations, had not lost one from infec- tive disease, unless indeed we include a case of tetanus as such. These statistical facts fulfil the conditions required by Mr. Holmes in his recent utterances, and they are therefore deserving of careful consideration. I shall now pass on to consider JMr. Lister's results in King's College Hospital, from November 1877 till November 1880. During this period there were 207 operations performed asepti- cally, of which fourteen died. All of the operations were more or less serious, and the following is a sample of them, with the causes of death in the fourteen cases. Thei'e were 3 amputations at the hip-joint for disease, with 1 death. This case died from shock half an-hoiir after the operation. There were 4 amputations of the thigh for disease, of which 3 died : — 1 got suppression of uriiie on the second day and died ; his kidneys were extremel}'" fatty, and the fact that he had marked albu- minuria had been overlooked before the operation. One case died of pneumonia ; he had a slight cold before the operation, caiight from draughts in the ward ; afterwards he got pneumonia, which was apparently distinctly traceable to exposure during the energetic ven- tilation of the wards in the intense cold of winter. (Such ventila- tion is, I need hardly say, unnecessary in wards where aseptic treatment is carried out ; the comfort of the patients is the point to be attended to rather than the constant flow of a current of aii- through the wards.) A post-mortem examination was not allowed in this case The third case was one of spontaneous gangrene of the foot and leg, where amputation of tlie thigh was iDerformed. Gangrene recurred, and the patient died on the 4th day after the operation. There were 2 amputations of the foi'e-arm. No death. There were 16 excisions of the mamma and axillary glands, with 2 deaths. Both opei-ations were very extensive, and both patients died from shock within 3G hours. There were 13 incisions into healthy joints, no death ; 5 in- cisions into joints affected with synovial degeneration, but without buppuration, no death ; 3 incisions into joints affected with synovitis, ' Archil- fur KJin. Chirurfiie, Bd. xvii. p. 4',)!i. J/7i'. LISTER'S RESULTS IX LONLOy. 583 no death ; 9 incisions into supj)urating joints, 2 deaths, one of which was due to tubercular meningitis, confirmed on post-mortem examin- ation, and 1 occurred in a child admitted with acute abscesses in various joints, in fact with pypemia after scarlet fever ; he died 2 days after admission. There were 31 operations on healthy bones for deformities, ununited fracture, (tc. No death. There were 8 abscesses (lumbar or psoas) connected with disease of the spine. One death. This case putrefied, and the patient was sent home, but died at home from exhaustion a few weeks later. Though not a death in hospital, it is a death in a case treated at the first aseptically, and I have therefore included it. Putrefaction occuri^ed owing to the circumstance that the patient suffered from carbolic acid poisoning, and hence the dressings were left on longer than usual, and thymol dressings were ultimately substituted for the carbolic gauze, with the result that the discharge putrefied. There were 4 cases of strangulated hernia with 3 deaths. In one fatal case the bowel was gangrenous ; the gangrenous portion was cut away and the divided ends of the gut vmited by suture ; the patient, who was collapsed at the time of the operation, died in 2 or 3 hours. In one case the patient, an old woman, was in a state of collapse at the time of the operation and never recovered, dying within 24 hovu-s. In one case the gut, which was in a suspicious state at the time of the operation, gave way 60 hours later, and its contents escaped into the peritoneal cavity. The patient died in a few hours. There were 3 opei-ations for radical cure of hernia, in which the greater part of the sac was cut away and the mai-gins stitched with cat-gut. No death. There were 3 cases of acute necrosis where incisions wei-e made down to the bone and drainage tubes inserted ; the bones were not resected, as Mr. Spence recommends, such a procedure being un- necessary with aseptic management. One of these cases, a child, which was appai-ently in a septicsemic state before the opei-ation, died 5 days afterwards. There were 23 large abscesses, among whicli were 6 iliac abscesses, 3 gluteal, 1 pelvic, 2 mammary, 2 in calf, 2 in thigh, 1 case in which there were 7 chronic abscesses, 2 cases of suppuration of bruises ; all of them extensive. No death. Two cases of empyema. No death. There were 2 cysts of the thyroid gland, which were opened and drained ; no death. Three excisions of the thyroid gland ; one death. In the fatal case tlu; tumour was adherent to tlie trachea. 084 RESULTS OF ANTISEPTIC SURGERY. which had become thinned by the pressure, and in removing the tumour the thin membrane gave way. Thus the case was no longer an aseptic one. The puti-id matters passed down the trachea, and gave rise to inflammation of the bronchi. The difficulty in breathing was not relieved by the operation. The patient died 16 days after the operation. At the post-mortem examination an open- ing was found in the trachea large enough to admit the tip of the little finger, and communicating with the wound. The lungs were (Edematous, and a small quantity of pus could be squeezed from various parts, but there were no abscesses or infarcts. A lai-ge tumour was found in the thorax surrounding the trachea, and partly also the arch of the aorta. There were no other post-mortem appearances. This is, of course, a septic case, and ought not to be included in this list, but I insert it, as the operation was undertaken with the intention of performing it aseptically, and as it is such a marked contrast to the others. Then there were a number of single operations, which it would be too tedious to enumerate, such as 2 cases of nerve stretching, 2 cas- trations, 1 operation for aneurismal varix, 5 varicoceles (veins tied), removal of tumours of various kinds, &c. If now we look at the causes of death we find that several were unconnected with the treatment of the wound. Thus the case of shock after amputation at the hip-joint and the two fatal cases after excision of the mamma are quite irrelevant. So also are the three deaths after strangulated hernia, the death from tubercular meningitis, and the death of the little boy admitted with pyaemia. How are we to look at the cases of death from suppression of urine, after acute necrosis, and after recurrence of gangrene ? Could these have been prevented by any method of treatment ? The thyroid case was a septic one. This leaves us with two cases to consider: the case of pneumonia, which I myself saw, and which I, as well as others who know the facts, firmly believe to have been caused by im- prudent ventilation ; and the fatal case of psoas abscess, which undoubtedly ought to have been avoided, and would in all probability have been so, had not the patient been so sen- sitive to the effects of carbolic acid. During these eight years, three wounds of healthy joints and fourteen compound fractures were treated, with one death. VOLE MANN'S RESULTS. 386 This death occurred in a case of compound fracture of the skull, the patient being comatose when admitted ; trephining was performed, but he died within twenty-four hours. There were also a number of more or less severe wounds under treat- ment at the same time. Looking then at the whole results attained by ]Mr. Lister, we must, I think, come to the conclusion that he is correct in stating, from his own experience, that infective disease is abolished by aseptic treatment, so that, if an operation can be performed aseptically the risk of infective disease may practically be left out of consideration in deciding on the ad- visability of the operation. This view has been amply borne out, as I have shown, by thu-teen years' constant work in three different hospitals — none of them particularly noted for health- iness. One of the first surgeons to take up the aseptic method thoroughly, was Professor Yolkmann of Halle ; and he has con- tributed some remarkable testimony to the efficacy of the system. For many years he had used the open method, and during the war in 1866 all amputation wounds were treated in this way. He also employed immersion in water containing carbolic acid : recent wounds of the hands and feet were placed in vessels containing this solution. In his earlier cases the wounds were stitched, drainage being provided for, but for the four years preceding the adoption of the aseptic method — i.e. up till 1872 — he left the wounds quite open. During the first years in which these methods of treatment were carried out, the results were very favourable, and Volkmann was thoroughly conWnced of theu" superiority over the older modes. As time went on, however, and as overcrowding of the wards became necessary, infective diseases also progressively increased, and at last, in the summer and autumn of 1871, the deaths from pvfemia and septicaemia were so numerous that he made up his mind to shut up the hospital altogether for a time. Before doing so, however, he thought that he would try the Listerian method for a few weeks, and it is to the result of tliis trial that I now wish to refer. c c 386 RESULTS OF ANTISEPTIC SURGERY. T need not go into the details which he gives as to the hygienic conditions of the hospitaL They seem to have been very wretched. There were no proper arrangements for venti- lation ; waterclosets opened into the wards ; there was no place for keeping the dead bodies, which were therefore laid in a cellar situated beneath the surgical wards, and the wards were full of beds. It was under these conditions and in this infected atmosphere that the aseptic method was first employed. Volkmann's first report extends from December 1872 to February 1874.^ This was the period in which he was learning the method, and I shall not, therefore, refer at length to his results during this time. Among the cases in which the aseptic method was tried there was one death from pyaemia and one from erysipelas. Erysipelas attacked eight wounds treated on aseptic principles. There were other cases of infective diseases in the hospital during this time, but these were either admitted while suffering from them, or they arose in cases not treated aseptically. This remarkable result was obtained in a hospital which, at the commencement of this period, was going to be closed on account of the enormous mortality from these diseases. Surely here there was some benefit derived from the introduction of the aseptic method ! And it must be noted that these two deaths from infective disease occurred in the early period of aseptic practice and, with regard to them and the erysipelas cases, Volkmann states that he could generally point out an error in the manipulations, as a rule, in the mode in which the ■dressing was applied. In a note written in 1875 Volkmann states, that during the last eighteen months,'^ i.e. from the middle of December 1873, there had been no case of pyaemia, and erysipelas had almost or altogether disappeared. With regard to these results Volkmann expressly shows that they were not due to the mere use of carbolic acid as a disinfectant, for carbolic acid had been, as I have just stated, extensively em- ' Beitrdgezur Chirurgic, 1875 : ' Ueber den Antiseptischen Occlusiv Verband und seinen Kinflnss auf den Heilungsprocess der Wiinden ; ' Volkmann's Sammlimg, No. 96, 1875. - In the Appendix Volkmann states that this holds true for metastatic pyiEmia, but that only fifteen months had elapsed since he had a case of •I'yaimi a simplex.' ^ VOLKMANNS STATISTICS. 387 ployed during the preceding period to irrigate wounds, but latterly without any ap2:)arent benefit. In 1877 Volkmann published the continuation of this report,^ and I will refer to it in some detail. The report extends from March 1874 to March 1877, a period of three years. He does not give all the cases treated, but, omitting the septic cases, there is a record of 465 operations performed with aseptic precautions. Of these cases 29 died. Among these 465 operations were 157 amputations, of which 15 died. On analysing these cases of amputation we find that 139 of them were uncomplicated with other injury or mutilation, and of these only 4 died. Three of these deaths occurred within the first 24 hours from shock, and 1 from ' habitual erysipelas.' Omitting from this list 7 partial amputations of the foot, there were 132 major amputations, with 4 deaths, or, leaving out the cases of shock, which were of course independent of the method of treatment, there were 129 major amputations, with 1 death. The following is the list arranged in a tabular form : — - Amputation at the shoulder-joint through humerus . „ forearm . at wrist -joint . „ hip-joint through thigh leg . at ankle (Syrae and Pirogoff) partial of foot Total . Cases Death 4 1* 14 • — 23 — 3 — 2 1* 42 ]* 2,5 If 19 — 139 Died from sliock ; f from ' habitual erysipelas/ There were 9 CJises of double amputation.s, with 2 deaths ; 1 died within a few houi-s, and 1 died on the third day (amputation through both thighs) with symptoms of collapse. There were also 6 amputations in cases where other severe injuries had been received. Of these 4 died within 24 hours. These were all very severe cases, as for example, amputation at the shoulder- ' Vorldiitiijrr lim-irht iihcr die innerhalh drr Iriztfii drei Jahre in der chi- rurginrkrii. Klinik zii JIalle utafiondr odcr jjnlikliuiseh mit Hiilfr der AntUrp- tischen, }[ctlindt' hrhnitdt'Uen xchiccreib Opcratvmen and Kchtvcren Verl.rtzuiigen. By Volkmann and Kraske, Halle, 1877. c c 2 388 RESULTS OF ANTISEPTIC SURGERY. joint with fracture of sternum and ribs ; fracture of the skull, fracture of ribs, and amputation through both thighs, &c. One case died on the fourth day, never having recovered from the state of collapse ; here amputation through the thigh had been performed, and the patient had also sustained a severe bruise of the abdomen. One case of amputation of the thigh, along with a severe injury to the hand, died of tetanus on the 14th day. Lastly, 3 cases died of intercurrent diseases. These were a case of amputation thi'ough the leg, which died of delirium tremens ; an amputation through the femur, from pneumonia, on the 21st day, the wound being practically healed ; and a case of amputation through the humerus, in which abortion occurred, followed by the patient's death from puerperal fever. Ninety-one excisions. of joints were performed, with 5 deaths : 2 excisions of the hip died from shock ; 1 excision of the hip from haemorrhage 3 j months after the operation ; 1 excision of the hip from thrombosis of the iliac vein two months after the operation : 1 exci- sion of the knee from tubercular meningitis. A-Qiong these cases were 44 excisions of the hip, which recovered. Two cases died from intercurrent disease, viz., 1 excision of ankle-joint from delirium tremens, and 1 excision of the shoiilder-joint from phthisis and haemoptysis. Thus thex-e were in all 93 cases of excision of joints with 7 deaths. There were 10 operations for uniinited or badly united fracture withotit a death. Also 50 cases of osteotomy, of which 1, a patient affected with the hoemorrhagic diathesis, died from haemorrhage. There were 45 cases of hydrocele treated by opening the sac, stitch- ing it to the skin and introducing a drainage tube. No bad result. There wore 119 excisions of the mamma in 110 patients. Among these were 75 cases in which the fat and glands in the axilla were also i-emoved. Of the 110 cases 6 died; 1 from shock, 1 from anthrax, which Volkmann thinks must have been introduced with the cat-gut, 2 from exhaustion in old people, 2 from erysipelas — in 1 case arising from a bed-sore, and in the other commencing after the antiseptic dressings had been left off. Up to this time Volkmann had treated seventy-three com- pound fractures a:nd twenty-four wounds of joints conservatively without a single death. Adding together the whole results, we find that 562 serious operations and injuries were treated, with twenty-nine deaths, not one of these being due to infective disease arising under an NUSSBAUM. ' 389 antiseptic dressing, Volkmann further states that not a single case of pyaemia or septica3mia occurred among patients treated asepticallj during these three years. Erysipelas attacked three or four of the cases which were treated on aseptic prin- ciples. Here is a piece of evidence which cannot be overlooked. Into an infected hospital the aseptic method was introduced without any other change being made in the arrangements of the hospital. At once the infective diseases, which were attack- ing almost every patient, disappeared in the cases treated aseptically, only one case of pyaemia and about twelve of ery- sipelas occurring dui"ing more than four years, and almost all of these arising at the very commencement of the trial when as yet the surgeon had not had sufficient experience of the working of the method. When this experience was obtained, these diseases practically entirely disappeared. In estimating these results at their proper value, we must also remember that during the aseptic period, operations were performed and limbs preserved in a way impossible in an infected atmosphere. What would have been the result of the 1 50 operations on bones, or of the hydrocele cases, or of the wounds of joints, or of the com- pound fractures in the former infected atmosphere, if they had not been treated aseptically ? What would their result have been in a good atmosphere, such as St. Bartholomew's hospital is said to possess ? Would there have been no infective diseases there ? Similar remarkable facts have been published by Professor Nussbaum of Munich, who commenced aseptic treatment two years later than Professor Volkmann. The ' Allgemeines Krankenhaus ' at INIunich, though by no means very deficient in sanitary arrangements, became infected with septic diseases, so that almost every case of open wound treated in the wards was attacked by them. Pyaemia was rife, affecting nearly all cases of compound fracture or Wounds of bones, amputation wounds, &c. ; erysipelas was constantly present. During 1872, hospital gangrene also appeared, and steadily spread in spite of all the precautions which were taken. In 1872, twenty-six per cent, of all the wounds were attacked with hosi)ital gangrene, and during 1873 the proportion increased to fifty and ultimately eighty per 390 RESULTS OF ANTISEPTIC SURGERY. cent. Erysipelas, too, which in 1872 was comparatively mild, became much more virulent and frequent. All this occurred in spite of the use of antiseptics, of the open method, &c. In an address delivered in 1875, at the end of the academi- cal year,' Professor Nussbaum mentions these facts and describes also the results which followed the introduction of strict a^ptic treatment. With regard to his former results, to which I have just alluded, he says that he had employed in the treatment of wounds the open method, various forms of occlusion, continuous water-baths, chlorine water, carbolic acid, salicylic acid in pow- der and solution, Mr. Lister's carbolic paste, and even the car- bolised gauze dressings. ' Alles, alles,' says he, ' war nicht im Stande, den Hospitalbrand, die Pysemie zu bekampfen.' With- out any other change, strict aseptic treatment was used in all possible cases, and then, he says, at once they experienced one surprise after another : everything went well ; there was no more hospital gangrene, though a week or two previously eighty per cent, of the wounds were suffering from it ; pyaemia and erysipelas were only observed in one or two cases, and these disappeared as skill in the use of the method was acquired. Nussbaum adds : ' One might reply ' (to these facts), ' pyaemia and hospital gangrene are diseases which often suddenly attack a hospital without any apparent cause and often also suddenly disappear. But think, my friends, that during the sixteen years in which I have had charge of this hospital pyaemia has not been absent a single month, and yet it suddenly disappeared on the introduction of the Listerian method.' A year later. Dr. Lindpaintner, Professor Nussbaum's assis- tant, published a detailed account of Nussbaum's practice from April 1st, 1875, to the end of March 1876.2 j ^^^^\l ^ot enter at length into these results, but there are some points to which I must call attention. During this period there were 459 operation or accidental wounds under treatment, and of these twenty-six died. The cases were not all treated aseptically as will be evident when I consider the causes of death, to which I must now allude. ' Die Chirimiiitclie Kliriih en Mwichcn im Jahre 1875; Stuttgart: Fred. Enkc, 1875. ^ Dcutuclir Zcifschrift far CMritrgie. XUSSBA UM. 891 Three cases in which primary amputation was performed died in a few houi's. Other extensive injuries were present in all these instances. One patient, ast. 79, died suddenly of cerebral hsemorrhage 31 days after resection of the elbow joint. In one case a malignant tumour of the scalp was removed, and the disease was found to have perforated the skull. Recurrence rapidly took place, and the patient died with symptoms of com- pression. One case of gunshot wound of the skull and brain went on well for 11 days, and then died suddenly. Cause unknown. A large abscess of the mamma connected with caries of the ribs was opened aseptically, and was progi-essing typically, when death occurred suddenly on the 3rd day. Cause unknown. One case of large ulcer of the leg, which had healed, died of phthisis nearly 4 months after admission. One case of extensive abscess of the knee-joint, which was incised aseptically, died of phthisis 5 months after the operation, the knee- disease having recovered, and the wound having completely healed. One case of extensive suppuration in the parotid region died. There was constant vomiting, and on post-mortem examination catarrhal pneumonia was found, A very weak, unhealthy subject, suffering from, compound fracture, for which secondary amputation was performed, died 5 days after the operation from thrombosis of the pulmonary arteiy. One case of excision of the mamma (set. 72) died, and on post- mortem examinatioti there was found cancer of the lungs, capillary hfemorrhages in the stomach, and extensive aphthous patches in the oesophagus. Death was sudden after the existence of difficulty of breathing for a few hours. In one case of excision of the mamma peritonitis set in on the 4th day, though up to that time the patient had been doing well. The peritonitis was found to proceed from a cancerous tumour in the liver, which was breaking down. One case of excision of the mamma died on the 1.5th day from unilateral pleuro-pneumonia on the same side. One case of large abscess in the neck, died of ' fibrinous i^eri- carditis ' 38 days after the abscess was opened, and after it had healed. One case of ovariotomy, in which there had formeily been peri- tonitis, and where extensive adhesions wore present at the time of the operation, died of peritonitis. 392 RESULTS OF ANTISEPTIC SURGERY. One case of compound fracture of the leg, which was doing well, died of myocarditis on the 25 th day. One case of resection of the elbow-joint died of cedema of the lungs and fatty embolism on the 11th day. One case of compound fracture of the femur in which the bone was very extensively comminuted and the knee-joint opened, died of septicaemia. The remainder of the fatal cases occiuTed in patients not treated aseptically, and were due to septicajmia, erysipelas, pneumonia, pysemia, phthisis, peritonitis, and shock. I have thought it well to mention all the causes of death, and now I shall summarise what Dr. Lindpaintner says as to septic diseases. Erysipelas occurred six times during that year, but not in any case which was being treated aseptically. It occurred in four cases of septic wounds, in one case after the Listerian dressings had been left off, and in one case of excision of the mamma treated aseptically but spreading from an inflammation in the neck and never extending under the dressing. There was no case of hospital gangrene. There were three cases of septicaemia — one after a septic operation (excision of the hip), one case admitted with septic- remia, and one case of compound fracture in which an unsuc- cessful attempt was made to eradicate the causes of putrefaction (alluded to above). There were three cases of pyasmia — one occurring after a putrid wound in the thigh, one in a case with putrid sinuses near the elbow-joint, in which no operation was performed, and one after dilatation of a stricture of the urethra which had followed a previous amputation of the penis. There was thus only one case of infective disease among the cases treated aseptically — the case of bad compound frac- ture of the femur. Here, of course, the surgeon had not to deal with a wound made by himself, but with one made without aseptic precautions, and it is of course always a matter of un- certainty in such instances whether the wound can be after- wards rendered aseptic or not. The case of peritonitis after ovariotomy and the cases of pericarditis and myocarditis might NUSSBAUM'S RESVLTS. 393 no doubt be attributed to failure in the method. Whether or not they were due to such a cause, I do not know. This success in the exclusion of traumatic infective disease has continued up to the present time in the cases treated asep- tically, and in a publication of Professor Nussbaum's in 1878, entitled ' Sonst und Jetzt,' he states that there had been no further instance of these diseases. It may be interesting to see what he says : — Formerly. Now. * Injuries of the head, compound fractures, am- putations and excisions, in fact, almost all patients in whom bones were injured were attacked by pyaemia. For example, of 17 cases of amputation 11 died from this cause. Even patients with severe whitlow died of it. .... No pyaemia. 'Hospital gangrene had got the upper hand to such an extent, that in spite of the open method, in spite of continuous water-baths, in spite of the use of chlorine water or the actual cautery, finally 80 per cent, of all wounds and ulcers were attacked, large arteries being opened into. . . . No hospital gangrene. ' Almost every wound was attacked with erysi- pelas No erysi- pelas.' Still later, in the last edition of his work on antiseptic surgery, published in 1880, the same statement is reiterated and Nussbaum now says, that since the introduction of the aseptic method there has been no instance of pya-miu, hospital gangrene or erysipelas among the patients treated in that way. And yet, he adds, no other change has been made ; ' the wards, the furniture, the nursing of the patients and their number remain the same.' Indeed, in summing up his five years' experience he goes so far as to say that ' any recent wound, treated by this method, is guaranteed against pyaemia, hospital gangrene, erysipelas, pro- gressive suppuration, and in general against all accidental com- 304 liESUlTS OF ANTISEPTIC SURGERY. plications.' And further : ' The fate of a })atient seriously wounded is almost entirely in the hands of the surgeon who applies the first dressing.' Such is Nussbaum's experience after using this method for five years in a hospital in which infective diseases were very prevalent. These facts cannot be overlooked, and are of the very greatest value — of much more value than any number of results in healthy hospitals. For here we have an immediate abolition of traumatic infective diseases, only one case occurring in five years, and that after a wound not made by the surgeon ; there was thus not merely a great diminution in the frequency of these diseases but absolute cessation. These facts, when surgeons in this country have deigned to notice them, have been attributed to increased cleanliness alone, the result of the introduction of strict aseptic precautions. It is asserted, and the assertion no doubt holds good in many places, that dirty sponges, dirty instruments, &c., were used in dressing the various cases, and that no care was taken to cleanse the instru- ments after their use, nor to keep apart those employed in bad cases. I venture, however, to affirm that these objections do not apply to the practice of such men as Bardeleben, Esmarch, Hueter, Nussbaum, Volkmann, and many others whom I might mention — men who are at the head of the surgical profession, and who owe their high reputation to their thorough knowledge of physiology and pathology. In Professor Nussbaum's case this objection cannot be upheld for one moment, for he had charge of two hospitals, one in the country placed under good hy- gienic conditions, and the other in town not so well situated in these respects. The same surgeons and the same methods of dressing and nursing were employed in the one institution as in the other, and yet the country hospital remained healthy, while the one in town became infected. Surely the same un- cleanliness would have told, at least to some extent, in the country as in the town. But further it must be remembered that the result of the use of the aseptic system was not "merely the diminution, but the abolition, of these infective. diseases. Now cleanliness, as advocated b}^ Mr. Savory— and I shall refer to this matter again — does not result in the abolition, but merely in the diminution of these affections, and I do not allow that NTJSSBAUM: SOCIN : SAXTORPH. 395 the results which Mr. Savory gives were solely clue to clean- liness as distinguished from asepticism. Then, again, these diseases disappeared at once, for Nuss- baum tells us that from the day when he began this treatment thoroughly, these diseases never attacked any of the cases so treated. What an extraordinary amount of cleanliness would be required to effect this ! But indeed we are told that clean- liness alone had not been able to abolish these diseases, even after several yeai's'^ practice of it, for Nussbamn says in 1878,* that even then a tracheotomy or other wound which could not be treated aseptically was liable to be attacked by erysipelas of as severe a type as formerly. And, further, Nussbaum had been practising cleanliness before the introduction of the aseptic method; for many of the wounds were irrigated with anti- septics, such as carbolic acid, &c., without any apparent benefit. Cleanliness is, no doubt, a most excellent thing in its own place, but its power as a preventive of infective disease in an infected atmosphere is very limited indeed. And lastly, it cannot be said that Nussbaum does not now diagnose as infective disease cases which he would formerly have classified under that heading, for post-mortem examina- tions are made on all the fatal cases by Professor von Buhl, quite independently of Professor Nussbaum, and thus any such error would be corrected. Nussbaum remarks in a note to Mr. MacCormac (' Antiseptic Surgery *), ' the mortality is reduced to one half, and the only cases brought to the postmortem room are those of death by suicide, from severe mechanical injury, in old people, or from cancer and tubercle.' Socin of Basle uses language very similar to that of Nuss- baum with regard to the occurrence of infective diseases. He has also observed their complete disappearance under aseptic treatment, and as the result of his experience, he says that, ' Every case of amputation which dies of pyaemia or of erysipelas is a victim of ignorance, of want of skill or of negligence on the part of the surgeon.' Saxtorph of Copenhagen has had an experience similar to that of Volkmann and Nussbaum. His results are quoted at considerable length in Lucas Championniere's ' Chirurgie Anti- ' Songt vnd Jctzt. 396 RESULTS OF ANTISEPTIC SURGERY. septique,' to which I must refer the reader. I may, however, just mention the following facts. Before 1873 Saxtorph had performed 15 excisions of joints, of which 9, or 60 per cent., died. These wounds were treated in the ordinary manner. He then introduced aseptic pre- cautions, but they were very imperfectly carried out. During this period (between 1873 and 1877), he performed 76 ex- cisions of joints with 32 deaths, or a mortality of 42 per cent. The method was then carried out more efficiently, and since 1877, 34 excisions of joints (including 15 of the hip and 12 of the knee), have been performed with 5 deaths, or a mortality of 17 per cent. Indeed, Professor Saxtorph says that since he has carried out the method with absolute strictness, according to Mr. Lister's directions, he has performed 24 major excisions with 1 death (from tetanus), or a mortality of 4*3 per cent. This result has also been obtained in a bad hospital where infective diseases were common. The increased success, ac- cording as more efficient precautions were taken to exclude the causes of putrefaction, is very interesting and important. Another strong advocate of the aseptic method is Professor Esmarch of Kiel. In 1875, he introduced the method into his wards, which had previously been especially liable to attacks of erysipelas. The report of the first year in which Esmarch em- ployed this method is published by Waitz in ' Langeubeck's Archiv ' for 1877, and he states that 536 operation cases were under treatment during that year, and of those treated aseptic- ally only four were attacked by erysipelas (one of these cases died). Two patients who were treated aseptically died with- out any definite symptom except the presence of a continuous high temperature — septicaemia (?). Two cases died of pyaemia, but neither of these tell against the method ; one was a case of acute necrosis where an abscess was opened, but where, never- theless, pyaemia carried off the patient ; the other was a case of herniotomy, in which the gut was found to be gangrenous. These results were very good for the first year of aseptic work, but as Esmarch and his assistants gained experience, the cases of infective disease became fewer and fewer. His report for 1878 is alluded to by Mr. MacCormac,' who states that ' Antiseptic Surgery. ESMARCH. 397 Esmarch had during that year treated 524 cases with 25 deaths. These cases include forty amputations, 27 major resections, 80 cases of removal of tumours, &c. Mr. MacCormac gives a list of the causes of death, and among them were two from septic- aemia after excision of the mamma, presumably performed aseptically, though that is not expressly stated ; no facts are given with regard to them. One case of ovariotomy died from peritonitis. In this, as in many other reports, no separation is made between cases dressed aseptically and those treated by other methods. Mr. MacCormac states that Professor Esmarch informs him that- his next triennial report will show better results. A part of this report is already furnished by Dr. Neuber, in his last communication on absorbable drainage tubes and permanent dressings.* Between the end of April and the beginning of October, 1879, all the cases treated aseptically wei'e di'essed in this way. These were 131 in number, comprising 5 amputations of the thigh, 7 amputations of the leg, 1 at the knee-joint, 1 through the humerus, and 1 through the fore-arm ; 2 excisions of the knee-joint ; 4 excisions of the mamma and axillary glands ; 5 excisions of the mamma alone; 16 excisions of large lymphatic glandular tumours from the neck varying from 1 to 2 fists in size; 16 excisions of other tumoiu-s, &c. During this period 3 patients treated aseptically died, viz., one case of ex- cision of the hip fi-om shock ; one case of removal of carcinoma from the ear of a patient (jet. 70), in wliich there Avere secondaiy aftections of the glands in the neck, &c., from hypostatic pneumonia; and one patient, who was suifering from septicaemia before his thigh was amputated, and who afterwards died of that disease (not a case in point). During the next 2 months 60 additional cases were treated in this way without a death. These comprised am])utations, resections, compound fractures, removal of tumours, &c. Thus during these 8 months 191 cases were treated aseptically with 3 deaths, but in no instance did infective disease arise aftei- the operation.^ ' Uebir die VerandvnnKjvii dccalcinirter Knochenrohrcn in, Weichtheils- jvuiiden, 4'e. ; Lanyenbeck's Archiv, Bd. xxv. 2 At the Jnternatioual Medical Congress of this year, Prof. Esniarcli brought forward still more recent statistics. Tlie cases were treated bv >\euber'b method of permanent dressings, the antiseptic chielly employed in 398 RESULTS OF ANTISEPTIC SURGERY. Perhaps the earliest in Germany to take up asepticism was Professor Hueter of Grreifswald, and he still looks on it as the best method and the ' greatest advance of modern surgery.' He uses salicylic jute instead of carbolised gauze, not because he believes it to be better, but because it is cheaper. Professor Czerny of Freiburg also added his evidence in 1876.' The number of cases to which he alluded was not great, but in his address at the end of the summer session, 1876, he stated that he had been unable to show his class a single case of pyaemia, hospital gangrene, or septicaemia during the whole year. He had two cases of erysipelas, one of these occurring after sequestrotomy and attempted purification of the sinuses with chloride of zinc. (This was not a case operated on from the first aseptically.) Czerny says that in former years, with the exception of 1875, during which aseptic treatment had also been employed, he had always had a considerable number of cases of infective disease in the wards. The abolition of these diseases could not, he says, be due to anything in the arrangement or service of the wards, for these remained unaltered. They were as full as formerly, as imperfectly ventilated, and the watercloset arrangements were unaltered. A greater number of patients were treated. The results had steadily improved with in- creased care in carrying out all the details ; and his belief is that 'the favourable results which have followed the intro- duction of this method are to be ascribed to the accuracy with which Mr. Lister's directions have been followed.' In France this method was first taken up by Dr. Lucas Championniere, whose text-book and other w^ritings - on the the dressings having been Io(loft)rm. They had recently treated 3*J8 cases of major operations and injury with 6 deaths. There was no instance of in- fective diseases. The cases were 146 excisions of large tumours, including 40 excisions of the mamma and axillary glands and 14 castrations with three deaths — 1 from pericarditis and old syphilis, 1 from apoplexj', and 1 from fatty heart ; 61 resections ; 51 major amputations (18 of thigh, 27 of leg, 5 of arm, 1 of forearm), with 2 deaths — 1 from shock and haemorrhage, and 1 from delirium tremens; 11 exarticulations 26 necrotomies ; 13 nerve stretchings, including one for tetanus, which was fatal; 8 herniotomies; 21 chronic abscesses ; 12 large wounds ; 4i) compound fractures. ' Berlin. Klin. Wockcnschriff, 1876, No. 4:?. * ChiTurf/lc Aidiscjjtiqiw. SCHEDE'S STATISTICS. 39& subject, are now so well known. He also finds that pytemia, septicsemia, and hospital gangrene disappear when aseptic treatment is employed. He has at times observed erysipelas under this dressing, but the disease was very rarely present and of a very mild ty|)e. As the result of the writings of Lucas ChamjDionniere, several French surgeons have introduced this method, but it has not as yet taken the same hold in France that it has in Germany. Those, however, who have used it properly make the same statements as to complete disappearance of infective disease. Among those who have employed this treatment and who have got these results may be mentioned M. Gross of Nancy, who has written a text-book on the subject. M. Letievant, of Lyons, is also an enthusiastic supporter of this system.' He introduced it into his wards during the summer of 1875, and from that time pygemia disappeared and the mortality after operations and wounds greatly diminished. His statements with regard to infective disease are : ' Purulent infection has disappeared. Hospital gangrene has disappeared. Erysipelas is much rarer and less severe.' Professor Panas ^ also found that dming a virulent epidemic, those of his patients at the Lariboisiere who were treated aseptically escaped erysipelas and other septic diseases. Keturning to Germany, there still remain two pieces of statistics to which I must refer. The first is Schede's comparative statement of the results of amputations treated aseptically and of those treated in other ways.'^ The aseptic cases were under the care of Busch, Schede, Socin and Volkmann. The cases not treated aseptically were furnished by Bruns, Bardeleben and Billroth. The most important tables give the result of uncomplicated amputations performed aseptically, contrasted with those treated by other methods. Uncomplicated amputations treated aseptically : — Note sur le paitnemeiit anti»vptique listerien a VHotel-Dieu de Lyon, 1880. ^ Gazette hsbdomadaire, 1878. " Amj)utatiaiirn und Il/'xcctioiwn. Handbiioli dor albjiiiwliu- und sprciclh- Chiruvfju; Tilha und Billroth. 400 RESULTS OF ANTISEPTIC SURGERY. At shoulder- joint Through humerus „ fore-arm At wrist-joint . „ hip-joint Through thigh . At knee-joint . Through leg Partial amputations of foot (including 9 Sj'me's"1 amputations, 36 Pirogoff's, 15 Cliopart's, 1 ^ Lisfranc, 4 of metatarsal bones)" J Cases Deaths 9 1 32 — 47 — 4 — 6 4 86 6* 3 — 69 It 65 Total ... 321 ]4 A mortality of 4-4 p. c. * One of these deaths was due to septicemia ; f from 'habitual erysipelas; § one from ' pytemia simplex.' Uncomplicated amputations treated by the older methods:— Deatlis At shoulder- joint Through humerus „ fore-arm At wrist- joint . ,, hip-joint Through thigh . „ knee-joint leer Partial of foot (8 Lyme's amputations, 13"| Pirogoff's, 5 Malgaigne's, 9 Chopart's, ^ 39 1 Lisfranc, 3 of metatarsal bones J 15 8* 41 6t 42 2 10 — 3 n 105 43§ 7 111 115 381 10* Total ... 377 110 A mortality of 29-18 p. c. *f All from infective disease; J one from pyEemia; § thirty-eight from infective disease ; || from pyjemia ; 1 thirty-seven from infective disease ; ** nine from infective disease. Other tables are given stating the results of double ampu- tations, of amputations with other severe injviries, of amputa- tions in existing septicaemia, pyaemia or tetanus, and of deaths from intercurrent diseases quite unconnected with the operation. I need not, however, go into these, as they would only obscure the point at issue. Schede tabulates the causes of death in the two preceding tables as follows : — REYHERS STATISTICS. 401 In the septic In the aseptic • cases cases Pj'Eemia 72 Septicsemia ....... 19 1 Erysipelas ....... 2 1 Trismus ........ 1 Pyaemia simplex ...... 6 1 Hasmorrhage ....... 'S 1 Pjxhaustion ....... 2 1 yhock 6 8 Total .... 110 14 Thus, as Schede truly remarks, if the deaths from infective diseases were removed from the list of septic cases, the death- rate in each would be almost the same — about 5 per cent, for the septic cases, as against 4*4 per cent, for the aseptic. In other words, the aseptic method saved this enormous propor- tion of lives in the main by preventing infective disease. The last paper to which I shall refer is Reyher's account of his results during the Russo-Turkish war.' As I intend to discuss these results later I shall just mention the numbers here. Eighty-one cases were treated aseptically as soon as pos- sible after the injury, and of these 15 or 18*6 per cent. died. Among these cases were 27 gunshot wounds of joints treated conservatively throughout with 4 deaths ; 1 9 primary resec- tions in cases of gunshot wounds of joints with 2 deaths ; 13 primary amputations with 5 deaths ; and 22 compound frac- tui'es with 4 deaths. Of the 1 5 deaths, 5 were due to septic diseases (2 to pygemia, and 3 to septic inflammation and sup- puration). With regard to the deaths from septic diseases in these cases, we must remember that here the surgeon had not to deal with an operation performed by himself, in which the problem is to keep out the causes of putrefaction, for here the causes were in many instances already present. The deaths occurred in cases where these causes were present and were not destroyed because portions of clothing, &c., were present in recesses of the wounds- Contrasted with this were 65 compound fractures and 78 ' Volkmann's Sainmlitiif/, Nos. 112 and 113: Iflc a/itlnrjHiscfie WuiidbcJiand- litiigindcr Ki-icysckirurgic, 1878. n D 402 BESULTS OF ANTISEPTIC SURGERY. wounds of joints, in all 143 cases, which did not come under treatment for some time, and in which the generally unsuc- cessful attempt at purification was made. Where these at- tempts are unsuccessful the treatment resolves itself into treatment with antiseptics. Of these 143 cases treated with antiseptics, 71 or 49*6 per cent, had already died when the first part of the report was issued, and 2 more died subsequently. Of these at least 46 cases died of septic diseases. Then contrasted with both these sets of cases there were- treated alongside of them 62 wounds of joints, in which no attempt was made to render the wounds aseptic, or even to treat them with antiseptics. Of these, 48 or 77*4 per cent, had died when Eeyher wrote, and amputation or resection had been found necessary in most instances. Lastly, I would allude to the results obtained in ovariotomy by the leading ovariotomists of this country. Mr. Spencer Wells and Dr. Keith had for years striven to carry out perfect cleanliness and other antiseptic precautions short of complete exclusion of organisms from wounds, and the results of both were very remarkable indeed. And yet, since they have ex- tended their precautions so as to exclude the causes of fermen- tation, their results have still further improved, and they themselves — and they are the best judges — attribute this last improvement solely to the additional antiseptic precautions employed. Mi\ Knowsley Thornton, in his speech at the debate on antiseptic surgery in December, 1879,' gave an analysis of more than 300 cases of fatal ovariotomy, and stated that in more than one-third of the cases septicaemia, pys'mia or septic peritonitis were given as the cause of death, and in nearly another one-third the fatal result was attributed to peritonitis. ]Mr. Thornton pointed out further that the cases of peritonitis were almost entirely due to septic causes, and thus, as he states, two-thirds of the deaths after ovariotomy were due to septic influences, and therefore, if these influences can be eliminated by aseptic surgery, the results ought to improve to a corresponding extent. And he states that this has been his experience, and that the introduction of strict aseptic precau- ' MacCormac's Aiitixcjiflc Surgery. RESULTS IN OVARIOTOMY. 403 tions has reduced his mortality by half, and it would have been still less had not putrefaction been present in some of the cases before he operated, owing to previous tapping of cysts by other surgeons without aseptic precautions. ]\lr. Spencer Wells, at the same meeting, spoke very strongly in favour of aseptic treatment, and gave the result of the last 168 cases which he had treated in private practice. The first 84 had been treated by his former methods, but yet, he says, ' with all the care I could give to them there were 21 deaths.' On the other hand, the last 84 were treated asep- tically, and of these only 6 died, and these deaths occurred among the earlier cases while he was only as yet making acquaintance with the details of the method ; and so ' as I went on and became still more accustomed to the method and details of antiseptic treatment, and avoided mistakes, then I obtained the long run of 38 cases without a single death ; and, adding to that the 5 more of other important abdominal opera- tions, I can record the gratifying and almost incredible result of 43 cases of these great operations without a death.' In a foot-note he adds : ' The run of 38 cases of successfid ovari- otomy was afterwards increased to 41, and then a death occurred where septic symptoms had set in before operation.' Dr. Thomas Keith, who had adopted the aseptic method somewhat earlier, and who had previously been getting the best results of the day, states^ that his last 76 cases were per- formed aseptically with only 2 deaths, and these occurred at the couunencement, so that the last 68 cases in succession all recovered. Dr. Keith is equally positive in ascribing these good results to the additional precautions whicli he had taken.^ ' See MacCormac"s A/Uin/'ptic Surr/c?'!/. ^ At tlie recent International Congress held in London, Dr. Keith is said to have stated that he had discontinued the use of the spray. I have not been able to find a report of his statement, but I can quite imagine that the amount of car})olic acid poured into the peritoneum by the spray in a prolonged operation would l;e injurious both from rendering the patient liable to carbolic acid poisoning, and also from causing an increased amount of fluid in the peritoneal cavity, wliicli, where the details of the aseptic method were not thoroughly carried out, would be liable to undergo putrefaction. Though Dr. Keith lias given up the spray, I have not heard that he has given up the practice of aseptic surgery. (See Chapter XVTII. for remarks on ovariotomy.) i» I) 2 404 RESULTS OF ANTISEPTIC SURGERY. Salicylic acid, which was introduced b3^ Professor Thiersch ' as a substitute for carbolic acid, has been employed in various hospitals, but the results do not seem to be so good as those with carbolic acid. The following is a specimen of Thiersch's earlier results : — From April 1st, 1874, to May 31st, 1875, 109 cases were treated with salicylic acid di^essings, and 51 with carbolic acid. Of the former 7 died, of the latter 2. Among the 109 salicylic acid cases were 21 major amputations, with 5 deaths ; also a number of resections, compound fractures, abscesses, excisions of tumours, &c. The deaths among the cases treated with salicylic acid were due to the following causes : In one case from haemorrhage from the intestine 100 days after primary amputation of one leg and secondary amputation through the other femur; in one case from hydro thorax 123 days after primary amputation of the leg ; one patient died on the twenty- third day after amputation of the thigh, pus being found in the shoulder-joint ; a case of amputation of the thigh died from ex- haustion twenty-eight days later ; one case of excision of the head of the femur died from uraemia twenty-five days after the operation ; one resection of the wrists-joint, followed by amputation of the fore-arm, died 201 days after the first operation fiom exhaustion. One of the deaths in the cases treated by carbolic acid was from pyaemia. Erysipelas attacked the salicylic acid cases seven times, and in one instance proved fatal. The general description of the course of these cases is not so good as that of cases treated with carbolic acid, and Volk-' mann and others have tried salicylic acid, but have not found it so trustworthy as carbolic acid. Thymol, though at first much praised,^ also soon failed to give satisfaction. The explanation of this probably was that in the first instance the thymol was used in wards free from infective diseases, and therefore good results were at first ob- tained. But these wards had a great tendency to become unhealthy on account of the bad hygienic conditions, and the ' ' Klinisc'ie Ergebnisse der Lister'schen Wundbehandlung und iiber den Ersatz der Carbolsiinre durch Salicylsiiure ' — VnlhnarDi's Sammlnng, Nos. 84 and 85, 1875. ^ Jlcher das Thymol und seine Bcuntzuufi hei der antiscptischen Bchand- liinf/ der Wundeii, von Hans Kanke, Volkmatni ■^ Santndunfi, No. 128. TREATMENT WITH ANTISEPTICS. 405 thymol was unable to prevent this in the same way as carbolic acid had done. Thus bad results were very soon obtained, and carbolic acid had to be reinstated. Here is another strong argument against the idea that cleanliness alone is a sufficient safeguard. In this instance there was of course the same amount of cleanliness when thymol was used as when carbolic acid was employed, but a powerful antiseptic was required in addition to the cleanliness, and, as the experience before the introduction of Listerism into these wards had shown, it was necessary to use this anti- septic on aseptic principles in order to attain the desired object. The Eelation of other Forms of Antiseptic Surgery TO Infective Diseases. I have found the greatest difficulty in getting records of any value as to the results of treatment with antiseptics not employed aseptically. I have described Bilguer's method and results (see p. 302), and these may be taken as a very fair speci- men of the results obtainable by treatment with antiseptics alone, though it must be observed that in many instances his cases were no doubt treated aseptically. I have also, at p. 401, referred to Keyher's paper giving details of the different results obtained by aseptic treatment and treatment with antiseptics, and this is perhaps one of the best contrasts which could be given. Several of the results which have been published as having been obtained by strict aseptic treatment are in reality nothing of the kind, but are merely the results of treatment by antiseptics and they might very fairly be used as such. And it woidd be seen from these that though infective diseases are often much diminished in frequency, yet they are by no means entirely abolished. Indeed, the rapid manner in which carbolic acid began to fall out of use before Mr. Lister published, shows tliat it was found to be inefficient when used as an antiseptic only and not aseptically. I believe that, employed as an anti- septic only, carbolic acid is inferior to various other substances, for it combines with albumen, and in doing so apparently loses in part its antiseptic virtues (see p. 2(iO) ; and therefore, in order to be efficient, it would require to lie added to tlie discharges of the wound in large quantities. At the same time its in- lOG liESULTS OF ANTISEPTIC SURGERY. efficiency is increased, becanse carbolic acid is very irritating, and causes an increased amount of discharge liable to undergo fermentation. And also, as Hack ' has shown, wounds treated with carbolic acid have greater absorbing power than those treated with other substances. The best comparison between aseptic treatment and treat- ment with antiseptics is that furnished by Mr. Lister's own results (see p. 376). The cases which were not treated asepti- cally were, as far as possible, treated with antiseptics. They were frequently syringed with antiseptic lotions and dressed with antiseptic ointments and dressings, and yet it will be seen, that the proportion of deaths avoidable by methods of wound treatment, and especially of deaths from blood-poisoning, was much greater than in the aseptic cases, although the nature of the injuries was much less severe. At p. 348 I have referred to the results obtained by the use of alcohol in Nelaton's practice, and I stated that in Chede- vergne's paper ^ mention is made of 48 cases treated in this way, of which only 1 died of pysemia. The cases were, however, not very severe. Thus, there was 1 case of tumour of the lower jaw ; 3 cases of epithehoma of the lip ; 10 partial excisions of the mamma; 2 amputations of the leg; 5 cases of removal of fatty tumours, and a number of isolated minor operations. There were also 2 cases of wound of the knee-joint and 1 of the elbow-joint, all of which recovered. No details of these cases ai-e given, Rochard ^ extends these statistics, and states that 97 patients had been treated in this way, and that among these there had only been 2 cases of pysemia and 5 of erysipelas, Chedevergne states with reference to the first part of these statistics that the results obtained were not merely accidental, for two cases which had not been treated with alcohol died of py{x;mia. He attributes the fatal case from pyaemia, mentioned in his paper, to imperfect application of the dressing, pus having been allowed to accumulate in the wound. ' Ueher das ResorjJtionsverm'ogen granvlircnder Fliichen, Leipzig, 1879. ^ ' Du traitement des jjlaics cliirurgicales ct traumatiques par les pansements }\ ralcohol,' BulleUn (/eneral de thi'raiu'vtiqve, vol. G7, 1864. * Ilistoire de la Chirurgie Fra»qaise au XIX^ Siecle, Paris, 1875. RESULTS FROM THE USE OF ALCOHOL. 407 In London most excellent results have been obtained by Mr. Hutchinson by the use of a spirit and lead lotion (see p. 269) ; and in his speech at St. Thomas's Hospital, at the debate on antiseptic surgery,' he referred to his results, and stated that they were as good as those obtained by a colleague who practised aseptic surgery, but he added that he himself had abstained from operations which involved peculiar risk. There can be no doubt of the excellence of alcohol as a dressing, and the good results are to some extent explained by Hack's ^ experiments, which show that absorption takes place with the greatest difficulty from wounds treated with alcohol. No doubt, also, as Mr. Hutchinson uses it, many of the cases are treated aseptically. With regard to these and other results from the use of antiseptics, I cannot give any tables ; for few surgeons have employed one antiseptic or one particular method of applying them, and in London more especially, where almost every sur- geon uses one or other form of antiseptic treatment, the results from the various methods of treatment are grouped together, and are thus almost absolutely useless for the point at issue. Among the best of these mixed results— results obtained no doubt in the main by the use of antiseptics — are the cases of major amputations performed at St. Bartholomew's Hospital for the last ten years (1870-79).^ There were 467 major amputations, of which 7l, or 15'2 per cent., died. These results include, however, the practice of two surgeons who treated their cases in the main aseptically. We have already seen in the historical part that the various methods of occlusion, acting on the principle of excluding the gases of the air, have failed to exclude infective diseases. I need only refer to Jules Guerin's experience during the siege of Paris, p. 325, and to his refusal to apply his method in a particular hospital because the atmosphere was ' aussi profonde- 7)ient infects.' The only method of occlusion which has been of permanent ' See MacCormac's Antiseptic Surtjcry. ^ Lq^ ^jj * St. Bartholomew^ Hospital licports, 1880. 408 RESULTS OF ANTISEPTIC SURGERY. service is Alphonse Guerin's ' Pansement ouate ' (see pp. 280 and 325). As we have seen, marked improvement followed its introduction dm'ing the siege of Paris, and good results are still obtained in some of the less healthy Paris hospitals. This method no doubt acts mainly by keeping the layer of granulations at perfect rest, and thus avoiding its laceration and the consequent passage of the putrid material — that ' ter- rible poison,' as Mr. Savory has called it — into the blood. However good its results may have been in some cases, I can- not think that a method of treatment in which fluids, under- going decomposition to a greater or less extent, are retained in contact with the surface of the wound, and in which the patient is only protected from the effects of the absorption of these fluids by maintaining the parts at perfect rest, is one which can be recommended when better means are obtainable. The method which perhaps stands next to the aseptic method in its power of preventing infective disease is treat- ment by irrigation or the water-bath. Here also definite statistics fail, but I may refer to Langenbeck's statement (see p. 344), made in 1855, to the effect that during the preceding five or six years no case of pyaemia had occurred among the cases treated by the continuous water-bath. No results are given as to the other infective diseases, but from what I know and have seen of this method, I should think that where the water is frequently changed, especially if an antiseptic is added to it, and where the wound is not complicated, and there is no retention of discharges, these diseases would be more or less completely absent. Langenbeck mentions that dm-ing the five years to which I have just referred, in which he had no case of pyaemia among the cases treated by the water-bath, pyaemia was, nevertheless, prevalent in other wards, and attacked cases treated in other ways in the same wards. I referred, also, on p. 345, to Valette's success. He employed antiseptics to a much greater extent than Langenbeck. I now come to the consideration of the results obtained by the use of the open method. I have already mentioned (p. 332) Bartscher and Vezin's results. They had 28 cases of amputation (26 of these being OFEN METHOD: BUROW'S RESULTS. 409 major amputations), with 3 deaths. The causes of death are not given. I have also mentioned (p. 333), Burow's results up till 1866. He had 94 amputations (87 of these being major operations), with 5 deaths. The causes of death are not stated. In a later paper (1877), Burow (junior),' gives the results of all the amputations performed up to that time by his father and him- self. Since 1866, 29 major amputations had been performed with 4 deaths, thus giving a total of 123 amputations with 9 deaths, or more jjroperly 116 major amputations with 9 deaths, or a mortality of 7'7 per cent. Of the 4 last deaths 2 were due to gangrene of the stump and 2 to pysemia. How many, if any, of the other deaths were due to septic causes we do not know. The following is the detailed list : — Amputations through thigh .. leg „ „ humerus „ „ fore-arm „ of foot Partial of hand Cases Dtatbs as 6* 25 3 25 29 9 2 Total . . . 123 9 * 2 certainly from pytemia. These results are certainly remarkably good. The cases extended over a period of something like forty years, and were treated in a small hospital composed of four rooms containing altogether sixteen beds. These rooms were small and the quan- tity of air for each patient was not very great. A number of operations other than amputations were also performed. Thus, tluring the last ten years given in the paper to which I refer (1866-76), there were treated, besides the 26 amputations, 53 excisions of the mamma, 30 cases of fistula in ano, 4 amputa- tions of the penis, 14 excisions of large tumours, 5 excisions of the upper jaw, 8 excisions of the lower jaw, 6 herniotomies^ G tracheotomies, 5 lithotomies, &c. Thus the conditions were not so favourable as might at first sight be supposed. We are not told what the results were in these latter cases, either as to the occurrence of infective disease or otherwise. Burow ' Archivfiir klimschc Chiriirijie. 41U liESULTS OF ANTISEPTIC SURGERY. took the most scrupulous precautions as to cleanliness, more especially of hands and instruments ; for example, he never employed sponges which had been used before. Then in many of his cases, notably in the excisions of the mamma, he used acetate of alumina — a very powerful antiseptic — and he specially praises its property of keeping down smell. Much more important facts are published by Kronlein ' in his report of the results of the open treatment at Ziirich from 18G7— 71. The method employed was chiefly that of Bartscher and Vezin, but it was combined with frequent irrigation of the wound with antiseptic solutions, so that we have here, not the open method pure and simple, but a combination of it with irrigation and treatment by antiseptics. Kronlein gives details of the cases of amputation, excision of the mamma and compound fracture conservatively treated, and contrasts the results obtained between 1867 and 1871 with those of the previous 7 years (1860-67). During these 7 years all sorts of methods of treatment were employed. In some cases the edges of the wound were brought together by strips of plaster or by stitches, and covered with compresses and bandages ; in others the wound was left open for several hours, &c. Kronlein discusses from various points of view the causes of the difference in the results in the two periods, and at length comes to the conclusion that it is in the main owing to the different methods of treatment employed. I need not enter into all his arguments : I quite agree with his conclusion. During the first period (1860-67), 260 important cases were treated, and of these 105 died. These cases included 140 amputations, 34 excisions of the mamma, and 86 compound fractures treated conservatively. Of the 105 deaths 59 oc- curred from pyaemia and septicaemia alone. During the second period (1867-71), 172 similar cases were treated with 34 deaths. These consisted of 85 amputations, 22 excisions of the mamma, and 65 compound fractures. Of the 34 deaths 12 were fiom pyaemia and septicaemia alone. I may just quote his tables : — ' Lie offene Wundhehandlung . Ziirich, 1872. OPEN METHOD: KRONLEINS STATISTICS. 411 Amptitations. 1860-G7. Cases Deaths From pyoemia and septicEBiuia Thigh 36 31 16 Leg 36 21 12 Humerus . . . . .18 10 8 Fore-arm . . . . .24 4 2 Hand 9 — — Foot 17 6 4 Total . 140 72* 42t * Or a mortality of 51-4 p. c. f Or 30 p. c. 1867-71. Cases Deaths From pyfemia and septicKmia Thigh 28 10 2 Leg 11 2 1 Humerus 14 2 2 Fore-arm 10 — — Hand 7 — Foot 15 3 1 Total . 85 17* 6t * Or a mortality of 20 p. o. t Or 7 p. c. Excic ions of the Mamma. 1860-67. Cases Deaths From pyiemia and septiciBinia 34 11* " 4t * Or a mortality of 32-3 p. c. t 11-7 p. c. 1807-71. Cases Deatlis 22 3* * Or a mortality of 13-G p. c From pyaemia and Beptioa'niia It t 4'5 p. c. Compound Fractures treated conservatively to the end. 1860-07. Thigh Leg . Humerus . Pore arm. Cases 7 Deaths 2 From pyjemia aiid septicaemia . 62 13 7 7 3 3 . 10 4 3 . 86 22* 13t Total * Or a mortality of 255 \p. c. t 151 p. c. 412 RESULTS OF ANTISEPTIC SUIiGEIiY. 18G7-71. Cases Dcatlis From pyaemia and septicaiuiia Thigh 11 2 liSg 31 9 5 Humerus ..... 18 '2 Fure-arm 10 1 Total . 65 14* 5t * Or a mortality of 21-5 p. c. t 7-6 p. c. Kronlein does not give full details of the causes of death during either period, so that one cannot judge for one's self how far they were avoidable or not. He confines his attention to infective diseases. If we analyse Kronlein's tables of amputations in the same way as was done on p. 387, for the septic and aseptic tables, i.e., if we only consider uncomplicated amputations, leaving out of consideration double amputations, amputations where other injuries were present, amputations in patients already suffering from septic poisoning, &c., we get the following results in cases treated by the somewhat modified open method described above : — Uncomplicated A mputations. (1867-71.) Cases Deaths Humerus 13 3 Fore-arm 8 Hand 7 Thigh 22 5 Leg 5 Partial of foot 12 3 Total . . 67 11 or a mortality of 16-4 p. c. as compared with Schede's result in aseptic cases of 4-4 p. c. Of these deaths one occurred from shock ; in live no cause of death is given ; four died from pyaemia ; and one from erysipelas. Between 1860 and 1867 about 4,000 patients, suffering from all sorts of affections, were treated in the surgical wards at Ziirich, and of these 146 died of pyaemia and septicaemia. Between 1867 and 1871 about 2,300 similar cases were treated. Of these only 19 died of pyaemia and septicaemia. Among the 4,000 patients of the first period erysipelas oc- RESULTS OF THE ORDINARY METHODS. 413 curred 148 times. Among the 2,300 patients of the second period erysipelas occurred 127 times. We thus see, that a treatment consisting of a combination of the open method with intermittent irrigation and treatment with antiseptics reduced in a very marked degree the mortality from pyasmia and septicaemia, but did not affect erysipelas at all. What the open method alone would have done we do not know, but these results are very good in a hospital where infective diseases were prevalent. Kronlein himself says that these cases ' sufficiently show that the open method is no absolute guarantee against pyaemia and septicgemia.' He also states that 'the open method does nothing against ery- sipelas ; indeed, during the time in which the open method was employed, erysipelas was more frequently observed than formerly.' We have also already seen from the experiences of Nuss- baum and Volkmann, that the open method is not very power- ful against septic diseases in infected hospitals. Thus, for example, Volkmann states that at first he was an advocate of the open method, but that by-and-by, as the hospital became more and more unhealthy, the treatment became of less and less value. I may, in contrast to the results of the foregoing methods, give a few statistical tables of cases not treated aseptically at all. Billroth's results just quoted in Kronlein's book represent the mortality after operations not treated aseptically. Malgaigne's statistics ^ are well known. The following table of amputations represents the results obtained in Paris at the time when he wrote. Amputation of thigh » leg . Partial of foot . Cases . 201 . 192 . 38 Deaths 126 = 106 = y = mortality of 62-6 p. c. „ 55-2 „ » 23-6 „ yhoulflei-joint . . 13 10 = » 76-9 „ Humerus . 91 41 = :, 45 „ Fore -arm . . 28 8 = „ 28-5 „ Total . 563 300= „ „ 53-2 „ ' ATc/dv(S (jv III rales ilc Mcih-cinc, 1842. 414 RESULTS OF ANTISEPTIC SURGERY. Paul ' has collected a very extensive series of statistics, of which the following is a sample. Amputation at hip-joint 222 159 = ] mortal ityof 71-6 )) through femur . 1721 863 = „ 50-1 ,, at shoulder-joint 192 84 = „ 43-7 „ „ knee-joint 49 24 = „ 40-9 ,, through leg 1242 480- ., 38-7 ,, „ humerus 943 314 = „ 33-3 '^ „ fore-arm 391 73 = M 18-7 Total . 5,060 1,997= 39-4 Mr. Holmes in 1866 - gave statistics of the last 300 ampu- tations performed at St. Greorge's Hospital. Of these, eighty- three or 27*6 p. c. died. In 1874^ he published statistics of the last 500 cases of amputation, and, of these, 158 or 31 "6 p. c. died. It thus appears that of the last 200 amputations per- formed at St. George's Hospital between 1866 and 1874, 75 or 37*6 p. c, died. This result shows that but little benefit had been derived from the recent improvements in surgery as regards cleanliness, &c., apart from the use of strict aseptic treatment, because the majority of these cases were treated after attention had been called to the subject by Mr. Lister's writings. ]M.r. Erichsen^ says that the mortality after great amputa- tions varies from 35 to 50 p. c. The results obtained at St. Bartholomew's Hospital were brought forward by Mr. Savory at the meeting of the British Medical Association at Cork ''in 1879 to show what could be done simply by cleanliness and good ;vir independently of aseptic treatment. The report published in 1880^ shows that of 619 operation cases of all kinds (excluding eye operations) 45 or 7*2 p.c. died. Many of these operations were of very minor importance indeed. They included, however, 73 major amputations with 11 deaths; 13 excisions of joints with 4 ' D'lf conservatire Chirtm/ic dcr (riieder, Breslau, 1854. ''■ St. Gcorge\'( Hofiintal Reports, vol. i. ' Ihid. vol. viii. * ' On Hospitalism and the Causes of Death after Operations,' 1874. "' Brifixh Mcdiciil Journal, August, 1879. " St. Bartliohimeir's Ho^jiital R<-pnris. CLEANLINESS: M'VAIL. 415 deaths ; 29 cases of removal of tumours of the mamma, no death; 13 cases of removal of tumours of the tongue, 1 death; 4 lithotomies, no death ; 32 herniotomies, 6 deaths ; 25 teno- tomies, 1 death ; 74 operations for phimosis ; 36 cases of fistula in ano, &c. Among the 45 deaths were 9 from py?emia and four from erysipelas. The causes of death in the other cases are not given. Erysipelas attacked 17 cases operated on, and 11 others. One very striking case is mentioned. The femoral artery was ligatiu'ed with various aseptic precautions for popliteal aneurism. The wound did well till the twelfth day, when haemorrhage occm-red. It was then re-opened without aseptic precautions, and the patient died of pyaemia. Thus, by the use of cleanliness alone, infective diseases are by no means banished from St. Bartholomew's Hospital. In- deed, in considering these results, it must be remembered that a considerable number of the cases were operated on aseptically. How many cases were treated by good surgery and cleanliness alone, without aseptic precautions, and with what results, we do not know. Very good results obtained by methods which are not very powerfully antiseptic were published in the spring of 1880 by Dr. McVail.^ During the preceding three years 107 operations had been performed of which 50 were major operations. Of these 50 cases, 3 died. Among them were 31 major amputations, and the three deaths occurred in these cases ; in one it was due to internal injuries ; in one it followed gangrene of the back, due to contusion ; and in one pyaemia was the cause. The onset of the pyemia in the last case is said to have followed the open- ing of an abscess over the sacrum, and death followed within forty-eight hours — a very rapid course for pyaemia ! Was it simply a case of sapnxjmia, or was the abscess part of the pyaemia? Then there were 3 cases in which joints were opened, viz., one compound dislocation of the elbow, which was reduced, but the local result is not given ; one case of ex- cision of tlic head of tlie radius, resuK not inentioned ; and one case of excision of a metacarpal bone in which some joint was o])ened. ' BrUitili J/rdicfi/ Journal. 416 RESULTS OF ANTISEPTIC SURGERY. Of course these are a very small number of operations in three years, and they were treated in a country hospital, so that the result is not at all surprising ; but when Dr. McVail attempts to draw extensive conclusions from them, and to show that the method of treatment adopted in these cases is better than the aseptic method, he is using a fallacious argu- ment. All that can be said is that under the conditions in which these operations were performed, aseptic treatment was but little necessary, though even here we find that one out of 31 major amputations died of pyaemia. As we have seen, the best surgeons, Mr. Spence or Mr. Savory for instance, even with the use of the most scrupulous cleanliness, cannot reckon on anything like absence of infective diseases. After all, these statistics are not nearly so good as the results obtained by Bardenheuer with aseptic treatment in the Cologne Infirmary in one year.' He had no death among 133 aseptic operations involving bones. These included, ac- cording to MacCormac — 41 amputations (17 of thigh) through bones. 10 ,, at joints (1 at hip). 53 resections (15 of hip and 12 of knee). 2H cases of removal of wedge-shaped pieces of bone. 5 operations for badly united fracture. \ case of trephining. ' MapCormap's Antigej)tic Surgery, p. 29. SUMMARY OF THE GENERAL RESULTS. 417 CHAPTER XVIII. RESULTS OF ANTISEPTIC SURGERY {continued). General considerations. Wounds of, and operations on, healthy joints. Method of treatment adopted in these cases. Definition of the term ' Aseptic course : ' Example. Wounds of healthy joints. Operations on healthy joints. Objections to the value of these cases : reply. Incisions into joints affected with synovitis. Incisions into joints affected with pulpy degenera- tion of the s^movial membrane — a without suppuration, b with suppuration. Volkmann's results : Max Schede : Paul Earth : Saxtorph : Piechaud : Nussbaum : Albert : Hueter : Letievant : Kraske : Reyher : Bergmann. Comparison of Reyher's results with those obtained during the Crimean war, and with Heintzel's. Treatment by irrigation. Necessity for observing the minutest precautions as showni by Mr. Lister's case. Results of removing foreign bodies from joints without aseptic precautions: Larrey : Spence : Paget. So far I have been dealing with general statements; and though these are often not of much use, yet I cannot think that there can be any doubt as to the great value of the facts which I have narrated. Thus, for example, we have had an opportunity of comparing Mr. Lister's results in Glasgow before and after the introduction of aseptic treatment. After be went to Edinbiugh, we were able to trace a very marked improvement following the introduction of the aseptic method; and we also had the opportunity of contrasting the results of aseptic treatment with those of treatment by antiseptics in Mr. Lister's own hands. We were further able to point out that there was a great difference between these results and those obtained during the greater part of the same period, in the same hospital, and under more favourable hygienic conditions, by a surgeon who did not practise aseptic treatment. We have fiu'ther had most striking evidence from abroad showing that in infected hospitals the aseptic method has done what other methods, such as the open method, treatment by E E 418 RESULTS OF ANTISEPTIC SURGERY. irrigation or by antiseptics, could not do. It has not only diminished, but when properly employed, it has abolished in- fective disease. That this result has not been simply due to cleanliness, as has been suggested by some, is shown by numerous facts, such as those mentioned by Nussbaum (p. 394) and Volkmann, and also by the results of the use of thymol (p. 404). Nor must I forget to mention the results obtained in ovariotomy, although these are not test cases. For the peri- toneum has a wonderful power of destroying causes of putre- faction, or of rendering them inert by rapidly removing the fluid in which they might grow. Thus, dust-laden air has been injected into the healthy peritoneal cavity without bad results, though, if ascitic fluid were present, or if the peritoneum were unhealthy, there would almost certainly be fermentation, and probably, as a result of this, depending on the amount and natm*e of the irritating products formed, peritonitis. In the healthy peritoneum, which absorbs fluids with immense rapidity, there is no fluid for the organisms to develop in, and thus they are left in contact with active healthy li\dng tissue, which, as we have seen from experiment, rapidly destroys them. Hence the case of ovariotomy is by no means a test. There are certain cases, however, to which I must now allude, in which there is not the same tendency to destruction of organisms, but where there is opportunity for them to develop, and where the admission of septic dust is liable, as experience has shown, to be followed by very serious conse- quences. An example of such a case is where organisms are admitted into a healthy joint. Here fluid is present, in which they can develop, and here also all parts of the living surfaces are not in contact, and, therefore, organisms may be present in the fluid of the joint and yet not in contact with healthy living tissues. This is, then, a test case, for here organisms, if ad- mitted, will as a rule grow. We must therefore inquire, how injuries which might involve the entrance of organisms into healthy joints behave under the various methods of treatment. Then, again, in chronic abscesses we have similar conditions. Here the fluid is practically under the same conditions as if it were in a flask ; the walls of the cavity are probably not even TREATMENT OF WOUNDS OF JOINTS. 419 healthy. How do such abscesses behave under various circum- stances ? And lastly, although this is not such a test case, Ave know that compound fractures, whether made by the surgeon or by accident, are very dangerous, chiefly on account of their great liability to be followed by infective disease. In this instance the destroying action of the blood clot and of the living tissues can come into play, but nevertheless the movements to which the part, is liable are apt to interfere with their action. Blood clot is only of use as a destroyer of bacteria if it be kept at rest. Wounds of, and Incisions into, Healthy Joints. I have already published the cases which have occurred in Mr. Lister's practice from the end of 1871 up to November 1879,' but I shall introduce these tables here in order to complete the subject. Before, however, discussing the results as a whole, T must mention how the cases have been treated, and what is the usual aseptic course. Wounds of joints are treated on the principles described at page 113. If the case is seen very shortly after the accident (within a few hours) the joint is thoroughly washed out with 1-20 carbolic lotion by means of a syringe and catheter, the wound being enlarged if necessary; the surrounding skin is well washed with the same lotion, a drainage tube is introduced into the joint, a large gauze dressing is applied, and a splint is arranged so as to prevent movement. This treatment is carried out under a spray of carbolic acid. If the wound does not come under obser\'ation till after the lapse of twenty-four or thirty-six hours, a solution of carbolic acid in methylated spirit ( 1 part of carbolic acid to 5 of spirit) is used. If a still longer time has passed since the receipt of the injury, fermentation of the fluids in the joint has generally taken place, and there is but little hope of eradicating it. An attempt may, however, be made by the use of either of the lotions just mentioned, or of a solution of chloride of zinc (40 grs. to the ounce) or of iodoform suspended in alcohol and water. In operating on healthy joints, the various precautions ' British Medical Journal, November, 1879 E K 2 4:^0 RESULTS OF ANTISEPTIC SURGERY. described in the chapters on aseptic surgery must be carefully carried out. As a rule the 1-20 carbolic lotion is used for all purposes. When the operation is concluded, a drainage tube or a horse-hair drain is introduced into the joint so as to provide free escape for the serum, which will probably, for a few hours, be of considerable amount, owing to the irritation of the synovial membrane by the manipulations and by the carbolic acid. The drain can generally be dispensed with in simple cases, such as after the removal of a loose cartilage, in from one to three days. As the residt of these operations, the discharge becomes very slight after the first twenty-four hours. There is no pain nor swelling, in fact no local inflammatory dis- turbance whatever, and therefore, of com"se, no suppuration. Constitutionally the patient remains quite unaffected : he feels well,' eats well, sleeps well, and in fact, thinks it a great hard- ship to be kept in bed for a few days. In the following cases, when I use the term ' aseptic course,' I mean this condition of absence of local or constitutional disturbance. Let me take as an example a case of recent fracture of the patella, which was operated on with the view of obtaining bony union. W. T. set. 37 was admitted to King's College Hospital on Dec. 13, 1879, suffering from a recent simple transverse frac- ture of the patella. The accident had occurred on December 9. Condition on admission. — The knee-joint was much swollen and contained a considerable quantity of fluid. The patella was fractmred transversely and the fragments were about two inches apart. There was a good deal of pain in the joint. Ope^'Cition. — On DecL'mber 13, chloroform having been ad- ministered, Mr. Lister made a longitudinal incision about 4 inches in length over the patella, the various aseptic precau- tions before described being employed. The knee-joint was of course at once opened. A quantity of coagulated blood and fibrous tissue filled up the space between the fragments, and this was removed. A pair of dressing forceps was then passed into the joint and projected against the skin at the most de- pendent part of the outer side of the joint. An incision was made on the projecting point, and by means of the forceps a horse-hair drain was drawn into the joint. The fragments were ASEPTIC COURSE. 421 then drilled obliquely, avoiding the cartilage, and, a piece of strong silver wire being passed along the drill-tracks, the frag- ments were firmly tied together. The two ends of the wire were then twisted together and left of sufficient length to pro- ject from the wound. A drainage tube was introduced into the incision superficial to the patella and brought out of the upper angle of the wound. The remainder of the line of in- cision was stitched. A large antiseptic dressing was applied enveloping the whole of the thigh, and the limb was placed on a posterior splint. The foot of the bed was raised on blocks so as to make the discharge flow upwards. After-'progress. — The after-progress of this case was typical. There was never the slightest pain or constitutional disturbance (see Fig. 77). On the following day (December 15) the dress- jnn Fig. -TEMPERATUUB chart KROM a case op operation FOPv FRACTURE OF THE PATELLA. (No. 21, p. 434.) ing was changed and a fresh dressing re-applied ; there was no pain or swelling of the joint. On December 17, the dressing was again changed, and a portion of the drain was removed from the joint. On December 19, the superficial drain and part of the remaining drain for tlie joint were dispensed with ; most of the stitches were taken out. At the next dressing, on December 24, the remainder of the drain and the rest of the stitches were removed. On December 31, the wound was again dressed, and was found to be quite healed, except a minute speck, where the drain for the joint had been. This was found to be quite healed on January 5, when passive motion was l)t gun. The wire was removed on February 9, and bony union was found to have taken place. WliciMlic patient was discharged on February lo, the movements of the joint were perfect through an angle of 45° ; patient could kick vigorously. 422 RESULTS OF ANTISEPTIC SURGERY. I. Wounds No. Name nnd Age Date of Admission, Operation, and Dis- charge ; with Kesult Injury 1 Frank K., 29 . yl(/,,Nov. 20, 1871. Op., Nov. 20, „ Dis., Dec. 23, „ Result, cured. Little finger-joint fractured in various places. Skin over hand contused. Fourth meta- carpal bone laid bare in the greater part of its extent. Fourth metacarpo-plialangeal joint opened. 2 George G., GO . Ad., June 28, 1872. Op., June 28, „ Dis., Oct. 1, „ Result, cured. Compound comminuted fracture of the humerus, caused by the wheel of a wagon passing over his arm. Humerus fractured in two places ; the lower fracture commu- nicating with the elbow-joint. Patient admitted about two hours and a half after the accident. •) Robert H., 30 . Af]., Mav 12, 1873. Op., May 12, „ Bis., July 17, „ Result, failed ; ampu- tation. Compound fracture of the carpal bones of the left hand. Extensive laceration of the soft parts. Machinery accident. Patient ad- mitted immediately after the accident. 4 Walter S., 42 . Ad., May 17, 1875. Op., Mav 17, „ />/*■., May 21, „ Residt, in process of cure. Wound of metacarpo-phalangeal joint. 5 Francis J. ,48 . Ad., Oct. 4, 1875. Op., Oct. 4, „ iJis., Dee. 4, „ Result, cured. Compound dislocation of the ankle ; the articular surface of the tibia protruding through a large wound anteriorly. Both malleoli torn off. (i Henry W. . . Ad., June 8. 187(!. Op., June 8, „ Dis., June 13, „ Result, cured. Thumb and trapezium nearly torn off, and the carpal joints opened. Gunshot-wound. David S., 13 . Ad., Mav 2, 1877. Op., May 2, „ JJis., after Mr. Lister left Kdinl)urgl). Result, cured. Large lacerated wound of right knee. Large flap of skin thrown to one side. Mud was ground into the cartilaginous surface of the internal condyle of i he femur. The acci- dent resulted from a wheel of a heavy cart passing over patient's leg. MR. LISTER'S JOINT CASES. 423 OP Joints, Little finger amputated ; other parts well syringed with 1-20 carbolic lotion. Wound injected with 1-20 carbolic lotion. Some loose pieces of bone were removed from the lower wound. (Xo portion of the articular end of the humerus was, however, removed.) Wound injected with a solution of car- bolic acid in rectified spirit (1 in 5). Washed out with 1-20 carbolic lotion. The wound was injected with 1-20 car- bolic lotion, and an attemjit was then made to reduce the dislocation. This failing, the articular surface of the tibia, was sawn off, the astragalus being left untouched. Foot fixed at right angles to leg. The thumb, with its metacarpal bone, was removed ; the trapezium was also dissected out. The wound and the carpal joints, as far as possible, were injected with 1-5 solution of carbolic acid in rectified spirit. Shreds of tissue were clipped away, and the cartilage of the condyle was pared with a knife where the dirt was most ground in. The whole of the dirty wound was scruljbed with a nail-brush, and I -20 carbolic lotion, and, in addi- tion, 1-.") spirituous solution of carbolic acid were applied. No stitches were inserted. Tlie limb was ])laced on a posterior splint. Some sloughing and suppuration occurred among the contused parts in the hand, and an abscess formed in the forearm. Entirely healed De- cember 23. Passive movements were begun in December, and could be easily performed. Putrefaction was avoided ; typical aseptic course. The fracture had quite united on August 10. The wound was quite superficial on August 3, and boracic dressing was applied. On August 15, erysipelas attacked the wound. This passed off, and the wounds were quite healed on Sep- tember 20. When dismissed, patient was able to flex his arm sufiiciently to enable him to touch the shoulder of the other side. Putrefaction occurred in spite of the injection ; and, as fever set in, Mr. Lister operated on May 16, removing the carpus and fingers, but leaving the trapezium and the thumb. The flaps were left gaping,and carbolic oiled lint (1-10) was introduced between them. Flaps brought together on May 24. Stump was quite healed on June 25. Putrefaction was avoided. Treated as an out- patient. Wound followed an aseptic course. Aseptic course. The wound was almost abso- lutely healed when the patient was discharged. Joint strong and slighth' movable. The tem- perature was on one occasion as high as 100 deg. Aseptic course. Treated as an out-patient after June 13. On June 31, the wound had almost entirely healed. The wound became filled with blood-clot, the deeper part of which became organised. On May 27, there was a large granulating surface. The wound was quite superficial on June 26, when boracic ilressing was substituted for the carbolic acid. There was at that time very- considerable movement of the knee-joint, with- out pain. Li August 1878, ' patient visited the hospital, walking without any assistance, the two knees being equally useful, except that the injured one was still somewhat stiff." 424 RESULTS OF ANTISEPTIC SURGEli^ I. Wounds Kame and Age Ellen M., 12 Jane D., 50 Date of Admission, Operation, and Dis- charge ; with Result 10 Maria L., CO Henry B., 22 . 12 Samuel M., M ArcliiljMl.lK., lU Ann P., 08 . Ad., Nov. 6, 1877. Op., Nov. (!, „ Dis., Nov. 17, ,, Result, cured. Ad., Oct. 1.5, 1878. Op., Oc-t 15. „ Dis., June 20, 1879. Result, wound of joint cured. Ad.,'Sov. 12, 1878. Op., Xov. 12, „ I)is.. April 19, 1879. Result, in process of cure. Ad.. April 20, 1879. 0/j., April 21, „ Dis., May 30, to coir'e as out-patient. Result, cured. Ad., Julv 8, 1879. Op., Julv 8, „ iJis., Juiy 24, „ Result, cured. Ad., Dec. 10, 1880. Dis., Dec. 24, „ Result, cured. Ad., Aufi;. 11,1881. 0/A, Aug. 12, „ Dis., Aug. 30, „ Result, cured. Injury Punctured wound of ankle-joint, caused by scissors. The accident happened twenty- one hours before admission. Glairy fluid escaped, and a probe passed into the joint. Foot red and swollen. Compound fracture of the lower end of the femur, with splintering of the condyles into the joint. Patient was seen one hour and a half after the accident. (See compound fracture. No. 70.) Compound dislocation of the left ankle-joint, with comminuted fracture of the fibula and fracture of the internal malleolus. Skin in the neighbourhood of the wound much contused. Patient jumped over Waterloo Bridge ; in his descent, he struck hi.'i left elbow against the side of the parapet. The result was an oblique fracture into the elbow-joint, de- taching the internal condyle. There was a small opening in the skin communicating with the fracture. Punctured wound of the left knee-joint, just above the patella. The finger, when intro- duced into the wound, passed into the joint, and felt the under surface of the patella. Synovial fluid escaped. Great pain on movement of the joint. The wound was inflicted about fourteen hours before the patient came to tlie hospital. Incised wound of knee-joint. Incision one and a half inch long. Compound fracture of the olecranon. The accident happened on August 10. and was iunnediately seen by the house surgeon. J MR. LISTER'S JOINT CASES. 425 OF Joints (continued). Treatment Wound enlarged, and joint injected with a solution of carbolic acid in spirit (1-5). ■ The opening in the skin was eulari^ed. The projecting end of the femur was sawn off, and reduction was effected. The wound was washed out with 1 to 20 carbolic lotion. An incision was made into the knee-joint on the outer side, and a drainage-tube was inserted into it, to prevent accumulation of huid. The detached portions of bone were re- moved; wound syringed out with 1- 20 carbolic lotion. Dislocation re- duced. Drainage-tubes inserted. Du- puytren's splint. Wound enlarged ; some sm.-jll fragments of bone removed, and the wound and joint syringed out with 1-20 carbolic lotion. Drainaije-tubes inserted. Joint wa-shed out with 1-20 carbolic lotion, and witli a solution of carbolic acid in rectified spirit (1-5). Drainage- tube inserted; posterior splint applieit. Wound sjTinged out with an emulsion of eucalyptus oil containing iodoform. Surrounding parts washed with 1-20 carbolic lotion. 'I'ube introduced into the joint. On the lOtli the wound was thoroughly washed out with 1-20 lotion anU treated a^eptically. As there was no bed, patient could not be admitted till the following day. On the 12th the wound wa.s again washed out, and, the opening being enlarged, the fragments were brought to;rethcr by means of strong silver wire. l)rainage-lul)e inserted, wounil stitched, straight splint applied anteriorly. The wound had quite healed on November 17. Aseptic course ; dressed four t>mes. When pa- tient was discharged, the ankle was quite nor- mal, with perfect movement. (See Chart I.) Aseplic course. The drainage-tulie was removed from tlie joint on October 28, and the wound of the joint had completely healed on November 21 : the wound in the thigh healed on December 13. As the fracture remained ununited, Mr. Lister injected iodine between the ends of the fragments on February 14. Union not yet oc- curring, Mr. Lister cut off the ends of the bones and wired them together with thick silver wire. The femur is still ununited, but is under treat- ment. (See (yhart IL) Aseptic course. Some portions of the skin sloughed. When discharged, the wound was almost healed, but the ankle-joint was stiff. Aseptic course. Wound completely healed on June .^0. The movements of the joint were then very good, and have since that time steadily improved. (See Chart III.) Aseptic course. The pain on moving the knee ceased a i'ew hours after it had been washed out. The wound was quite superficial when the pa- tient was discharged, an 1 the knee was quite movable. Healing was complete on .July 31. The patient was again seen in October, the movements of the knee being then perfect. Typical asejitic course. Tube removed on Decem- biT 17. When discharged the wound had almost entirely healed, and healing was com- plete in a few days. Knee-joint perfectly movable and leg quite strong. Aseptic course. Some of the stitches were too tight and caused a little irritation, but this subsided as soon as they were cut. Incision healed and stitches removed on .August 16. Orains entirely removed on August 19. The wound liad (|uite healed when the patient was dischargeil. (The ends of the wire which brought the fragments together were cut short, and the cutaneous margins were brought to- gether over I hem, so that the wire reuuiins.) Seen in middle of September — extension per- fect. l'"le.\ion beyond a right angle, and can be , „ Result, cured. Ad., May 6, 1873. Op., May 31, „ Dis., Aug. 15, „ Residt, cured. ^rf., Xov. 19,1873. Op., Nov. 26, „ Dis., Jan. 8, 1874. Result, cured. Ad., Xov. 3, 1873. Op., Feb. 8, 1874. Dis., Sep. 14, „ ResuH, improved. Caries of metacarpal bone and first phalanx of ring-tinger. Loose cartilage in knee-joint. Ununited fracture of olecranon ; fracture ob- lique ; considerable separation of frag- ments. Patient unable to extend the arm. Accident occurred five months previously. Dislocation of the lower end of the ulna backwards. The lower end of the radius was much thickened. Suppuration had occurred in the sheaths of the flexor ten- dons. The movements of the wrist-joint were painless, but limited, more especially as regards extension. Loose cartilages in the elbow-joint. The movements of flexion and extension were impaired, more especially tlie foimer. Pain on attempting to complete these movements. Ununited fracture of neck of right femur. Accident happened IS months before ad- mission. Right limb, 29| in. ; left limb, 31^ in. Suffered great pain; could nei- ther sit nor walk. MR. LISTERS JOINT CASES. 427 Healthy Joints. Remarks Removal of the finger and the whole of the metacarpal bone ; the carpal arti- culations being of course opened. Free incision into joint ; cartilage re- moved. Longitudinal incision over olecranon, the cartilaginous end of the humerus being at once freely cxpised. Ends of fragments refreshed, drilled, and tied together by strong silver wire. Wound left open. Splint applied so as to keep the arm extended. Abscesses opened; end of ulna removed ; drainage-tube introduced into the ■vvrist-joint, which was healthy. Longitudinal incision over externa) con- dyle. Joint opened ; loose bodies (about 200 in number) scooped out. Two drainage-tubes were inserted ; wound stitclied. The limb having been drawn down to full length bj' pulleys, an incision was made over and above the trochanter, and the ends of the fragments were refreshed with the gouge and hammer, the joint being opened in the process. Drainage-tul)(!s inserted into joint; no stitches ; long splint aiul exten- .sion with weight and pulley apjilied. Length of right leg after operation, 30^ in. On April 23, the wound had entirely healed ex- cept a small point at the distal end. Aseptic course. Wound Avas completely healed on August 5. It had been dressed four times. Aseptic course. Knee freely movable. The wound had completely healed on May 2, ex- cept where the wire projected. Dressed ten times. Wire removed on May 19, when union was complete. Passive motion was commenced on April 8, and was performed at each dress- ing. Typical aseptic course. When dismissed, the movements of the arm were almost perfect. In a letter received from the patient some time afterwards, he stated that the one arm was as good as the other. The temperature in this case was irregularlv taken but it was only once above 100° F., and then it was 100-6° F., an evening temperature. Xo local or constitutional disturbance followed the operation. When sent to the convalescent home on August 15, there was still a small sinus, but this soon healed. The movements of the wrist-joint were greatly improved. Healed on December 17. Dressed seven times. Aseptic course. Arm was paralysed at first, owing to the pressure of the tourniquet ; but, under the use of galvanism, this was cured. When dismissed, the movements were much improved. (See paper by Mr. Sampson Gam- gee in Lancet for January 10, 1871.) The tem- perature in this case was only taken once daily, and was only once above 99° F., viz. on the 7norning after the operation, when it was 99*7° F. Healed on March 28 ; aseptic course. Extension was maintained till April 3 ; but when it was at length removed, it was discovered that the weight had been too heavy, and that the limb operated on was longer than the other. VVhcn the patient left the hospital, there was not osseous union, but she was al)le to walk fairly and sit. and the pain which she jirevi- ouslv sull'ered had comiiLetelv disappeared. (See Chart iV.) 428 RESULTS OF ANTISEPriC SURGERY. II. — Operations ox No. Name anil Age Graces., 15 10 Agrcs Edward R., 59 . Alexander — , 26 11 12 James D., KJ John D., 64 Date of Admission, Operation, and Dis- charge ; with Result Ad., Maj- C, 1874. Op., May 14, „ Dis., May 27, „ ResiiU, cured. Ad., Jnlv 1875. 0/>., Jiilv 13, 1875. Dis., Oct. 20, „ Result, cured. Ad., Aug. 12, 1875. Op., Aug. 17, „ Dis., Dec. 16, „ Result, cured. Ad., Xov. 10, 1875. Op., Nov. 16. „ Dis., Dec. 26, „ Result, cured. Ad., Feb. 14, 187 Op., Feb. 14 „ Dis., Mar. 20, „ Result, cured. Ad., May 18, 187 Op., June, 1 ,, i>is., Sept. 8, „ Result, much proved. Disease Ganglion on the back of both wrists beneath the extensor tendons, which had resisted all treatment; multilocular. Ostitis of the tibia; bone much thickened. A sinus was present, leading down to bare bone. Enchondroma of scapula. A tumour had been removed from the same region seven years before the patient's admission to hospital. Four months before admission, patient met with an accident, causing fracture of the ulna a little above its middle, and disloca- tion of the head of radius backwards. Pro- nation and supination were almost impos- sible. Extension could be carrieil slightly beyond a right angle. Patient was run over immediately before admission. Left ankle much bruised and distended with effused bloed. Rupture of rectus fenioris and crureus in* both thighs, the vasti being still attached to the sides of the patella. No power of extension ; though, if the leg were ex- tended, it could l)e kept so. If it became at all bent, the patient fell. MR. LISTER'S JOINT CASES. Healthy Joints {continued). 429 Treatment Both ganglia were removed, the ten- dons being exposed during the opera- tion and held aside. On the right side the wrist-joint was opened, the articular surfaces of the scaphoid and radius beinor seen. Thinking that the case was one of ne- crosis, Jlr. Lister cut down and gouged out a portion of the bone. In doing so, he found the interior of the shaft softened, and converted into a sort of granulation material. In fcraping out this matter, the gouge accident- ally passed into the ankle-joint, which was healthy. Chloride of zinc was applied, and a drainage-tube inserted. The whole of the scapula below the spine, the spine itself, and about (^ne- third of the glenoid cavity were re- moved, the upper border of the sca- pula and part of the glenoid fossa be- in^ left. Jixternal lateral ligament of the elbow- joint divided and head of radius snip- ped off. DraiiiaKC-tubc inserted into joint. Xo stitches. Joint incised and clots evacuated. The vasti wore detached from the sides of the patella. The upper border of the patella was rawed, and the vasti were stitched to it-r-a V-shaped por- tion being taken out of the rectus and crureus. Couiiter-ojienings made on each side of the joint and drainage- tubes inserted. Only one knee opera- ted on. Remarks When dismissed to be treated as an out-patient healing was not complete. On June i', the left wrist was found healed; on June 7, the rii^ht had also healed. Left dressed seven times ; right eight. Drainage-tubes removed Mav 20. Typical aseptic course. Movements of fingers and wrist-joints on both sides were perfect. Temperature irregularly taken. Highest tem- perature was 99'5^ F. When the patient was discharged, the wound had completely healed. There was no pain, and the ankle-joint was freely movable. No constitu- tional or local disturbance followed the opera- tion. A iwrtion of one of the flaps lost its vitality, leav- ing a lar^e deep hole, at the bottom of" which the articular end of the humerus could be seen. This took a long time to fill up, but was com- pletely healed when the patient was discharged. The rest of the wound healed bv first intention. Passive movement was kept up, and when the patient was dismissed, there was good move- ment at the shoulder-joint. (See (^.hart V.) He.aling was complete on Deceml)er 8. Dressed six times ; aseptic course. Passive movements were begun on November 18. When dis- charged, the movements in all directions were verj' fair. When seen again in September 1877, all the movements were almos*; absolutely per- fect. Aseptic course. On March 10, the wound was quite superficial, and boracic dressing was ap- jiliud. Movements of joint normal. Wound went on well for about three weeks, when, owing to the patient pushing his band under (he dressings, the wound putrefied ; l)ut by this time the opening into the joint had dosed, and no harm resulted. When dismissed, the pa- tient could exteml his knee after it had been bent to an angle of 13.5= ; and the other knee being kept c.Nteiided by means of a sjilint, lie could walk withmit fear of falling. (Sec report of case by Dr. Roxburgh in LunccL 1878") (See Chart VI.) ^ 430 RESULTS OF AXTISEPTIC SURGERY. II. — Opkrations on Name and Age 13 Adam W., 7 14 15 William T., 35 (See No. 5.) Frauds S., 40 1(! John S., o Date of Atimission, Operation, and Dis- charge ; with Result Ad., Mav '27, 1877. Op., Julv 6. „ Dis., Auk- 24, „ Result, cured. .4(7., July 19, 1877. Op., Julv 25, „ Z>is., Auk. 11, „ Result, cured. Ad., Oct. 24, 1877. Op., Oct. 20, „ i>/s.. Jan. 11, 1878. Result, cured. Ad., Feb. 6, 1878. Op., Feb. G, „ JJis., Mar. 29, „ .Result, cured. Badly united fracture of tlie lower end of the liumor\is, the lower part of the upper frag- ment pmjectiuff backAvards and locking the olecranon, thus causing inability to ex- tend the forearm beyond an angle of 120°. Of some months' standing. Return of previous symptoms. Transverse fracture of the right patella, pro- duced by striking the bent knee against a bar. Patient was admitted on October 1 2, but insisted on going home, and on being treated by apparatus. As the apparatus did not answer, he now readily consented to the performance of the operation pre- viously proposed. Htcmophilia, with elTusion of blood into the right ankle-joint. Stated that he was kicked on the ankle three days before ad- mission. Patient -was suffering great pain and constitutional disturbance. The joint was tense from the presence of fluid, and, as Mr. Lister feared that suppuration might ensue, he incised the joint. MR. LISTERS JOINT CASES. Healthy Joints (contimted). 431 Two longitudinal incisions made on the posterior aspect of the joint : one be- tween the external condyle and the olecranon, the other between the ole- cranon and the ulnar nerve ; these in- cisions, of course, opening the articu- lation. The projecting portion of the humerus was then removed, the at- tachment of the triceps to the olecra- non process bemg left intact, and a hollow was gouged for the reception of the olecranon process. In order to get complete extension, it was necessary to remove the whole of the external condyle ; drainage-tubes inserted. Elbow-joint opened ; no loose cartilages found, but a number of bodies at- tached to a fringe of synovial mem- brane were removed. A longitudinal incision about three inches in length was made over the patella, when it appeared that the fragments were mutually displaced, and a mass of firm coagulum, mixed with fibrous tissue, interposed between them, so that it would have been im- possible to bring the osseous surfaces into contact except by operative means. This material -was removed, and tlic ends of the fragments were then re- freshed, drilled obliquely and tied to- gether with strong silver wire. An opening was made into the joint on the outer side for the introduction of a horsehair-drain. The wound was clo.scd by stitches, and the limb phiced on a ]iosterior Gooch's splint. An incision was made on each .side of the ankle-joint. A qujintity of dark fluid blood escaped. Horsehair-drain passed through the joint. Remarks The -wounds had quite healed on July 30; dressed six times; typical aseptic course. When discharged, the movements of the elbow- joint were almost abbolutely perfect. fSee Chart VII.) ^ Aseptic course. Wound had healed, and the movements were restored when the patient was discharged. (See Chart VIII.) The wound had completely healed on November 17, except where the wire was. Drain removed from knee on November 4. Incision on outer side of knee healed on November 11. Dressed seven times ; typical aseptic course. Wire was removed on December 21. The splint was left off on January 7. Patella firmly united. There was naturally considerable stiffness of the knee, owing to the limb having lain so long in the splint, but it could be moved with ease through an angle of about 45 deg. Patient would not submit to forcible movement under chloroform, or even to wear an elastic apparatus for gradual flexion. (See Chart IX.) Both wounds had healed on March 22. Ha-mor- rhiige occurred from one of the wounds on the morning after the operation, and recurred at intervals during three days, being at length checked by the application of a solution of per- chloride of iron in glycerine. Wounds were quite superlicial on March 12, and l)oracic dressing was therefore applied. No sujipur- ation ; asejitic course. When discharged, there Avas no pain in the joint: the joint was quite movai)le, and the boy was able to run about. Patient was in liospital in September 1879, on account of bleeding from his linger; the ankle was then in everv respect q"uile normal. (Sec Chart X.) 432 RESULTS OF ANTISEPTIC SURGERY. II. — Operations on No. 17 Name aud A.ge William B., 45 . Date of Admission, Operation, and Dis- charge ; with Result ,4rf., March 18,1879. Op., March 20, „ J),s., May 4, „ Result, cured. 18 Edward W., 12 Ad., .Tan. .5. 1879. Op., Jan. lb. ,. Dis., June 12, „ Result, in procesa of cure. Ununited fracture of the olecranon of nine weeks' standing- Patient could only ini- liertectly extend his furearm. The frac- ture Avas oblique, and, on flexion, there was considerable separation of the frag- ments. Badlv united fracture of the lower end of the humerus, with dislocation of both bones of the forearm backward. Accident happened three months before admission. The movementa of the elbow-joiut were very limited. 19 James P., 34 vld.jMarch 19,1879. Op., March 24, „ Dis., April 2.5, „ Result, right cured ; left in statu, quo. Loose cartilages in both kuw-joint? MR. LISTERS JOINT CASES. Healthy Joints (conttnued). 4:53 Treatment An incision was made on the ulnar side of the postHrior surface of the olecra- non. Ends of fragnients were re- freshed with a chisel and hammer, the joint beini{ of course opened. Fraij- ments were then drilled obliquely and ti'-d tofjether with strong silver wire. Horsehair-drain passed into joini. Wound stitched ; arm placed on a splint in the extended position. On the supposition that the case was simplv one of fracture, a longitudinal incisiiiu was made behind the joint, with the intention of excising it ; but the true nature of the ca.se being re- vealed, it was detennined to avoid in- terference with the bones of the fore- arm. A small slice was sawn away from the lower end of the humerus, which was greatly distorted and thick- ened by callus. The lower end of the humerus was then pared and shaped with chisel and gouge, so as to re- semble the natural form of the articu- lar end of the bone, hollows being gouged for the reception of the coro- noid and olecranon processes. The dislocation was then reduced ; drain- age-lubes inserted, and wound stitched. The reason for preferring this opera- tion to complete excision was to avoid the lagging behind in growth of the forearm and hand, which is so apt to occur after that operation in young children. Having fixed the cartilage in the right knee. Mr. Lister cut down and re- moved it. Drainage-tube y)ut into joint. Two days afterwards, a free incision was made into the other joint, in search of a very small loose cartil- age, which could not be fixed, but which the patient could generally bring by his own manipuftitions to the spot incised. Protracted mani])u- lations on his own part, carried out under the spray with carbolised liands, failed however to bring the body to the wound; nor could it bcdiscovcrHd, after a long search, with the linger and hooks. Remarks The wound had entirely healed on April 9, ex- cept where the wire was. Typical aseptic course. Drain and stitches were removed on March 27. Passive motion was begun on March 31 ; wire removed May 11, the union of the fragments b?ing then complete. When discharged, he was able to extend his arm al- most completely. In a letter received from him in October 1878, he stales that his arm is almost as useful as the other, and that he can carry on his trade as a plasterer, which he could not do before the operation. (See Chart XI.) Aseptic course. Passive motion was begun on the day after the operation. Pronation and supination were perfect from the first, and al- ways continued so. Owing to the movements, a sore remained over the olecranon till April 10, when it had completely healed. Tlie limb was very strong. The movements of extension and fiexion were fair, and were constantlv im- proving when the patient was discharged.* Eo'h wounds followed an aseptic course. Drain- age-tultes remove] fr mi eacii the dav after the ojieration. Kight knee healed April 12 ; left knee h.ni li-aled bef.ire the patient left the iios- pital. Mo veil. cuts on both sides unimpaired. F F 434 RESULTS OF ANTISEPTIC SURGEBY. II. — Operations on Name and Age 20 Andrew G., 28 . 21 William T., 37 . 22 James K., 29 23 1 .Tosepli R., 24 Date of Admission, Operation, and Dis- ch irge ; with Result Ad., June 6, 1879. Op., June 6, ,, 2>is., July 11, „ Result, cured. Disease Ad., Dec. 13, 1879. Op., Dec. 15, „ Dis., Feb. 15, 18S0. Benult, cured. Ad., April 10, 1880. Op., April 12, „ Dis., Sep. 25, „ Result, stiff knee. Ad., Sep. 27, 1880. Op., Oct. 22, „ (See No. 25). Patient was a medical man. He had suffered from bunion, beside the metatarso-phalan- f^eal joint of the great toe of the right foot, for 14 years. Pads, etc., had been used, but without effect. Patient was unable to walk even short distances without great pain, and he could not enter on the prac tice for which his medical education had now qualified him. Recent simple transverse fracture of the patella. The accident happened on Dec. 9. Loose cartilage in the left knee joint. I Ununited fracture of the patella of several months standing. Upper fragment pretty firmly adherent to the anterior surface of the femur. Lower fragment very small Patient cannot walk at all. MB. LISTERS JOINT CASE'S. Healthy Joints {continued). 435 Treatment Mr. Lister made a loiial articulation will be regarded as a very trivial matter, and we have in the list only 3 cases where small joints were opened. ■ But I do not regard wounds of phalangeal joints as such a very trivial injury after all. The cases of compound dislocation of the phalanges which I have seen treated conser- vatively but septically have almost all died. It may be that I have had an unlucky experience, but I have seen that ampu- tation is in the great majority of cases performed for these injuries, and that where they are treated conservatively and without aseptic precautions a great risk is run. The only case of wound of a small joint not treated aseptically which has occurred to my knowledge at King's College Hospital during the last four years died of tetanus. In speaking of ovariotomy I have said that it was not a test case, because the peritoneum absorbs fluid so quickly that the bacteria, if admitted, have no fluid in which they can develop ; and 1 also added that the test case would be where there was •ascites as well as an ovarian tumour, where, therefore, there was fluid in which organisms may devclo]). Such cases have always been regarded as particularly unfavourable for o})eratiou, 4J2 RESULTS OF ANTISEPTIC SURGERY. though surgeons do not as a rule seem to have understood the reason of this. A corresponding condition may be got in the case of joints, more especially in the knee joint in hydrops articuli. The ordinary practice in such cases, if they refuse to yield to the ordinary methods, is to remove the fluid by as- piration. That practice has been found to be perfectly safe ; it is a subcutaneous, in fact an aseptic, operation. In Edinburgh in 2 cases of this kind (chronic synovitis), Mr. Lister made in- cisions into the joints and introduced a drainage tube. In neither case was there the slightest bad result. In the first case the drainage tube was removed on the fourteenth day, and the wound healed a few days later. In the second case the drainage tube was kept in a few days longer, and the wound had completely healed in five weeks. In both instances the disease was cured ; in both the movements of the joint were perfect ; in neither was there any suppuration, inflammation or constitutional disturbance. In King's College Hospital Mr. Lister has made incisions in 3 cases of acute synovitis verging on suppuration, and in all cases with cure without suppuration. In these cases the knee-joint was affected. In 2 the move- ments were good when the patient left the hospital. In the other movement is perfect, but the leg is kept in a silicate apparatus, as the ligaments have not yet regained their firm- ness, and the limb is apt to become over extended. (In this instance the inflammation was much more extensive, affecting the adjacent portions of the tibia and fenmr and producing softening of the ligaments.) Then I must mention, that Mr. Lister's practice in cases of synovial disease of joints where the disease progresses in spite of rest, counter-irritants, &c., is to make free incisions into the joints, and introduce drainage tubes into them. This is done at once, without waiting for the formation of abscesses, in cases where the disease is progressing. In 16 cases so treated since 1871 no pus was present, and of these 16 cases 11, or 68*7 per cent., were cured without any further treatment (ex- cision or amputation), and there never was any suppuration from the joint. In several of the cases considerable move- ment was obtained. The cases were : — 12^ VISIONS INTO DISEASED JOINTS. 443 8 incisions into the knee-joint — no pus — 7 cured without further operation 4 „ „ tarsus „ 2 „ „ 2 „ „ elbow „ 2 „ „ 2 „ „ wrist „ „ „ None of the cases died. Then, as I have said, where suppuration has occurred, the joint is also, in the first instance, simply incised and a drainage tube inserted ; if necessary, further measures can be resorted to afterwards. Of 48 abscesses of joints so treated 27, or 56*3 per cent., were cured without further operation ; and in these there was no more formation of pus after the incision. These cases comprised : — 1J» abscesses of the hip-joint— 13 cures without further operation — 1 death 1 „ 1 .. 11 » )> knee 5 6 »> tarsus 3 2 „ » shoulder 1 o ,, >» elbow 1 7 „ wrist 4 There were three deaths, all of them from tubercular meningitis, confirmed on post-mortem examination. One other case not included here must be mentioned. A patient, a little child, was admitted into King's College Hospital with pyaemia after scarlet fever. Abscesses were present in various joints, and as they were causing him considerable pain, they were opened. The child died two days later. Thus, taking all the cases together, we have 109 instances where joints, healthy or more or less diseased, were opened and drainage tubes inserted ; and of these 109 cases only 3 died, the cause of death in each instance being quite independent of the method of treatment adopted. Leaving Mr. Lister's practice we find records of a number of wounds of joints in the practice of other surgeons. Volkmann, in his first report, mentions the occurrence of 7 wounds of joints and 2 incisions into joints for loose carti- lages without a death. In his last report he adds 24 cases of penetrating wounds of joints making in all 33 cases, distributed as follows, without a death. 444 RESULTS OF ANTISEPTIC SURGERY. Cases Deaths Knee 15 Wrist 8 Elbow 5 Foot 5 No details of these cases are given, and we do not therefore know whether any further operative interference was necessary. In his paper on compound fractures,^ Volkmann adds the fact that 21 compound fractures passing into joints were treated without a death. With regard to these last 21 cases, we have some further particulars. In 2 instances resection was at once performed ; in 5 resection was performed secondarily ; in 3 amputation was performed secondarily ; in 10 there was perfect recovery with freely movable joints ; and in 1 case there was recovery with anchylosis, but the treatment was not commenced in this instance till thirteen days after the injury, and the joint was then already suppurating. In all these cases there was extensive injury of the bones as well as wound of the joint. In 3 cases the secondary operation was performed because the patient was not admitted for some time after the injury, and the joints were already suppurating ; in one case the supervention of gangrene rendered it necessary, and in the other cases the nature of the wound, malposition of the fragments or suppuration of the joint, required it. Of course in considering cases of luounds of joints it must always be remembered, that one can never be certain that all the causes of putrefaction already present have been destroyed, and therefore, the probable result is very different from, i.e. much more uncertain than, that where the surgeon makes the wounds himself, and where, therefore, he has merely to exclude these causes. This is well illustrated in the case of compound fractures. Max Schede, in his work on amputations, states that he has treated 15 cases of compound fracture in which joints were opened. Of these 10 were treated conservatively and healed, in 9 instances (5 of elbow, 2 of hand, and 2 of foot) with movable joints, in 1 with anchylosis, where the case was not admitted for some time, and where there was extensive com- ' ' Diu Behandlung der complicirten Fracturen,' Yolhmaiiiis Sanimlung, Nos. 117-118. RESULTS OF VOLKMANN AND SCHEDE. 445 minution of the tibia, numerous portions of which necrosed. In 2 cases amputation was necessary on account of gangrene ; in 1 case, which was not admitted till ten days after the injury, secondary amputation was performed; in 1 case of elbow injury a partial secondary resection was necessary, and in 1 case death occurred from trismus, the patient not having been admitted till the thirteenth day after the injury, when the joint was already suppurating. Taken together with Volkmann's 54 cases we have 69 cases with 1 death. With Mr. Lister's 40 cases we have a total of 109 cases of injuries to or operations on healthy joints with 1 death, a death which ought not to be reckoned at all, for the patient was not treated aseptically from the beginning. Both Volkmann and Schede mix up the cases in which treatment was commenced at once with those in which the patient was not admitted for some days after the injm-y, and where the joint was already suppurating. If we separate these cases from the 36 instances of compound fractures with wounds of joints, of which we have details, we find that 28 came under treatment within forty-eight hours after the occurrence of the accident, and of these 19 recovered with movable joints ; in 2 cases primary and in 4 cases secondary resection was necessary, and in 3 secondary amputation was performed (twice for gangrene). On the other hand, of the 8 cases which did not come under treatment till forty-eight hours or more had elapsed, none recovered with movable joints, 2 recovered with stift' joints, 4 required secondary re- section, 1 secondary amputation, and 1 died of tetanus. Of course in judging of the effects of the aseptic or other method of treatment in preventing the bad effects liable to follow wounds of joints, the latter class of cases, where treatment is not commenced for several days, ought to be excluded. Paul Earth ' published in 1877 the results of the cases of wounds of the knee-joint which had been treated in the hospital at Basel since 1873. They were 10 in number. Of these 9 recovered with movable knee-joints and one died of exhaustion. The latter was a case of compound fracture of the patella along ' Ein Beitrarf zur Behandhmg der pcrforirenden Wunden des Knicgclvniis, by Paul Barth, Basel, 1877. 440 HESULTS OF ANTISEPTIC SURGERY. with injury to the right side of the head and fracture of the lower ends of both radii ; the result of a fall from the first floor of a house to the street. For four days things seemed to be going on well, and then the patient began to complain of pain in the knee. The wound on the forehead began to sup- purate, and the bone became bare. The patella also necrosed. An abscess formed in the thigh, and the pus had a foul smell. The patient sank, exhausted from the prolonged suppurations, about six months after the injury. In this case purification had not in all probability been successful in the first instance. Among these 10 cases we have 6 which were seen soon after the injury : the other 4 having come under treatment several days later when suppuration was commencing, or had already begun. The success in purifying the wounds in these 4 cases is remarkable ; they all recovered with movable joints. In puri- fying them, the wound was swabbed out with chloride of zinc, and then irrigated with strong carbolic lotion, several counter- openings being also made. The successful disinfection in these cases was a piece of luck, for one can by no means reckon on anything like such a result. Saxtorph of Copenhagen has published the results of his aseptic practice in removing foreign bodies from joints by free incision.' He has had 12 cases, 11 being cured and one end- ing fatally. In this case the patient took off the antiseptic dressing, suppuration ensued, and the patient died. Piechaud ^ has collected a number of cases of incisions into joints. He gives 4 cases of hydrarthrosis of the knee-joint which were treated by free incisions and aseptic drainage. They were operated on by Panas, Poinsot, Saxtorph and Lind- paintner. In 3 of the cases there was perfect cure with free movement of the joint. In the fourth case, in a strumous subject, there was some fear that synovial disease was going to develop, and therefore the patient was discharged wearing a silicate apparatus with which he could walk about without pain. Piechaud mentions 3 cases of dislocation of the thumb where, in order to reduce the dislocation, free incisions were ' Clinique Chirurgicale. * De la potiction et de Vincision dans les maladies articidaires. Par le Dr. T. Piechaud, Paris, 1880. NUSSBAUM: ALBERT: HUETER : LETIEVANT. 447 made into the joint. All recovered with retention of the normal movements. In a fourth case, the finger, which was otherwise much injured, became inflamed, and amputation was performed on the following day. Piechaud also states, that in the course of the year he had seen in M. Labbe's clinique at the Lariboisiere several similar cases where wounds of the phalangeal joints healed by first intention when treated aseptically. Professor Nussbaum,' states in his work on aseptic treatment, that * this method opens up a new field to surgeons. By the aid of these precautions, joints and the cavities of the body may be opened without danger.' This is his experience in an un- healthy hospital. Professor Albert ^ of Innsbruck says ; ' Die operative ErofF- nung seroser und synovialer Hohlraumen die bei oflfener Wund- behandlung regelmassig zur Eiterung fiihrt, fiihrt unter Lister nicht zur Eiterung. Man kann Hydrocelen, Cxelenke, Schleim- beutel ohne Gefahr eroffnen.' Professor Hueter of Grreifswald says ; ' it is with reason that I said in 1870 that puncture of joints ought to he considered as a dangerous operation ; it is with as much reason that I now affirm (1876) that one can practice this operation without danger. I based my first opinion on the septic accidents con- secutive to the inflammation.' M. Letievant of Lyons also says : ^ ' Des tentatives operatoires nouvelles, tres-graves, devant lesquelles on pouvait hesiter, ont pu etre mises en application, et si je n'avais eu la securite que me donnent mes statisques et une pratique deja longue du pansement listerien, je n'aurais jamais ose ouvrir largement des grandes articulations, les luxer pour les nettoyer, remettre les OS en place, drainer et conduire la plaie a guerison.' Kraske gives details of all the gunshot injuries of joints treated at Halle aseptically.'* They were 4 in number, and, in all the cases, the knee was the joint involved. In one case the movement was perfect, healing having taken place without ' Le pansement antiscptique, 1880, ^ Lehrbuch der CJiirurgie, Wien, 1877. ' Note sur le Panscjiirnt antiKcptiquf Listerien. Lyon, 1880. * Ji?.ngenbeck's Arr/rir, vol. xxiv. 448 RESULTS OF ANTISEPTIC SURGERY. the occurrence of suppuration. In a second it was not abso- lutely perfect, but it was almost right, and was improving ; na suppuration. In a third the movements were good as far as a right angle, when the patient left the hospital. In the fourth case the patella was very much broken up by the bullet and portions of the bone afterwards exfoliated. The wound had quite healed in two months. When the patient was discharged about two and a half months after the accident, the patella was freely movable and the joint could be moved by the sur- geon to an angle of 150°. The patient did not return to have the passive motion kept up, and when seen a year after the accident, the joint was anchylosed. I have already alluded to the remarkable results obtained by Dr. Carl Eeyher ^ during the recent Kusso-Turkish war, and I must now mention in detail these results in cases where joints were injured. Reyher divides the cases treated into * Primary antiseptic cases,' ' Secondary antiseptic cases,' and ' Non-antiseptic cases.' By ' Primary antiseptic ' cases he means those which were treated aseptically from the very first, and which had not been examined beforehand with dirty fingers or instruments, or treated in any way. In these cases Reyher either washed out the wound with an antiseptic solution, removed any foreign bodies present, drained and treated aseptically, or he did not wash out the wound at all, but simply contented himself with purify- ing the exterior and applying an antiseptic dressing. In the latter cases he trusted to Esmarch's idea that the bullet would not carry dust into the interior of the wound. The former practice was adopted where the wound was gaping, and where there was a suspicion that portions of clothing, &c. had been carried in with the bullet ; the latter practice, where the edges of the skin were lying together, and where it was thought that the bullet had not carried any extraneous matters with it. By * Secondary antiseptic ' cases he means those which had been examined or treated in some way opposed to aseptic principles before coming into his hands. In a few cases suppuration had already commenced. He tried to purify these wounds by washing them out with carbolic lotion, but the attempt was seldom ' Volkmann's ,S:r/ww/«/(./7, Nos. H2-14:?, 1878. GUNSHOT WOUNDS OF JOINTS. 449 successful. They are, therefore, as I have ah'eady pointed out, cases treated with antiseptics, not aseptically. The ' Non- antiseptic cases ' were treated either with dry dressing, or with some watery or oil}' application containing an antiseptic. Eeyher demonstrates completely that all the cases which he mentions were perfectly comparable injuries, and that the results must therefore be due to the different ways in which the patients were treated. Every case, with the exception of very severe wounds caused by shell, was treated at the be- ginning conservatively. Forty-six cases were treated by 'primary antiseptics,' and of these 6, or 13 per cent., died. With regard to these 46 cases, however, primary resection was performed in 19, and of these 2 died, leaving 27 cases treated conservatively with 4 deaths, or a mortality of 14*8 per cent. The following wer3 the joints which were injured : — Shoulder Tutal 1 Uealcil 1 Died Pcrcentacre mortality Elbow . 2 2 — Jlip 1 1 100 I), c Knee . 18 15 8 16-6 „ Foot 5 Total . 21 28 4 11 8 .. Eighteen of these cases were treated without washing out the wound ; in 9 the wound was washed out and drained. In none of the 27 was resection or amputation necessary. The causes of death in the 4 fatal cases were as follows : — In the injury of the hip-joint acute infl:uiiniation and septic suppuration occurred : here it was found that the bullet had carried in a portion of the clothing. One case of knee-joint injury died fr(jm fatty embolism within twenty-four hours. One knee-joint case died on the fifth day from htcmorrhage from the divided popliteal artery and vein. The fourth case had not died when the rei)ort was issued, but a fatal result was considered certain from hectic fever and diffuse sup])uration ; I have therefore included it among the fatal cases. Seventy-eight cases were treated by 'secondary antiseptics,' and of these 48, or 61'5 per cent., died. Of the remaining 30 cases, only 8 ultimately retained their limbs, secondary resec- G o 450 RESULTS OF ANTISEPTIC SURGERY. tion being necessary in 15 cases, and secondary amputation Total Lived Died Shoulder- joint 7 4 3 Elbow . . 11 8 3 Hand . 5 4 1 Hip . 4 4 Knee . . 40 6 34 Ankle . 6 4 2 Tarsus . 5 4 1 Total 78 30 48 Percentage mortality 42-8 p. c. 27-2 20 100 „ 85 33-3 „ 20 61-5 „ The causes of death were in 17 cases pyemia ; in 16, septic inflammations ; in 4, very acute suppuration of the joint ; in 9, hectic ; in 1, carbolic acid poisoning; and in 1 there was jaundice. Contrasted with these two sets of cases, there were 62 where no antiseptic precautions were taken. Of these 39, or 62*9 per cent., had died when the first report was issued, but in the Appendix we are told that 9 more had died, the mortality being thus raised to 77-4 per cent. The causes of death in the 39 cases were, in 23, from pysemia ; in 6, from septic inflamma- tions ; in 6, from hectic ; and in 1 the cause was unknown. The joints involved were (first report) : — Total Healed Shoulder . 7 Elbow 11 Wrist G 1 Hip . 4 Knee 23 1 Ankle 11 1 Total . 62 3 Under treatment Died Percentage mortalitj 4 3 42-8 p. 5 6 54-5 „ 3 2 33-3 „ 1 3 75 4 18 78-2 „ 3 7 63fi „ 20 39 02-!) The amended table a montli or two later would probably be Total Healed Under treatment Died Percentafje mortality Shoulder . 7 3 4 57-1 p. c. Elbow 11 5 6 54-5 „ Wrist (; 1 3 2 33-3 „ Hip . 4 4 100 Knee 23 1 () 22 l)o-6 „ Ankle 11 ] 1 !) 81-7 „ Total . «2 3 12 47 7.V8 .. GUNSHOT WOUNDS OF JOINTS. 4ol One additional case died, but I do not know what joint was injured. The number of limbs treated ultimately conserva- tively is not mentioned. A similar result is obtained if similar injuries are compared. Thus take the wounds of the knee-joint ; and first the cases in which the bullet became embedded in the bones and in which conservative treatment was tried. Treated conserva- tively to eiirl Intermediate amputation Secondary amputation 2 > 8 s o H > o S > o o o ri S 4 5 o 5 5 "3 o H 4 15 9 t'a - o 9H-3 100 Primary antiseptic . Secondary antiseptic Non-antiseptic . 4 8 4 4 8 4 2 2 1 These facts are surely striking enough. Out of 28 cases of wound of the knee-joint where the bullet became embedded in the bones only 5 lived, and of these four were treated asep- tically and retained their limbs. One case recovered which was treated with ' secondary antiseptics,' but only after secondary amputation. The results are equally striking if we take all the cases of wound of the knee-joint. Primary ~|^ antiseptic / Secondary "\ antiseptic / Non-anti- i septic J Treated conserva- tively to the end Secondary resection Interme- diate ampu- tation Secondary amputation Total Recovered 6 (5 3 18 6» o I s 1 6 'A 9 S 7 d 12 13 s 6 'A % 5 so k? a « S o lfi-6 sr,- 78-2 -23 c « ■ s 15 'S tn 18 19 9 9 11 18 40 23 3 31 18 1 * II.-ul did ;i( time of report. (The last line must be amended, for ultimately only 1 of (1 a 2 452 RESULTS OF ANTISEPTIC SURGERY. these 23 non-antiseptic cases lived. Hence the percentage mortality was 95 '6. ) Thus, of 18 aseptic cases 15 recovered, all with movable joints. The causes of death in the 3 aseptic cases are given on p. 449. Of 63 cases treated otherwise, 7 recovered (5 after amputation, 1 with a stiff knee, and in 1,1 think, the knee was movable). These results are surely convincing. Keyher truly remarks, ' Das scheint mir eben das Bemerkenswerthe zu sein ! Nicht dass Knieschiisse conservativ heilten, sondern dass von 18 Knieschiissen welche mir ohne Auswahl auf dem Verbandplatz zugingen und welche an Schwere der Verletzung den andern nicht nachstehen, ein so grosser Procentsatz, uamlich 83*3 pro cent, mit Erhaltung und Beweglichkeit des Gelenkes geheilt ist.' Bergmann ^ also got some remarkable results by a smihir method of treatment during the same war. When the wound was valvular he did not wash it out at all, but simply purified the exterior and applied an aseptic dressing. ' After the storming of Telisch and Gorni-Dubnik 15 cases of compound fracture of the knee-joint came under treatment, mere injury of the capsule being excluded from the list. Of these 14 re- covered, 2 after amputation, and 1 died, also after amputation.' (MacCormac.) In comparing these results from gunshot injuries with those obtained by other surgeons, INIacCormac says: ' Hennen, l^arrey, and Guthrie all agree that gunshot wounds of the knee-joint demand amputation, as the result is otherwise fatal. Guthrie states in his book that he cannot recollect a case of recovery after gunshot fracture of the articular ends of the bones. Ijongmorfe tells us that in the Crimea not a single man wounded in the knee-joint recovered without amputation.' Such state- ments at once do away with any objection which might be made to Reyher's cases, to the effect that 18 is a vei-y small number of cases; for among these there were no less than 15 recoveries with movable joints, a result not obtained at all according to Longmore throughout the Crimean war, and not ' Ueber die BclmncUung der Schnsswuiidcu dcs KnictjcJciiks in Krirrjv. Stuttgart, 1878. GUNSHOT WOUNDS OF JOINTS. 458 obtained in the 63 other cases mentioned by Eeyher. Indeed, if we were to work out Reyher's tables, we should find that of 600 cases of gunshot wound of the knee-joint treated with antiseptics, but not aseptically, only 15 would retain unmuti- lated limbs, and the joints would be stiff. On the other hand, we only require to take 18 cases and treat them aseptically in order, not only to retain 15 limbs entire, but also to retain movement in the joints. The proper proportions would perhaps be got by comparing Reyher's aseptic results with those obtained during the Franco- Prussian war, as published by Heintzel.' These cases were treated in a variety of ways; by antiseptics, aseptically, by the water-bath or irrigation, by the open method, &c. Thus the results are by no means so unfavourable as during the Crimean and other wars. The sanitary arrangements were also better. In fact the treatment was much more antiseptic than formerly. Heintzel gives details of 529 cases of gunshot wounds of the knee-joint which were treated at the first con- servatively. In 288 instances amputation was afterwards necessary ; of these 225, or 78*2 per cent., died ; of the 241 in which conservative treatment was carried out to the end, 109, or 45'2 per cent., died. Thus, of 529 gunshot wounds of the knee-joint treated in a variety of ways, generally more or less antiseptically, only 132 or 24*9 per cent, recovered. Compare with this result Eeyher's 83-3 per cent, of recoveries where the aseptic principle is thoroughly and logically carried out. I can find no statistics of the results obtained in similar injuries or operations by other methods of antiseptic treatment. We have seen in Eeyher's paper the result of treatment by antiseptics. Treatment by irrigation, unless a strong antiseptic lotion is employed, is hardly suitable for these injuries, for there are so many opportunities for retention and fermentation of discharge in the interior of a joint. Treatment by water-bath is no doubt sometimes good, but only as kee-phig dcwn the inflam- mation, not as preventing the suppuration. The only method which prevents inflammation and suppuration is the aseptic ' Deutsche militairarzlliche ZeilKchrift, 1S75. 454 RESULTS OF ANTISEPTIC SURGERY. method, whether it be carried out by operating subcutane- ously, or by making a crust, or by the use of antiseptics in the manntu- recommended by Mr. Lister. The latter is, I believe, the only method by which a wound in a joint may be kept widely open for some days without the occurrence of inflamma- tion or suppuration. In order, however, to obtain this result, it is necessary to observe the minutest precautions- before detailed, and to act in the very strictest manner in accordance with the particulate theory of fermentation. It is the omission of this care which leads to the failures which are recorded as failures of the aseptic method, but which are really failures on the part of the surgeon who attempted to carry it out. Surgeons are too apt to regard the omission, of details, such as the purifi- cation of hands or instruments, as 'trifling oversights,' ^ and it is by so doing that they fail to obtain the results they are led to expect, and that we have such an amount of contradictory evidence before us. That no precaution is too minute to be attended to, is well illustrated by ]Mr. Lister's case of removal of loose cartilage from the knee-joint (No. 22, p. 434), which was referred to by him at the meeting of the British Medical Association at Cam- bridge in 1880. The case was one of loose cartilage in the knee-joint of a strong healthy man which was removed with aseptic precautions by Mr. Lister. The operation was per- formed on April 12, 1880, and there was no difficulty in its performance. After the cartilage had been removed, a drainage- tube was inserted into the joint, and a small dressing was applied. The same evening the discharge was so profuse that the dressing had to be changed. The discharge had no smell, and I may say that throughout the case it was entirel}' free from odour. On April 13, twenty-four hours after the oj)eration, a speci- men of the discharge was taken from the drainage-tube, and after staining with methyl violet, it was found to be full of organisms. These organisms were very small, and on careful examination they were found to be of a distinctly oval form and arranged in pairs. In some parts it was very difficult to ' See Mr. Holmes's report of a case in which he operated for ununited fracture of the patella in the St. George's Hospital Iteports for 1880. NECESSITY FOR THE MINUTEST PRECAUTIONS. 455 say whether they were round or oval (see Plate V, Fig. 36). There was none of the characteristic grouping of micrococci, no threes in triangles and no pairs side by side. This was seen not to be due to their being all in pairs, for chains of several individuals were found, but nowhere the micrococcal grouping. Again, in a specimen of this pus kept moist on a slide for twenty-four hours, very long chains were found, but no masses or typical micrococcal formation. Hence, from the microscopi- cal examination alone, I concluded that these organisms were not ordinary micrococci, and other evidence will be mentioned immediately which supports this view. They were probably bacteria or micrococci of a peculiar kind not causing -putrefac- tive fermentation, but the products of whose growth were very irritating, for that is the only way of accounting for the profuse discharge from the interior of the joint. Redness occurred around the wound, and spread a little distance up the thigh. In the meantime, the patient's tem- perature became high and the constitutional disturbance was considerable. On April 15, there was still profuse discharge, now distmctly purulent, but no smell ; and in the stained specimens of the dis- charge taken on this day, the organisms presented exactly the same characters as on the 13th. On the 16th, a quantity of pus was pressed out of the joint ; an incision was also made into the inflamed part in the thigh and a quantity of sero-purulent matter escaped. A drainage- tube was inserted into this abscess. On April 18, the state of matters continued the same. In the stained specimens of this day's discharge, numerous organ- isms were seen, many of which were distinctly oval in form, but a large number were round (Fig. 37, Plate V). Two flasks of cucumber infusion were inoculated from the wound on this day, but no developfnent occm-red in them. In spite of the incision into the thigh, the suppurative in- flammation spread, and a large abscess cavity was soon formed. As the drainage of the joint was not good, an opening was made on the outer side and a drainage-tube inserted. There was distinct improvement after this. The acuteness of the process soon began to abate. 45G RESULTS OF ANTISEPTIC SURGERY. On April 22, the discharge from the drainage-tube of the abscess was found to contain organisms of the same characters, though fewer in number than formerly (Fig. 38, Plate V). On this day a flask containing iinieat infusion, and one con- taining cucumber infusion, were inoculated with discharge from this abscess, but no development occurred in either. The state of matters continued with but slight improvement, and organisms were always present, though not so numerous as at first. On April 27, a flask containing alkalised cucumher infusion and a fresh egg were each inoculated with discharge from the inner side of the knee, but no development occuiTed in either. And on April 30, two eggs were inoculated with discharge from the outer side of the knee without any result. On ]May 9, discharge taken from the abscess cavity showed the presence of organisms few in number but possessing the same characters as formerly. A flask of pure vitreous humiour of a sheep and a flask of ordinary cucumber infusion were inoculated from the abscess cavity. Nothing developed in either fluid. With regard to the ultimate result in this case, I may say that improvement now began, and healing was complete and the limb restored to a sound state, during the month of Sep- tember, though there had been very little indeed to heal for a month or six weeks previously. There was a considerable de- gree of fibrous anchylosis. The patella was quite movable laterally, and there was a little movement between the tibia and femur, Avhen the patient was discharged. Now, first as to the nature of these organisms. They were certainly not ordinary micrococci, for they had not the same appearance or mode of growth, and also they did not grow in any of the various materials into which they were introduced. The micrococci of which I have spoken in a former part of this work, and, indeed, any which I have as yet come across, would have grown with great readiness in several of these fluids. This was evidently a peculiar form of organism (probably bac- terium), not causing putrefaction, but nevertheless, locally of a very noxious character. Had it not been for the microscopical examination, one might have concluded that no organisms were 2s^ECESSITY FOR THE MINUTEST PRECAUTIONS. 457 present and been puzzled to explain the phenomena on anti- septic principles, on the supposition that organisms were absent. How did they get in ? If the aseptic method is sufficient, as I have asserted it is, how were these organisms admitted ? As we have already seen, the only organisms which usually get into aseptic wounds are micrococci. Here the organisms differed in many respects from those ordinarily found, and the ordinary forms of micrococci were absent. Hence they probably did not get in in the same way as micrococci usually do, that is, as I have previously shown, through the dressing ; for the ordi- nary forms of micrococci are the first to enter, and would, I think, have been found had that been the explanation. Not only so, but these organisms must have got in at the time of, or very soon after, the operation, in order to be present in such numbers on the next day and also to account for the imusual amount of discharge on the evening of the operation. And they did not get in through the circulation, for there also micrococci are found as a rule first, and here there was no disturbance of the general health to accoimt for their existence. Whence, then, did they come ? Were they perhaps spon- taneously generated ? Truly an awkward sort of spontaneous generation for the patient ! But why should the mere removal of a loose cartilage from a joint lead to the spontaneous develop- ment of organisms in it ? There was no formation of a vacuum in the joint. There was no change in the physical forces. There was no introduction of cheese a la Bastian into the wound. If organisms were to develop spontaneously in the joint, why did they not do so the day before the operation rather than immediately after it ? I need not pm-sue the many arguments against this view; for we have previously seen that in exact proportion to the care in making experi- ments do the facts supposed to favour spontaneous generation disappear. Two explanations therefore remain. Either we had here to deal with some form of resisting spore, or with one which escaped the action of the carbolic acid, or there was some loop- hole in the method. The former supposition I am inclined to reject, for various reasons which I cannot discuss here : we 458 RESULTS OF ANTISEPTIC SURGERY. have certainly had no previous experience of bacteria resisting the means employed. There was, however, I believe, a very distinct loop-hole in the method as practised at that time. This is alluded to at length on p. 79. I had long thought that the drainage-tube might carry into a wound dust-laden air in its interior, if the air which entered the tube on removing it from the carbolic lotion were not purified by carbolic spray. This is the explana- tion I offer here, viz. that the air carried into the wound by the drainage-tube was not pure air, but contained a particle or par- ticles which gave rise to this particular form of organism. On mentioning this to Mr. Lister, he at once saw the force of the argument, and since that time he takes precautions to prevent the recurrence of a similar accident. It is just possible that the fault lay in the fact that a very small dressing was applied at the time of the operation, and that they got in through the dressing. But then they must have got in during or very shortly after the operation, in order to produce the rapid effect which followed. And also, as I have just stated, the ordinary forms of micrococci would probably have been found in that case. The only other explanation would be, that there was some error in the manipulations. But though, no doubt, faulty manipulation is almost the constant cause of failure in those commencing the practice of this method and in those who have practised it, when the operation is difficult and requires much thought, yet here there was a simple operation, the im- portance of the aseptic precautions were fully present to the mind, and I do not think that, especially in the case of Mr. Lister and his assistants, this explanation is in this instance the most probable one. Whichever explanation, however, be correct, the case is of great importance, as confirming the views expressed before, as illustrating the necessity of excluding organisms of all kinds, and as showing the results which may follow the admission of bacteria to wounds. It is also of in- terest, because it shows that forms of bacteria may be present without the production of smell, and thus, because a discharge is ' stueet, ' it is not necessarily ' aseptic' The difficulty which was experienced in finding the organisms before the pus was VALVULAR METHOD OF OPENING JOINTS. 459 stained also warns us how careful we must be in deciding whether organisms are present or absent from wounds. Cases have been published where disastrous consequences have fol- lowed incisions into joints, but where the surgeon has asserted that the discharge was sweet and free from organisms. Ac- cording to recent investigations, however (p. 253), we know that the pus of acute abscesses and from acute suppurations always contains organisms, generally micrococci ; and therefore, in the published cases in which the assertion to which I have alluded has been made, it is clear that the presence of organ- isms has been overlooked ; for if no other form was present, micrococci were sure to be there. Various facts are known as to the removal of foreig'n bodies from joints without aseptic precautions. A number of these have been referred to in the historical part, and I will here content myself with quoting some figures from a paper pub- lished by M. Larrey in 1861. As we have seen in considering the History of Antiseptic Surgery, the valvular method intro- duced a considerable amount of security into these operations. Larrey groups the results of the direct and of the oblique, or valvular incision together, but the details are very meagre. He mentions 132 cases, of which 30 died ; 7 were unsuccessful or uncertain in result; in 10 he mentions the occmrence of anchylosis ; in 2 of hydrarthrosis ; and in 9 of grave accidents not further specified. There are thus left T-i cases which were possibly cured with movable joints, but he expressly states that all the cases of healing in which accidents occurred are not noted, so that the number of cures is really less. Thus, only about one half of the cases recovered without the occur- rence of some serious complication, yet these results, though apparently so bad, are much more favourable than those which had been obtained by several other surgeons, Larrey contrasts with these cases the results of the operation in which a bed is made outside the joint to receive the cartilage. Of these he mentions 38 cases with 19 cures, 15 failures to extract the cartilage, and 5 deaths. Larrey's statistics express very well the opinions of the majority of surgeons on the dangers of extracting foreign bodies from joints, even when the valvular or subcutaneous 400 RESULTS OF ANTISEPTIC SURGERY. method is employed. If we search the sm-gical text-books we find that there is throughout a fear of such operations or in- jm'ies. Thus, Mr. Spence, in his ' Lectures on Surgery,' says,' * There is no class of operations that I have a greater dread of than the apparently simple one of removing a loose cartilage.' I have no statistics of septic cases, comparable to the asep- tic ones, in which wounds of joints have been kept open for some days ; but, as will be seen in the history of this subject, experieuce has up till recently led surgeons to the conclusion that the safety of the limb and of the patient depends on rapid healing of the wound. And yet, as all the facts quoted show, these operations, when aseptically performed, are really devoid of danger. Sir James Paget says : ^ ' I cannot doubt that operations of this kind ' (referring to incisions of joints with closure of the wound), ' which, in the earlier years of my work, were done with great risk, or, with a wise fear of the risk, were left undone, may now, with antiseptic help, be done with an almost complete safety.' ' See leading article in British Medical Journal^ April 1880. * MacCorraac's A ntiseptie Surgery. RESULTS IN COMPOUND FRACTURES. 401 CHAPTER XIX. RESULTS OF ANTISEPTIC SUEGEKY (cO) it I lilted). CompDUiid fractures. Differences between those produced accidenlallj' and those caused by the surgeon : treatment and after-progress of each class. Tables of accidental compound fractures treated by Mr. Lister : thigh ; leg ; humerus; forearm ; skull ; summary of results. Tables of compound frac- tures produced intentionally by Mr. Lister ; femur ; leg ; clavicle ; hume- rus ; forearm ; lower jam. General summary of Mr. Lister's results. Mr. Spence's results. Other operations on bones by Mr. Lister. MacEwen's osteotomies : Volkmann : Max Schede : Bardenheuer : MacCormac. Com- bined aseptic results. Results by other methods : Volkmann and Fraeuc- kel : Holmes : St. Thomas's Hospital. Reyhers results in war. Open method : Kronlein. Septic methods. I NOW pass on to a second class of cases which are often fol- lowed by most serious consequences : I refer to compound frac- tures occm-ring accidentally or made by the surgeon. Compound fractures produced accidentally and those made by the sm'geon differ from each other in various important par- ticulars. In the first class dust is as a rule introduced into the wound before the surgeon sees the case, and, therefore, the problem is to destroy the energy of this dust. VV^hether such an attem])t is successful or not, must of coiu'se always be a matter of doubt ; and hence the results are uncertain. Then, also, the violence is often very severe and complicated with other injuries or with shock, and in this way life may lie lost from causes which could not be avoided by any method of wound treatment. On the other hand, in the second class of cases the surgeon has only the ordinary aseptic problem before him, and if he is justified in other cases in looking with cer- tainty for good results, he ought to be equally justified here. He is also independent of the other injuries and shock which so often comi)licate accidental coni])oun(l fractures, and, there- fore, the mortality ought also to be less. If we remember 462 RESULTS OF ANTISEPTIC SURGERY. these differences, we shall be able to form a just estimate of the value of the results. The aseptic course in these cases corresponds to that de- scribed in Chapter XVIII. ; and I need only indicate one or two points in the treatment and after-progress of the injury. The treatment of compound fractures the result of accident has been already described at pp. 113 and 114. It consists in washing out the wounds thoroughly with a strong antiseptic lotion, generally the 1-20 watery solution of carbolic acid or the 1-5 mixture of carbolic acid and methylated spirit. This is done by injecting the lotion through a catheter attached to a syringe filled with the solution, the orifice of the wound being left freely open. In this way, by moving the point of the syringe in various directions, the lotion is introduced with certainty into all the recesses of the wound, while by leaving the orifice of the wound freely open there is no risk of forcing the fluid into the cellular tissue. It is well to clear out all the clots of blood. The skin in the neighbourhood is also thoroughly washed with 1-20 carbolic lotion, the whole being done in a spray of carbolic acid. The wound is left freely open, and in most cases a drainage-tube is passed into the deeper parts and kept in for a few days. In some instances, if there is much tendency to displacement, the ends of the fragments may be tied together with strong silver wire. A large gauze dressing, enveloping the limb, is then applied, and outside it a suitable splint. This dressing is changed on the following day, and afterwards according as it is necessary. After a few days, in compound fractures of the lower extremity, when the discharge has become small in amount, some arrangement like that de- scribed at p. 107 may be employed. The after-progress of these cases depends on whether the causes of putrefaction were destroyed or not by washing out the wound. If they were not, then the case becomes one treated with antiseptics, but not aseptically. If the causes of putrefaction were eradicated, the wound follows an ' aseptic course' (p. 421). In cases of compound fracture, more especi- ally from direct violence, the soft parts are often much con- tused and lacerated, and the bones are sometimes comminuted and much injured. The ordinary result in such cases, when 'ASEPTIC COURSE OF COMPOUND FRACTURES. 463 aseptic treatment is not employed, is, that sloughing of the con- tused and lacerated tissues occurs to a greater or less extent, and very generally portions of the broken fragments of the bone be- come necrosed. This process is accompanied with a considerable amount of suppuration. If, however, the wound is rendered aseptic, and if the irritation of the antiseptic is excluded, this sloughing and suppuration does not occur. The wound be- comes filled with blood-clot ; the interstices between the frag- ments of lacerated tissue also become filled up; the whole remains unaltered for many days, merely assuming a greyish appearance on the surface, but after some days, on scratching this clot, it bleeds, showing that it has become vascularised, and on detaching the superficial layer the greater part, or XVTT Fig. 78.— Temperatcke Chart from a Case of CoixrouxD Fracture, IN WHICH THE ATTEMPT TO ERADICATE THE CAUSES OF FERMENTA- TION WAS UNSUCCESSFUL, AND WHICH THEREFORE BECAME A SEPTIC CASE (Case 26, p. 472). indeed the whole of the wound, will be found to have become covered with epithelium. (This process will be more minutely discussed hereafter.) There is no suppuration at all from the wound, and no separation either of dead skin or tissue, or of dead bone. If, however, no protective be used, or the wound be deluged with strong carbolic acid, the superficial layer of the clot becomes irritated, and when vascularised, granulates, and suppuration occurs from its surface ; at the same time, the portions of dead tissue being impregnated with carbolic acid, become irritating, cause granulation and su[)puration where they are in contact with the living parts, and are thus separated as sloughs. The sloughing in this instance, however, is not as a rule nearly so extensi\e as in the case of a septic wound. 464 RESULTS OF ANTISErTIC SURGERY. The constitutional condition also depends in the main on the success or failiu-e of the attempt to render the wound aseptic. If the attempt fails, the temperature is generally high, as in other septic cases (see fig. 78) ; if, on the other hand, it is successful, the temperature generally remains normal or nearly so, though it may be high for a few hours after the injury (see fig. 79). (I shall not go into this matter further at pre- sent, as I intend to discuss it more fully in a future chapter.) The general well-being of the patient also closely corresponds to the septic or aseptic state of the wounds ; if the wound is septic and the temperature high, the patient generally feels ill, and has other symptoms of fever ; if, however, the wound is BBsaiiii I mH—8Bai Fig. 7'J.— Temperature Chart from a Case of Compound Fracture Which followed an Aseptic Course (Case 23, p. 472). rendered aseptic the patient feels practically iu a normal state of health. In the case of compound fractures made by the surgeon, the progress of the wound and the constitutional state of the patient are similar to those described as typical of operations on joints (p. 421); and I need not repeat what I said there. In performing these operations a free incision is made down to the bone with the various aseptic precautions ; the bone is chiselled or sawn across, or a portion of bone is removed accord- ing to circumstances ; the bleeding vessels are secured ; a drainage-tube is introduced down to the bone ; as a rule, no stitches are inserted ; and the dressing is applied according to the ordinary rules previously described. In a few hours the wound is filled with blood-clot, which becomes vascularised and organ- COMPOUND FRACTURES. 465 ised, and cicatrisation occurs beneath its superficial layer without previous granulation or suppuration. As a proof of this I may- refer to the fact mentioned by Dr. MacEwen, that he had made 835 compound fractures, and that in only 8 of the wounds was there any pus formation, although none of these injuries was subcutaneous. After operations conducted in this way the general state of the patient remains normal. In considering the results of compound fractures, it is quite clear that all cases, in whatever way they are treated, whether by primary or secondary amputation or conservatively, must be mentioned and grouped together in the first instance. For the frequency of primary amputation after compound fracture will depend not only on the great severity of the injury and destruction of tissue, but also on the dangers to which, in accordance with the experience of the surgeon in charge, the patient will be afterwards subjected. If the surgeon feels that the method of treatment which he has been accustomed to adopt in these cases is not such as to secure the patient from the after consequences, he will naturally take into frequent consideration the question of primary amputation. If, on the other hand, he has been led to expect that the dangers incident to these injuries are not likely to occur under the method of treatment which he adopts, he will perform primary amputation less frequently. Therefore, in order to judge of the results of any method of treatment in compound fractures, the number of primary amputations and the sort of injuries in which they are performed must be mentioned. With regard to secondary amputation it must be remembered that these, as well as the fatal cases, are those in which the attempt to treat conserva- tively has failed, and therefore it is not sufficient merely to state the results of cases treated conservatively to the end. In the following tables I have attempted to indicate, as fairly as possible, the nature of the injuries and the after-progress of the cases which have occurred in Mr. Lister's practice since 1872. In some instances the notes have been deficient, but I have tried to render them complete by tracing out these cases as far as I could. II n 466 RESULTS OF ANTISEPTIC SURGERY. I. Compound Fractures, the In considering these I have included all Mr. Lister's cases since 1871 : those requiring primary amputation as well as those treated Comjwund Fractures Name and Age Date of Admission and Discbai-ge ; with Result. Injury A ca^e of extensive, compound fracture of the femur where primary amputation was performed at the hip-joint. Tue patient died almost immediately. There is no record o! J. S., 45 George P., 12 ^f/., .Iune26, 1874. Died., June 26, „ Cause of death was shock. Ad., Sept. 29, 1871. Dis., Feb. 14, 1872. In process of cure. R. P., 17. . (Septic case) Mrs. D., 50 Jd., Nov. 15, 1872. />/W,l)cc. 14. „ Cause of death was bronchitis and car- diac disease. .<4rf., Oct. 1.5,1878. Dis., .lunc 20, 1879. Result, healed. Extensive conipmind comminuted fracture of the femur, and severe laceration of leg Compound fracture of the femur from a fall. Direct violence. Two railway trucks jiassed over his le,n, causinj; a' simple commmuted fracture ot both bones of the leg, and a simple commi- nuted fracture of the thigh. The skin over the fracture of the femur sloughed, and the bone protruded on November 22. Patient was sulfering from cardiac disease. Compound fracture of tlie femur. There were thus five compound fractures of the femur, of which two were amputated primarily, both dying of shock ; and three were treated conservatively, one of these dying of bronchitis and cardiac Coiiijioitnd Fractures William K., 12 A. R., 18. Ad.. .Tune 17, 1872. Died, same day. Cause of death was shock. Ad., April 7, 1874. Din., Sept. 3. 1874. Result, cured. Compound fracture of left leg and right thigh. Skin torn off for a considerable distance. Patient in a slate of collapse when ad- mitted. Leg crushed l>y a beam. Severe compound comminuted fracture of the leg. MR. LISTERS COMPOUND FRACTURES. 4(37 Result of Accident. conservatively or amputated secondarily. I omit the lesser compound fractures of the hand and foot. of the Femur (accidental). Treatment Remarks the case in the books, but I know that it occurred. Primary amputation just below the trochanters. Wound injected -with 1-20 carbolic lotion. Opening enlarged. Drainage-tube in- serted, and splints applied. An attempt was made to keep the plough sweet, liut ]uitrefacti(in liad already occurred, and therefore the attempt was unsuccessful. See No. n, p. 424, and No. 70. Patient was unconscious when admitted, and never rallied. He died in about tAvo hours. Cause ot death was shock. The bones had firmly united on November 14, and ihc patient seems to have done well. On January 19 the sinus had not yet closed, and Mr. Lister introduced a pair of sinus forceps to see if there was any loose bone. No precau- tions were used to' disinfect the air which entered (no spray or carbolic lotion), and putre- faction seems to have followed. When the patient was discharged there was still a piece of bare bone to be felt, but he was in perfect health. ^ Abscesses formed about the knee and higher up in the thigh. The notes are incomplete, Imt the patientisentered in the hospital books as having died of bronchitis and cardiac disease, from which he was suffering previous to admission. (This was a septic, not an aseptic, case, so that whatever was the cause of death, it does not influence the result in aseptic cases.) Aseptic course. The wound healed, but the bones did not unite. (See T. Chart II, p. 438.) disease. This last was, however, a septic case, and therefore all the cases (two in numlier) of compound fracture of the femur treated conservatively and aseptically recovered. of the Le(j {accidental). Primary ami. utation through the upper Patient never rallied, but died in (wo or three i of left leg and upper I of right thigii. hours from shock. Primary junputation. (Modified Carden.) For some lime Ijir p.i(i(.ni stiO'ered from carbolic poisoning, but after tlie carbolic dressings were left off and boracic dressings were substituted for them, he soon recovered, and the stump healed slowly. H H 2 468 RESULTS OF ANTISEPTIC SURGERY. I. Compound Fkactures, the No. 10 12 Name and Age F. D., 22 . James B., 18 R;H., 25. George A., 41 George S., 24 (Septic case) 13 James D., 24 Peter M., 22 (Septic case) 15 Anne L., 60 Date of Admission an/.s., March 13, 1874. Result, cured. Ad., Aug. 3, 1874. Dis., Sept. 13, „ Result, cured. ^rf., March 17, 1874. Dis., April 27, „ Result, cured. Ad., July 1, 1872. Died, 3n\y 3, ,, Cause of death was exhaustion. ^rf., March 15,1872. Died, May 20, „ Cause of death was diphtheria. Ad., Aug. 2, 187 Dis., Sept. 17, ,, Result, liealcd. Ad., Sept. 9, 1872. /-»«., Oct. 31, „ Result, cured. Ad., Oct. 28, 1872. Died, on same day. Cause of death was shock. Injury Railway engine passed over leg, almost sever- ing the foot, and producing a severe com- pound comminuted fracture of the leg. Raihvay engine passed over his ankle, crush- ing the bones very severely. A consider- able amount of shock. Very severe compound fracture of both bnnes of the leg. Foot drawn through a port- hole of a vessel by an anchor chain. Compound comminuted fracture of both bones of the leu. Compound comminuted fracture of both bones of the left leg. Fracture of right thigh with very severe bruising. Patient almost moribund. The wheel of a cab passed over the leg, causing a compound fracture. Small wound. Severe compound comminuted fractnre of both b(mes of the leg. Leg crushed by a heavy stone. Compound comminuted fracture of the leg. Also fracture of the pelvis. Patient mori- bund when admitted. MR. LISTERS COMPOUND FRACTURES. 469 Result of Accident {continued). Primary amputation through the calf. Primary amputation through the upper third of the leg. (Modified circular.) Primars' amputation just below the knee. (Modified circular.) Wound enlarged and injected with 1-20 carbolic lotion. Wound left open. Wounds washed out with 1-20 carbolic lotion. (Secondary amputation.) Wound enlarged and injected with 1-20 carbolic lotion. Wound left open. Washed out with 1-20 carbolic lotion. (Secondary amputation.) Wound injected witli 1-20 carbolic lotion. Remarks Haemorrhage occurred on several occasions in connection with a portion of the anterior flap which sloughed, but the rest of the wound did well, and the whole was quite superficial on February 1, and quite healed when the patient was diachargeJ. Aseptic course (i.e. no local or constitutional dis- turbance). The wound healed by first inten- tion except where the drainage-tubes were and at the centre of the flaps, where a little gaping occurred. The wound was absolutely' healed on September 18. The line of incision healed for the most part by first intention. A slight tendency to gaping at the centre of the incision was easily overcome \>y the use of strapping applied aseptically. Wound was quite healed when the patient was discharged. Patient got gradually weaker, and, without any special symptoms, died in forty hours. Putrefaction was not avoided, and on March 17, when this was evident, amputation was per- formed through the middle of the thigh. This wound had almost completely healed when, on May 17, he complained of sore throat. His temperature went up ; diphtheritic patches ap- peared on the fauces ; and he died on May 20 from diphtheria. (See T. Chart XVIII.) Aseptic course. The temperature only once rose above 100° F., and then it reached 101° F., thirty-six hours after the accident. The wound had quite healed, witliout any suppuration, by September 7. The bones were not quite firm when the patient was discharged. He was sent out with the leg in a case of plaster of Paris. Putrefaction was not avoided, and as the tem- perature was going up (it had readied 103"^), Mr. Lister thought it better to amputate. This he did through the lower third of the femur on September 13. The stump followed a perfectly aseptic course, and liealed by first intention, except where the drainage tubes were. It had completely healed on October 18. Patient died three hours after admission. On ]). m. examination extensive fractures of the sacrum and pelvis were found. 470 RESULTS OF ANTISEPTIC SURGERY. I. Compound Fractures, the Name and Age William K., 16 J. M., 32 . . . (Septic case) IS J. McA. . 19 20 James B., 56 (Septic case) 22 A. R., 25 . . . (Septic case) T. N., 30 . Jane L., 36 Date of Admission and Discharge ; with Result .4tZ., March 26, 1873. 7>is., July 12, „ Result, cured. Ad., June 16, 1873. Dis.. Sept. 15, „ Result, cured. Ad., Aug. 22, 1873, Dis., Dec. 18, „ In process of cure. Ad., Sept. 15, 1873. Dis., March 12, 1874. In process of cure. Ad., Feb. 18, 1875. D!s., Sept., „ Result, cured. Ad., April 26, 1875. Dis., Sept. 20, „ Result, cured. Ad., Oct. 18, 1875. Z>is., March 11, 1876. In process of cure. Injury- Compound fracture of both bones of the leg. A piece of stone fell on his leg. Admitted tweuty-four hours after the accident. The wheel of a tramway car passed over li.s leg, causing a compound comminuted frac- ture of both biines. Patient admitted im- mediatelv. A stone fell on his leg, causing a compound comminuted fracture of both bones. The patient was admitted two hours after the accident. A van ran over his leg, causing compound fracture of both bones, two inches above the ankle-joint. Seen at once. Leg was run over. Severe compound commi- nuted fracture of both bones. Admitted two hours after the accident. Compound fracture of tibia causid by a wooden beam falling on his leg. Upper end of lower fragment protruding. Acci- dent happened four hours before admission. Compound fracture of tibia. Leg crushed by a wooden beam. Lower end of upper frag- ment protruding. Done four hours before admission. II ME. LISTERS COMPOUNI) FRACTUliES. 471 Result of Accident (contlvued). Wound injected with 1-5 solution of car- bolic acid in methylated spirit. tVounds enlarged. Mdntyre splint applied. Wound injected with a solution of cnr- bolic acid in methylated spirit, 1-5. Some frapments of hone were remrved. The wound was washed out with car- bolic lotion, 1-20. Wound injected with 1-20 embolic lotion. Wound injected v ith 1-20 carbolic lotion. Wourd injf (ted with 1-20 carbolic lotion. Wound wa*-! ed rut with l-fO cnrliolic lotion. Remarks Putrefaction avoided. A small abscess formed in the leg and was opened on March 31. Afterwards the wounds progressed well, and were sujierfirial on May 16. Boracic dressing was then applied. ErA'sipelas attacked the wound on May 2'6, but it had passed off on Maj' 30, and tlie wounds healed rapidly. Tlie bones were fjuite firm and there were onh' two super- ficial spots to heal when the patient was dis- charged. Putrefaction was not avoided. The wound suppu- rated freely, and a small piece of bone necrosed. The temjierature was not regularly taken, but for twelve davs it was above IHO^ F., ranging from 100" to l*03-5<-'. The bones had united and the wounds had almost healed when the patient was discharged. Putrefaction was avoided. There was a A-ery little superficial ' ,'intiseptic suppuration.' There was no inflammation or formation of abscesses. When discharged the leg was firm, but there was still a sinus leading down to bare bone. The temperature only once rose to 100°, thirty- six hours after the accident. Putrefaction was at first avoided, but the pa- tient, during an attack of delirium tremens, tore off the dressings, and the wound jnitrcfied. It was henceforth treated with lint soaked in carbolic acid and glycerine. When discharged there was still a sinus leading down to bare brne, but the bones were quite firm. Putrefaction was not avoided. Two abscesses formed, and the wound ard the abscess cavities supjiuratcd. For six weeks the temperature varied from 1(0" to 103" V. Other al)scesses formed, but ultimately the parts began to re- cover, and healing was coniplete at the end of September. Aseptic course. The highest tcni])eralure recorded ■was 99-7°. 'J'lie wound liad healed (exact date not given), and the bones had united when the patient was discharged. Xo constitutional disturbance, but two Fmall frapments lost tlieir vitality, ai-d were not re- moved till a few (lays before tlie patient was discharged. At that time the bones were firm, and tliere remained only a small superficiHl sore. 47l> RESULTS OF ANTISEPTIC SURGERY. I. Compound Fractures, the Name and Age 23 ■24 25 26 James G., 11 William R., 50 . Mary V., 55 Andrew F., 38 . (Septic case) Cornelius N., 34 28 Maria L., CO Date of Adniifsion and Discharge ; with Rpsuit Injury Ad., June 23, 1876. Z>/s., Nov. 23, „ In process of cure. Ad., Jan. 26, 1877. Dis., March 15, 1877. Besu t, cured. Ad., Nov. 9, 1877. Dis., Aug. 14, 1878. Result, cured. ^IcZ., March 16,1878. Dis., Dec. 2, Result, cured. Ad., May 24, \87i Dis., Dec. 18, „ Result, cured. Compound fracture of both bones of the leg. Admitted immediately after the accident. Compound fracture of tibia, caused by a kick from a hor/«., Oct. 19, „ Residt, cured. Compound fracture of both bones of the leg. Tibia protruding. Cause not given. 31 Frederic H., 48 ^ral bone. Patient quite sensible on Result, cured. admission. MR. LISTER 8 COMPOUND FRACTURES. 479 Result of« Accident (continued). was successful in 22 instances, and none of these required fuilher measures ; all healed. But in 8, or 26-6 per cent., the attempt was un- successful ; of these 1 died, in 2 secondary amputation was necessary, one of which patients also died of an independent disease, while in some of the remainder the further progress of the case was unsatis- factory This is a striking fact, as showing the difference in results between cases treated aseptically and those treated with antiseptics. These figures do not, however, rightly represent the present prob- abilities of rendering compound fractures aseptic, for the majority of the failui-es occui-red early in the treatment, while of late the greater number of attempts have been successful. Thus from the end of 1871 till the end of 1875, 18 cases were treated, and of these 6, or 33"3 per cent., ftiiled. On the contrary, from the end of 1875 till 1880, 12 cases were treated, only 2 of which, or 16-6 per cent., failed. The chief improvement which has led to this greater success is no doubt the method of washing out the wound thoroughly by means of a catheter attached to a syringe — a method introduced since 1875. The chance of success depends, however, almost entirely on the nature of the wound and the amount of dirt in it. If it be complicated and dirty the result is doubtful ; otherwise success is almost certain. of the Skull {accidental). Treatment Clots removed, and the wound syriiij^ed out with 1-20 carbolic lotion. Gauze dressing applied. The wound remained aseptic, but in a few hours the patient became restless and comjilained of pain in his head. He soon became unconscious. Trephiuin^was tiierefore performed on January ol, the depressed bone elevated and some frag- ments of the internal tabic removed. Patient recovered consciousness after the operation, and progressed rapidly towards recovery, the blood- clot lying- exposed in the wound. At one part, at the time of the ojjeratiou, the bone was felt bare for some distance, but none separated, and it was all completely covered on February 22. The Wound had completely healed cm Mav 2. Wiien the jialient was discharged, tlie j)ulsa- tioiis of the brain could be seen to raise tiic cicatrix. (Sec T, Chart XXVI.) 480 RESULTS OF ANTISEPTIC SURGERV. I. — Compound Fractures, the Name ami Ap 44 A:> George S., 18 J. MeC. (adult) 46 J. McK., 7 . 48 49 51 52 William L., 32 Andrew P., 7 . G. W. E., 12 . Gcorj^e II., 3fi . David McC, 30 A. C, 15 Thomas G., 32 , Date of Adniissioii ami Discharge ; with Result Ad., Feb. 12, 1872. Dis., Feb., 18, „ Besult, in process of cure. Ad., March 4, 1872. Dis., ISIay 2, „ Result, cured. Ad., June 14, 1872. ])h., July 22, „ Besult, in process of cure. Ad., Nov. 15, 1872. Died, Nov. 17, „ The cause of death was injury to the brain substance. Ad., Sept. 15, 1.S7G. Dis., Oct. 8, Result, cured Ad., April 2, 1878. 7>/s., April 15, ,, Ncsiilt, cured. Ad., M:iy 14, 1878. Died, May 15, „ The cause of death wasfracture of the skull, &.C. Ad., Oct. 3. 1880. iJis., Oct. 1 8, „ Result, cured. Ad.,.Ur\. 22, 1880. Dis., Feb. 9, „ Result, in process of cure. .4 rf., April 9, 1! Di.i., April 20, Result, cured. Injury Compound fracture of the os frontis. depression. No The handle of a windlass struck patient on the forehead, causing a depressed compound comminuted fracture of the os frontis. Fracture of nasal bones. The patient was conscious when admitted. Depressed compound fracture of temporal bone. Patient fell from a heii>ht of 20 feet, sustain- ing a compound fracture of the skull. Patient insensible, pupils dilated, surface cold, had several convulsive fits before admission. Compound fracture of temporal and frontal bones. Bleeding" from the ear and nose. Run over by the wheel of a c.nb, head markedly flattened. An iron gate fell on his head detaching nearlj^ half the scalp, which was hanging down. Bone fissured. Patient fell 10 feet, striking his head and causing an extensive compound ('ommi- nuted fracture of the skull. Patient insen- sible, but muttering and restless. Struck on the head by a bottle, causing two incised wounds and fissure of the skidl. Patient drowsy, but sensible. Fell on his head from a height of 35 feet. Large scalp wound, fracture of parietal bone, and other injuries, no depression. Patient quite insensible when admitted into hospital. Fell 68 feet, and struck his forehead, receiv- ing a compound fissure of the frontal bone. Patient sensible ; other bruises present. MR. LISTERS COMPOUND FRACTURES. 481 Result of Accident [continued). Wound injected with 1-20 carbolic lotion, and for the most part stitched. Wound injected with 1-20 carbolic lotion, depressed bone elevated, and portions of loose bone and of the internal table removed. Wound injected with 1-20 carbolic lotion, and left quite oi)en. Comminuted portions removed, and de- pressed bone elevated. Wound washed out with 1-20 carbolic lotion. Wounds injected with 1-20 carbolic lo- tion. Ears stufl'ed with gauze. Wound thoroughly washed out with 1-20 c.irbolic lotion, catjfut drain and numer- ous horsehair stitches. A portion of loose bone was rcmovdl, and the wound was syrinj;cd out, and left open. Two small pici'csdf the outer tabic were rcnujved and the wound was washed out with 1-21) carbolic lotion. A portion of bone was loose, and was re- moved, wound washed out witii 1-20 carbolic lotion. WoHinl washi'd out wiili 1-20 carliolii Inii. n. Aseptic course. No suppuration, the wound heal- ing bv first intention and organisation of blood clot. ' Aseptic course- The Avound had quite healed on March 16. As there was slight redness and pain at one part of the scar, it was opened up on March 27, and one or two minims of jnis escaped. This had soundly healed by April 19. There was an elevation of temperature on March 7, apparentlv due to derangementx>f the bowels, as it subsided at once on administering a laxative. (See T. Chart XXVII.) This case followed an aseptic course till July 12, when, probably owing to the restlessness of the patient and consequent displacement of the dressings, the wound was found to have be- come putrid. By tliis time, however, the deeper parts had closed. When discharged there was stiU a small suppurating wound, and a portion of the os frontis could be felt to be bare. Absolute insensibility, with occasional convulsive attacks, continued till his death, about 36 hours after the injury. Aseptic course, except that an abscess formed on the side of the head behind the eye. Everj'- tliing had healed, and was apparently sound when the patient was discharged. Aseptic course. The woimd healed entirely by tirst intention, except at one point where a little piece of horsehair draiti was employed. On April 12, there -were just three tiny points to heal. A collodion dressing was ap])lied. (See T. Chart XXVIII.) Th" patient never recovered consciousness, and died about 27 hours after the accident. The skull was found to be very extensively frac- tured and ha'niorrliage had cd piece of lione was re- llioveil, anil tlic, le;;' was Ijrinijilit straitclit. Iiicisiou made over the seat of fracture. Ends of bones refreshed by KOi'o'^ '""1 lianiincr. Wound left open. Operated on. Ty|iii'al aseptii; tdurse. On Filiruary 'l all the stitches were removed, and every thinj; was healed, except wliere the ihainaj,a'-tube was. All soundly healed (ni Feliniary 11. Aseptic course. Cimipletely healed during Auf;ust. The temperature was taken once daily, and was only once up to 100"^. iNo union. Sec Nos. 57 and 58. Aseptic cour.se. (See T. Chart I A'.) 486 RESULTS OF ANTISEPTIC SURGERY. II. Compound Fractures Name and Age 58 59 ()0 01 (i2 G3 r,4 Alexander VV., 38 ... . Alexander W., 38 ... . Thomas D., 37 Richard K., 12 . Peter M.,30 C. VV. Y., 9 Date of Operation aud Pischarftx' ; with Result Thomas D., 38 . Mary McD., Ifi. Op., March 6, 1874. Result, healed. Op., July 17, 1874. Dis., Sept. 21, „ Result, cured. Op., July 23, 1875. Dis., Nov. 23, „ Resiilt, healed. Op., Oct. 4, 1875. Bis., Dec. 14, „ Result, cured. Op., Feb. 19, 1876. Bis., July 27, „ Result, cured. Op., March 14, 187G. Dis., Oct. 14, In process of cure. Op., July 19, 1870. Bis., Sept. 20, 1877. In process of cure. 0/5., July 15, 187r). Bis., Feb. 7, 1877. Result, cured. Injury See No. 55. Fracture still ununited. See No. 57. Fragments still ununited. Ununited fracture of femur about its middle, of eleven months' standing. Various me- thods of treatment tried. Aggravated knock-knee on one side. Ununited fracture of the femur about ten inches belov/^ the great trochanter. Of ten mouths standing. Badly united fracture of the left femur just below the trochanters. Fracture occurred eighteen months previously. If inch short- ening. Sec No. 59. Fracture still ununited. Double knock-knee. Patient coulil hardly walk. The deformity commenced two years previously, after a fever. MR. LISTER'S COMPOUND FRACTURES. 487 MADE BY THE SuRGEON (contimied) . Similar operation to the former. Frag- ments drilled in two places and iron pegs driven in. Two wounds made. Drainage-tube inserted. A similar operation was again performed, and the leg was put up in plaster of Paris at once. (Intermediate amputa- tion). Ends of bone gouged, inserted. Drainage-tubes An incision was made above the con- dyles of the femur down to the bone. Periosteum detached, and a wedge- shajied piece of the femi;r removed. Drainage-tubes inserted. Incision on outer side of thigh. Ends of botie removed. Bones drilled and tied together with silver wire. Incision on the outer side of the thigh over the seat of fracture; bone divided ; limb brought straight. Ends of bone refreshed and tied together with silver wire. Ends of bones refreshed and tied together with silver wire. A wedge-shaped piece of bone was taken out of each femur on the same day. (Sec No. 60.) Drainage-tubes in- : sertcd. Remarks The pegs became loose and were removed on ^lanh 16. The wound on the inner side healed April 29, and the other soon afterwards. Limb kept in plaster till -June 8, and put up again till July 16, but still no union. The temperature was once up to 100° (100-1), on the moiniug after the operation. Putrefaction occurred here probably during the application of the plaster. As the temperature was going u|), Mr. Lister thought it best to amputate. This Mas done on July 22, and the wound followed a typical aseptic course, healing entireh' by first intention except where the drainage-tube was. Aseptic course. The blood-clot became organised as usual, and the gaping wound had completely cicatrised on September 12, without any pus- formation. Union had not occurred when the patient left hospital, wearing an immovable apparatus. (See T. Chart XXXI.) See No. 63. Tj-pical aseptic course. No suppuration. Wound completely healed on November 14. Highest temperature was 99"6°. When seen some weeks after his discharge the femur was quite firm and the limb straight. Aseptic course. Put up in plaster of Paris in April. Apparatus taken down on July 5. Bones united. Wire removed. (See T. Chart XXXII.) A good deal of constitutional disturbance followed the operation ; the wound suppurated and ab- scesses formed. When the patient was dis- charged a small sinus remained unhealed. The femur was quite firm and the leg straight, and only ^ in. shorter than the other. One or two small pieces of bone came away. Ultimately healed. Aseptic course. Patient was kept in hospital having various immovable apparatuses applied at intervals, but when discharged there was still a little mobility. The silver wire was left in, and the fragments ultimatelv united without further operation. (See T. Chart XXXIII.) Aseptic course. The right leg had completely healed at the end of -Vugust, and the loft almost. Fioth limbs uere put u|> in plaster of Paris on August MO. This was taken down on November oO, when both hones were found to be united (See T. Chart XXX IV.) 488 RESULTS OF ANTISEPTIC SUROERF. II. Compound Fractures Name and Age 60 68 09 70 72 Adam S., 6 . JohnT.. 11 . Emma P., 9 George E., 12 Thomas E., 35 Jane D., 50 . . Beatrice J., 14 . Frank J., 7 Date of Operation and Discharge ; with Kesult Op., Aug. 1, 1876. iJis., Dec. 4, „ Result, cured. 0/)., June 29, 1877. Z>/»-. durin.i^ autumn. Result, cured. Op., Nov. 20, 1877. IJis., July 27, 1878. Result, cured. Op., Jim. 29, 1.S79. Dls., Dee. 14, „ Result, healed. Op., March 19, 1879. J)is. May 15, „ Result, cured. Op., April 9, 1879. Uis., J une 30, „ Result, healed. Op., May 16, 1879. IJis., July 8, „ Result, cured. Op. May 21, 1879. Dis., J lily 8, „ Result, cured. Injury Aggravated knock-knee on one side. Both knee-joints ancliylosed at an acute angle — tiie result of j)revious disease. Left knee-joint anchylosed nearly at a right angle. Ununited fracture of the neck of the femur of six weeks' standing (extracapsular). Double iSL'ini valgum. Ununited fracture of the femur. Genu valgum on the right side. Genu valgum on both sides. MR. LISTERS COMPOUND FRACTURES. 489 MADE BY THE SuRGEON {continued). Treatment Similar operation to No. 64. Drainage- tube inserted. Left leg operated on. Only so much bone removed as was necessary to ob- tain a straight position of the limb. Portions of the end of the femur were re- moved, and the leg was got straight after division of the hamstring ten- dons. Horsehair drain. A long incision was made on the outer side of the thigh over the great tro- clianter. The fragments refreshed and two drainage-tubes inserted. Long splint. MacEwen's operation on both thighs at the same time. Drainage tubes in- serted. Ends of fragments refreshed and tied together with silver wire. MacEwen's operation on the right thigh. Drainage-tubes inserted. MacEwen's operation on both limbs on the same day. Drainage-tubes in- serted. Aseptic course. Wounds quite superficial and almost healed on September 1. The femur was quite lirm on September 4, but there was still slight divergence outwards. This was due to want of caie in adjusting the splints during the holidays. Aseptic course. The greater part of the wound healed by tirst intention, but two sinuses were still unhealed in the beginning of September when Mr. Lister left Edinburgh. I hear that the patient left the hospital soon afterwards, with the woimds quite healed and able to move his knee very slightly (a movable knee-joint was aimed at in the first instance). Aseptic course. Wound healing by first intention except where the drain was. The drain was removed on January 12. A small abscess formed on the outer side of the knee, and was opened on February 5. A minute sinus remained here for a long time, the wound being soundly healed and the bones firm. It healed a few days after the patient was sent to a convalescent home. There was considerable constitutional disturbance after the operation, and the temperature at times Avas as high as 101'G°. A little suppura- tion occurred from the wound, but the greater part healed by first intention. A little bit of loose dead bone (apparently a chip from the operation) was removed on November 11, and then the sinus at once closed. Union did not occur. From the high temperature and the suppuration it is probable that some ferment had got in, but the discharge was not examined, and it never had anv smell. (See T. Chart XXXV.) Aseptic course. Both wounds had healed at the end of April. Union was then complete. Patient began to walk on Mav 5. (See T. Chart XXXVI.) Aseptic course. No suppuration. Wound healed about May 15. Patient was discharged wearing an apparatu.s, but union did not occur. Aseptic course. Healed about .June 5. Splints removed and bones united on June 2^. Began to walk on June 29. (See T. Chart XXXVII.) Asc])tic ciiurse. l?olh wounds had healed by Jun:; 10. Union jicrfcct on Juik' 'M). Joints freely movable. (See T. Chart XXXVIII.) 400 RESULTS OF ANTISEPTIC SURGERY. II. Compound Fractures No. Name and Age Date of Operation and Discharge ; with Result Injury 73 Lydia \V., 9 . Op., July 9, 1879. Dis., Aug. 19, „ Result, cured. Genu valgum on right side. See also No. 87. 74 Ethels., 5 . . Op., Oct. 15, 1879. Dis., Dec. 14, „ Result, cured. Double genu valgum. 75 John M., 15 . Op., Oct. 22, 1880. Dk, Jau. 3, 188L Result, cured. Genu valgum on the right side. 76 Henry D., 17 . Op., Nov. 5, 1880. Dis., Jan. 7, 1881. Result, cured. Bony anchj-losis of knee-joint of eight years' standing : leg at right angles to the thigh. We have thus 23 cases in which compound fractures of the femur have been made by the surgeon (27 compound fractures). In all but 3 cases there was a typical aseptic course, i.e., the patient ate as well and was as well in every respect as if he had not been operated on, while there was no suppuration from the deeper parts of the wound, Corajwuncl Fractures 77 John C, 44 . . Op., Aug. 28, 1872. Ununited fracture of both bones of the leg. Result, healed. 79 80 81 John C, 45 , John C, 45 Eliza L., 23 , Eliza L., 21 . Op., July 30. 1873. Result, healed. Op., Jan. 15, 1874. JHs.. Sept. 3, „ Result, cured. Op., June 6, 1874. J)is., Aug. 1.3, „ Result, cured. Op., March 17, 1«75. Exact date of dis- charge cannot be ascertained. Result, cured. Former case (No. 77). Still ununited. Former case (Nos. 77 and 78). Tibia still ununited. Badly united Pott's fracture. Leg much everted. Patient (Ni). 80) had used her foot loo freely, and there was some return of the deforniit\'. MR. LISTER'S COMPOUND FRACTURES 491 MADE BY THE SuRGEON (continued). MacEwen's operation, inserted. Draiuai;e-tube Aseptic course. No date of healinsr. Allowed to get up fur the first time on August 12. Union then perfect and wound healed. M.icEwen's operation on both sides. Drainage-tubes inserted. MacEwen's operation on the right side. Wedge-shaped piece of bone removed. Horse-hair drain. No local disturbance, but the temperature rose a little for a day or tAvo, being once as high as 101°. The child, however, was quite well. On November 6 one wound Avas healed and the other ne 'riv so. Both legs seemed to be firm at that time. (See T. Chart XXXIX.) Aseptic course. Wound superficial on November 10, and boracic dressing applied. Patient got up on December 4. (See T. Chart XL.) Aseptic course. On December 9 all healed except two spots where the drain was. Patient got up on January 2. Seen last on March 20, when he could walk well without anv support. Bones I quite firm. (See T. Chart XLI.) I and as a rule none at all from the superficial part. In one case where putrefaction occurred, secondary amputation was performed as being the safest treatment and also the best when the difficulty in getting union and the shortening of the limb were taken into account. of the Leg [Surgeon). Ends of the bones refreshed and l)rought into good position. Wound left open. Similar operation. Similar operation. Iron driven into the tibia. pegs were Fibula divided obliquely. Foot brought straight. Wound left open. Dupuj- tren's splint. Similar treatment. Aseptic course. On November .5 the limb was put up in plaster of Paris. This was reapplied several times till July, 1873, but union did not take place. See No. 78. Aseptic course On September .5 the wound was small and quite superficial. The fibula united, but the tibia did not. See No. 79. Aseptic course. On March 12 union was found to have occurred, and the pegs were removed. The rest of the wound had healed. The patient was, however, kept in ho.spital for some time. Aseptic course. Wound had herled and the bones were apparently firm when the patient was discharged. Aseptic course. Kept loiigor in an apparatus. On this occasion the cure was permanent. (See T. Chart XLI I.) 4!)2 RESULTti OF ANTISEPTIC SURGERY. II. Compound Fractures 82 83 84 85 80 88 89 90 Name and Age Martlia C, 28 William M., 3(3 Martha C, 28 FinlayMcD.,29. Date o" Operation anil Discharge ; with Result Alexander A., 23 Lydia VV., 9 Henrv B., 32 Frederick A., 2G Joseph B., 2. O/)., All-. 18, 1875. Din., Oct. 2, 1876. Result, healed. Op., Dec. 21, 187o. DIs., March 2, 1876. Result, cured. Op., Feb. 27, 1876. Result, cured. 0/j., Jan. 16, 1877. Dis., June 9, „ Result, cured. Op., July 19, 1877. Dis., Oct. 13, „ Result, cured. Oj>., July 9, 1879. Di.^., Aus. 19, „ Result, cured. 0/3., Dec. 12, 1879. Dis., March 31, 1880. Result, cured. Op., Nov. 0, 1879. Dis., Dec. 16, 1879. Result, cured. Oj>., June 18, 1880. His., July 15, 1880. Result, eured. Injury Congenital deformity of right foot. Invcr- f-ion of foot, the inner surface of which formed an angle of 140° with the axis of the leg. Badly united fracture of the leg with dis- lilaccment of the font backwards. Of fourteen mouths' standing. See case No. 82. Badly united fracture of both bones of the leg, just below the tuberosity of the tibia. Leg bent inwards. Ununited fracture of both bones of the leg at the junction of the middle and lower thirds. Cf fourteen weeks' standing. Rickety deformity of one leg 73. See also No. Badly united everted. Pott's fracture. Foot much Patient was admitted a fortnight previously with simple fracture of both bones of the leg. A fragment of the tibia projected under the skin, causing great pain and threatening to protrude. Rickety deformity of both legs. MR. LISTERS COMPOUND FRACTURES. 493 MADE BY THE SURGEON {continued). Treatment Remarks Fibula cut through and a wedge-shaped portion of bone removed from the tibia. Extensor tendons divitled. Bones tied together 'iv silver wire. Foot brougtit into straight position. Tiljia and fibula divided bv lateral inci- sions. Foot brought straighL Du- jjuytren and horseshoe splints. End-s of fragments refreshed. Similar after-treatment to that formerly adopted. Fibula cut across. Wedge-shaped piece of bone removed from tl'C tibia. A portion of the fibula cut away. Leg straightened, and wounds left open. Incisions over each bone, and the frag- ments refreshed. Iron pegs driven iuto the fragments of the tibia. Incisions over the bon^^s which were then cut across. Drainage-tubes inserted. No stitclies. An incision was made over the site of the former fracture, and the libula divided obli(|uely. Foot inverted by means of pulleys. Drainage-tubes inserted. Dupuylren's splint. Mr. Lister cut down on and removed the projecting portion, thus causing a com- pound fracture. Incisionn over the tibia and fibula. Hones divided. Wounds left r)peri. ]5oth legs oper.ated on. Aseptic course. Wounds superficial on September 18. When seen in Februarv, 1876, the b(me was still ununited. See No. 84. (See T. Chart XLIII.) Aseptic course. Bones firmlj' united and only a little speck to heal on February 1. As?ptic course. On this occasion imion took place, but the dates of union and discharge are not given in the note books. Aseptic course. Tibial wound found healed on March 1, and the fibular on March 3. Plaster of Paris removed on March 10, and the bones found to be firm. It was reapplied till May 1, when it was finally left otf. the bones being quite firm and strong. (See T. Chart XLIV.) Aseptic course. The temperature rose on one occasion as high as 99-8°. Iron pegs removed on September 1, and wounds healed a few days later. On October 4 the bones were lound to be quite united. Aseptic course. Date of healing not given. Pa- tient allowed to get up for the first time on August 12. Union then perfect and the wounds quite healed. Aseptic course. Wound i|uite suiterficial and boracie dressing ajjplied on January' IG. Splint left off anfl patient allowed to get up on Feb- ruary 24. There was a little ])ointing of the toes, which was overcome by elastic force. (See T. Chart XLV.) Asejitic course. On Xoveuiber 17 the wound was quite suiicrlicial, and boracie is., Aug. 6, „ Result, cured. Op., Feb. 12, 1879. Ms., April 12, „ In process of cure Compound Fractures of Simple fracture of the clavicle ; a fragment projecting under the skin, cau.sing great pain and interfering with the adjustment of the fracture. Unreduced dislocation of the acromial end of the clavicle. Of ten weeks' standing. Patient cannot use the arm well. Cervical rib pressing forward the brachial plexus and causing great pain. Patient very hysterical. There were 3 compound fractures of the clavicle without any bad 9o 90 Alexander S.,r)0 Jame.s McB., 48 John 15., 14 Op , Feb. 9, 1872. JJis., Sept. 5, „ In process of cure. Op., Feb. 12, 1872. DLs., Oct. 10, „ Result, cured. Op., Dec. 6, 1872. DIs., Feb. 11. 187.S. Result, cured. Compound Fractures of Ununited fracture of the humerus of two years' standing. Various methods of treat- ment had been previousl}* adopted. Ununited fracture of the humerus .at the junction of the upper and middle thirds. Of si.x months' standing. Fracture of lower end of humerus with dish cation. Of five months' standing. MR. LISTER'S COMPOUNL FRACTURES. 495 MADE BY THE SURGEON [continued). Both bones in both legs divided, and wedjre-shaped portions removed from the tibia. On the ri^ht side the bones were divided in two places. Aseptic coarse. Wounds superficial and spray stopped on November 6. Exact date of healing not given ; it was apparently about the end of November. Splints removed and the patient allowed to walk on December 14. (See T. Chart XLVII.) fractures made. In no instance did any local or constitutional disturbance follow the operation. the Clavicle (Stirgeon). Mr. Lister cut down and removed this loose portion, thus converting the case into one of compound fracture. Drain- age-tube inserted. Articular surfaces removed and the ends of the bone tied together with silver wire. Wound left open. Mr. Lister cut down and divided the clavicle. Drawing aside vessels, &c., he removed the rib, which was attached to the sixth cervical vertebra, and arti- culated with the first and second ribs in front. Clavicle tied with silver wire. Drainage-tubes inserted. Aseptic course. The wound had healed and the bone firmly united on March 6. Aseptic course. Wire removed on July 1.5. Healed on July 24. Union was perfect and the movements were greatly improved when the patient left hospital. (See T. Chart XLVII I.) Aseptic course. Wound healed by first inten- tion, except where the drainage-tube was. Wound quite healed on March 12. The clavicle did not unite firmly till September. Wire re- moved during November. (SeeT. Chart XLIX.) symptom. the Humerus (Surgeon). Ends of fragments s.awn off, bones tied together by silver wire. Wound left open. Ends of fragments refreshed and tied together with silver wire. Drainage- tube inserted. Excision of elbow-joint b}' a longitudi- nal incision. Aseptic course. Wire removed during March, and the wouikI quite healed on April 4. The bone was almost, but not absolutely, firm, and the patient was discharged wearing a silicate appa- ratus. Aseptic course. The greater part of the wound healed typicaliy, but a sinus remained around the wire leading down to bare bone. On June 3, osseous union was com|)]('te. Wire removed on Auirust 2.'?. When discharged tliere was still a sinus leading down to bare bone. No constitutional disturbance. A smjill abscess formt'd on the outer part of the limb, and was opened on December 20. It h.-id healed on January 20. The opera! ioti wound had en- tirely healed on January (>. except a minute su])erfi<'ial crack with the healing of whicli the movement of the arm seemed for some time to interfere. The movement was good when pa- tient was discharged. 496 MESULTS OF ANTISEPTIC SURGERY. II. Compound Fractures 98 99 100 101 102 103 Name and Ago Peter B., 1 1. Donald McL. 45. James J., 24 John N., 15 Jessie S., 14 Edward W., 12 Date of Oijeration aiirl Discharge ; with Result 0/j., Dec. 2, 1872. 7>?s., Feb. 11, 1873. Result, cured. Op., Nov. 14, 1874. IHs., Feb. 28, 1875. Result, cured. Op., Dee. 15, 1875. iJis., June 8, 1876. In proce-^s of cure. Op., Nov. 27, 1875. iJis., Jan. SI, 1876. Result, cured. Op., Mis. 21, 1875. Date of discharge is not given. Result, cured. O/)., Jan. 15, 1879. In process of cure. Injury Similar injury to that in No. 97. Ununited frapture of humerus a little above its middle. Of fifteen months' standing. Fracture of loAver end of humerus, with inability to use the arm. Done six weeks previous!}". Badly united fraeture of the humerus, about its middle, the arm being bent inwards. Osseous anchylosis of the elbow-joint in the straight position, the result of old frac- ture. Badly united fraeture of humerus. See Operations on Joints, No. 18, p. 432. Thus we have 9 compound fractures of the humerus without Comj)ound Fractures of 104 105 106 107 108 John McI. 34 Thomas W., 14. Alexander — , 26 J. McJ., .30 James S., 53 Result, cured. Op., May 3, 1873. JJis., Nov. 20, „ Result, cured. Op., Nov. 10, 1875. Result, cured. O/}., Jan. 15, 1876. JJIs., April 13, „ Result, cured. O/)., Jan. 26, 1877. ])is, June I '.I, „ Result, cm 0(1. Ununited fracture of olecranon. See Opera- tions on Joints, No. 3, p, 426. Ununited fracture of radius. See No. 38, p. 476. Dislocation of the head of the radius back- war Is. See 0|)erations on Joints, No. 10, p. 428. Ununited fracture of the radius : of sixteen months' standing. Had been previously operated on by ancither surgeon. The ends of the bones were not in contact. Ununited fracture of llie radius : oftwenty- twii weelis' standintc. MR. LISTERS COMPOUND FRACTURES. 407 MADE BY THE SURGEON {continued). Exci>ion of elbow-joint by a longitudinal incision. Ends of fragments refreshed and tied to- gether witli silver wire. Wound left open. Excision of elbow-joint by longitudinal inci:jiou. Bone divided by hammer and chisel and brought into proper pi sition. Drnin- age-tulie inserted and plaster of Paris applied at once. Exc'.-ion of elbow by H-incisiou. Remarks Aseptic course, except that the drainage was not good for the first day or two. The wound had completely healed on January 27. Move- ments good wtien discharged. Aseptic course. Wound quite healed on Decem- ber 27. Union was complete and wire removed on February 27. The woimd went on well till the Christmas holi- days, wlien it putretied. After that an abscess formed in the upper arm. In Marcli onl}' two sinuses remained to heal. It is not stated wiiether the.-e had com] letely healed when pa- titrnt was discharged. Movements fair. Aseptic course. The wound had completely healed on .January Iti. The bones were lirui when patient was discharged. Aseptic course. The incisions were quite healed on September 2o. Movements good. (See T. Chart L.) Aseptic course. any bad results. the Forearm ( Suryeon). A piece of bone was cut out of the ulna to allow the ends of the radius tocirme into contact. Tlie ends of tiie radius were refreshed Fragments tied to- gether by silver wire. Lett open. Ulna divided aixl a portion removed. The ends of tlie radius refreshed. Fragments tied togetlier witli silver wire. Wounds left open. Ends of radius refreshed. A piece cut out of the ulna. Fragments tied to- getlier with silver wire. Wounds left open. Aseptic course. Aseptic course. Plaster of Paris applied on July 28, when both wounds were healed. Uenioved on November 17, when union was complete. Wires also i-emnveJ on that day. Seen again in March, 1874, when the arm was strong, and in every way perfectly useful. Aseptic course. Aseptic course. The wounds had healed and union was complete when the patient was dis- charged. Aseptic course. Both wounds had healed in six weeks without any pus formation whatever. Plaster of Paris was a|)plied on March 3. Apjiaralusremoved on June 2, wlien union was complete. Wires removed on that dav. (See T. Chart LI.) K K 498 RESULTS OF ANTISEPTIC SURGERY II. Compound Fuactures 109 110 Name and Age William B., 45 Johu H. 28 Date of Operation anil Discharfre ; with Result Op., March 20, 1879. Result, cured. Op., Jan. 14, 1881. iJis., March 5, „ Result, cured. Injury Ununited fracture of the olecranon. See Operations on Joints, No. 17, p. 432. Ununited fracture of both bones of the fore- arm, the result of a machine accident eleven months' previously. In all there were 7 cases of compound fracture of the fore-arm with- in Maggie C, 17 0/>., April 1, 1875. l)is.. May 12, „ Result, improved. One ease of com- pound fracture of the lower jaw, which did well. Coiripound Fracture of Anchylosis of one side of the jaw. Jaws tlrmlv closed. The result of old necrosis. Following the example of most writers who discuss the results of compound fracture, I shall now leave out of consider- ation the cases in which primary amputation was performed, and also those which died within forty-eight hom-s. The following result will then be obtained. Since the end of 1871 up to the present time Mr. Lister has had under bis care 95 ^ patients affected with compound fractm-es ; of these 95 patients only 2 died. (The number is apparently 97, but 2 patients are each counted twice.) I may tabulate the result as follows : Tart injured No of cases No. of ileaths Femur . 26 1 Bones of leg 34 1 Clavicle 3 — Humerus 12 — Fore-arra 12 — Skull . 9 — Lower jaw 1 — Total No. fracture of Secondary amputations 1 50 2 12 _ 16 — 9 — 1 — Total . 97 121 A patient on whom an operation has been performed, whose wound has healcil, and on whom a second operation has then been done, is, of course reckoned as two separate cases ME. LISTER'S COMPOUND FRACTURES. 49i> MADE BY THE SURGEON {continued). Treatment Remarks Incisions over each bone. Fragments refreshed and tied together with silver ■wire. Wounds left open. Aseptic course. (See T. Chart XI., p. 439.) Wounds superficial and spray discontinued on Januarj' 31. Silicate apparatus applied on February 7. Wires removed March 16. Union satisfactory. (See T. Chart LII.) out any bad result. (There were 11 distinct compound fractures.) the Lower Jaio {Surgeon). An incision was made behind the ramus of the jaw on the anchylosed side, and the condyle of the jaw was cut through. The wound was almost absolutely healed on April 21, when boracic dressings were applied. A Avedge was kept between the teeth, and when the patient was discharged she could open her mouth without aid for half an inch. When seen in July her condition had much improved. It may, perhaps, be more convenient if I separate the cases of accidental compound fracture from those made by the surgeon. The following is the list of the accidental ones : — Boue No of cases Xo of death Femur 3 1 Leg . 19 1 Humerus . 3 — Fore-arm . .5 — - Skull . 9 — Secondary amputations Total 39 The following is the list of those made by the surgeon:—- Bone No. of cases No of fractiu-cs No. of deaths Femur 23 27 — Leg . L") 31 — Clavicle 3 3 — Humerus . 9 9 — Fore-arm . 7 11 — Lower jaw 1 1 — Secondary amputations 1 Total 82 K K 2 xw agmi jiH I^Hfi jaH 8BBMI HH bhbb ■S iBBB h|| ■BBB ■H an ESBH MB HK jIBBHH IB ^IhB ^Mum ■ ■1 ■ Bl JULY 19 ?0 21 ?^ i3 ;4 il i !m e M E M E M E M E ^ E M t 1 '"*' ^- J J \ ^ n ; 1- - ■-- -" ^ 1?; — 98j — !0* . 96 JXXIV L_U-^---- -J- _LTT77 .».u/y >|;.M-JMkfeMkl.»-J»*M-J;^^^ ■■ ■■■■ ■■■ BBBBB BBBBlBBBr IBBi— —■■■ Tempeuature Charts of Mr. Lister's Cases of Compound Fracture. JXE n.TTT 1 1 1 ■ 1 ■ ■ 5 1 ■ ■ ■ wSBsi ■ 1 m ■ ■ a 1 1 ■ ■ iipplj bSSb ■BBB IHBb iBBfl VwKSH ^ffiasiSBai mmmm ■■■■1 XLB' YLI XLV XLITT wm .ME ME ME ME M t ME me| : 102 ■ " lo; 1 99 — I ^ ■ g 2 N t XLVML JUN 104 E 1 j^ 5 _4- 1 :io3 102 ',0,- llOO 99 97 A , *S. ■ -- \A V -- -- — - -- 2 e^ 2 80 " JAN 14 15 16 17 18 19 20| lo' lO' lo' lOl 100 99 98 97 P M E ME ME ME ME M"E ME •> \ /I S / — 71 \" do -«2l''_ 7t A' J0__ «/l Z.I JANV26 27 28 29.. 30 31 FiB.I 2 3 4 5 .6 7 8] M E M r M E ME ME M E M E M E M E M E M E M E ■ 'Oil M ■ .1 1 _,• ! > /\ .'^ / rA ,/1 — \ 'v->j T / » ^ ^ V- ^ A. ■^-i -17- L \ r .'■. pT-i,,^ «*. 84 tr w |-Bff ■■ |-«- aa ^ P ■■i ■ ^ |AUC 104" 102 M E|M E'M Z M~t M EM e' M e|m eIm e M E M E M E M? M E ; 1 1 -.iZlTi \,.:,.... loi 106 99 98 97 P '. ■ \ -- yxj^ ; 1 ' J ^N. iLt; 1 1 . - W\r a T v>. ^^ b: % r- -■ .... -- V/-] h'- y " '"' .... Temperature Charts of Mr. Listers Cases of Compound Fracture (ty/i^ /(/«/«., Felj. 1.S73. Rfxiilt, cured. Op.. April 2, 1872. liexitlt, unknown, pro- bablv cured. Op., April 1872. ni.f, April 3, 187; litsiilf, cured. Op., Julv 4, 1872. IJis., April 2, 1873. /i fsiih, died of an in- dependent cause. 0/>, Se|)t. 1872. />/.s., Oct. 21, 1873. Result, cured. Disease. Larjije p.soas abscess forming a buljjing tu- mour in the thigh and extending high up in the abdomen. First noticed six months previously, pain in back, &c. Lumbar abscess. Patient hurt his back two- and-half years ago, pain in back, &c. Pso.is abscess in connection with advanced spinal disease. A lumbar abscess appeared later. Lumbar abscess. Curvature of spine, &c. Lumbar abscess. Patient first noticed a swelling three months previous to admis- sion. There was no curvature but great jiain on pressure over the spine in the hnn- bar region. Psoas abscess with marked curv;iture of the spine about the lower dorsal region. Ab.scess pointing in the thigh. Disease began nine years previously'. Suffered great ])ain and had been getting weaker and thinner. MR. LISTER'S SPINAL ABSCESSES. Lumbar Abscesses. Abscess opened in thi^h and 40 oz. pus evacuated. Drainaije-tvibe serted. Opened, 10 oz. of pns evacnated. Drain- age-tube inserted. Opened, drainage-tube inserted. (The lumbar abscess was opened in Octo- ber). Abscess opened. Drainage-tube in- serted. Oponed. Drainage-tnTie inserted. 0|)cned. Drainage-tulje inserted. Tlio material evacuated was verv thick. On December 26, it. was found that the menstrual flow had soaked the dressings and the dis- charge had a disagreeable odour. On Decem- ber 28, a large piece of bone came away. As the abscess was undoubtedly putnd, and as the patient was very anxious to go home, she was allowed to do so. At that time there was pro- fuse discharge and the patient was getting weaker. The discharge rapidly decreased in amount, be- ing in tlie main serous though occasionally somewhat purulent. The abscess had com- pletely healed on October 24, but on November 11 the cicatrix gave way and a sinus was re- established. This he.iled jK^rmanently about the end of January. After opening the first abscess the discharge was considerable and purulent, but there was no smell. Many fr.agments o( bone came away during the course of the summer, and in Octo- ber a lumbar abscess was found and opened. The case is not completed in the note liooks, the last note having been taken on April 20, 1873, to the etlect that there was very little discharge, and that the general healtii was good. 1 should think that the case was in all proba- bility cured. Aseptic course. The wound was found healed on August 11, but the scar again opened. Healed again on October 13 ; again the scar gaA-e way. Healed permanently on December 10. For some time the patient could not do without a spinal support, but in July 1877 he showed himself, and was then perfectly well and strong and able to do any kind of work. On November 28, some cui-vature of the spine was noticed. In February the dressings were changed weekly, there being only a small sinus, which at the end of March had almo.st absolnteh' healed. At this time a small glan- dular abscess formed in the neck and was opened and dressed with boracic lint. On Marcli 23, erysipelas attacked this wound and quickly spread over the head and neck. The patient got npidly weaker, and died on April 2. (This is really a case of cured lumbar abscess dying of another cause before leaving hospital.) Aseptic course, tlie discharge being jiurely ser- ous and very slight in (inantiiy. Healed in September 1873. 524 BUSULTS OF ANTISEPTIC SURGERY. Psoas and No. Name and Age Date of Operation and Discharge ; with Result Disease 7 T. H., 9 . . . Op., Feb, 8,1873. 7>/s., Mawh §, 1873. Result, in process of cure. Three lumbar abscesses. Curvature in the dorsal regiou. Patient weak and thin. 8 Helen T., 24 . Op., May 7, 1873. JHs., Dec. 22, ,, Result, cured. Psoas abscess, Avhich had passed into the thigh. Patient began to feel weakness in the back about six months previously. She had noticed the swelling in her thigh for three months. 9 Donald R., 2G . Op„ June 2, 1873. JJis., Jan. 23, 1874. Result, cured. Psoas abscess pointing in the thigh. Curva- ture in the lower lumbar region. 10 Jane R., 27 . . Op., July 2, 1873. JJis., Feb. 2, 1876. Result, cured. Patient was admitted in June 1873 on ac- count of suppuration of the sheaths of the flexor tendons of the hand following an in- cision into a bursitis of these tendons not performed aseptically. On July 2, a psoas abscess was found in the right iliac fossa. Had suffered from pain in her back for about a year, and for some time from ab- dominal tenderness. 11 Anne McK., 22 Op., Aus- 21, 1873. JJis., Spring 1875. Resu t, cured. Lumbar abscess with well-marked curvature of the lower dorsal vertebrai. A second abscess formed later. 12 — W., 32 . . Op., Sept. 2, 1873. JJied, Feb. 3, 1874. The cause of death was phthisis. Psoas abscess pointing in the thigh. Curva- ture in the lumbar region ; great pain in the back. Advanced phthisis. 13 Eliza M., 30 . Op., Feb. 19, 1874. JJis., Nov. 10, „ Jiesult, in process of cure. Dorsal abscess. Great tenderness on pres- sure over the whole dorsal vertebrai and curvature of the middle ones. Patient ver}' weak and anaimic. The pain began a year ago. Patient half-witted. MR. LISTERS SPINAL ABSCESSES. 625 Lumbar Abscesses {continued). Opened. Drainage-tubes inserted. Opened. Drainage-tube inserted, 30 oz. of pus were evacuated. Opened above Poupart's ligament. Drainage-tube inserted, 23 oz. of pus evacuated. Abscess opened above Poupart's liga- ment, 20 oz. of pus containing pieces of bone were evacuated. Drainage- tube was inserted. Opened, 10 oz. of pus evacuated. Drainage-tube inserted. Opened, "24 oz. of pus Drainage-tube inserted. evacuated. Opened, 24 oz. of pus Drainagc-tul)e inserted. evacuated. On Feb. 23, the two smaller abscesses had closed. The drainage-tube was removed from the other, and by March 8, the discharge was very slight. The parents were very anxious to take the child home, and they were allowed to do so after having been instructed in the method of dressing. The general health was at that time improving. Aseptic course. After .June 3, the case was dressed every second A&y, and after July 6, every three days. Healed about the beginning of November. Aseptic course. No more pus. Found healed on October 10. Patient allowed to get up for the first time on December 6. The discharge rapidly diminished, and the case was soon dressed only once a week. Aseptic course, the discharge being purely serous. On December 2, 1874, abscesses were found in con- nection with the elbow-joint and opened, the patient's health being then good and the psoas abscess almost healed. When the patient left hospital everything was sound. When heard of in 1877, she was well and strong and had a fairly movable elbow-joint. Aseptic course. Quite healed on July 31, 1874. On September 1.5, 1874, she was allowed to sit up for the first time, but aftenvards felt great pain in the dorsal vertebrae. She again sat up on October 3, but again had pain. On October 22, a small abscess was opened at the side of the former one. This healed during the spring of 1875, and the patient was discharged cured. (The exact dates of healing and discharge can- not be ascertained.) Till the middle of November the case went on well, and the general health seemed to im- prove, but from that time tlie lung disease rapidly got worse and the jiaticnt gradually became weaker. Diarrlioea set in in January. During the last two or three weeks there was a considerable increase in the amount of the dis- charge, which became purulent. The abscess went on as usual, the discharge diminishing, and the i)atient's health improv- ing when, on April 0, she tore off the dressings. Ne.xt day there was a slight .smell, and the wound was injected v.ith 1-20 carbolic lotion. The discharge thereafter was odourless. No notes are given from the end of April till Novcml)er 10, when she is said to have been ' discharged in process of cure' (See T. Chart LV.) 526 RESULTS OF ANTISEPTIC SURGERY. Psoas and 14 15 IG 18 10 21 Name and Age Margaret M., 7 Marfiaret S., 20 Susan J., 12 William M., 6 William L., 25 Tlionias M., 15 Mary C, 4 Margaret W., 24 Date of Operation and D ischarge ; with Result 0;^., July 1874. IJis., Jan. 1875. Result, cured. Op., Aug. 3, 1874. TJis., Sept. 2, 1875. Result, cured. 0/j.. Aug. 17, 1874. Dis., April 17, 1875. Result, putretieii. Op., Sept. 14, 1874. Dis., Nov. 7, 1876. Result, cured. Op., Jan. 10, 1875. IJIs., June 10, „ Result, left hospital before healing was complete. Op., .July 4, 1875. Result, cured. Op., Nov. 18, 1875. Dis., June 27, 187(5. Result, putrefied. Op., Nov. l(i, 1875. 7>/Vf/, March 17, 1877 Result, died of ex- haustion. Psoas abscess, angular curvature in the lum- bar region. Began six months before ad- mission. Dorsal abscess. Angular curvature in the dorsal region. Symptoms began eighteen months before admission. Patient thin, without appetite, and had cough and ha:moptysis. Psoas abscess, gion. Curvature in the lumbar re- Psoas abscess, which had not yet passed into the thigh. Curvature in the lower dorsal region. Psoas abscess, gion. Curvature in the lumbar re- Lumbar abscess. Patient was admitted in May with an abscess connected with a carious rib. Psoas abscess with disease of the vertebrw. Psoas abscess pointing in the thigh. Acute curvature in the lumbar region. The ab- scess extended all round the thigh. MH. LISTERS SPINAL ABSCESSES. 627 Lumbar Abscesses {continued). Opened, 1-4 oz. of pus evacuated. Pieces of bone in the pus. Drainaye- tube inserted. Opened, 5 oz. of pus Drainatre-tube inserted. evacuated. Opened, 8 oz. of pus evacuated. No dr;iinaire-tube was inserted. Opened by a dissection as if to tie the external iliac artery. Drainage-tube inserted. Opened like No. 17, lo oz. of pus eva- cuated. Opened. The spinous process of one of tlie lumbar vertebr.t was felt to be bare. l)rainjiLre-tube inserted. O] enodlike Xo. 17, above l'"Upart's liga- ment. Drainage-tube inserted. 0]>ened, .lO oz. of jais evacuated con- taining pieces of bone. Aseptic course. Healed November 20, 1874. Allowed to sit up on January 9, 1875. Exact date of discharge not given. Asefitic course. Healed in August 187.5. Patient rapidly picked up Hesh and regained her appe- tite after the abscess was opened. When she was di>charged she was stout and well. On September 8, this wound had healed, but a collection soon reformed, which, on evacuation, was found to consist of clear yellow serum. During the month of February the case seems to have p)utrefied, and on March 22, aseptic measures were stopped and wet boracic lint applied. Sent home. Aseptic course, but the patient was extremely restless, and it was very difficult to prevent him from sitting up. To this is possibly due the long delaj' in healing. This abscess was found healed on Septetnber 15, 1876. A second ab- scess formed on the opposite side and was opened during t)ctober 1875. This had healed before the patient was discharged. The wound was doing well, but the patient got tired of hospital, and wouLl not t-tay longer. The tube was therefore removed and he was taught how to dress the wound asepticalh'. When he left his urine was albuminous, but its state on admission is not given. This ciise seems to have followed an aseptic course ; the ]>atient left the hospital healed and cured. But the notes are abotninably taken, and tlure is no note either of the date of healing or of the date of dismissal. This case did wel till the Christmas liolidays, when putrefaction seems to have occurred. After that time there was profuse jiurulent discharge, tliough for the most ]iart odourless. The child was getting thinner and weaker, and the parents wished to take her home. All through the ca.se there was great difticulty in getting free drainage, and consequently there was an unusual amount of discharge, the ca.se rer|uiring dressing about every .second day. Laticrh" tlie patient sulii-red stvere jiaiu in tiie thigii, leg, and liacU, with constant vomiting. On posl-niorlem exaiiiin.ition tlie lumbar verte- bnvj were found to be completely disorganised, cavities containing cheesy material being found in the bodies, transver.se and spinous jirocesses of the vertcbriu. The bodies of two vertebraj were absent. Tlie liver, spleen, kidneys, and in- testines were in a state of waxy degeneration. For T. Chart ju^t before death, see No. LIU. 528 RESULTS OF ANTISEPTIC SURGERY. Psoas and Name and Age Date of Operation and Discharge ; with Result Disease 22 23 EUea S., 32 . John D., 18. 24 25 John D., 24 Eliza T., 19 , Helen E., 60 Op., Nov. 14, 1875. JJis., Feb. 3, 187G. Result, cured. P/)., March 22, 1876. Dis., March, 1878. Result, cured. Op., April 4, 1876. Died, Oct. 2, „ The cause of death was phthisis. Op., Aug. 1, 1876. ])is., July 1880. Result, cured. Op., Nov. 16, 1876. Dis., Sept. 4, 1877. Result, cured. Largo lumbar abscess, spine. Curvature of the Psoas abscess pointing in the left groin. Cur- vature of the spine. Patient had been ill for a year. He was in an extremely weak and emaciated state. At a later period an abscess formed in the right thigh. Psoas abscess. Curvature of the spine in the lumbar region. Patient was very weak, and had advanced phthisis. Admitted with a psoas abscess on the left side, which had not j'et reached the thigh. Great tenderness and curvature of the spine in the lumbar region. At a later period a psoas abscess formed on the other side and also a lumbar abscess. Patient injured her back a year before ad- mission. It had been very weak and pain- ful ever since, and when admitted there was a psoas abscess pointing in the thigh. Patieut was very weak. I MR. LISTEES SPINAL ABSCESSES. 629 Lumbar Abscesses [conthiued). Opened. Drainage-tube inserted. Abscess opened above Poupart's liga- ment. Drainaire-tube inserted. Opened above Poupart's ligament. Pieces of bone escajied with the pus. Drainage-tube inserted. Opened above Poupart's ligament, 20 oz of pus evacuated. Drainage-tube in- serted. Abscess opened above Poupart's liga- ment, 18^07. of pus evacuated. Drain- age-tube inserted. Aseptic course. Healed November 20, 1876. (See T. Chart LVL; The psoas abscess went on very well. A large abscess formed in the othpr thigh, and was opened on February 11. The patient was re- moved to a private house in October 1877, and placed under Dr. Bishop's care. Dr. Bishop writes as follows in tlie British Medical Journal for Januiry 31, 1880: 'John D., healed in March 1878. Left Edinburgh in May. When last heard of he was able to v/alk without sup- port, and was feeling quite strong.' (For T. Chart for some days after the second abscess was opened, see No. LIV.) The discharge seems to have remained aseptic, though latterly it increased somewhat in amount, necessitating a change of dressings every two or three days. His cough got worse, he became weaker, and died of phthisis. Aseptic course, but the case was extremely tedi- ous. A psoas abscess formed on the right side, and was opened on January 16, 1878. In March, after a gymnastic performanre in her bed, she felt great pain in her back, and a lum- bar abscess formed and was opened on April 17, 1878 ; bare bone was felt by the finger. The case went on with almost no discharge, the dressings being changed only once a week, till August 1879, whf-n the first sinus healed. In the beginning of October this opened up again. On November 22 the right psoas ab.^cess was found healed, and on D;'cember 27, the lumbar abscess had healed. Although the original sinus had not yet henled, the patient was al- lowed to get up in Februar}' 1«80. This sinus healed in June 1880, and the patient went home in t!ie be,i:inning of July. During the whole time the ])atietit had been in good health, and her rosy cheeks (not hectic) and appear- ance of perfect health rendered it difticult to persuade any one that she was suffering from disease of the spine with two psoas and one lumbar abscess. (See T. Chart LVII. taken at the time when the second abscess was opened.) Asejjtic course. Healed July 5, 1877. Before her discharge she was able to walk about. (See T. Chart LVIII.) M M 530 RESULTS OF ANTISEPriC SURGERY. Psoas and Name and Age 27 John R., 10 '28 Hugh McL., 6, 29 Michael C, 21. 30 John B„ 25 31 John D., 29 Date of Operation and Discharge; with result Op., Nov. 20, 187G. Din., Aug. 5. 1877. Result, cured. Op., Jan. 29, 1877. Dig., Aug. 1878. Result, improving. Op., Jan. 28, 1877. Din., May 1878. Result, cured. Op., Fel). 11. 187 Vis., Feb. 1878. Result, cured. Op., Oct. 12, 1877. Uis, Jan. 1878. Result, died. PsoaG abscess pointing ease of the spiue. in the thigh. Dis- Psoas abscess on the left side pointing in the thigh. Extensive disease of the vertebrae and curvature of the lower dorsal and upper lumbar vertebr». An ab.scess formed on the other side at a later period. Lumbar abscess on the right side. Pain in the back. A second lumbar abscess formed. P.soas abscess which had not passed into the thigh. Had been treated for spinal dis- ease for eighteen months. Patient very weak. Psoas abscess which had passed into the thigh. The curvature of the spine began at the twelfth dorsal and the most promi- nent part was at the second lumbar verte- brse. Patient much emaciated and very weak. 1 MR. LISTERS STIXAL ABSCESSES. 53 1 Lumbar Abscesses (contiuued). Treatment Oi)ened in the thipjh. A sound was then passed under Poujiart's liiz;anient, the point projected against the skin and cut out. The lower wound was then stitched. Drainage-tube inserted into the upper. Opened like No. 27. Very thick pus containing pieces of bone was evacu- ated. C)pened. Drainage-tube inserted. Absce.'ss opened above Poupart's liga- ment. Drainage-tube inserted. Opened, 8."( oz.of pus evacuated. Drain- age-tube inserted. Aseptic course, soundly healed June 1877. The w ound in the thigh healed in a few daj's, but pus reaccumulated there, and it was necessarj- to open the sear. (The object of the procedure was to obtain an opening above Poupart's ligament as far away from the pubis as possible with- out the difficulty of a special dissection. It was hoped that the wound in the thigh would heal by tirst intention, and that the part of the abscess in the thigh would drain into the abdo- men.) (See T. Chan LIX.) For some time the case went on very well, but it was a matter of extreme difficulty to keep on the dressings owing to his deformity. An ab- scess formed on the opposite side and was opened in May 1877. Putrefaction occurred during the summer. Of this patient Dr. Bishop writes: 'His father removed him in August 1878 to the West of Scotland. He was then considerably improved, having youth on his side to resist the septic influences ; and when he was last heard of he was running about.' Aseptic course. The second abscess was opened February 25, 1877. Dr. Bishop says, 'Michael C. healed in March 1878. Left in May. In July 1878 he was able to go to Peterhead to the herring fishing. He returned to the fishing in 1879.' (See T. Chart LX.) Aseptic course. Dr. Bishop says : ' John B., hceiled in December 1877 ; left in FebruMry quite strong and well. When last heard of, he was employed as a colporteur.' (See T. Chart LXI.) The patient a|)i)arently suffered from carbolic l)oisoning, and therefore the dressings weie left on for a long time and were made very small, and creosote and ultimately thymol were substituted for carljolic acid. .\s the result ., July 23, 1878. Dis., June 1879. Result, cured. Op., Oat 11,1878. Dis. MMy 17, 1879. Result, cured. 0/j., May 5, 1879. Dk., Ai)ril 1880. Result, cured. Op., Feb. 6, 1880. ])is., Sept. „ Result, cured. 0/j,, June 2n, 1879. Dis., .luly ]«S(). Result, in proce.ss of cure. Op., Oct. 7, 1880. Result, cured. Large psoas abscess. Also a collection of flui'l in tlie f^ltiteal rcijioji. Curvature of the lower dorsal vertebrae. Psoas abscess, ■which had not yet passed into the thigh. Considerable angular curva- ture of the lower dorsal and upper lumbar vertehne. Psoas abscess pointing in the thigh. Had noticed pain over the second and third lumbar vertebne for twelve months. Curvature of the spine chiefly in the lumbar region. Psoas abscess. Pain in back. Patient was admitted with disease of the elbow-joint. Had suffered from pain in the back for some time. An abscess was found in the left lumbar region. Psoas abscess. Prominence of first lumbar vertebra. Great pain and tenderness over that part ; she could not be touched or moved without crying out. General health verv bad. MR. LISTERS SPINAL ABSCESSES. :33 Lumbar Abscesses {continued). Treatment An incision was made into the abscess above the crest of the ilium, and six ])ints of clear fluid were evacuated. The fluid in the buttock was evacu- ated by the same incision. Wound stitched up. Opened like Xo. 17. Dniinage-tube in- serted, 14 07.. of pus with pieces of bone escaped. Opened above the crest of the ilium about its middle ; oO oz. of thin pus e;caped. Drainage-tube inserted. Opened like Xo. 17, 8 o/. of thick mor- tar-like pus escaped containing? pieces of bone. Drainage-tulje inserted. Opened. Drainage-tube inserted. Abscess opened and 24 oz. of pus con- tHining a piece of l)one evacuated. Drainage-tube inserted. The fluid reaccumulated in the buttock, and in the beginning of August, 17 oz. of serous fluid were removed bj' the aspirator. There was again reaccumulation, and 18 oz. were with- drawn on August 22. On September 4, the old cicatrix was opened and a drainage-tube in- serted. The tube got blocked, and there were reaccumulation and high temperature. (The patient was also menstruating at the time.) As soon as free exit was provided for the fluid, the tem]ierature fell. The case then followed a typical course and the wound healed during April 1879. She went home quite well and strong in the beginning of June. When the fluid was let out on September 4, it had a peculiar odour and contained numerous bacilli. These, however, disappeared in a few daj's, being apparently either dead already or incapable of developini; in the serous discharge from the wound. (See T. Chart LXII.) Aseptic course. Wound healed on March 4, 1879. Patient was in excellent health through- out the whole treatment. (See T. Chart LXIII.) Aseptic course. Healed completely on February 25, 1880. Patient improved in general condi- tion from the day of the operation. (See T. Chart LXIV.) For some days this mortar-like stuff containing fragments of bone could be pressed out. Bv February 24, the discharge was serous and the case thenceforward followed a typical aseptic course. The elevation of temperature on Feli- ruary 9, and the following days coincided with the patient's first menstruation. Healed during July 1880. (See T, Chart LXV.) .Vseptic course. In the summer of 1880, as tliore was no discharge, even though the sinus had not healed, the patient was allowed to walk about. When the hosjiital was closed in July 1880, the sinus was still unhealed. He was sent lionie to be treated asepticallv by his own doctor. (See T. Chart LXVI.) " Aseptic course. The pain in the back di-ap- peared in a few days and tin; patient's health rapidly improved. Found liealed on June 16, 1881. Patient tlien well and strong and quite free from jiain or tenderness. (See T. Chart LXVII.) m smamm immmam^mM ■ ziv TEMriHA'II (!K CHAHTS OF CASKS OK I'SOAS AND LUMBAR ABSCESS. I T.YTT XXL zjnrr 7, XIV LXV ,Im rwEM EiMElM E ME MEM EM E M E M HM EM EM E I ■■■■■■■■■■■■ ■■■■■■■■■ ■■■ Bptap Lxvr L.\\7f 'J';;.\ii'EiiATrKi'; Chauts n\- ('asks op I'shas and Lr.viHAit Ausckss (^(■(intiiHird ). 636 RESULTS OF ANTISEPTIC SURGERY. Another case was admitted during these years, a little child with psoas abscess. This was opened aseptically, but the parents insisted on removing the child 3 days after the oj)eration, for no apparent reason. As of course such a case could not be of any value in regard to the effects of treatment, I have not included it in the list. We have thus 37 cases of abscess connected with disease of the spine treated by free incision and the insertion of a drainage- tube under strict aseptic precautions. Of these 23, or 62*1 p. c, were certainly cured. This figure does not however represent all the cases which recovered, for several of the patients left hospital continuing the aseptic method, and I see no reason why these did not also recover. I would thus consider that 4 other patients (Nos. 3, 7, 18, and 36) were probably also cured, giving a total of 27 cures, or 72*9 per cent, of cures. Of these 37 cases 4 died in hospital, and 1 is known to have died soon after leaving hospital, giving 5 known deaths in 37 cases, or a mortality of 13*5 p. c. But it may be said : 'The cases which putrefied and were discharged also died ; ' and no doubt some of them did. Reckoning these cases therefore as also cases in which a fatal result ultimately occurred, we should have 9 deaths in 37 cases, or a mortality of 24*3 per cent. We know however that this percentage is too high, for the boy No. 28 was improving in general condition when he was last heard of, and he very probably recovered, and the result in No. 16 was by no means certainly fatal. If we enquire into the causes of death we find, that some of them must necessarily be present in a certain number of these patients. Thus Nos. 12 and 24 died of phthisis, while No. 21 died of exhaustion, and on post-mortem examination there was found most extensive disease of the spinal column, so extensive and of such a nature that the chance of recovery under any circumstances was exceedingly minute, if indeed it can be said to have existed at all. No 5 died of a cause quite independent of the lumbar abscess ; indeed this case ought to be reckoned as one which was cured of the lumbar abscess, but which died from another cause before leaving hospital. The case shows very well the dangers of a septic as compared with those of an aseptic wound ; for for months the patient had had an open MR. LISTER'S SPIA'AL ABSCESSES. 637 wound treated aseptically without any bad result, but he did not have a septic wound many days before it was attacked by erysipelas, of which the patient died. The cases in which putrefaction occurred show very well the contrast between the course of cases where the aseptic method has failed (in other words the course of septic cases), and of those where the aseptic method has been successfully carried out. If we look at the causes of failure we shall see that in one or two cases there was good reason for it. Thus in No. 1 the abscess was opened at the upper and inner part of the thigh quite close to sources of putrefaction. It was this case which showed the danger of incisions in this situation, and led to the much better plan of opening psoas abscesses in all cases above Poupart's ligament. The immediate cause of putrefaction in this instance was that the menstrual discharge soaked the dressing and conveyed putrefaction to the wound before the accident was detected. Here also it must be noted, that the application of an elastic bandage along the margin of the dressings had not yet been introduced, and hence the edge of the dressing was not always in apposition with the skin. That putrefaction occurred under these circumstances is not a matter for surprise. No case will go wrong from this cause in future. Then in No. 28 the dressings slipped owing to the extreme deformity of the patient and the difficulty in retaining them in position, but this will probably also be avoidable in the future by careful management. In No. 31 we had the complication of carbolic poisoning — a complication happily extremely rare — and by the use of one or other of the powerful antiseptics now at our disposal we may, I think, reckon that if a similar case should occur again, there will be no necessity for such treatment as would involve the risk of putrefaction of the abscess. Then we have two cases in which no explanation is given (Nos. 1 6 and 20). These were likely due to the carelessness of the dressers ; one (No. 20) occurred during the Christmas holidays, when most of the dressers were away, and when those who were left had generally more work than they could do without hurrying over it. Altogether, I believe that in future the chances of a case going wrong are very small, as indeed we already see from the more regular progress of the last cases. For, if we 538 RESULTS OF ANTISEPTIC SUItGERY. look at the results since 187/), we find that 73*3 per cent, of the cases were certainly, and 80 per cent, probably, entirely cured, as against 59 per cent, of certain, and 72*7 per cent, of probable, cures in the preceding four years. But this does not yet give a true idea of the present probabilities, for of the two cases which proved fatal since 1875 one died of an unavoidable cause — phthisis — while in one putrefaction occun-ed under circumstances which would not now happen, viz. the absence of a ftiirly trustworthy substitute for carbolic acid. The results of the last few years, both in hospital and private practice, shew that in a patient not affected with phthisis or other dangerous malady a cure is in the highest degree probable. • If we look at the cases which recovered, we see that what I stated at p. 519 is true — that the effect of opening a large abscess aseptically and keeping it freely open by means of a drainage-tube is not a severe attack of fever, nor profuse suppuration, nor hectic fever, but is the relief of the patient from any hectic symptoms from which he was previously suffering, and his rapid return to a normal state of health without any suppuration from the abscess cavity. The change wrought in these patients is very remarkable. Some have been brought into hospital in a very feeble and emaciated condition, apparently rapidly dying, and yet in a few days after the abscess was opened they recovered their appetite, they rapidly put on flesh, and soon gained an appearance of robust health. The cases which were cured were not cured after a weakening con- finement to bed, but, when they left their beds, they were in ' With reference to all the cases mentioned, I need hardly point out that the results obtained during a number of j'ears in which a method is being developed do not give the jiresent jyrobahilH.ies of success. The asep'ic method is much more perfect at the present time than in 1872, and therefore the failures in the earlier period reduce the average results. It is only by failures that advance is made, and the failures in the earlier period have led to improvements which avoid these errors in future. For a very simple example of this look at Case 1 of the psoas abscesses, where the failure led to the selection of a better position for making the incision. In the same way other failures led to the wetting of the deepest layer of gauze, to the use of an elastic bandao-e, &c., and it is only the results since these improvements which shew the present state of matters and which now give those who employ this method great confidence in it. SPINAL ABSCESSES NOT TREATED ASEPTIC ALLY. 539 good health and strong, while when they were admitted they were in some cases miserable, weak, emaciated creatm'es. This success after opening spinal abscesses aseptically has been obtained by several surgeons who have used the method carefully, while, on the other hand, surgeons who have been apparently successful with other wounds have failed in tliese. This is the case in which perhaps of all others faulty manipula- tion becomes evident. For in an ordinary wound, as we have seen, the healthy tissues may destroy causes of fermentation should they accidentally enter the wound, but in an abscess cavity like this, such destruction will not occur, and therefore a slight error which might not matter and might escape notice in the case of a wound, will entirely upset the result here. These cases are really tests as to whether a surgeon is thoroughly versed in the details of the aseptic method ; and till a surgeon is able to reckon on success in these instances, he ought not to ventiu'e on operations of convenience, such as many operations on joints, &c., in which failure is apt to be followed by grave consequences, nor ought he to bring forward his own experience as telling for or against the aseptic system. When I come to look for comparative statistics on this subject I find none. During the Edinburgh period I do not find mention by Mr. Spence of a single case of this kind, nor do ] find reference to them by other statisticians. I have, however, in the history of this subject referred at length to the views of surgeons on the dangers of opening these abscesses, and we have seen that when they were freely opened and kept open, death was looked for in the vast majority of cases. The only methods which yielded any sort of satisfactory results were the valvular method and the method by aspiration. At the meeting at St. Thomas's Hospital, to which reference has been already made. Sir James Paget said, 'A few years ago I believed that I had never seen a patient recover after the opening of a lumbar or a psoas abscess with a free incision ; I could not remember one who had not died before the opened abscess had healed. Of late years I have known such abscesses opened with complete impunity under antiseptic treatment ; and there has seemed nothing but this treatment to account for ihe difference of results.' 540 RESULTS OF ANTISEPTIC SURGERY. CHAPTER XXI. RESULTS OF ANTISEPTIC SURGERY — (concluded). General consideration of the results. Results of the various methods in saving life. Results in avoiding infective disease. Cleanliness : definition of the term : Mr. Savory's definition and method : cleanliness has not abolished infective disease even in healthy hospitals : cleanliness is a complex method : infective diseases may appear even in the best hygienic condi- tions. The source of infective disease. Conclusions as to the value of the various methods in preventing infective disease. Deaths from prolonged suppuration after Chronic abscesses, compound fractures, &c. Operations on weak or diseased individuals are rendered possible by the aseptic method. Operations otherwise unjustifiable, but nevertheless necessary for the recovery of the patient, may be safely done by the aseptic method. The patient may be made a more useful member of society : joint cases : tenotomy, &c. : compound fracture: dangers of operations of convenience. Local results of wounds treated aseptically : absence of pain, inflammation, &c. : experiments of Yeo and Ferrier : organisation of blood-clot, catgut, sloughs. &c. Histological details of the process : Tillmann's experiments. Temperature in aseptic cases : contrast with septic cases. Local and con- stitutional course of cases not treated aseptically. Objections to aseptic surgery : carbolic acid poisoning : the surgeon is said to neglect the constitutional state of the patient : expense : trouble : necessity for the spray. Conclusion : great principle of wound treatment is Rest. We are now in a position to consider the points referred to at pages 365 and 366, and first as to the results of the various methods in saving life. In Chapter XVII. I have brought forward a mass of evidence to show what are the results of the various methods in avoid- ing infective disease, and I must now refer to this evidence very shortly. We have seen that the aseptic method, when efficiently carried out, has practically abolished infective dis- eases, and that this result has been obtained whether the hospital was one in which these diseases were only present in small amount, as in Pklinburgh, or whether it was one in which, from some cause or other, they were rife ; where the hospital ASEPTIC METHOD PREVENTS INFECTIVE DISEASE. 541 was, as it is said, infected. We have also seen that none of the other forms of antiseptic surgery give the same certainty as regards the result, and that the absence of infective diseases increases in direct proportion to the increase in asepticity of the wounds. I have merely to recall the facts from Mr. Lister's own practice, which show the difference in the results of aseptic treatment and treatment by antiseptics carried on by the same surgeon, in the same wards, during the same time, in cases more or less severe. (I cannot say ' of equal severity,' because the cases treated aseptically were, taken as a whole, much more severe than those treated with antiseptics.) The proportion of infective diseases was four times as great in cases treated with antiseptics as in those treated aseptically. But it must further be noted, that the two cases in which the aseptic method was employed and which died of infective diseases, were both cases in which, through error in the manipulations, an aseptic result was not attained ^ ; they were, in fact, septic cases. And so it may be truly stated that in no case in which the aseptic method was efficiently carried out., i.e. ivhere fermentation and micro-organisms were absent from the ivound, did the patients suffer from blood-poisoning. In other words, the aseptic method, luhen efficiently carried out, was, in Mr. Lister^s prac- tice, effectual in entirely preventing infective diseases. Similar evidence is furnished by Volkmann, Nussbaum, and others to the effect that in the very few cases in which infective diseases occurred, faulty manipulation could be shown, and this is further proved by the facts that these cases occurred at the commencement of the trial of aseptic treatment, while as yet the surgeons were learning the method, and that since they have become thoroughly versed in its use these diseases have disappeared.'^ ' That two cases in which the aseptic method was applied died of infective disease does not prove that the keeping of a wound aseptic is not sufficient to prevent those diseases, because in neither of these cases was tlie wound kept aseptic, a failure due entirely, as has been previously abundantly shown, to faulty manipulation. 2 It appears to be generally the opinion of those who have had much expe- rience in aseptic treatment, that while pyiemia and septica;mia are readily enough got rid of, greater caie is required to prevent the occurrence of ery- sipelas. The following is the explanation which J would give of this fact. 542 RESULTS 01 ANTISEPTIC SURGERY. The other methods of antiseptic surgery are powerful in this respect chiefly in so far as they prevent or interfere with the occurrence of fermentation in the discharges of wounds. And hence it is that among the best means, not entirely aseptic, for accomplishing the purpose aimed at, are treatment by irriga- tion and the water-bath, or the very free use of suitable anti- septics. The open method and free drainage are also useful, though to a less extent. It has been asserted by some writers, more especially by Mr. Savory, that the good results following the use of aseptic methods were due to cleanliness, and that equally good results are obtainable by cleanliness, combined with good ventilation, &c., as are got by the Listerian method. By the term cleanli- ness, as ordinarily employed, is meant the cleansing of in- struments and sponges, in some cases the use of new sponges at each operation and of fresh instruments in the dressing of a case, plenty of water to wash the wound with, the use of fresh and clean dressings, and great care in the ventilation of the wards. Combined with these is careful nursing, good surgery, good hygienic conditions, &c. Mr. Savory, however, defines it as 'the prevention or removal or destruction of all matter which may prove poisonous,' and this definition corresponds to some extent with the meaning of the term ' antiseptic surgery ' as employed in this work, though I have limited it to the methods which inteifere ivith the ^production of these poisonous substances, rather than to those which neutralise their effect after they are formed ; and I have also defined more clearly There seems to be little room for doubt that erysipelas is a disease due to the growth of micrococci in the skin and subcutaneous tissue, more especially in the lymph channels. Now, as we have seen, one form of micrococcus enters aseptic wounds comparatively readily, more readily than other forms of organisms. We have no absolute evidence, however, that it is only one form of micrococcus which can get in in the manner described in Chapter XII. and it is by no means improbable that the form which causes erysipelas might enter with considerable facility. Where, therefore, a wound is guarded altogether against organisms, erysipelas is avoided ; but where care is suffi- ciently relaxed to let in micrococci, it is possible that the micrococcus of erysipelas may also enter, though the causes of other infective diseases are excluded. That they cannot enter so easily as the micrococci previously alluded to is proved by the absence of erysipelas in the practice of those who use this method most carefully. MEANIXG OF THE TERM ' CLEANLINESS: 543 what the nature of the enemy is with which we have to contend. The mode in which Mr. Savory proposes to meet the require- ments of his definition is the following : ' Taking a case, say, of amputation through the thigh, or of excision of the breast, I should treat the wound in the way following. Having care- fully arrested all hemorrhage, using most probably the car- bolised catgut ligature, and having gently removed any particles of blood-clot that may have lodged on the surface, employing only clean water or sponges just rinsed out of it, I should, without any further interference with the surface of the wound, bring the edges together, adapting these as nicely as possible with silver-wire sutures. I should not in any way attempt to close the wound completely, but I should leave spaces between the sutures, perhaps from one to two inches long. Then, over the course of the wound and for some distance on each side of it, I should place a layer of folded lint which had been previously well soaked in olive or almond oil contain- ing one part in about 50 of carbolic acid. Over this again I should place two or more layers of dry lint, either with or with- out cotton wool ; so arranging this as, by gentle and equable pressm'e, to secure without any violence, as far as practicable, the accurate adaptation of the surfaces of the wound through- out, avoiding thus any considerable cavity in the interior. I should secure all this by strapping or bandage, or both, so adjusting these that they may be hereafter removed with the least disturbance. I should place the patient and the wound in the most comfortable position possible, having especial care to the fact that fluids, as they form, may flow outwards. ... As a rule I do not disturb this arrangement for forty-eight hours, although very often I change the dressing and inspect the wound after twenty-four. . . . The dressings are removed with the utmost gentleness, and the state of the wound carefully inspected. Especially is attention directed to whether there is any tendency to the lodgment of fluid ; whether that which forms can escape freely ; whether there is much tension of the edges. ... If the wound presented no other evidence than that of satisfactory repair, I should dress it as before, and pro- ceed in this fashion, dressing and examining it daily or less frequently, according to circumstances. But if at the flrst 544 RESULTS OF ANTISEPTIC SURGERY. dressing, or at any time afterward, the discharge became at all profuse, or the surfaces did not remain in contact, or there were much tension or a blush at the edges, I should forthwith substitute a bread and water poultice for the previous dressing, and probably continue to employ this until at least all the deeper portion of the wound had closed. When I dressed the wound, I should wash it probably from the first with tepid water, perhaps containing some permanganate of potash in the form of Condy's fluid, or other potent antiseptic of the least irritating kind. I should accomplish this, washing out, if I thought fit, portions or even the whole of the interior by the use of a syi'inge, avoiding contact of sponges or other substances with the wound. I aim here at the utmost possible cleanliness, having at the same time due regard to the avoidance of any unnecessary disturbance, that the process of repair be not in- terrupted. And withal I endeavour, by means I need not indicate, to secure for my patient the most complete rest and the purest air.' Such is the way in which Mr. Savory proposes to carry out the ' prevention or removal or destruction of all matter which may prove poisonous.' I do not intend to discuss whether or to what extent this method will succeed in fulfilling these requirements ; I leave that for the reader of the preceding pages to decide. I quote it as showing what the best surgeons mean by the term ' cleanliness,' and it will be seen that Mr. Savory's description of treatment by scrupulous cleanliness does not materially difier from what is ordinarily understood by that term. I must now proceed to inquire whether this cleanliness ' is ' It is too much the fashion at the present time to assert that cleanliness, as the term is now emploj'ed, existed long ago, and to speak of it as an ex- planation of the results of the aseptic method which has been overlooked by Mr. Lister. On the contrary, cleanliness as at present understood is one of the leading developments of Mr. Lister's writings. The disinfection of instruments, sponges, &c., is the leading feature of his system, and was not attended to before he wrote. The avoidance of silk ligatures by the use of catgut ones is due entirely to him, for, though catgut had been tried before, it had failed, and it was not till Mr. Lister discovered how to prepare it that it was of any use. Drainage also, though introduced long ago, and again brought into notice by Chassaignac, was very imperfectly used till Mr. Lister worked with it, showed its importance, and demonstrated the best mode of employing it. Cloanliness in the common acceptation of the term is not a feature of CLEAyLINESS teksijs INFECTIVE DISEASE. 545 really as etfectual in preventing infective diseases as the methods of treatment founded on the Listerian principle. If we look at the evidence on this point we shall find, that no amount of cleanliness, ventilation, &c., has succeeded in abolishing infective diseases to the same extent as the aseptic method. This is at once evident if we again look at the com- parative results in Mr. Lister's own. hands of cases treated aseptically, and of those treated with antiseptics, &c., i.e. by scrupulous cleanliness (p. 376). It is still more strikingly evi- dent if we contrast the results obtained by Professor Spence (p. 378) with those got by Mr. Lister in the same hospital and during the same time. For there we find that the total mortality in JNIr. Spence's practice was very much greater than in Mr. Lister's, whether we take the results of individual operations or the total results in the two cases. It will also be seen from jNIr. Savory's statement at Cork,^ and still better from the Eeport of St. Bartholomew's Hospital for the following year (p. 414), that infective diseases are far from abolished by the use of the ' most scrupulous cleanliness ' apart from truly aseptic means.^ This is the result in healthy hospitals. But, supposing that it were the case that these diseases are abolished in healthy hospitals by cleanliness, free ventilation, &c., there is abundant evidence to show that these remedies are but feeble in hospitals which are unhealthy or, as it is termed, infected. Look for instance at Professor Volkmann's results before and after the introduction of the aseptic method (]). 385). Before he employed it he had used cleanliness in its best sense, that is to say, he had irrigated his wounds with water and with antiseptics, treated them with the water-bath, treated them with antiseptics, &c., and yet infective diseases increased to such an extent that he had resolved to close the hospital altogether. Nevertheless, as soon as the aseptic method was introduced these diseases disajjpeared. Perhaps the most striking piece of evidence on this subject derivable Mr. Lister's method, for he is glad to allow accumulation of l)lood and dirt around the margin of the wound, so long as micro-organisms do not enter this dirt, because it protects the wound from tliu irritation of the antiseptic employed. ' Jiritixk Medical Jintriidl, August I), 187i). '^ See also the results of amputations in 8t. George's Hospital, p. 114. N N 646 RESULTS OF ANTISEPTIC SURGERY. from Volkmann's experience, is that with regard to the use of thymol (p. 404), showing that where the antiseptic employed was inefficient the surgeon mi^ht take the most scrupulous pre- cautions with regard to cleanliness and yet fail to exclude infective diseases. Similar evidence was brought forward by Professor Nuss- baum (p. 393), and his testimony is the more striking as it is clear from his results in the country hospital that he really had been treating his cases with 'scrupulous cleanliness' before he introduced the aseptic method, and yet his patients were dying in large numbers from infective diseases in the hospital in town. Nevertheless as soon as the Listerian method was introduced these diseases at once ceased. That in his practice ' scru- pulous cleanliness ' when thoroughly carried out was without effect is still better shown by the fact to which he alludes, viz. that even after years of aseptic work with absence of infective disease, these diseases, of as violent a type as formerly, were apt to attack wounds not treated aseptically. ]M;my other facts bearing on this subject will be found in Chapter XVII., and I need not recapitulate them here. It follows from what has gone before, that a method which is ineffectual under unfavourable circumstances has only a limited usefulness when they are favourable ; for, as soon as from any cause, accidental or otherwise, the circumstances become unfav(Mirable, the method becomes ineffectual. In truth cleanliness alone is no method. To be effectual it must be combined with careful nursing, efficient ventilation, good hygienic conditions, careful medical treatment, good surgery, and so fortli. Eemove one of these conditions, and in proportion to the importance of the factor displaced does the treatment become ineffectual. What the aseptic method does is to substitute a unity for a complexity, and thus to render the patient indepen- dent of any disarrangement of a number of factors. Exclude the causes of fermentation from wounds and, as the evidence I liave brought forward abundantly proves, you at the same time exclude the causes, whatever they may be, of infective disease. With the exception of a few extremely rare cases which may be left out of discussion, the causes of infective disease enter the body through a wound. If therefore these causes be CLEANLINESS versus INFECTIVE DISEASE. 547 excluded from the wound, they may be abundantly present in the surrounding air, and the patient may be in a fit condition, or in other words, may be a favourable soil for their reception, but nevertheless he will remain safe. And thus the surgeon has a feeling of certainty that in spite of the condition of the sur- rounding air, or the receptivity of the patient, the latter is safe so long as the means employed to exclude the causes of infec- tive disease prove effectual. On the other hand, aim merely at rendering the causes of infective disease inert by a number of isolated precautions, and the failure of any one of these from causes overlooked or imknown renders the j^atient liable to be attacked. There is no certainty, no security, in such a method. That a patient is liable to be attacked by pyaemia and other infective diseases, even under the most favourable circumstances, when he is not treated aseptically, is most beautifully shown by jNIr. Holmes' experience at the Wimbledon Hospital, and I do not think that I need apologise for quoting his words in detail.^ In order to test whether operations would succeed better in the country than in the town, Mr. Holmes operated on two patients at Wimbledon. ' I commenced,' says he, ' with two cases which seemed to me to be very appropriate for the experiment. One was a middle-aged man suffering from chronic disease of the tarsal bones, a perfectly healthy individual who had never, as far as I could find, had any serious disease in his life, and certainly never suffered from erysipelas. The other was a man broken down by all kinds of dissipation, and, no doubt, to a certain extent a bad subject for an amputation, but otherwise there was nothing very remarkable about the case. 1 sent these two men down to Wimbledon, and performed amputation on both on the same day, a few days after their admission into the hospital. They were treated in separate rooms, neither room having been used before ; one was in one of the wards of the hospital, the other in one of the private rooms. They were separate from each other, but attended by the same nurse ; otherwise they were in exactly the same con- ditions as a man would be in private practice. The rooms were entirely free from all possibility of contamination. They were not attended by medical students at all, but by the resident • t5cc the debate on Pyiumia. Transactions of the Clinical Socictij, 1871. N N 2 648 RESULTS OF ANTISEPTIC SURGEEY. medical officer of the hospilxil. There were no other cases in connection with them whatever, and all the other cases in the hospital were simply convalescent cases. I never saw two cases more likely to do well. One of them was certainly a case of amputation which anyone would have expected to recover, merely Syme's amputation for chronic disease. Both of these people died, one of pya?mia, the other of erysipelas. The erysipelas did not attack the stump at all, but simply the head. This appeared on the fourth or tifth day, and was followed shortly afterwards by sloughing of the skin of the back to an enormous extent, a piece as large as a soup-plate sloughing a few hours before his death. The patient died on the fifth day after amputation. The other man died on the seventh day from pyaemia.' Argue over these cases as you like, they simply shew that the contention that cleanliness, isolation, and so on, are sufficiently protective against infective disease is incorrect, for by these methods some unknown factor may be overlooked and the patient become infected. Dm-ing the debate at the Clinical Society, evidence to the same effect was brought forward by a number of speakers. Thus the president, Mr. Prescott Hewitt, mentioned the occur- rence of pyaemia in his private practice in twenty-three cases. Mr. Hutchinson also brought forward evidence to show ' that pyaemia is extremely common amongst the lower animals, and it occurs amongst them when they are not crowded in the least, but tuhen they are placed under the most jjerfect hygienic con- ditions.^ Mr. Charles Hawkins mentioned that an outbreak of phagedsena occurred in St. George's Hospital in the ward at the top of the house, ' in the best ventilated and best placed ward in the hospital.' Sir James Paget stated that pyaemia was as common in private as in good hospital practice. He says, after enumerating several cases : — ' I therefore come to the very clear conclusion that there is really nothing, I will not say in any hospital, but nothing in a well-managed hospital, which contributes to the production of pyaemia.' Dr. Barnes, who had been for some time physician to the ' Dreadnought,' referred to a great improvement which had followed the aban- donment of sponges, and the substitution of fresh tow for the cleansing of each wound, and tlie avoidance as far as possible of VLEAyLINESS vEERrs INFECTIVE DISEASE. 549 the transference of any contaminating material from one patient to another. Mr. Croft, who had been surgeon to the ' Dread- nought,' said with regard to the permanent effect of these improvements : — ' I know that after some alterations had been made in the state of the hospital, an improvement took place in the number of cases of erysipelas, pyaemia, and phagedaena, but, after a time, while Mr. Tudor was there — I am sure if he were here he would bear out what I say — both pyaemia, erysipelas, and hospital gangrene were rife.' I need not quote other facts mentioned there and elsewhere to shew that cleanliness, free ventilation, &c., are not by any means perfect protectors against pyaemia, but are liable to become ineffective from a variety of causes. I do not of course mean to deny or detract from the value of cleanliness and good hygienic conditions.^ On the contrary, they are most excellent and do much to abolish infective diseases, more especially if they are associated with free drainage, and chiefly, I believe, with the open method and antiseptic irrigation. ]My argument merely is, in the first place, that however well carried out, they do not even in the most favourable cases protect the patients entirely from risk, more especially in operations, such as on the bones, which are particularly liable to be followed by pysemia ; and in the second place, their success is so much at the mercy of numerous disturbing causes, many of them unknown and therefore to a great extent unavoidable, that they cannot form anything like a guarantee against the occurrence of infective disease. No one could say of any individual case so treated : ' I have no fear that you will die of infective disease, unless you are one of those rare individuals who apparently get pysemia spontaneously : indeed you need not take the danger of infective disease into consideration.' On the other hand, with the ase])tic method, whether the operation be conducted in an 'infected' hospital, or performed on parts particularly liable to be fol- lowed by blood-poisoning, there is practically, as the evidence ' I do not of course mean to den}' that good ventilation is useful even where aseptic treatment is carried out. Good ventilation has been shown to be essential for health, and it therefore ouglit to be carried out as far as possiljle in everj' case. I speak here of vent ilal ion, kc., as .tiihsiifiitr.t for aseptic treatment. 550 RESULTS OF AXTISEPTIC SURGERY. brought forward abundantiy shews, security against its occur- rence. The explaiiation of these facts has been furnished by various writers, and as Mr. Savory has, in his sj^eech during the debate on Pyaemia and at the meeting of the British Medical Association at Cork, summarised the points which are es- sential for understanding the modus ojjerandi of antiseptic sur- gery, and for showing the necessity for truly aseptic treatment, I may quote what he says : ' We may take a decomposing fluid, inject it into the blood, and produce all those effects which are generally recognised as the effects of pygemia.' The poison ' is formed during the decomposition of animal fluids, animal fluids in connection with the living human body.' ' Decomposition is unquestionably hastened by exposure ' to air. ' Most of all, the introduction of other matter in a state of active decomposition increases vastly the rate of decomposition of the original fluid.' This decomposing fluid ' can, by a syringe, be introduced at once into the blood of an animal, and produce the most terrible forms of blood-poisoning.' ' As we have been already told, the not unhealthy pus, normal pus, may be injected into the circu- lation, and you do not get as a necessary result, by any means, pyaemia. But pus is an animal fluid, which, of all fluids, is most likely to be found in contact with wounds, and, obeying the law of exposed animal fluids, is exceedingly likely to undergo decomposition ; and then pus, undergoing decomposi- tion, will produce pyaemia, as any other fluid will produce pyjTemia which is in a state of decomposition.' 'Take pus ; you do not want to go to decomposing vegetable and other animal fluids; you may do it with them, but take pus, and with it I could make a case of py;iemia or septicaemia according to order, by the length of time which I kept the pus before I injected it ; and I know very well, in experimenting on this subject, one may produce all degrees of the disease, and may say that the chances of getting secondary abscesses are in direct ratio to the length of time an animal lives after it has become inoculated with the poison. When the poison is thoroughly septic, when you have that terrible substance which Dr. Bm'don-Sanderson has shown us how to get in the peritoneal cavity of an animal, the blood h(;comes so poisoned and spoilt that it kills outright, and RESULTS OF FERMENTATION IN WOUNDS. 651 there is no time for the secondary effects to supervene.' And then how is it that this fluid can be in contact with granulating siu-faces, and yet the patient be free from all symptoms ? Simply because the granulations protect the patient against the absorption of the ' terrible substance ' in contact with them. There are other reasons which I need not mention here, but the most powerful is that which I have just stated. I again quote Mr. Savory : ' The best work done in late years in this direction are those, experiments which Billroth and other persons have performed, showing that where granulations are healthy, when they exist in their integrity, they offer a decided obstacle to the passage of the material from without to within ; liut when these granulations become destroyed, either mechan- ically or by other means, whereby they are brought into an unhealthy state, these fluids pass with fatal facility through them and so gain entrance into the blood.' I have already demonstrated that the decomposition of organic fluids and tissues was dependent on the introduction of particles into them from the outer world, and that these particles are bacteria or their spores. The latter point is not absolutely essential for the question at issue, indeed Mr. Savory sums up the essential points as follows in his address at Cork. ' I turn away from any farther inquiry as to the natiu-e of these septic particles. . . It is enough for us that they are septic; that they can pro- duce and promote putrefaction ; and further, that fluids so changed by them may provoke those terrible effects tvhich are only too well knoivn as blood-poisoning.^ ' T do not pledge myself to all Mr. Savory's conclusions, more especially where he states that he can get pysemia and septi- caemia according to the length of time that the decomposing fluid has been kept or that the animal has lived after inocula- tion ; but the statements taken as a whole reflect fairly well the present state of knowledge on this subject, and are sufficient ex- planation of the results of the different varieties of antiseptic surgery in regard to infective disease. They shew that no pre- cautions which do not entirely prevent the growth of organisms in wounds can be trusted to remove the patient altogether from the risks of blood-poisoning, for if organisms are not entirely ' The it.ilics are mine. 562 RESULTS OF ANTISEPTIC SURGERY. excluded from wounds, aud if these wounds are not very care- fully drained, fluids may be confined in the deeper parts of the wound and there undergo decomposition. The use of a bread and water poultice greatly facilitates the putrefaction of the dis- charge ; and thus it comes about that a patient so treated is practically only protected from the ' terrible poison ' in his wound by a thin and delicate layer of granulations. If these remain whole and healthy all may be well,' but if from ■ some injudicious movement this layer is ruptured, or if from some other cause the granulations lose their vigour, then the patient is liable at any moment to the entrance of the poison into his circulation, and to the consequent dangers. Mr. Savory considers that the term ' antiseptic surgery ' is synonymous w4th the term ' good surgery.' I would ask, if it is good surgery to leave a patient subject to the risks just mentioned, and dependent for his safety on a number of factors, any one of which may fail to act and upset the remainder; or whether it is not better surgery to keep away altogether from the wound the causes of the formation of this ' terrible substance,' and thus make the patient independent of the numberless accidents which might render him liable to the absorption of the poison, if it were already present. Cleanliness, isolation, ventilation, poultices, drainage with gutta-percha tissue, &c., may be very excellent when suitably combined and carried out, but, as I have already pointed out, this is a system so complex and so im- practicable as to be incapable of providing a satisfactory safe- guard against infective disease ; it is not the simple thing which some hold it to be. The true simplicity, I again say, is where there is only one factor to be considered, as in the aseptic method. I do not intend to enter in this work into the discussion of the germ theory of infective disease at all. To do so thoroughly would require much more space than I have at my disposal ; and further, its discussion might tend to obscure the real prin- ciple which is at the basis of antiseptic surgery ; for, as I have already pointed out, the tendency in the present day is to bring ' This does not by any means always follow, for some forms of micro- orfi;anisms may be able to j)enetrate through healthy granulations, and produce infective disease. MICRO-ORGANISMS AND INFECTIVE DISEASE. 553 prominently forward the germ theory of infective disease, and thus lose sight of the real points at issue. For my own part, I consider that the evidence in favour of the germ theory of infective disease is overwhelming, and I constantly admire the temerity of those who, often through ignorance of the present state of knowledge on this subject, ridicule it and speak of it as far from proven. It is sufficient, however, for our purpose to recognise that when the precautions taken to exclude micro-organisms are successful, the causes of infective disease are also excluded. This is an absolute rule. Look at any of Mr. Lister's cases which went wrong ; they only did so after fer- mentation had occurred in the wound, after the aseptic method had failed to exclude micro-organisms. And so we may draw this rule, that if organisms are absent from a wound, that wound having been properly examined, the patient is prac- tically safe from the occurrence of infective disease. If, how- ever, organisms are present, he may become liable to these affections from causes depending on a variety of accidents which we cannot consider here. This we may accept without in any way adopting the view that bacteria are the causes of infective disease, for all that we need hold is, that the pre- cautions necessary to exclude bacteria are sufficient also to exclude the causes of infective disease. That the aseptic system, of all the methods of wound treat- ment, is the most certain and perfect protector against infective disease, is perhaps even more strikingly shown by the results of operations on healthy joints and bones, which are, under other systems, particularly liable to be followed liy infective disease. Such operations have been justly looked on as pecu- liarly dangerous, and as only warranted under exceptional circumstances, while it is also pretty universally conceded that if they can be performed subcutaneously, i.e. more or less aseptically, the danger becomes much less. No other system, however, not even the most scrupulovis cleanliness and the most ])erfect ventilation, has ever enal)led the surgeon to cut freely into healthy joints or to operate on healthy bones, and \o keep up a communication between the external air and the injured bone; or joint, witliout incurring tlie greatest danger to the patient, and that danger cliiefly from infective disease. .')r>4 RESULTS 01' ANTISEPTIC SURGERY. And yet the reader has only to turn to Chapters XVIIT. and XIX. to see that such operations can be done with safety under aseptic precautions. As I have already discussed these facts in detail, it would be mere repetition to dwell on them here. We have thus applied crucial tests to the various systems, with the view of ascertaining to what extent they may be de- pended on as barriers against infective disease, and we have seen that the aseptic method is the one which has done most in this direction, and, indeed, that under certain circumstances it is the only one which can be depended on at all. It follows from this that, as it protects against pysemia, even in the worst cir- cumstances, it will be equally certain under more favourable conditions ; and as we have seen that no other method of treat- ment is anything like an absolute safeguard against infective diseases in cases liable to be attacked by it, and as these diseases may occur, as we have just shown, even though rarely, under the most favourable conditions, it follows that unless any sufficient reason exists against its use in any particular instance, Listerism ^ ought to be employed, as far as possible, in all cases, and where it is not applicable the most strenuous at- tempts ought to be directed to the limitation as far as can be of fermentation in the wounds, and to the avoidance of any distiu"bance such as movement, or anything which tends to make the granulations unhealthy and thus render the patient liable to the absorption of the products of fermentation. But death after operations and wounds is not only due to infective disease, it may occur as the result of exhaustion, hectic fever, e^c. Among these the most important are the deaths which ensue as the result of prolonged suppurations, most strikingly seen after opening chronic abscesses connected ' I need hardly repeat what I hope I have already made sufficiently clear, that there is a difference between the terms ' Listerism ' and the ' Listerian method.' Listerism is the great jJ7-i)icij}le of wound treatment introduced by Mr. Lister, a principle which may be applied in various ways. The best mode of application of this principle is that worked out by Mr. Lister himself and known as the Listerian metliod. Some surgeons have introduced various modifications of the method, but they still practice Listerism, though not strictly the Listerian method. Tliat the Listerian method is the be.st mode at present known of carrying out Listerism cannot be doubted. DEATHS FROM PROFUSE SUPPURATION. oc5 with carious vertelirne. In this case we have a chronic disease of the bone, which has led to the formation of an abscess in connection with it. The cause — the chronic disease of the bone— which primarily led to the formation of the abscess, was not very active, and thus the abscess was chronic in its com- mencement, i.e. not attended with any marked symptom of inflammation ; the causes — the chronic bone disease and the tension exercised by the pus already formed on the walls of the abscess cavity — which induce the continued formation of pus act very slightly, and thus the abscess increases but slowly, and if tlie inflammation of the bone cease and the pus be not very tensely confined in a sac, it may become a cheesy mass or even be entirely absorbed. As a rule, however, there is suffi- cient tension on the walls of the sac to lead to continuance of the pus formation, steady though slow increase of the abscess, and maintenance of the bone disease. So long as the skin re- mains unbroken this abscess increases very slowly. If now the pus be withdrawn by means of an aspirator or by a trocar and canula, and no causes of fermentation be admitted, it may happen, though in truth very rarely, that there is no reaccumu- lation of pus, the residue which was not removed by the aspi- rator is absorbed, the cavity closes, and the disease is cured. In some cases repeated aspirations are necessary to secure this re- sult, but in the majority of instances the abscess steadily increases in size and must at last be opened, or bursts externally. And now if no care be taken to exclude the causes of putrefaction, the state of matters becomes very different from that which existed before the skin was broken. As we have already seen, and as the behaviour of the chronic abscess so longf as the skin is unbroken abundantly shews, pus has no inherent tendency to undergo fermentation. We also know that the gases of the air cannot induce fermentation, but that particles in the air and deposited on surrounding objects can. If the abscess is opened without sufficient aseptic precautions, of whatever kind they be, these particles must gain admission into the pus in the abscess cavity, and as there can here be no destructive action of the living tissues on these particles, fermentation occurs. And this fermentation may or may not be putrefactive, but whatever it be, its products are always more or less chemi- ooG RESULTS OF ANTISEPTIC SURGERY. cally irritating ; and the effect of the appHcation of irritating chemical substances to granulations is to cause them to suppu- rate. P'urther, these irritating chemical substances — the pro- ducts of this fermentation — are not transiently applied but are constantly present day after day in contact with the granula- tions, for as we have seen, the ' vital ferments ' have an in- definite power of multiplication, and thus there is a constantly fresh supply of the irritating products. The result is the pro- fuse suppuration which constantly follows free incisions into these abscesses, and the consequence of this prolonged and free suppuration is hectic fever, exhaustion, waxy infiltration and degeneration of various internal organs, and ultimately, in the great majority of cases, death. On the other hand, prevent the entrance of micro-organisms, as I have shewn can be done by the aseptic method, and the pus remains as unirritating as formerly There is no more reason for great formation of pus after than before the abscess was opened ; indeed, the granu- lations are relieved from the tension of the pus, and are there- fore less irritated than before and secrete less. And then in a few days tlie greater part of such an abscess cavity closes by adhesion of the granulations, and only a sinus is left leading to the seat of disease. But the granulations lining this sinus do not suppurate because they are not irritated, and hence all that happens is a slight transudation of serum, perhaps not a couple of minims in a week, and this continues till the disease is cured and the sinus can close. Thus, during the treatment the patient is not exhausted by profuse discharge, while he is relieved from the presence of the abscess, which by the tension of its contained pus was keeping up the chronic inflammation of the bone and was a source of constitutional irritation. And thus we constantly see that, where such abscesses are opened aseptically and ke^tt aseptic, the patient's health at once begins to improve. That these are not mere theoretical speculations, but that they are fair deductions from the facts, will be evident to any one who will carefully weigh tlie facts brought forward in the history of antiseptic surgery and in Chapter XX. For there we see that the only method of treatment which could be said to be of any service at all in these cases, excepting the Listerian DEATHS FROM PROFUSE SURPURATIOX. 557 method, was Abernethy's mode of punctm'ing with a trocar and canula, or of making a valvular incision into the abscess. On the other hand, we have the much better results of aseptic treatment, results not obtainable by the so-called simple methods of cleanliness, free ventilation, &.c. I need not go into the discussion of these results again ; the facts have been sufficiently given in the last chapter. Though this is the most striking instance in which profuse suppuration leads to loss of life, yet in many other cases great danger is caused by its occurrence. Thus in many injuries of bone, such as compound fractures, very profuse and prolonged suppuration often follows which may endanger the life of a weakly patient, or may even in the case of a healthy patient lead to amyloid infiltration and degeneration of the internal organs. This is chiefly the case where necrosis of portions of the fractured bone occurs ; the necrosis may be due to the injury directly, a portion of bone being deprived of vitality or separated from its vascular connections at the time of the accident, but more frequently it is the result of acute in- flammation of the bone, acute suppurative osteitis, which supervenes on the injury, and which is due, as is at once evident from comparison with the behaviour of a simple fracture, to the existence of a communication between the injured bone and the external air, and the consequent occmTence of fer- mentation and formation of irritating products in the wound. But, if the wound is kept aseptic the fracture behaves exactly as if it were a simple one, the danger which results from the external wound being completely avoided. There is therefore no acute inflammation either of the soft parts or of the bone, and hence no necrosis from this cause ; the process of repair at once commences. And, just as in the simple fracture, in the way which will be described more minutely presently, portions of bone detached from their vascular supply do not therefore give rise to suppuration, and indeed, by no means require removal, but become encroached on and removed by the surrounding new tissue. Here also this result depends on the asepticity of the wound, however brought about, whether by the aseptic method, or in rare cases by absolute immobilisa- tion or the formation of a crust. If once fermentation occm".s 658 lii:SULTS OF ANTISEPTIC SURGERY. in the wound, suppuration takes place, detached portions of bone are always separated, and frequently necrosis of living bone results. An abundance of facts which prove these views have also been brought forward. The same remarks apply to lacerated wounds, though in these cases the suppuration is not often so great, or at least so long continued, as to endanger life. Wounds of joints also, though perhaps most frequently fatal in the iirst instance from saprsemia, septicaemia or pyaemia, yet when these dangers have become slight, are still serious from the prolonged suppuration which follows. We have fully de- monstrated that these dangers are all avoidable by taking measures to prevent the occurrence of fermentation in the joints (see Chapter XVIII.) There are many other cases, which I need not consider, in which the avoidance of profuse and prolonged suppuration is a matter of the greatest importance, sometimes even of life and death. I shall just mention one example more — acute osteo- myelitis. In this disease, if the patient escapes the primary dan- gers from infective diseases (see definition of the term in Chapter XVII.), he is certain to suffer from prolonged and very profuse suppuration, on account of the death of the bone to a greater or less extent. To avoid these risks amputation is frequently resorted to, but recently Mr. Spence has recommended the excision of the inflamed bone, and has had some good results from this procedure. Neither of these operations are, however, necessary if the case be treated aseptically. It is generally merely requisite to open the abscess freely, wdth the necessary aseptic precautions, and to attend to free drainage, and as a consequence suppuration ceases at once or is very slight, and sometimes the wound heals up without any separation of dead bone whatever, or if this occurs it is generally merely a super- ficial exfoliation. Mr. Lister has had several excellent cases treated in this way. The case of osteomyelitis is of course by no means so typical as the other instances which I have men- tioned, because, as we have seen, micro-organisms are always present in the pus of the abscess in connection with the bone ; but nevertheless its course, if treated aseptically, is often markedly different from that which it follows when treated otherwise, and this, and the fact that some cases do better than OPERATIONS ON WEAK INDIVIDUALS. 559 others, may be explained by tlie other fact previously mentioned (p. 256), that in many acute abscesses the micro-organisms are probably dead when the pus is evacuated. Then again, if we consider the case of necessary operations on weak or diseased individuals, we shall find that the aseptic method more than any other has diminished their risks, and indeed, with regard to many, alone renders thek performance possible. The good health of the patient is one of the many conditions necessary in the sort of treatment which we have just been considering under the head of cleanliness, free ventila- tion, &c. If the patient be in a weak state, his resisting power to septic influences is less, and the protecting layer of granula- tions is less potent to resist the entrance into the system of the * terrible substance ' in contact with it. Let the patient be weak, and he can, for a shorter time, endure the exhausting suppuration which may follow the operation, a time too short, it may be, to permit of recovery from it.^ This is a point of view from which the subject has been regarded by most surgeons who have adopted the aseptic method thoroughly. Thus Mr. Wood, at the meeting of the British JNIedical Association at Cambridge in 1879,^ said of the aseptic method, that one great reason for employing the Listerian method was ' that it saved a considerable percentage of weakly constitutions, upon whom it was absolutely necessary to operate, and who would die unless for its precautions.' Among these instances may be mentioned cases of amputation in patients suffering from phthisis. The difference uf opinion which exists on this subject is of com"se well known, and many surgeons refuse to operate where marked ' Operations on patients suffering from albuiuiniu-ia scorn to be les:; dangerous if treated a-septically than a wound is when treated in other ways. This is easily intelligible, for when not treated aseptically there is frequently absorption of products of fermentation from the wound. In a healthy person this may not be of much consequence, the poisonous materials being probably got rid of in great part by the kidneys. Where, however, the kidneys are diseased this material may not be got rid cf, but may accumulate in the blood and poison the patient, or may act on the kidnej's and cause them to stop work- ing and lead to the patient's death from uncmic poisoning. Both these dangers arc avoided if the case is treated aseptically, for in that case this material is not formed in the wound. - British Medical Journal, vol. ii. IbTii. 560 HESULTS OF ANTISEPTIC SURGERY. phthisis is pieseut. Of course, where a wound is not treated aseptically, and where healing does not occur by first intention, suppuration takes place, and where the patient is weak this reduces him still further, and, if the wound is large, may only hasten his death. In these cases also the irritative fever which occurs is particularly dangerous. Where, however, union by first intention occurs, irritative fever and suppuration are absent, and the removal of the disease is a relief to the patient. As the aseptic system not only favours union by first intention, but also prevents the occurrence of fever and suppuration in cases where union by first intention cannot take place, am- jiutation in cases of phthisis is a much more hopeful procedure than formerly. Several of jNlr. Lister's cases have been striking examples of this. And fui'ther, operations can now be performed which may be necessary for the recovery of the patient, but which would have been almost certainly fatal under the former methods of treatment, and which were therefore considered unjustifiable. This of course follows from the facts narrated in the three preceding chapters, for if an operation such as the incision of a healthy joint may be safely performed for the removal of an inconvenience, it must be equally safe when performed for the removal of something which, if left, would imperil the patient's life. I may quote two facts from Professor Volkmann's speech at the recent International jNIedical Congress.' ' For a large enchondroma in the cortal pleura that occupied the left wall of the thorax. Professor Fischer removed a large piece of the chest wall and ribs, so that the heart and lungs were exposed and an opening as large as a child's head was made, and yet the patient was able to be discharged from the hospital after four weeks.' ' In the case of a large echinococcus of the liver, which in front and at the side was covered with thick layers of liver tissue, and which i)rojected into the thoracic cavity, after resection of the seventh rib, I opened the healthy pleural cavity, which was free from adhesions. The thorax was freely opened, the thinned diai)hragm cut into, the echinococcus sac opened, the animal bladder extracted in toto, and the patient recovered without complication. A similar operation with like results was conducted by ]Mr. Israel of Berlin.' On this point ' Si'C Lancrt, AuiTiist 18, 1881. ■LISTERISM AIDS CONSERVATIVE SURGERY. 561 also Mr. Wood says : ' ' And another point from which he ' (Mr. Wood) ' had been in the habit of considering it ' (the aseptic system) ' was this : that it extended the aim and scope and value to the community of surgical skill in eases on which it would be too risky to operate without the extreme precautions which antiseptic surgery affords. There were a great many operations which they were doing at the present time which would have been considered wild, and which were now by many considered unjustifiable, otherwise than with their improved means.' There are, however, a great many other points which have to be attended to in the treatment of wounds besides the saving of life ; we have to look to what Sir James Paget calls the ' w^ell- doing ' of the patient. Now as the aseptic method allows the performance of operations which would otherwise be considered unjustifiable, it is evident that it must in many cases enable the surgeon to render the patient a more useful member of society than he would otherwise be. Take, for instance, any interference with the movement of joints from some cause (say the presence of an exostosis) which would involve the o})ening of a great articulation in its rectification ; here the aseptic method permits an o})eration which would not otherwise be possible. Look at Mr. Lister's list of joint cases, and see whether or not some of the patients have been rendered more useful members of society by the aseptic method. Take the simple operation of tenotomy. How impossible it was till the subcutaneous method was introcUiced ; but as soon as a method was found by means of wliicli the causes of fermentation were excluded from the wound, tliese operations became frequent, and they certainly daily increase the use- fulness of many patients. And what was im})ossible in this department in former days by means of free incision, is possible n, 1881) makes the following true remark on this point : ' Most of tlie unfavoinable judgments,' says lie, ' passed nn this metliod afe due to the fact that surgeons who have not yet learnt to experiiuent ivitli it have already made it the .siihjcut of their experiments.' EXPERIENCE NEEDED FOR ASEPTIC WORK. 565 before to commence with one of these operations on the living human body. It is just the same with aseptic surgery. For its proper practice are required a scientific training, and more especially, a training in experimental work with its consequent acquirement of patience and dexterity. Let the beginner com- mence its practice in simple wounds where but little harm will result from his failures, or, better still, let him try some experi- ments on fluids contained in flasks. Then, just as the operator feels his way to more serious operations, so the surgeon operat- ing aseptically extends the application of his method ; and just as the experienced operator may proceed with confidence to operations which in the hand of an inexperienced man would be very doubtful procedures, so the surgeon practising Li sterism may with confidence in its protection perform operations which would otherwise be unjustifiable, such as many of the opera- tions of convenience of which we have been speaking. He has then chiefly to consider whether the advantage to be derived from the operation is worth the inconveniences attending its performance. Of course if one has to deal with a large num- ber of cases one cannot say that all of them will do well : in some one or other the experiment may fail. Where there is a large number of cases or a continuous run of successes the sur- geon may become less particular than in any special case which he has determined to keep right, and an accident 7::aight occur. But we may fairly put the matter in this way : given any single case, say of incision into a joint, the surgeon may reckon with certainty that in that particular instance no harm will result from the operation. When, therefore, the surgeon under- takes one of these serious operations he should realise the dangers which are run and the means of avoiding them, and should devote his most careful attention to the case in ques- tion throughout the duration of the treatment. If this is done it is right to undertake such operations if their performance can increase the usefulness of the patient. I have said that operations performed aseptically, where the wounds remain aseptic and wliere they are properly treated otherwise, are not followed by any local or constitutional dis- turliance, and I must now say a few words on tins point. And 56G RESULTS OF ANTISEPTIC SURGERY. first with regard to tlie local progress of a wound treated asep- tically. Where the wound is treated aseptically by the method formerly described (where the drainage is efficient, where the stitches are not too tight, and where tliere is no other local cause of initation, such as movement), no inflammation occurs ; there is no swelling nor redness of the edges, as is so frequently the case in wounds treated otherwise. The skin around the wound remains as pale and as lax as it was when stitched up at the time of the operation ; there is no evidence of reaction. Thus it comes that such wounds are quite painless, and their edges may be pressed and handled without occasioning the patient any uneasiness. Hence even after the most extensive operations the patient remains free from pain ; indeed, the opera- tion being performed under an anaesthetic, and there being no inflammation afterwards, the whole treatment from beginning to end is unattended by any suffering. Patients constantly express their astonishment that the pain which they perhaps mostdreaded is absent ; and this astonishment is the greater if the patient has been previously operated on and treated by the older methods. • Then, as the result of this absence of inflammation, the scar is linear and soon becomes hardly apparent. One or two sur- geons have stated that the scars after wounds treated aseptically were conspicuous, and that therefore the method was unsuitable for wounds on exposed parts. This statement must, however, rest on some mistake — either protective has not been used or some other error has been committed ; for my own experience, which is now very extensive, is, that an inconspicuous and linear scar is one of the most striking results of the treat- ment. But not only is there absence of inflammation along the cut edges of the skin, it is also absent from the deeper parts of the wound. Thus there is no suppuration even where the deep structures are not absolutely in contact. The discharge from the drainage tube is purely serous and rapidly diminishes in amount so as to render the drain unnecessary in a very short time. The importance of this absence of inflammation in the PROGRESS OF WOUNDS TREATED ASEPTIC ALLY, mi deeper parts of the wound has been well shewn by the advan- tages gained by the application of the method to experiments on the lower animals. This is perhaps best illustrated by the experiments recently performed by Professor Gerald Yeo on the brains of monkeys. In Dr. Ferrier's former experiments on the brains of mon- keys for the purpose of investigating the function of the various parts of the brain, no attempt was made to keep the animals alive after the operation, because, as the result of ex- perience, encephalitis was looked on as a certain consequence. The attempts which were made failed owing to the occui'rence of encephalitis, with the exception, I think, of one animal which lived for some time. It was therefore deemed useless to attempt to preserve the animals, for the after effects of the injury done at the time of the operation were so complicated by the effects of the inflammation which succeeded, that results of any value could only be obtained from observations made at the time of the operation. Lately, however (1878-80), Gerald Yeo has performed a number of these operations with aseptic precautions, and the results were extremely striking, and yielded very definite and valuable information. Twenty-six operations were done. In the first case great difiiculty was found in retaining the dressings in position, and this animal tore off the dressings. It died in a short time of encephalitis, and was the only one out of the twenty-six in which inflammation occurred. Afterwards a very convenient and satisfactory mode of fixing the dressings was devised, and this accident did not happen again. In the other twenty-five cases no inflammation whatever occurred, as was confirmed on post-mortem examination of the animals which died shortly after the operation, or which Avere killed after a sufficient length of time had elapsed. As no inflamma- tion occurred, the symptoms which were manifest after the operation were due to the lesion caused at the time, and thus valuable and definite facts were elicited. The gain to physio- logical observation indicated by these experiments cannot be over-estimated. Of the twenty-six cases operated on seven dit'd, the remainder surviving the operation permanently, without ever 508 RESULTS OF ANTISEPTIC SURGERY. presenting any symptoms except such as were due to the cerebral lesion. Of the seven deaths, one — the first case, in which the animal tore off his dressings — died of encephalitis ; two died soon after the operation, one from chloroform and one from shock ; one died six days after the operation from cerebral hemorrhage, and here there was no trace of inflammation ; three died apparently from the intense cold of winter, one of these surviving the operation for thirteen days without a trace of inflammation. The wounds always healed by first intention, and the dressings were dispensed with in about a week. As a result of this absence of inflammation in the deeper parts the scar does not become adherent but remains movable. This is of greatest importance after amputations where so much inconvenience is often caused by the adhesion of the scar to the divided end of the bone. This absence of inflammation is also well seen after opening bursse or hydroceles. Of late it has become very much the fashion in Germany to treat hydrocele by making an incision into the sac aseiitically, stitching the tunica vaginalis to the skin by means of catgut, and inserting a drainage tube. No inflammation follows this procedure ; the discharge becomes very slight, the drainage tube is removed in a day or two, the* wound heals, and the hydrocele is cured. (The violent inflam- mation which follows incisions into hydroceles without aseptic precautions is well known.) Similar residts are obtained in cases of bursitis, more especially of bursitis in connection with the sheaths of tendons. Incisions may be made into these, the fluid and solid material evacuated, and a drainage tube inserted, without fear of bad result, and with ultimate cure of the disease without any adhesion of tendons or other accidents which commonly follow such attempts. In cases treated aseptically the wound heals as a rule much more rapidly than when it is treated otherwise ; for where the edges can be brought into contact, healing by first intention is the rule, and even where there is a sj)ace left, this becomes filled up with blood clot which rapidly undergoes organisa- tion. "^riie organisation of the lilood clot is one of the most marked features in aseptic treatment. That blood clot may become ORGANISATION OF BLOOD CLOT. 669 organised under certain circumstances is no new fact in medi- cine or surgery. We all know what happens in subcutaneous injuries. Blood clot and lymph are thrown out, they are gradu- ally removed by absorption, or their place is taken to some extent by new tissue. In a simple fracture blood clot and lymph are present between the ends of the fractured bone. The effused material gradually disappears, and its place is taken by new tissue which ultimately ossifies. So after tenotomy ; the space between the ends of the divided tendon is filled up with blood clot and lymph, and these become organised, and thus imion again occurs. I need not bring forward other examples to show that blood clot in the living body, when protected by the skin, is gradually removed and its place taken by new tissue. In an open wound not treated aseptically the blood clot generally putrefies, and, as a result, breaks down, liquefies, and is washed away with the discharges ; the surface of the wound granulates, and thus healing takes place. Where, however, a wound is aseptic, and where it is protected from other sources of irritation, such as the action of the antiseptic employed, the blood clot in it undergoes the same changes as it would under the skin, for the aseptic method renders wounds practically subcutaneous. Thus it does not break down but remains, filling up the wound with a solid brown mass ; no granulations are seen, nothing but this brownish solid material. After some days, if this clot be scratched, it will be found to bleed, implying that new vessels have been formed in it, and on lifting up the edge of the clot a broad margin of cicatrix will often be found. If the clot is left undisturbed it fre- quently happens that after a time a superficial layer of toughish brownish material (old blood clot) may be peeled off and a complete scar found underneath. In some cases organ- isation occurs in the clot up to the level of the skin, and cicatrisation spreads for some distance under the superficial unorganised layer, and then by-and-by the remaining central portion granulates, and we have a small superficial granulating sore which rapidly heals. The occurrence of granulation may in this case, I think, be due to the entrance of micrococci, which as we have seen sometimes occurs at a late period of the case. If there is much movement of the wound, or if no protective 570 RESULTS OF ANTISEPriC SUliGEIiY. be employed, this organisation may also be imperfectly or not at all observed. The organisation of blood clot has been de- monstrated by several writers, and therefore I need not describe it minutely. The process essentially consists in this : young cells (whether white blood corpuscles or derived from the con- nective tissue, or both, is not yet determined) pass into the blood clot and gradually form fibrous tissue and vessels, which become connected with already existing ones, according to the various well-known methods of vascular formation. This process gradually extends to the surface till, after some days, as I have said, the blood clot bleeds when scratched. When organisation has sufficiently advanced, the epidermis spreads from the edge. The original blood clot takes no active part whatevier in this process : it forms a mould in which the young cells develop, and is gradually either used up as pabulum for these cells, or removed by absorption. Here, just as when sub- cutaneous, the original blood clot disappears, and its place is filled by young tissue which developed in it not from it. Sloughs are served in the same way. When a part under the skin dies, as is frequently the case where infarcts occur, it does not necessarily separate, it is gradually removed by absorption and its place is taken by new tissue. In the same way a slough of the skin if kept aseptic, and not imbued with carbolic acid or otherwise rendered irritating, does not separate but goes through the same process as the blood clot. The ordinary process of separation of sloughs is the occurrence of inflammation at the line of junction of the living with the dead tissue owing to the irritating character of the latter. (The slough causes inflammation because it is undergoing de- composition, for the products of decomposition are irritating.) But if the slough is not chemically irritating it does not cause this inflammation ; it does not irritate the living parts around. Then the young cells pass into it as into the blood clot, and the whole process is exactly the same. Thus in lacerated wounds, if rendered aseptic and kept free from the irritation of the antiseptic employed, suppuration and sloughing do not occur: the raw surfaces and the interstices between the torn pieces of tissue become filled up with blood clot, the process of organisation just described goes on, and the whole ORGANISATION IN CATGUT. 571 or the greater part of such a wound may heal without the occuiTence of granulation, suppuration, or sloughing. A similar process has been observed in dead bone kept aseptic and not loose : the granulations gradually encroach upon it, and it soon entirely disappears by absorption. The same process occui's in catgut introduced into a wound, whether for the puq^ose of ligaturing vessels or as a drain. The young cells gradually infiltrate the catgut from without inwards,' develop into fibrous tissue, remove the original cat- gut, and take its place. The ordinary process of separation of a silk or hempen ligature is, that fermentation occurs in the discharge which has soaked into it ; the ligature thus irritates the walls of the vessel on each side of it ; these granulate, and then suppuration takes place at the point of contact of the dead part included in the loop of the ligatm-e with the living tissue. When suppuration has occurred all round on both sides the ligature is loose and may be pulled away. Secon- dary hemorrhage results when the portion of the vascular wall which has undergone degeneration into granulation tissue as a consequence of this process is not strong enough to resist the blood pressure. If, however, a hempen ligature be applied around a vessel and the wound be kept aseptic, the ligature remains chemically unirritating and may never separate at all. I have seen this well illustrated in a case of amputation where the surgeon operated aseptically, but tied the vessels with hem- pen ligature and left the ends hanging out: the ligatures would not separate but had to be broken short inside the wound. If now catgut be employed it is a material which is rapidly removed by the young cells which, as I have previously said, infiltrate it, and its place, as a ring round the vessel, is taken by this young tissue, which rapidly becomes organised and replaced by a ring of newly formed fibrous tissue. Thus where a catgut ligature is employed there is no ulceration of the ' The great advantage of the new catgut prepared with chromic acid is that the cells have a great difficulty in peneti'ating it, and therefore onl}' erode its surface, and thus a stitch which luis been left in the wound for some days, though narrower where it has been in the tissues, is still firm and free from cellular infiltration. With catgut prepared by the older uiethod cells infiltrate it in a few days. With unprepared catgut the cell infiltration and tlie absorption of the thread is a very rapid process. 572 RESULTS OF ANTISEPTIC SURGERY. coats of the vessel, but after a time a ring of newly formed fibrous tissue will be found in the situation of the original ring of catgut. For these reasons also the risk of secondary hemorrhage is reduced to a minimum. The facts with regard to the organisation of the catgut liga- ture were described by Mr. Lister in his first publication on the subject as long ago as 1869,' and as some of his state- ments have been misunderstood I may quote what he says. It has been supposed by some that he held that the dead blood clot and that the dead catgut became revivified in the tissues. Such an idea is of course utterly absurd and was never entertained nor expressed liy Mr. Lister. Indeed, he speaks as follows as regards the blood clot, and applies his remarks to catgut : ' Thus the dead, but nutritious mass, had served as a rtiottld for the formation of new tissue, the growing elements of which had replaced the materials absorbed, so as to constitute a living solid of the same form.' Mr. Lister tied the carotid artery of a calf in two places with a ligature of catgut (in one place with two ligatures), and a month later he killed the calf and ex- am^ined the parts. He says : ' The two pieces of catgut which had been tied round the vessel at the distal part had become, as it were, fused together into a single fleshy band, inseparably blended with the external coat of the artery. The knots were nowhere discoverable, and the only indication of the end which had been left long at the time of the ojieration was the presence of a black speck ' (the original material contained dark mineral impurities) ' here and there upon a delicate thread of cellular tissue in connection with the vessel. The cardiac ligature was in like manner continuous in structure with the arterial wall. The short ends had disappeared ; but the mas- sive knot was represented by a soft smooth lump, which ap- peared at first entirely homogenous, except that it was speckled with dark particles as before referred to. On section, however, I discovered in the interior of the mass, and lying close to the wall of the artery, a small residual portion of the original knot, of comparatively firm consistence, and with the threefold twisted character of the cord plainly visible. It was quite dis- tinct from the living tissue, so that it could be readily picked ' Lancrt, April 3, 18C0. ORGANISATION OF CATGUT. 573 out from its bed with a pair of needles.' Here almost all the original catgut had been removed, but it had served as a mould for the development of new tissue Avhich had taken its place, and which retained the form of the mould in which it had grown. Mr. Lister describes the microscopical appearances as follows : ' A bit of the residue of the peritoneal thread, having been teazed out with needles in a drop of water, presented, like a fresh piece of peritoneum, the wavy bundles of parallel fibres characteristic of perfectly developed fibrous tissue. Adhering to the surface of the remnant of the ligature was some soft opaque material, readily washed off with water, consisting of corpuscles of different forms, most of them caudate or fibro- plastic, but some spherical, though not resembling those of pus ; and here and there fragments of the original peritoneal tissue, affected more or less with interstitial cell-development. At a short distance from the remains of the old thread, the fieshy material which had been formed at its expense proved to be a most beautiful example of fibro-plastic structure, the coarse fibres which mainly constituted it being composed of very large elongated cells, often containing several nuclei, and presenting in their course branchings and thickenings of various forms. Here and there were some fibres more per- fectly formed, and also cells of a more rudimentary character. Again, the band which had resulted from the organisation of the two fine threads of catgut, which, from the smallness of their bulk, had no doubt vanished early, having had longer time to perfect its structure, was a comparatively well deve- loped form of fibrous t,ssue, consisting of coarse fibres rather than of elongated cells, being thus intermediate between the merely fibro-plastic material of more recent growth and the completed texture of the original thread.' A number of writers have described the changes which blood clot and portions of dead tissue undergo in the process of organisation. One of the most interesting and thorongli inves- ligations on this subject has been made l)y Dr. H. Tillmanns of J/cipzig.' Tillmanns took portions of the liver, kidney, spleen, ' Experimeiitcllc imd aiiatomischu UnlLa-sucliuii^cn iilier W'umUni (lor Leber und Niere. Ein iieilraj^ ziir Lcluu V(jii dur anli.supli.schcn Wundbcilunj^. Virchow's Archir. Ud. 78, IbT'J. 674 liESULTS OF AUTISEPTIC SURGERY. and lungs of rabbits, and hardened them in absolute alcohol for one to three weeks or longer. Pieces of these hardened dead tissues were then introduced with aseptic precautions into the peritoneal cavity of rabbits (in each case several pieces were used) ; after some days the animals were killed and the state of matters investigated. Twenty animals were experi-. mented on, and into their peritoneal cavities about 100 por- tions of tissue were introduced. The animals did not appear the worse for the operation ; the temperature remained normal, and they seemed well. Of these twenty animals only two died, both of acute peritonitis : in one case an en-or was committed in the treatment, the stitches were removed too early, and the intestines protruded : in the other case the animal was suffer- ing before the operation from chronic peritonitis which after- wards became acute. When the animals were killed early, in a day or two after the operation, the masses of tissue were found to be adherent to some part of the peritoneum, and sometimes two pieces of tissue were attached to one another. Where fourteen days or more were allowed to elapse, the por- tions of tissue were found firmly adherent and much diminished in size, evidently undergoing absoqjtion ; in some places there was only a thick layer of new material containing a pulpy mass in its interior. In one animal into whose abdominal cavity a whole kidney had been introduced, and which was allowed to live for forty-seven days, the kidney had entirely disappeared ; the only thing noticeable was that at one part of the omentum there was a thickish tough spot, where probably the absorbed kidney had been attached. On investigating the process micro- scopically the following were briefly the appearances found : After twenty-four hours the mass of tissue is, as I have just said, adherent to the peritoneum and surrounded by a layer of soft new material — lymph. Any defects which existed in the margin of the specimen are filled up with this soft mass. This new material when examined is found to be composed of countless numbers of cells, which Tillmanns holds to be white blood corpuscles. If two pieces of dead tissue lie close to each other, they become adherent to each other by means of this material. If these tissues are examined at a later period, say forty-eight or seventy-two hours after their introduction, ABSORPTIOX OF DEAD TISSUE. 575 these cells are found to have increased in number and to be no longer confined to the outside of the organ, but to have penetrated into it where possible, forming, as Tillmanns puts it, streets and pathways of cells through the tissue. Thus, for example, in the case of the liver these cells penetrate in the first instance along the streaks of connective tissue which lie between the lobules, entering first those channels which are largest but gradually spreading along the smaller ones. At this time the cells have already begun to develop to higher tissue, and not merely round cells, but also elongated spindle- shaped cells undergoing further development, are found. P^ig. 39, Plate v., represents this : to the right is seen the old liver cells, and to the left the new cells which have penetrated along the interlobular connective tissue ; at the upper part these cells have already become spindle-shaped. This process gradually goes on, the young cells penetrate more and more among the dead materials, which gradually disapjjear by absorption, their place being taken by this young tissue which has come from without. This tissue rapidly undergoes further development into fibrous tissue, vessels, &c., according to the well-known processes (see fig. 40, Plate V.). The contraction of this young connective tissue and the further changes which it undergoes lead to the disappearance of the original mass and the formation of a cicatrix at its site, which also, as time goes on, tends to dwindle and disappear. Thus the replacement of blood clot, sloughs, and other dead tissues, in the living body by new material — their organ- isation, as it is commonly called — is no longer a fact resting on clinical experience alone, but is a process which has been traced step by step under the microscope. What at first sight seems remarkable, what is certainly something new, is, that this process occurs in an open wound. But when the whole facts are carefully considered, it will be seen that this ftict is only one which might have been expected, and that it is quite in accordance with well-known facts in pathology. While there is this absence of local disturbance in wounds treated aseptically, the constitutional state of the patient re- mains good ; in fact, if he has not lost much l)lood during the 576 BESULTS OF AyTISEPTIC SURGERY operation, or if the operation has not caused shock, he is, on recovery from the effects of the chloroform, practically as well as before. His appetite is perfect, and I may say here that after operations performed aseptically there is no reduction of diet even for a few days ; an hospital patient remains on full diet, and a private patient may have anything he fancies pro- vided it is wholesome, and the more nutritious the food the better. Indeed, after the opening of a psoas abscess, or after an operation which rids the patient of some depressing disease, such as a carious joint, the appetite which was previously very imperfect returns in a few days, and hunger becomes the jBBSEBEflEB jJBb Fig. 80. — Temperature Chart. Temperature chart from a ca-ie o£ ilacEweii's operation for double genu valgum (Case 69, p. 488;. patient's chief trouble. At the same time there is no fever, as so frequently occurs after operations treated otherwise. I do not propose to discuss here the subject of temperature after opera- tions ; to do so would require much space, and our knowledge of the origin and regulation of temperature changes in the living body is as yet so imperfect that we could not come to any definite conclusions. I shall therefore content myself with referring to the following facts. After an operation performed aseptically, and in which there is no cause of elevation of temperature, such as tension, the temyjerature remains normal ; or if the operation has been at all extensive, the following changes are obsei'ved, of which Chart XXXVI., fig. 78 (Case 69, p. 488), is a very good example. In this case both femora were divided, i.e. a compound fracture of each femur was made, on the same day : the temperature previous to the operation was 99° F. : on the evening of the TYPICAL TEMPERATURE IN ASEPTIC CASES. 577 operation it had fallen to 96'8° : on the following morning it was 100-6°, and then it again rapidly fell to the normal, being on the same evening 99'3°. As a rule the temperatin-e after operations performed aseptically resembles this example : the temperature is below the normal on the evening of the opera- tion, it then rises to or above 100°, reaching its highest point on the following morning or evening, and then rapidly falls to the normal line again. In some cases before reaching the normal it fluctuates for a day or two between 99° and 100°, but this fluctuation is not within the range of fever temperature but within the normal rauge.^ It is very seldom that the pulse rises in equal proportion, indeed it generally remains normal. This normal^ temperature may be disturbed for various reasons, but especially when tension and retention of secretions occur. The elevation of temperature which follows imperfect drainage is often very marked. Among the cases narrated in detail there is no good example of elevation of temperature from tension: I may therefore quote the following instance. A little boy had an unreduced dislocation backwards of the bones of the forearm of six weeks' standing. On December 9, 1876, Mr. Lister cut down on each side of the joint, opened it, and succeeded, after detaching the muscles from the condyles of the humerus, in reducing the dislocation. The parts were very tense after reduction, and the primary rise of temperature reached 101° on the day following the operation, and remained at that level for thirty-six hours ; it then fell rapidly as usual. On December 14th Mr. Lister moved the joint for the first time. That even- ing there was profuse hemorrhage, which ceased on removing the dressing. A fresh dressing was applied, but the hemor- rhage went on into the limb, which was next day very much swollen and distended with blood. The temperature rose rapidly and continuously till it reached 104*4°. On December 16th incisions were made into the arm to evacuate the blood ' It has been pointed out by Wunderlich that after disturbance of the temperature the curve often fluctuates for a day or two before regaining the normal. - Mere elevation of ten^pcrature without other symptoms cannot be called fever. Fever is indicated by a combination of symptoms, and an elevated temperature is only one, though the most striking, feature of the febrile state. P P 678 RESULTS OF ANTISEPTIC SURGERV clots ; on the following day the temperature began to fall, and on the morning of the iHth was 100-8°. After some oscilla- tions about this height it rapidly fell to normal. Here in the first instance, coinciding with tension of the parts after the operation, the primary rise reached 101°, and did not fall at once, but remained for some hours at that height. Then it fell ; but the parts became greatly distended with blood, there was great tension, and coincidently with this the temperature rose rapidly and to a consideral^le height, and again fell when the tension was got rid of. The pulse at the same time in- creased in rapidity, being on one occasion 144. XXIII Fig. 81. — TEilPEKATLfKE FROM A CASE OF COMPOUND FRACTURE, IN WHICH THERE WAS GREAT DIFFICULTY IN RETAINING THE FRAGMENTS IN POSITION (Case 27, p. 472). Why it is that the accumulation of discharges and the con- sequent tension should be accompanied by rise of temperature, often very rapid and high, is a very debateable question, and one which can hardly as yet receive an answer. At first the impression was, that this rise of temperature was due simply to the effects of the tension on the nervous system; that it was, in fact, a nervous phenomenon. There can be no doubt that several instances of elevation of teinjieratiu-e in children and hysterical women after operation are in some way or other reflex phenomena. Thus in a child the presence of a tight stitch may be accompanied by a rise of temperature, which subsides as soon as the offending cause is removed. Probably this is the reason for the rise of tem])erature in Case 27, p. 472 (see fig. 79). In this case great difficulty was experienced in keeping the u]>per fragment in position and there was therefore FErEll DUE TO TEysIOX. 670 constant disturbance of the parts. At the same time, it must be observed that the pulse rate had not increased in rapidity in projjortion, and the patient did not feel out of sorts ; with the exception of the elevated temperature there was no other symptom of fever. Here there was no fermentation in the wound and no retention of discharges, and therefore it seems probable that it was a nervous phenomenon. On the other hand, there are cases in which there may be great tension, as after subcutaneous bruises, or local disturbance of the parts as in some forms of joint disease, without an elevation of temperature at all corresponding to that which occurs when the discharges of wounds are retained. And also, the weight of evidence derived from experiments on animals seems to go against the view, that mere disturbance of the nerves of a part is a frequent or probable cause of the marked elevation of temperature which sometimes occurs in cases where there is retention of discharge. Indeed, according to Wunderlich,^ the application of external irritants has the effect of lowering the general temperature rather than of raising it, and the same author states that Heidenhain has found that iiTitation of sensory nerves constantly and suddenly lowers the temperature, except after division of the medulla oblongata from the spinal cord or when fever is present. On the other hand, it has been demonstrated that the products of inflammation (the serum of pus, &c.), when introduced into a healthy animal, cause a rapid rise of temperature, which soon passes off if no further injections are made.^ It is thus quite possible, that when discharges are retained by the blocking .of a drainage tube or for any other reason, the fever which follows is due, at least in part, to absorp- tion into the circulation of the retained materials. (In most cases of elevation of temperature from tension the pulse is ' On Temperature in Diwase. ^ That the products of inflammation should cause fever is not surprising. For, in inflammation, not only do liquor sanguinus and corpuscles pass out of the blood-vessels, but the tissue cells, which are constantly taking material from the blood and altering its constitution — in fact acting as ferments — are, I think there can be no doubt, stimulated to increased activity; their func- tion is also probably perverted, and the changes which they produce in the nutritive materials with which they are supplied may be different from those which occur in health, and may lead to the formation of substances which, when absorbed into the circulation, cause fever. p p 2 580 RESULTS OF ANTISEPTIC SURGERY. correspondingly quick, and the patient feels ill — in fact, he has fever. On the contrary, where it is a merely nervous phenomenon, I think, though perhaps I may be hasty in this conclusion, that the pulse does not increase in rapidity to a corresponding degree.) This is, to my mind, the most pro- bable explanation of the high temperature which occm's after ovariotomy in Mr. Thornton's practice.^ Mr. Thornton does not drain the peritoneal cavity, but stitches it closely up. The consequence is, that the fluid effused from the divided pedicle or from other injured parts is absorbed by the peritoneum, and although ]Mr. Thornton's wounds are aseptic, yet he has fever in many cases. This fever, however, is not fatal, for as the pedicle heals the discharge diminishes and the temperature falls. Here tension cannot be at work ; and further, surgeons who di'ain the peritoneal cavity, and who at the same time treat their cases thoroughly aseptically, do not meet with this high temperature. Which of these two is the cause of the elevated temperature in tension, or whether both may not play a part, are questions which cannot as yet be definitively settled. Though tension is the most important cause of elevation of temperatm-e in aseptic cases, there are other minor causes, such as retention of fgeces, the occm-rence of menstruation, &c. What the meaning of the transitory rise of temperature after aseptic operations is, it would be difficult to say. In some cases no doubt, where much blood has been lost, it is merely the rise which normally occurs in these circumstances. It seems to be established in the case of the lower animals, that after blood- letting, though the temperatm-e may fall in the first instance, it generally rises to a considerably higher level than that at which it stood before the blood was taken. Similar facts have been observed after blood-letting in man. This rise of tempera- tm-e after loss of blood is probably the explanation of the curve in Case 16, p. 430 (see fig. 80). Here the ankle joint of a hsemophilious child was opened and hemoi-rhage occurred from the cut surface on various occasions diu-ing the following three days ; there was no fermentation of the discharge and no tension. Nevertheless loss of blood cannot always be the cause, for what we may call the ' asej)tic curve ' occurs in ' Medico- CMrurgical Transactions, 1881. TEMPERATURE IN CASES NOT TREATED ASEPTICALLY. 5S1 cases where little or no blood is lost. In aseptic cases it is probably a nervous phenomenon, more especially as the pulse rate in no way corresponds. I cannot discuss this matter further, as much space would be required, and we do not yet know enough about the origin and regulation of the tempera- ture of the body. One fact is, however, apparent, that besides the ordinarily recognised elevations of temperature after opera- tions there is a transitory elevation tuhich occurs soon after the operation and as an infiniediate result of it, and which can be readily recognised when all other disturbing causes are excluded. I have not met with any instance of the high temperature which Volkmann has after a large proportion of Ids operations, and which he has termed ' aseptic fever,' and I do not under- stand it at all. Fig. 82. — Temperature Chart from a Case where the Ankle Joint was incised in a hyemophilious patient, and where hemorrhage RECURRED SEVERAL TIMES (CASE 16, P. 430). If one compares the temperature in cases which are treated aseptically with that of those which are not, the contrast will be found to be very marked. I do not of course by any means intend to say, that the temperature is always high after operations which are not treated aseptically ; far from it. Many wounds not treated aseptically heal by first intention, and in these there is, of course, no elevation of temperature or merely the * aseptic curve.' Further, in many wounds in which fer- mentation of the discharges occurs the discharge is drained off and but little can be absorbed ; and in other cases the wounds are small, or the conditions for absorption are not favourable. In tliese instances there will often be no marked elevation of temperature. But in a great numlier of severe 582 RESULTS OF ANTISETTIC SURGERY. operations treated by the ordinary methods of cleanliness, as described at p. 542, there is marked elevation of temperature — traumatic fever — and in some cases this passes into a septicsemic or pyaemic temperature. Look at the temperature chart of Case 22, p. 434 (see fig. 81), and contrast it with that of Case :rr 1 IITBIHM ^■■^■■^■■^i ^^ ^. ^j».*^i-M'-^ir»^Mr^j.^a»-t,^^^» BB ^^BBWWBi^B^^B^^B^^B^^M^^B^^Bi^B^^B^^B^BiB^^BB>«ft wB^BBBI 11 Fig. 83.— Temperature Chart from the Case of removal op loose Cartilage from the Knee-joint in which fermentation oc- curred (see Case 22, p. 4;54). 15, p. 430 (see fig. 82). In the former case we have a small operation performed on a joint, but fermentation occurred in that joint. As a result we have a severe attack of fever. (Here it is interesting to note that there was no ^putrefactive 7T a ct. w fci i;i it g jQQffij^QS^R^E^BEKQE^B bbb:hii wmmmmsm Fig. 84.— Temperature Chart from a Cise op operation for recent fracture of the Patella (Case 15, p. 4:?0). fermentation.) In the latter case we have an operation of greater severity, but the causes of fermentation were excluded, and there is a correspondingly normal temperature. The difference between aseptic and septic temperatures is also often very marked after serious injuries or ojierations such as com- TEMTEHATVliE IX SEPTIC CASES. 583 pound fractm-es. Contrast the temperatures in the cases of compound fracture. In eight cases of compound fracture pro- duced accidentally putrefaction occurred. In four of these (Cases 14, 17, 20, 29) it is stated that the temperature ranged for several days after the injury between 100° and 103° or even higher. In one case (No. 4), though there is no statement as to the temperature, there can be no doubt, from the description of the case, that it was high. The temperatiu'e charts of three cases are given here, and in two of them (Cases 12, 26) it will be seen that traumatic fever was present, while in only one (No. 40) was there a normal temj^erature. In one case (No. 58), in which putrefaction occurred after operation, amputa- tion was jDerformed chiefly because the temperature was rising rapidly ; and in another, of which the chart is given (Case 68, Chart 35), there is little doubt but that some form of organism got in, and here also we have a high temperature. Contrast these with the highest temperatiires in cases of compound fracture produced by the surgeon and treated aseptically. The differ- ence is so marked that I need not dwell on it.^ If we contrast the, local and constitutional course of wounds which are not kept aseptic with the foregoing description of aseptic wounds, we see a very marked difference. Look at the cases treated with antiseptics but not aseptically in the foregoing tables. In one case of wound of joint (No. 3) putrefaction was not avoided, and the case therefore became, as I have previously pointed out, one treated with antiseptics but not aseptically. Here fever and inflammation set in, and threatened to be so serious in their results that it was considered advisable to amputate. In one case of operation on a healthy joint (No. 22) the wound was not kept aseptic, and thus the case became one treated with antiseptics but not aseptically. (It was dressed throughout with the ordinary gauze dressing, ' With regard to the temperature charts published in this work, I wish to state that they have not been in any way selected ; I publish all the tempera- ture charts which I have been able to obtain. Till 1877 temperature charts were not in use in Mr. Lister's wards ; the temperatures were noted on a card, and it was seldom that the clerk took the trouble to copy them into the books, unless, indeed, the case was a serious one, and the temperature high. Hence the average of the temperatures in the charts is probably higher tiian it ought to be. * 584 RESULTS OF ANTISEPTIC SURGERY XVIII xnr jxn^ TlOME'ERATUllE CJIAKTS UK SEPTIC CASES. TEMPERATURE CHARTS OF ASEPTIC CASES. 585 T:imr __ __ _ juvm M EM EM Cm em eim eIm e ■■■■■■■■■■■■■■ ■■■■■■■■■■■■■■l ■■■■■■■■■■■■■■ XXXIX XLL ALU n.w TT.W J A N 16 17 18 19 20 21 S ' .me|memem ememem ,04 J \=wrm:rta^MrtmiTt XLPC FEBTii l e 13 K 15 16 17 ig 13 a o ei ga S3 .!Ki~e|M e|m eIm eIm eIm eIm eIm cim e|m'e|m eTm em em ■■■■■■■■■■■iil niir \.\\iC 21 '2 25 24 25 26 27 23 29 30 31 iEP.I 2 i| 104 ME^ MEME M EjM E M e|m E|M e!m EjM EjM EM E M E M E> i ■1 ill ! 101 102 10 f 100 90 93 97 P B [— 1 sna — — -I ^M-^ 1 , 1 ki 1 1 1 \^\ IS8WHHB!! ^ ---"^ l-,-y-\-^-^-^'<-^- w •" ' 1 1 ^^ TK.MI'F.RATrUE ClIAUTS Ol' ASKI'TIC CasIO o8G RESULTS OF ANTISEPTIC SURGERY. and the spray and carbolic acid were employed with the view of preventing the entrance of other mischievous particles.) In this case inflammation and fever occurred. Contrast the progress of these two cases treated with antiseptics with that of the others which were treated aseptically. The same marked difference will be seen if we look at compound fractures in which fermentation was not avoided. The constitutional results in these cases have been considered in a preceding paragraph, while locally necrosis, inflammation, and suppuration are recorded in several instances. I do not say that these are the constant results in cases treated with antiseptics, but they are the results in the series of severe operations which we have been considering, and if they occur in these severe operations there is no security whatever that they will be absent from others which are less severe. That these results often follow simpler wounds, will be evident from a perusal of the foregoing chapters. If, again, we take the open method, we find also a marked contrast between the local and constitutional consequences of wounds so treated and of those treated aseptically. Burow, as we have seen at page 334, speaks of the great swelling of the edges of the wounds, and Kronlein also tells us of the inflammation and necrosis which so frequently occur. The pain which must accompany this inflammation, and the exhaustion produced by the prolonged suj)puration, are very marked features of the open method. Kronlein,^ in his report of Eose's practice, states that it was found best not to seek primary union after amputations. He further states, that the first effect of the wound is great swelling of the flaps, which goes on increasing for some days, till, in fact, granulation is complete ; this is inflammatory swelling. Kronlein also points out, that in Burow's, or any other method in which the edges of the flaps are brought together by stitches or plasters, the result of this swelling is frequently gangrene of portions of the flaps. In- deed, he says that in 58 cases of amputation treated by the method before described (no attempt being made to bring the flaps into contact) gangrene — not hospital gangrene — occurred in six instances, or in 10*3 i)er cent of the cases, ' Luc. c'it. PROGRESS OF WOUNDS UNDER OPEN TREATMENT. 587 simply as the result of the swelling of the flaps, combined in one or two instances with injm-y to them. Kronlein also states that necrosis of the end of the divided bone occurred very fi-e- quently — in 19 out of the 58 cases, i.e. in 32*7 per cent. This happens less often in the cases where the edges of the wound are brought together, but Kj'onlein tries to make out that this is chiefly because many of the patients in whom it would have occurred die before it has time to take place. This explanation is, however, to a great extent, incorrect ; for the true expla- nation of the absence of necrosis in many cases where primary union is aimed at is that primary union has occurred over the bone, and hence the acute suppurative inflammation of the bone due to the contact of irritating materials, which results in acute necrosis, does not take place. The aseptic method, by preventing this inflammation, renders it a matter of indifference, from this point of view (the chance of necrosis), whether primaiy union occurs or not. Further, in cases treated by the open method there is generally more or less fever, showing that absolution is occurring from the wound in spite of the free escape of discharge, or indicating the presence of inflammation in the wound. Kron- lein does not enter into details on this subject, but he mentions the fact, that in only six, or 8*7 per cent., of the amputation wounds treated (67 in number) was there no rise of temperature ; the temperature in these six cases hardly ever went above 100° F. This small proportion of cases in which there was no fever contrasts markedly with the results after aseptic operations. The open method also possesses other disadvantages which make the contrast with the results of the aseptic method still more marked. Thus there is a constant tendency to the for- mation of crusts, which are apt to lead to retention of fluids and their fermentation beneath the crust ; thus the wound loses the advantages of the open method. Other disadvantages have been previously alluded to. The local results of treatment by irrigation and the water- bath are also not so good as those after aseptic treatment, and these methods possess several disadvantages. These disad- vantages have been previously mentioned, and I need now only allude to one or two. Thus the water is apt to run into the 588 RESULTS OF ANTISEPTIC SURGERY. bed and wet the patient ; in order to avoid this, in the case more especially of local baths, the apparatus must be so firmly fixed to the limb that swelling is apt to occur. P'urther, the maceration of the epidermis and the sodden state of the granu- lations are great inconveniences. Also where the water used is cold or where ice is too long ajDplied there is great danger of gangrene in weak parts. Then, in the case of the water bath more especially, where the wound is deep the swelling of the granulations from imbibition of water is apt to block up the orifice and confine the discharge ; and also pus coagulates in contact with the water and frequently forms a thick layer over the wound. I need not dwell further on the points in which the other forms of antiseptic surgery are inferior to the aseptic method. Many of them are self-evident and have been already alluded to. The results, both local and general, of all methods which do not bring about an aseptic state of the wound are uncertain, aind the results of these cases being uncertain the surgeon must always have a feeling of anxiety corresponding in degree to the severity of the operation and the interest which he takes in his patient. I have previously said, that on account of the various bene- fits which are obtainable by the use of the aseptic method, it ought to be employed wherever possible, unless, indeed, special drawbacks attend its use. Several disadvantages, to which I must now allude, have been attributed to this method. Firstly, it is said that there is a risk of carbolic acid poison- ing. This, however, is not an objection against the method ; it is an objection against the antiseptic employed, and is equally valid when a wound is treated w^ith carbolic acid, though not aseptically. Indeed, the risk of carbolic acid poisoning is greater where wounds are not treated aseptically, for it is then employed in large quantities to wash out the wound. Where the aseptic method is carried out as formerly described, the wound not being deluged with carbolic acid either at the time of the operation or by injecting it afterwards, the risk of poisoning is very slight. The occuiTence of dark coloured urine due to CARBOLIC ACID POISONING. 589 absorption of carbolic acid is not very rare, but this is not poisoning. Unless a remedy is taken in such quantities that the patient's health or life are jeopardised by it, we do not say that the patient has been poisoned. In the same way. unless the absorption of carbolic acid has been so great as to produce serious symptoms, we have no right to say that the patient is suffering from carbolic acid jooisoning. The subject of carbolic acid poisoning has been worked out by Kuster, and Nussbaum,' who has had some experience of it, has written a very interesting chapter on the subject. According to them, carbolic acid kills by causing paralysis of the respiratory centre. The heart continues to beat even after the respiration is arrested, and the temperature also falls. In severe cases all the symptoms of collapse are present, low tem- perature, ' at first superficial and stertorous respiration, later great pallor and, finally, sudden death by arrest of respiration.' In less severe cases the following are the symptoms according to Nussbaum : — ' They present at first gastric symptoms, which must really be looked on as cerebral symptoms. These are loss of appetite, frequent nausea or incessant vomiting ; there is also an increase, often enormous, in the secretion of saliva, which is very frothy. The urine diminishes in quantity ; indeed, it has been said that it sometimes contains albumen, but I have never observ^ed this.^ There may also be dysphagia, immobility of the pupil, and the patient may have a certain feeling of oppression or anxiety. The patients often lie abso- lutely tranquil in their bed, as if they were prohibited from moving, and they have difiSculty in spitting out the saliva secreted. Fever is never absent till, in serious cases, the tem- perature falls just before collapse sets in.' In addition to these symptoms the urine on standing acquires a dark olive green colour, though it may have been of normal apj)earance when it was passed. This is due to the presence of indican. The alleged presence of fever in cases of supposed carbolic acid poisoning is a very puzzling circumstance ; for the evi- dence derived from experiments on the lower animals does not, ' f.eitfddeti zur antisejJtischen Wvndhrhandlitvff. ]881. * Dr. Keith stated, at the recent meeting of the International Medical Congress, that the urine in some of his cases contained albumen. 590 RESULTS OF AXTISEPTIC SURGERl'. so far as I am aware, lead to the conclusion that fever is one of the results of poisoning with carbolic acid ; on the contrary, it seems to be followed by depression of temperature. Under the imjiression that fever was one of the symptoms of carbolic acid poisoning, and wishing to produce fever in rabbits, I at one time injected carbolic acid subcutaneously at frequent in- tervals into a series of rabbits, but without obtaining the wished- for result. So satisfied have some physicians become of the power of lowering temperature possessed by carbolic acid that it has been employed as an antipyretic in place of salicylate of soda. These facts throw grave doubt on the view that elevation of temperature is a symptom of carbolic acid poisoning, and lead us to question whether many of the alleged cases of carbolic acid poisoning are so in reality. Many of the cases which have been published as cases of carbolic acid poisoning are undoubtedly instances of septicaemia occurring in patients who have been treated with spray, gauze, and carbolic acid, but not by the Listerian method, i.e. asejitically. In these cases there is a high temperature, and it is said that carbolic acid has been found in the urine. The temperature is often distinctly septicaemic in character, while the presence of carbolic acid in the urine does not prove that these are cases of carbolic acid poisoning. On the contrary, Brieger,' who has investigated the subject of the formation and excretion of carbolic acid in the living body, states that carbolic acid is constantly present in the urine of septicsemic patients, often in considerable quantities, even though no carbolic acid has been brought in contact with them. I do not wish to deny that this fever may be sometimes due to carbolic acid, but, as far as I can judge, such a view is against the evidence, though more facts are required before we can come to a decision. That there is something different in the result of administering carbolic acid internally and applying it to a wound is evident from the fact which Nussbaum mentions, that olive-colom-ed urine only occurs after the external use of carbolic acid, and not when it is administered by the stomach or inhaled into the lungs. Surgeons ought, however, to be ' ' Ueber Phenol-Ausscheidung bei Krankheiten,' Ccntralblatt f. d. Med. Wissensck. 1878, No. 30. TREATMENT OF CARBOLIC ACID ROISOXING. 591 very careful in attributing elevation of temperature in their cases to carbolic acid poisoning. In ]Mr. Lister's practice, and in that of many other surgeons who use carbolic acid freely, but who operate aseptically, carbolic acid poisoning is a thing of very rare occurrence, indeed I only know of two cases treated by Mr. Lister in which serious symptoms were present.^ The reason of this is that Mr. Lister brings carbolic acid as little as possible in contact with .wounds, but acts strictly in accordance with the aseptic principle, and applies it freely to everything tvhich may come in contact luith the ivound rather than to the wound itself. He does not irri- gate wounds, nor inject them, nor even wash away the blood and dirt from the line of incision. The surgeons who see the most numerous examples of carbolic acid poisoning are those who, led away by the dogmatic statements of eminent men to the effect that the good results of Listerism are solely due to cleanliness, apply this view to the treatment of their cases, irrigating and washing wounds freely with carbolic acid, to the great detriment of the wounds and the patients. In the treatment of carbolic acid poisoning the first thing is of course to remove the carbolic acid. This may be done without at the same time abandoning the aseptic method. By the use of eucalyptus gauze,'^ or by the use of salicylic or iodoform di'essings, the patient may have the benefit of the exclusion of organisms without the risks of poisoning. In severe cases Nussbaum advises the subcutaneous injection of three milligrammes of sulphate of atropia, which he says has a beneficial effect on the vomiting and salivation ; he also advises ' In both of these cases there was elevation of temperature, bat it does not necessarily follow that it was due to carbolic acid. The discussion of this subject., and the speculations in which one might indulge with regard to it, are, however, not suited for the present work. * I have examined, by means of Koch's method of staining bacteria, a number of wounds treated with eucalyptus gauze, and in a very considerable proportion of them bacilli were found. I therefore cannot recommend the eucalyptus dressings as being etjual to those with carbolic acid. As we have already seen, micro-organisms are not found in wounds treated with carbolic acid, or, if present, they are only micrococci. I have not found bacilli under carbolic dressings. On the contrary, with eucalyptus oil, though sometimes no organisms are present, yet in a considerable number of cases bacilli may be found ; micrococci are but seldom seen. 5JJ2 RESULTS OF ANTISEPTIC SURGERY. that the patient should be packed. Where collapse is present Nussbaum has derived benefit from the use of the following means : friction of the chest, of the hands, and of the soles of the feet with a brush, and the subcutaneous injection of ether and camphor. In milder cases, besides the removal of the carbolic dressings, he advises the use of sulj)hate of soda as follows : — Sulphate of Soda o parts. Distilled Water 100 parts. Syrup of Raspberries .... 25 parts. Two tablespoonfuls of this mixture are given every two hours. This method of treatment was proposed by Baumann, who found that carbolic acid was not excreted by the kidneys as carbolic acid, but in the form of a non-poisonous compound with sulphuric acid. It is with the view of obtaining this non-poisonous compound that the sulphate of soda is administered. It is said not to do much good. I have myself had no experience of it. The so-called ' carbolic eczema ' has been brought forward by some writers. I have already referred to it, and mentioned the use of salicylic acid cream as a preventive. It has been attributed alternately to carbolic acid, to the paraffin and to the resin in the gauze, but as I have already exj)lained, it seems to me in some cases more probably due to a fermentation of the discharges caused by micrococci (see p. 232). In tw^o cases I have known a carbolic acid dressing blister the skin in a few hours and have to be abandoned. Here, however, as I have before said, it was merely carbolic acid, not the aseptic method, which was abandoned ; another antiseptic was used in its stead. Another argument has been brought forward against the aseptic method, viz., that it distracts the attention of the surgeon from the constitutional state of his patient. Such an argument has no foundation in fact. Are the precautions necessary to attain the single object of the exclusion of micro- organisms from wounds more likely to divert the surgeon's attention from the constitutional state of his patient than the numerous cares as to ventilation, nursing, and so forth, with which the surgeon who trusts to cleanliness alone is harassed ? EXPENSE OF ASEPTIC TREATMENT. 693 In the great majority of simple fractures no attention is paid to the constitutional state of the patient ; the limb is placed in splints, full diet is ordered, and the patient is left till the bones unite. Why is it thought necessary to attend to the constitution of the patient when the bone is divided by an incision through the skin ? Because under ordinary circumstances inflammation, suppuration, fever, and other hurtful consequences are apt to occur. But, as we have seen, the aseptic method avoids all these dangers and makes the wound practically subcutaneous. Where, then, is the necessity for attending to the constitution more than in the case of simple fracture ? ^ But fm'ther, as Mr. Lister himself has pointed out, such an argument is of no weight in presence of the facts ; for, if Mr. Lister gets such avowedly good results (better than those obtained by surgeons who jjay great attention also to the constitution), and at the same time, as is however wrongly alleged, neglects the con- stitutional state of his patients, such a fact would be an additional argument in favour of aseptic treatment, and only prove the great efficiency of the method. Then it is said that the method is costly, and therefore not applicable in the case of poor patients. Now no doubt each individual dressing is costly — costing at the most \Qd. or Is., though generally much less — but then these dressings, after the first two or three days, require to be changed only at rare intervals, and I have calculated that in most cases, with of course some exceptions, the dressings are really in the long run cheaper than water dressing changed once or twice daily. But further, the aseptic method saves expense in many other ways. As the patient has no pain nor fever, it is only in a few cases that a trained nurse is required ; any sensible friend or servant can attend him quite well. And as he is not suffering fi'om fever nor weakened by profuse discharges, he fre(]uently does not require stimulants or tonics, indeed in Mr. Lister's practice these are seldom ordered ; this advantage is no doubt to some ' It must not be supposed from this that I would advise the neglect of the constitutional state of the patient. On the contrary, every care ought to be taken to attend to hj'ij^ienic conditions, and by means of good diet to support his strength, or by suitable drugs to attempt to remedy any constitutional defects. Q Q 594 RESULTS OF ANTISEPTIC SURGERY. extent counteracted by the fact that the patient has an excel- lent appetite. Further, wounds heal on an average more quickly than when treated by the ordinary methods, and as the patient is not weakened by the presence of fever or discharge, the period of convalescence is shorter. This is, of coru-se, of the greatest importance to the bread-winner, for he is well and back at his work while the patient who has not been treated aseptically, and whose wound has not united by first intention, is still undergoing treatment or recruiting his powers in the country. Thus in numerous ways, of which these are a few examples, ex[^ense is saved, and on the whole this treatment is from this point of view the one most applicable to poor patients. Lastly, it has been said that the aseptic method gives the surgeon a great deal of trouble. Now there is no doubt that at first each operation and each dressing requires care and thought, but then the dressings are unfrequent, and by-and-bye the method becomes more or less instinctive. This argument of trouble could not, however, be seriously upheld for a moment, for if a system is good it must be carried out in spite of the trouble involved. Why does one take so much trouble in perfecting one's anatomical, physiological, or practical know- ledge but simply with the view of being able to treat his patients better ? For the same reason the trouble ought to be ungrudgingly expended here. And if there were no other reason (such as the safety and well-doing of the patient), the relief from anxiety on the part of the surgeon, and the feeling of certainty as to the result, are of themselves a sufficient reward for all the trouble bestowed. The chief point which is laid stress on as giving rise to increased trouble is the use of the spray. I have already discussed this question at pp. 73, 120, and 364, and I have also pointed out the methods by which treatment without the spray may be carried out. As 1 have said, the spray is the least necessary of all the precau- tions, because fewer micro-organisms are present in the air than on surrounding objects, and, therefore, the purification of the air is the least important : further, if any particles do fall on the wound from the air, they may be readily destroyed by washing the surface of Ihe wound with an antiseptic lotion. PRAY NOT ESSENTIAL FOR ASEPTIC TREATMENT. 595 I have already pointed out that the spray can be dispensed with, and that operations can be performed without it ; it can- not, however, be safely abandoned without a substitute being provided m the shape of frequent irrigation of the wound. In proof that aseptic surgery may be carried on without the spiay, we have Mr. Lister's work of several years — and very successful work it was too — before he introduced the spray ; but then while he performed the operation he constantly poured carbolic oil or carbolic lotion into the wound, and in dressing the case he had a current of the oil or lotion flowing over the wound. Then further, we have Mr. Callender's experience. He prac- tically employed,' with some modifications, Mr. Lister's original method with carbolic oil, and his results were good. And, in 1879, Trendelenburg ^ published the results which he had obtained without the use of the spray. He employed the method of continually irrigating the wound with carbolic lotion while he performed the operation and while he dressed the wound. And his results are, in the main, as indeed was only to be expected, aseptic results. He mentions eighteen cases where hydroceles were opened and successfully drained ; eight cases where the sheaths of tendons or ganglia were opened without local reaction ; twelve cases in which joints were opened, in only one of which was there inflammation; and five osteotomies, of which one died of tetanus, the others doing well. The spray, however, has advantages which seem to me far to outweigh its disadvantages. In the first place, I think it is really less trouble to have a spray playing over a part than to be continually irrigating it with carbolic lotion. Further, there is a feeling of certainty attending an operation conducted under the spray (see p. 259;, for if no s^miy is used septic particles may fall into the wound and escape the action of the lotion ; this is most likely to be the case while the wound is being stitched uj), and these particles may be })ro- tected by the blood clot from the action of tlie carbolic acid, and may not be destroyed by the clot or the living tissues, but may develop and cause fermentation in the wound. Lastly, the spray has this great advantage over irrigation, that less cai'bolic acid is applied to the wound, and thus there is less ' Lnc. rit. 596 RESULTS OF ANTISEPTIC SURGERY. irritation of the cut surface and less chance of absoiption of carboHc acid into the system. It cannot be a good thing either for the patient or for the wound to be constantly deluging it with strong carbolic lotion. The whole principles of wound treatment may be summed up in the one word — Rest. This has been urged by many writers, from Magatus downwards, and indeed before the time of Magatus ; but it is only within the last few years that science has so far advanced as to enable us to grasp the whole signifi- cance of that term as applied to the treatment of wounds. The causes of Unrest may be mechanical or* chemical.' The mechanical causes consist of movement of the parts, of the presence of foreign bodies, of tension in the wound, and so on ; and they are, as a rule, easily avoided by the use of suitable apparatus, by the removal of mechanical irritants, or by providing against the occurrence of tension ; and inasmuch as they are easily avoided they are comparatively unimportant. The most importa;nt and the least easily prevented are the chemical causes of Unrest, and these may be divided into two great classes : 1. Where the chemical substance is merely something — a salt, or an acid, or an alkali — added to the wound from without, such as carbolic acid. Such a chemical cause will act only in proportion to the amount added, to its irritating property, and to the length of time that it remains in contact with the surface of the wound. When the original quantity is exhausted the ' IMr. Lister long ago divided the causes of supjjuration into three great groups : 1. Putrefactive suppuration where it was due to the presence of putrid materials; 2. Antiseptic suppuration where it was due to the presence of some chemical substance, such as the antiseptic employed in the treatment of the wound ; 3. Suppuration the result of nervous disturbance, as intension. This classification still, I think, holds good, notwithstanding the recent work of Dr. Ogston referred to at pp. 248, 251), who has expressed the opinion that all acute abscesses are due to micro-organisms. The observations which I liave published at p. 251, and others which I brought forward at the recent meeting of the International Medical Congress, seem to me to go against this view. At the Congress Mr. Lister also pointed out a number of clinical facts which proved that other causes of acute inflammation and suppuration exist besides the action of micro-organisms. I do not, of course, deny that micro- organisms are the cause of many of the acute absce.sses in winch they are found, but I think that in some they are accidental, and that suppuration may be induced othervvise than liy their action. REST, THE PRINCIPLE OF WOUND TREATMENT. 597 chemical irritation ceases. 2. The other cause of chemical Unrest is where the chemical substance is being constantly formed in the wound. Here we have much the most formidable cause to deal with, for there is no exhaustion of the substance, but, on the contrary, continued formation of fresh material so long as the causes of this formation are present in the wound ; and, as we have seen, the eradication of these causes, once they have entered, is a very difficult matter, and thus these causes of Unrest are the most important. To interfere with these causes of Unrest is the main object of antiseptic surgery. The prevention of their entrance is the special aim of aseptic treat- ment. The prevention of the entrance of micro-organisms is, as we have already seen, apparently much more easily and better accomplished than their destruction after they have entered. And further, in attempting their destruction after their admission, the wound is subjected in a marked degree to chemical Unrest of the first class. The ideal wound is a sub- cutaneous one, kept at perfect rest. We have not yet attained this ideal, for even with the aseptic method there is a certain amount of Unrest caused by the antiseptic employed, by the stitches, by the apparatus for drainage, and by the dressing itself. Nevertheless, the essential elements of Unrest have been abolished by this method, and the disturbances from the antiseptic, from the stitches, and so forth, have been reduced to a minimum, and now hardly make themselves evident. That art will still fm-ther perfect the treatment of wounds there can be no doubt ; but whatever development occurs in the future, the great principles of Listerism, the exclusion of the chief causes of chemical Unrest, and the reduction of the action of the other causes to a minimum, must form the groundwork of any system. In conclusion, I cannot too strongly express my conviction that the scientific basis of wound treatment should hold the most prominent place, and that it is only by a thorough know- ledge of natural phenomena in all their bearings that the best practice can be carried out and the best results obtained. Loose observations and loose and vague ideas as to probabilities wliich have no foundation on the facts of nature, cannot advance art in any way. Natural phenomena are generally found to differ from the conception which man in his ignorance 598 EESULTS OF ANTISEPTIC SUIIGERY. is apt to form of them ; and therefore any statements on any subject, to be of value in the development of that subject, must be founded on knowledge and rigid application of the facts of nature, whether or no these facts seemed at first sight probable or sufficient explanation of the phenomena. That advance can only be blind and imperfect till the true law of nature is discovered is well illustrated by the history of wound treatment in former years. Through the darkness which then reigned glimmers of light had at times penetrated, but no true and lasting progress was made till quite recently, when, chiefly by the scientific labours of two men — Pasteur and Lister — a flood of light has been thrown on one of the most obscure subjects in nature, and the foundation of rational methods of treatment on rational and scientific principles has been followed by inestimable advantages to mankind. Plaiel r Edgar Thur stop. dd. MmtEmBxos sc FlahK FIG 12. d) ■>*!** Fid IS. Edgar Thurstcm. 3*1 Min.t.em. Bros sc FlateUI FIG 17- Ed^ar ThurstcD dd. Tihntem Bros sc Plcd&. T/. cL / Vo i •' . FIG. iy. F 1 G ^^. Eiga-r ThurstoTx del. MinVem Bros s<.- PloU V. *# ■04 .M^-f^ ^%. C 34-, X670. F 1 G ^6. X7250. F '. C. 37. xiaoo FIG. 38. X1200 Edgar Ttarstoi! li ■ OCi X (5/0 ' lynnleiT- Br 05 sc ■ OOl X 2300 >- EXPLANATION OF THE PLATES. These sjjccimens have been drawn by the aid of the Camera Lvcida, and Zeii^ water-itmnersion or oil-immersion lenses were those chiejiij emjdoyed. PLATE I. PIG. PAGE 1. Micrococci, from a wound treated aseptically, growing in infusion , of cucumber. x 14.50 ......... 231 2. Specimen of discharge taken from a case of compound dislocation of the tliumb not treated aseptically. Contains numerous micro- organisms. X 1450 235 3. ISpecimen of the discharge from a case of wound of the scrotum not treated aseptically. Contains numerous micro-organisms, x 1450 235 4 Discharge from a case not treated aseptically. Bacilli and pus cells. X 1450 235 5. Discharge from a case of amputation treated by irrigation. Red blood corpuscles, leucocytes, a few bacilli, x 1450 . . . 235 6 Discharge from a case of excision of the hip-joint treated with anti- septics. Micro-organisms and blood-corpuscles, x 1450 . . 235 7. Discharge from a case of Syme's amputation treated with antiseptics. Pus corpuscles and micro-organisms, x 1030 .... 236 8. Discharge from a case of empyema treated aseptically. Leucocytes : no micro-organisms, x 1030 ....... 237 PLATE II. 9. Discharge from a case of empyema treated aseptically ; taken at a later period than that in the specimen from which fig. 8 was drawn. No micro-organisms, x 1030 ..... 237 10. Discharge from a case in which a diseased knee-joint was incised aseptically. No micro-organisms, x 1030 238 11, 12, 13, and 14 are from specimens taken at different times from a case treated aseptically. The first three specimens are free from micro-organisms ; the last contains micrococci, x 790 . . 239 600 EXPLANATION OF THE PLATES. FIO. PAGE 15 and 16. Taken from a case of excision of tlie mamma treated with aseptic precautions. Fig. 15 contains no micro-organism.s. x 790. Pig. 16 contains numerous micrococci, x 550 .... 210 PLATE III. 17. Specimen from a case of operation performed with aseptic precau- tions. Contains a few micrococci, x 10.30 240 18, 19, and 20. Specimens to illustrate the mode of entrance of micro- cocci into wounds treated aseptically. Fig. 18 sliows discharge talcen from the drainage tube on March 31. No micro-organisras. X 790. Fig. 19 shows discharge taken from the edge of the dressing on April 4. Micro-organisms are present x 1030. Fig. 20, taken from drainage tube on April 4, contains no micro-organ- isms. X 1030 241 21, 22, 23, and 24, illustrate the same point. Fig. 21, taken from the gauge on April 4, contains a few micrococci. Fig. 22 taken from the inner drainage tube on April 5, contains no micro-organisms. Fig. 23, taken from the inner drainage tube on April 8, contains one or two micrococci. Fig. 24, taken from an outer drainage tube leading into an abscess cavitj'', on April 15, contains no organisms. Figs. 21, 23, and 24 al30 illustrate the fact that the leucocytes found in exudations from wounds treated aseptically, frequently do not appear as healthy pus cells, but seem to be de- generating, ot, if derived from the tissue corpuscles, perliaps to have been imperfectly developed. All the specimens are x 1030 2*42 PLATE IV. 25. Growth of micrococci as observed under the microscope by Mr. Lister, a. Group at 855 a.m. b. Same group at 9-4 a.m. c. Same at 9-30 a.m. d. Same at 1036 a.m 244 26, 27,'and 28 represent micrococci growing in various materials. Fig. 26, discharge from the wound from which the micrococci were taken, x 600. Fig. 27, the same micrococci growing in vitreous humour, x 1030. Fig 28, the same growing in cucumber infusion after having previously lived in meat infusion, x 1030 . . 245 29. Pus taken from a chronic abscess, contains no micro-organisms. X 1030 254 30. Pus taken from an acute abscess of the mamma when opened, con- tains micrococci, x 1030 ........ 254 31. Pus taken from an acute abscess of the finger, contains micrococci. X 1030 254 32. Pus taken from an acute abscess of the groin when opened, contains streptococci, x 1030 256 EXPLANATION OF THE PLATES. 601 PLATE V. FIO. PAGE 33 to 38 were kiiKlly examined for me by Mr. E. Nelson, whose skill in microscopical work, and more especially in the uses of illumina- tion, is so well known. These specimens have been drawn from his microscoiDe. 33. Specimens of milk which had been preserved without boiling for several months. Contains no organisms ..... 41 3i. Specimen of the deposit in a beaker containing cucumber infusion, into which the spleen of an animal had been drojaped some days previously. No micro-organisms ....... 4G 35. Specimen of dust collected and stained with meth}-! violet. One or two bodies are present which are indistinguishable from micro- cocci and bacteria, and have taken up the stain . . . .198 36. Specimen of discharge taken on April 13, from a case of removal of loose cartilage from the knee-joint in whicli supjiuration occurred. Contains oval organisms ...... 454 37. Specimen of discharge taken on April 18, from the same case . . 455 38. Discharge taken on April 22, from the same ..... 45G 9. Piece of liver introduced into the abdominal cavity with aseptic precautions, examined 24-48 hours later. Leucocytes have jsene- trated between the lobules of the liver, and at the upper part of the figure have already become spindle-shaped (Hartnack 2 eye- piece, 7 objective). From Tillmanns ...... 575 40. Piece of dead liver after 17 days in the abdomen; organisation of the leucocytes into fibrous tissue, vessels, &c. (Hartnack, 2 eyepiece, 7 objective). From Tillmanns . . . . . . . 575 INDEX, ABD 4 BDOMEN, wounds of, aseptic treat- 1\. ment, 115 Aberncthy on treatment of wounds, 306 Abiogenesis, theories of, 145 Abscesses, acute micro-organisms in, 25H — significance of micrococci in, 255 — Anel on aspiration of, 300 — aseptic drainage of, 110 -- aseptic treatment of, 109 — chronic, effects of air on, Aheriuttky on, 30G B. Bell on, 306 ^1. Mniiru on, 30(> H. Mnnru on, 306 — relation of micro-organisms to, 253 — treatment of, Pearson on, 312 • Bidder on, 303 — lumbar. See Lumbiir abscess. — near anus, aseptic treatment of, 112 — near pubis, dressing of, 105 — of hip-joint. See Hip-joint. — of joints, aseptic treatment of, 443 — perineal, aseptic treatment of, 1 1 2 — psoas. See Psoas absce-ss. — retropliaryngeal, aseptic treatment of, 110 — spinal, recumbent position in, 1 1 1 — thoracic. See Empyema. — valvular, treatment of, Ahernetlni on, 307 — vertebral, absence of statistics of, 530 — — aseptic course of, 51'.), 5.18 pathology of, 555 results of, 517 time for opening of, 51 'J Absorption by granulations, Ilavli on, 268, 26;», 407 Adams on subcutaneous surgery, 321, 322 ANT Air, effects of, on wounds, Ahernethj on, 306 Benjamin, Bell on, 305 Jolm Bell on, 310 Demarqnay and Lecontr on, 331 ■ Humphrey on, 334 • John Hunter on, 308 Malgaigne on, 331 ■ ~ Ale.v. Munro on, 306 ■ Hugh Munro on, 306 — Pringle on, 305 • Vali'tte on, 345 -^ Veljjeav on, 331 — ~ examination by the Author, 198 Pasteur, 165 Pouchet, 163 — filtration of, through cotton-wool, 12 — &A«vf//«'.vexperimentswithheated, 6 Albert on operation on joints, 447 Albuminuria, operations in, 559 Alcohol as an antiseptic, 269, 348 — results of treatment with, 40G Alcoholic fermentation, 209 Alumina, acetate of, use in aseptic treatment, 139, 363 Amputation in phthisis, 559 AniMsmt on irrigation, 341 Anal abscess, aseptic tre;itment of, 112 Anel on aspiration of aV)sccsses, 300 Animal tissues boiled, fermentation of, 14,22,24 unboiled, fermentation of, 45 Antiseptic, definition of term, 1 — derivation of term, 1 ■ — surgery, history of, 290 in sixteenth century, 292 seventc(!nt h cent ur3% 29G eighteenth century, 300 • present centurj', 317 meaning of term, 1, 145, 265 G04 INDEX. ANT Antiseptic siirgeiy, points in testing- result, 367 principles of, 288 relations to fermentations in wounds, 366 relations to infective disease, 540 results of, 365 summary of views on, up to 1800, 314 varieties of, 265 Antiseptics, Beiinion on use of, 336 — Bilguer on use of, 302 — Colhatch on use of, 297 — in common use, 348 et seq. — treatment by, 265, 267, 583 history of, 347 Lister s results in, 376 ■ relation to fermentation in wounds, 366 relation to infective disease, 405 Rei/hersi results in, 401 Ajyjjerfs method of preserving fruits, &c., 4 milk, 15 Arncpus's method of wound treatment, 294 Aryicmann, treatment of wounds, 312 Aseptic cases, table of temi:)erature charts of, 585 Aseptic coiirse of chronic abscesses, 519, 638, 555 compound fractures, 462, 563 operations on joints, 421 wounds, outline of, 566, 575 Aseptic method, does it exclude micro- organisms from wounds ? 227, 454 does it prevent fermentations in wounds ? 226, 366 Aseptic operations, diet after, 576 duties of dresser in, 72 errors in, how corrected, 74 example of, 67 ligature of vessels in, 75 on joints, results, 426 temperature after, 576 use of carbolised towel in, 67, 72 use of guard in, 74 Aseptic surgery, definition of, 51 general results of. See Statistics. principles of, 51, 52, 359 relations to infective disease, 368, 540 Aseptic temperature curve, 580 Aseptic treat mcnt, advantages iDCCuliar to, 561 bearing on conservative surgery, 562 AUT Aseptic treatment, cost of, 593 development of, 128 example of failure of, 454 experience essential in, 504 in country practice, 120 in war, 123 objections to, 588 of abscess, 109 accidental wounds, 112 bursitis, 568 burns, 117 compound fractures, 114, 461, 563 of skull, 1 1 5 contused wounds, 113 dissection wound, 119 gangrene, 117 — gunshot wounds, 123 — hydrocele, 568 wounds of abdomen, 115 intestines, 115 — joints, 1 14 results, 422 muscles, 114 nerves, 114 tendons, 114 thorax, 115 relation to erysipelas, 541 trouble connected with, 594 use of acetate of alumina in, 139 — eucalyptus oil in, 140 thymol in, 139 salicylic acid in, 136 Aseptic wounds, AvfJuir on micro- organisms in, 229 drainage of, 76 micrococci in, 243, 256 stitching of, 85 strapping of, 86 substitutes for carbolic acid, 136 Aseptic use of cotton wool, 141 salicylic acid, results of, 404 thymol, results of, 404 Avtlior, examination of air, 198 — experiments on destruction of bac- teria by healthy tissues, 252, 283 — experiments on fermentation, 25 of blood, 36 micro-organisms in aseptic wounds, 229 relation to living body, 205 et seq. spontaneous generation, 193, 195, 200, 202 — on fermentation of boiled urine, 25 — unboiled animal tissues, 45 egg albumen, 43 INDEX. C()5 AUT A^Mor, on fermentation of unboiled milii, 3'J — urine, 37 Axilla, aseptic dressing of, 100 BACILLI in wounds treated with eucalj'ptus gauge, 591 Bacteria, formation of pigment by, 212 — Koch's method of staining, 233 — under A. Guerin's dressing, 329, 330 Bandage, carbolic gauze, 89 — elastic, 90 — muslin, 89 Bandaging of gauze dressing, 89 Bardelchen on Listerism, 361 JBardenheuer, results with aseptic treat- ment, 416 — statistics of compound fractures, 509 Jjarher on use of cotton wool, 143 Barnes on results of cleanliness, 548 Barth's statistics of wounds of joints, 445 Burtschcr and Vfziii's ojDcn method of treatment, 277, 332 Bastiaii on spontaneous generation, 176, 181, 187, 191, 196 BataiUe. on dressings with alcohol, 348 Bell, Benjamin, on action of air on wounds, 305 — — on drainage tubes, 305 — • — on wound treatment, 304 Brll, Sir ('., on removal of loose carti- lages, 3 1 2 subcutaneous division of liga- ments, 319 Bell, John, on effects of air on wounds, 310 treatment of com[H)un(l frac- tures, 31 1 wounds of joints, 31 1 _ . vvound treatment, 312 Bclloste on treatment of wounds, 300 Jienfiion on wound treatment, 336 Jifrard on irrigation, 339 Benimunn ongunstiot woimds of joints. 452 Jicrt on fermentation, 220 — — spontaneous generation, 184, 185, 201 BiUjuer on results of con]i)ound frac- tures, 302 — — wound treatment, :i02 Billruth on micro-organisms, 243 in abscesses, 253 — statistics of sej)tic treatnuiil, 41i) Billroih and Tiiyel on fermentation of unboiled animal tissues, 44 lUstournage, 249 Blanchurd on A. Guerin's-dressing, 326 Blondiis on treatment of wounds, 292 lUood, fermentation of, 33 Blood clot, organisation of, 568 Boerhaave on putrefaction of pus, 301 Boiled substances, fermentation of, 1, 29 Bone, gunshot wounds of, results of, 512 — organisation of, 571 Bon net on. cauterisation of wounds, 338, 349 Boracic acid lint, 64 lotion, 64 ointment, 64 -— lint dressings, changing of, 94 use of, 93, 268 wet, in place of poultice, 95 — ointment as a dressing, 94 Bouisson's method of ventilating wounds, 279, 337 Boi/er on treatment of wounds, 314 Brodie, B., on treatment of varicose veins, 319 Brims on carbolic acid gauze, 63, 362 treatment of wounds, 291 Bryant on Lister's operations on joints, 440 Buff on on spontaneous generation, 147 Burdo a- Sanderson on fermentation of blood, 35 unboiled animal tissues, 45 micro-organisms in living body, 250 — sjionlaneous generation, 188 liurns, asejitic treatment of, 117 Biiron-, open method of treatment, 278 - on results of the open method, 333, 409 liursitis, aseptic treatment of, 568 Jiussji on use of coal tar, 351 Button stitches, 85 Butyric fermentation, 2J2 r^AIiOT^m elilniiiialcl soila, 269 ^ Cmiinttrd- Liitimr nn yeast cell.s, 6 Cullender's method nf woiukI treatment , 363, 595 Ciilrert on carbolic; acid, 352 Cameron's statisti(;s, 371 Camjiioiii. on crust formation, 338, 349 Carbolic acid, Lema'irc on use of, ;{54 606 IXDEX. Carbolic acid, oily solutions of, 5o poisoning, 588 ct seq. solution of, in glycerine, 54 substitutes for, 136 • undiluted, 53 use in treatment by antiseptics, 267 watery solutions of, 53 — eczema, 232 Carbonic acid gas, treatment by, 330 Cartilages, loose, removal of, B. Bell on, 305 <^r C. Bell on, 312 Sam. Cooper on, 312 Chassai(i)w on, 321 Gibson on, 313 — Larrey on, 45!) Levdllc on, 313 Spencc on, 460 'llu-dcn on, 308 Catalysis, 2 Catgut carbolised, 56 chromic (Lister's), 57 — chromic (MacE wen's), 58 — drainage by, 80 — Lister's pocket-holder, 5"J — organisation in, 571 — trough for, 51) — use as a ligature, 75 Cazeiieuve and Li con on fermentation, 218 — of unboiled urine, 37 on spontaneous generation, l'J5, 201 Chalvet on use of lime chloride, 349 Championn'iire on results of aseptic treatment, 3!)8 Cliasmi/inac on occlusion, 323 Chassaigne on subcutaneous surgery, 321 Climdiae, Gnij dc, on treatment of wounds, 2!)1 Chnuveau on bistournage, 24!) llii-dererqne on dressings with alcohol, 348, 406 Clieniical fermentation, 2 (lievrcul on use of coal tar, 351 Chienc on catgut drains, 80, 362 retropharyngeal abscess, 110 situation of opening in jisoas abscess, 102, 518 — and Ewart on fermentation of un- boiled animal tissues, 49 Chlorinated soda as an antiseptic, 26!) f 'Iilorine as an smtiseptic, 34!) Chivicle, compound fractures of. See Compound fractures. CON Cleardiness, definition of, 542 — McVaiFs results with, 415 — Nussbaum's results with, 390, 394 — results of, 544 et seq. — Savory's results with, 414 — treatment l)y, 542 — value of, 546 — Volkmann's results with, 385, 405 Coal tar. Come and Demeaux on, 350 Lcmaire on, 350 Colin on pigment bacteria, 212 spontaneous generation, 179 ColhatclCs method of wound treatment, 297 Cold in wound treatment. See History of Irrigation. Collodion, nse of, 324 Compound fractures, accidental, general aseptic results, 510 aseptic course of, 462 treatment of, 114, 461, 563 J. Bell on, 311 eradication of putrefaction in, 478 intentional, general aseptic re- sults, 511 Lister's, summary of, 484, 498 made by surgeon, 464 of clavicle (surgeon), 494 femur (accidental), table of, 466 (surgeon), table of, 484 forearm (accidental), table of, 476 (surgeon), table of, 496 humerus (accidental), table of, 474 (surgeon), table of, 494 of leg (accidental), table of 464 — (surgeon), table of, 490 limbs (accidental), summary of, 478 lower jaw (surgeon), summary of, 498 Pott's results in, 304 results of asejjtic treatment of, 461 — Bilguer in, 303 open method, 514 of skull (accidental), summary of, 478 aseptic treatment of, 1 15 Condensed beam of liglit, use of, by Prof. Tyndall, 17 Conservative surgery, bearing of aseptic treatment on, 562 INDEX. 607 CON Constitutional state after aseptic opera- tion, u75 Contused wounds, aseptic treatment of, 113 Coolie, Jas., on danger of joint wounds, 2;)6 Cooper, Sir Astleij, on subcutaneous tenotomy, 319 wound treatment, 313 Cooper, Bransiij, on subcutaneous teno- tomy, 319 Cooper, Sam., on removal of loose carti- lages, 312 Come and Deineaux's powder, 351 Cost of aseptic treatment, 593 Cotton wool, aseptic use of, 141 carbolised, 66 A. Guerin's dressing, 280, 325, 408 Country practice, aseptic treatment in, 120 — — mode of dressing in, 122 Croft on results of cleanliness, 549 Crust, formation of, 335 Bouisson on, 279, 337 Fallopius on, 294 J. Hunter on, 310, 335 Neudorfer on, 271, 279, 335 treatment by, 279 Czerny on results of aseptic treat- ment, 398 J^iUJLAT on use of carbolic acid, 355 J-^ Delacroix on treatment of wo und s , 293 Deleaic on perchloride of iron, 350 Delpcch on subcutaneous tenotomy, 319 JJemarquay on micro-organisms in wounds, 228 — on treatment by glycerine, 348 — and Lecontc on carbonic acid gas, 331 Demeaux and Corne's powder, 351 iJesinazieres on yeast, 6 JJU'ffenbacli on subcutaneous surgery, 320 Diet after aseptic operations, 570 Dissection wound, aseptic treatment of, 119 Drain, catgut, 80 — ■ horse-hair, 82 ■ reiutroduction of, 83 Drains absorbable, 80 Drainage as an antiseptic method, 271 - aseptic, of abscess, 1 10 — by capillarit}', 80 — of aseptic wounds, 7(J EGG Drainage tubes absorbable, 83 — B. Bell on, 305 — position of tube in aseptic wotinds, 78 — ttse of, 76, 458 Bran, Le, on putrefaction of pus, 301 Dresser, duties of, in aseptic operation, 72 Dressing, aseptic, axillary, 100 boracic, 93 of breast (3 methods), 97 changing of, 94 deep, 68, 88 errors in use of protective, 87 excisions of joints, 107 fixing of, 89 general gauze, 89 of hernia, 105 hip- joint abscess, 104 limbs, 101 loose gauze in, 89 of lumbar abscess, 104 method of clianging, 91 of neck, 96 ovariotomy, 109 psoas abscess, 101 scalp, 96 scrotum, 105 time of changing, 93 use of pins iir, 89 use of protective in, 87 wet gauze in, 88 — water, 292, 315 Dressings, aseptic, in country practice, 122 permanent, Keuher on, 362 -— — use of sponges in, 122 with salicylic acid, 136 Dumas on carbolic acid, 352 Duncan, Matthcics, on saprjemia, 367 Dupuytrcn on subcutaneous myotomy, 319 Duroij on use of iodine, 350 Duscli and Schroeder on fermentation, 12 of boiled animal tissues, 14 milk. 1 4 • " spontaneous generation, 152 I^X'ZKMA, carbolic, 232, 592 J Egg albumen, boileil, llohirts 'm ferment al ion of, 22 - Schrneder on fermentation of, II, 15 608 INDEX. EGO Egg allmmen, unboiled, fermentatidn of, 42 Egineta, Paul d\ on healing of wounds, 291 Empyema, aseptic treatment of, 111 E)icyclopcdie MHho/Uqne on purity of air, 306 Eremacai;sis, definition of, 9 Enchsen on niortalitA* after amputation, 4U Errors in aseptic operations, how cor- rected, 74 Erysipelas, relationto aseptic treatment, 541 Esmarch, aseptic treatment in war, 125 — in'igator, 273 • — on use of iced water, 841 — statistics, 396 Eucalj'ptus oil, aseptic use of, 140, 591 - — ointment, 141 Excision of joints, aseptic dressing of, 107 Exhaustion, deaths from, 554 Exostosis, aseptic treatment of, 503 TpABROXT on fermentation, 3 ■-*- Fallooiug on healing under a crust, 294 Eaurc on crust formation, 338 Femur, compound fractures of. See Compound fractures. Fermentation, alcolujlic, 209 • — always due to particles coming from without, 50 — and eremacausis, 9 — Jicrt on, 220 — of blood, 33 boiled ('g£i- albumen, 14, 15, 22 milk, 14, 15, 20. 22, 25 animal tissues, 14, 15, 22, 24 substances. 14, 22, 24, 29 —urine, 24, 26 ■ — buiyric, 212 - — cause of, 51 — causes not gaseous, 50 — Cazenciirt! and IJvoth on, 37, 218 — chemical, 2 — definition of, 1 — gaseous theory of, 4 — in wounds, is it prevented by the aseptic method ? 226, 366 relations of aiitis('ptic surgery to, 366 — lactic, 214 — Lvinairc on, 218, 353 GAY Fermentation, lAeiig on, 9, 197, 208 — particulate theory of, 1 — Pasteur's theory of, 223 ^— pigment, 212 — prevention of, 51 — putrefactive, 218 — relation of micro-organisms to, 205 — summary of views on, 17 — of tissues in the living body, 50 — of unboiled animal tissues, 44 egg albumen, 42 — grape juice, 30 milk, 37 substances, 30 urine, 36 vegetable tissues, 44 viscous, 214 vital, 2, 206 F'erments, theories of actions of, 205 Ferrier and Yco's experiments on mon- key, 567 Fiorarcnti, balsam of, 347 FiHcher, E., on micro-organisms in wounds. 228 — //., on use of alumina acetate, 363 Fooli on immersion, 344 Forceps, sinus, 79 Fore-arm, compound fractures of. See Compound fractures. Fractures, compound. .See Compound fractures. Fraenckcl and Volkniann.'s septic re- sults of compound fracture, 511 Franldand on Bastian's experiments, 189 Fritm on water dressing, 316 GANGRENE, aseptic treatment of, 117 Gaseous tlieory of fermentation, 4 Gauze, carbolic, bandage, 89 general dressing, 89 loo^e, 89 Miinnich, 362 use in deep dressing, 88 — carbolised, preparation of (Lister's), 61 (Von r.run's), 63 — dressing, liow to make a, 64 — eucalyptus, 141 - thymol, 139 Ciiiil-fjinotdi- on fermentation, 4 of unl)()iled grape juice, 30 (iaijon on fermentation of unbuiled egg albumen, 42 INDEX. 609 GEL Gelatinous degeneration of joints, asep- tic treatment of, 442 Generation, spontaneous, theories of, 145 et seq. Gensoul on crust formation, 338, 349 Genu Valgum, MacEwen on, 504 Ogston on, 322 Gibson on removal of loose cartilages, 313 Glycerine, treatment of wounds by, 348 Gossdin on A. Guerin's dressing, 329 Guyraud on subcutaneous surgery, 321 Granulations, absorption by, 268, 407 Grape juice boiled, Gaij-Lussac on, 5 ■ unboiled, fermentation of, 30 Gross on subcutaneous osteotomy, 322 — M., on aseptic treatment, 399 Grmthuisen on spontaneous generation, 182 Gschidlen and Trauhe on destraction of bacteria by healthy tissues, 283 Guard, use of, in aseptic operations, 74 &ueri>is, Aljihrnse, cotton wool treat- ment, 280, 325, 408 Guerin, Jules, on occlusion, 323, 324, 325 subcutaneous surgery, 320 Gnersant on use of chlorinated soda, 349 Gunshot wounds, aseiJtic treatment of, 123 of bone, results of, 512 -^ ■ joints, 447 Guyot on treatment by incubation, 317 Gvyton on chlorine as a disinfectant, 349 fTACK on absorption by granula- -*i tions, 2G8, 407 Hands, purification of, 67, 69 Hartley on spontaneous generation, 189 Hawliins, Chas., on occurrence of phage- da;na, 548 Jlcintzel's statistics of gunshot wounds of joints, 453 Heister on wound treatment, 302 Helviholtz on fcrrncmtation, 8 Hernia, aseptic dressing of, 105 Heron, early reports of Listerian me- thod, 134 Hervey on A. Guerin's dressing, 326 Hervienx on use of chlorinated soda, 349 Heterogencsis, theories of, 145 Hewttt, Prescott, on pya;mia in private practice, 548 Ilingston on use of carbolic acid, 357 HijD joint, aseptic dressing of abscess of, 104 History of antiseptic surgery, 290 Lister's earlier aseptic methods, 128 Holmes on the gei-m theory, 225 results with cleanliness, 547 — statistics of amputations, 414 compound fracture, 512 Hoppe-Seyler on fermentation of un- boiled milk, 37 Horse-hair drains, 82 reintroduction of, 83 Hospital, St. Bartholomew's, major am- putations at, 407 Hueter on aseptic surgery, 39 S puncture of joints, 447 Hidzinga on spontaneous generation, 181 Humerus, compound fractures of. See Compound fractures. Humphrey on the open method, 334 Hunter, J., on bad etfects of air, 308 crust formation, 310, 335 resistance of blood to putrefac- tion, 284 • wound treatment, 310 Hutchinson, method of using alcohol, 269, 348 — on pya;mia in lower animals, 548 — results with alcohol, 407 Huxley on spontaneous generation, 188 Hydi'ocele, aseptic treatment of, 568 IMMERSION, history and results of. See Irrigation. — treatment by, 272 Incubation, treatment by, 317 Infective diseases, definition of, 367 germ theory of, 552 relations of aseptic surgery to, 368, 540 relation of treatment with anti- septics to, 405 Tnllamuiafion, absence of, in aseptic wounds, 56(; Instruments, purificalion of, 67, 69 Intestines, wounds of, aseptic treat- ment, 115 Iodine, use of, as an antiseptic, 350 Iodoform, 65, 350 Iron perchloride, as a disinfectant, 350 Irrigation, course of wounds treated by, 587 -- history of, 338 11 R GIO INDEX. Irrigation, its relation to fermentation in wounds, 366 — treatment b.y, 272 • — and immersion, results of, 3-14, 316, 406 Isamhcrt on irrigation, 3-12 TAW, lower, compound fractures of. See Compound fractures. Joints, abscess of, 443 — dangers of wounds of, 296, 30.5, 308, 311, 313, 314, .558 — excision of. See Excision. — gelatinous degeneration of, 442 — gunshot wounds of, 447 — operations on, 305, 312, 446 et seq. — healthy, results of aseptic treatment, 426 wounds of, aseptic course of, 421 treatmeni;, 114, 419 Joly on spontaneous generation, 172 Josse on irrigation, 339 Jute, salicylic acid, 138 'jy'EITH, aseptic ovariotomy, 403 -*1- Kcrii, Vincenz von, on wound treatment, 315 Klcha on micro-organisms in wounds, 228 Koch, method of staining bacteria, 233 — on micrococci, 244 Kraske on gunshot wounds of joints, 447 Krbnleiii, results from open treatment, 410, 586 — statistics of compound fracture, 514 LABARAQUE, Liquor de, 349 Lactic fermentation, 214 Lamaner on irrigation, 339 Lanfranc on immediate union of wounds, 291 LaiKjcnheek on the permanent water bath, 342 subcutaneous osteotomy, 322 Laiiltestrr, E. Ray, on spontaneous gen- eration, 189 Lannelonyue on occlusion, 325 Larrey on wounds of joints, 314 — statistics of operations on joints, 459 jMtta on psoas absce.ss, 306 Laufjier on occlusion, 323 LavdiHicr on fermentation, 3 Le B u: II f on tincture de saponine, 352 LIS Lccontc and Dc mar quay on carbonic acid gas, 331 Le Fin-t on dressings with alcohol, 348 Leg, compound fractures of. See Com- pound fractures. Leiiiairo on ' coal tar saponine,' 352 fermentation, 218, 353 use of carbolic acid, 354 Lcticvant on operations on joints, 447 results of aseptic treatment, 399 Lcutvenhoeck on yeast, 6 Lex-eilU on removal of loose cartilages, 313 Liehig on feimentation, 9, 197, 208 Ligature of vessels with catgut, 75 Limbs, aseptic dressing of, 101 — - compound fractures of, summary of, 478 Lime, chloride, in wound treatment, 349 Lindpaintner on Nussbaum's statistics, 390 Lister, compound fractures, summary of, 484, 498 — earlier aseptic methods, 128 — on asejJtic treatment in war, 123 use of cotton wool, 141 causes of suppuration, 596 — — crust formation, 128, 337 destruction of bacteria by healthy tissues, 282 -- — eucalyptus oil, 141 fermentation, 17 — of blood, 35 boiled milk, 20 urine, 20 unboiled milk, 39 — urine, 36 lactic fermentation, 215 organisation of the catgut liga- ture, 572 — originator of aseptic system, 359 et scq. — on spontaneous generation, 192, 194, 199 treatment by cleanliness, 544 use of zinc chloride, 349 — operations on joints, summary of, 440 — results of aseptic treatment in Edin- burgh, 371 Glasgow, 368 London, 382 treatment by antiseptics in Edinburgh, 376 — summary of spinal abscesses, 536 — table of compound fractures, 466 INDEX. 611 LIS Lister, table of operations on joints, 421 spinal abscesses, 522 Listerian method, development of, 127 358 materials emploj'ed in, 52 Listerism, definition of, 554 — principles of, 51, 359 lAston on water dressing, 316 Liron and Cazcneiive on fermentation, 218 of unboiled urine, 37 on spontaneous generation, 195, 201 Lomhard on treatment of wounds, 315, 339 Lotion, boracic, 64 — carbolic, 53 Lumbar abscess, Abernethy on, 306 aseptic dressing of, 104 ■ results of. See Vertebral abscess. l{/rAAS on acetate of alumina, 139, -LfuL 863 MacCormac on gunshot wounds of joints, 452 statistics of compound fractures, 509 MacEwev, 3Ir., Glasgow statistics, 370 — Dr., absorbable drainage tubes, 84 operations on bones, 504 Mackintosh, use of, in gauze dressing. 03, 90 Mafiatus on wound treatment, 295 JMalgairfne ou effect of air on wounds, 331 irrigation, 341 — statistics of septic treatment, 413 Maisoiincnvc on occlusion, 324 jMalloch, early reports of Listerian method, 134 Mamma, dressings after operations on, 97 2Iatiiegazza on spontaneous generation, 172 Maijiyr on immersion, 340 McVaifx statistics, 415 Meat, fermentation of. See Animal tis- sues. Mi-issner on fermentation of unboiled animal tissues, 49 Mt'lladcw on aseptic treatment in war, 127 Mcijcr on subcutaneous osteotomj', 322 Micrococci, l')illroth on, 243 — characteristics of, 244 NEL Micrococci, definition of, 243 — in wounds treated asepticallj-, 243, 247, 256 — Kocli on, 244 — Lister on, 244 — mode of growth of, 244 — relations of, to carbolic acid, 261 — their significance in acute abscess, 255, 596 — Tiegel on, 244 Micro-organisms, are they excluded from wounds by aseptic treatment 1 227, 454 — Author on relations of, to living body, 205 et seq. — destruction by healthy tissues, 252, 282 — in acute abscesses, 253, 597 — in chronic abscesses, 253 — in wounds treated asepticallj", 227 ct seq. — in wounds treated with eucalyptus gauze, 591 — not present in body in healtli, 248 — relation of, to fermentation, 205 living body, 205 et seq. — resistance to heat of, 203 — their presence in disease, 250, 597 — relation to spontaneous generation, 145 et seq. Milk, Appert's method of preserving, 15 — boiled, fermentation of, 14, 15, 20, 22,25 — unboiled, fermentation of, 37, 38, 39, 214 3/ilton on use of potash chlorate, 350 Morfjan, Cmnphell de, on use of zinc , chloride, 349 Morton's statistics, 371 Mihmieh's carbolic gauze, 362 3[miro, Alex., on bad effects of air, 306 — Hugh, on bad effects of air, 306 Muscles, wounds of, aseptic treatment, 114 Mtisevlv.^ on ammoniacal fermentation of urhie, 207 Mvsset on spontaneous generation, 172 ]\lyotomy, subcutaneous, 319, 320 N^VI, treatment of, 119 JSeck, aseptic dressing of, 96 Necrosis after compound fracture, cause of, 557 Aeedhavi on spontaneous generation, 146, 149 Ai'Iatoii on dressings with alcohol, 348 R 11 2 612 INDEX. NEL Nt'laton on irrigation, 341 Nerves, wounds of, aseptic treatment, lU Neuher, absorbable draina CO., NK\V-S)lili;KT SQUARE AJID i'AUUAJlENT STBBKT