Reprint from ST. LOUIS CLINIQUE for June, 181)4 ABDOMINAL SURGERY ON THE BATTLE-FIELD. N. SENN, M.D., Ph.D., LL.D., President Association of Military Surgeons of the United States; President Association of Military Surgeons of Illinois; Surgeon General of the National Guards of Illinois. Reprint from ST. LOUIS CLINIQUE for June, 1894. Abdominal Surgery on the Battle-field. President Association of Military Surgeons of the United States; President Association of Military Surgeons of Illinois; Surgeon General of the National Guard of Illinois. N. SENN, M. D., PH. D,, LL. D., Military surgery will always be re- garded in the light of a specialty in surgery. The principles which govern its practice are the same as those which guide the civilian surgeon in his work, but the art is as widely at variance as the circumstances which demand its application. The science and art of surger}' have undergone such radical changes during the last decade that nothing short of complete revolutionary changes in this special department will bring it up to the same enviable degree of perfection and usefulness as surgery in civil life. The military surgeon must keep abreast of the times, in order to secure for those placed in his charge the blessings to be derived from the application of the many important and valuable facts brought forward by mod- ern investigation and research. Since the great war of the Rebellion and the more recent Franco-Prussian struggle, military surgeons have had only limited opportunities to make practical use of the great advancements which charac- terize modern aggressive surgerjL For the good of humanity military surgery has been retarded by an epidemic of peace. Let us hope that the time is far distant when it will receive a new im- petus from bloody conflicts on a large scale. As military surgeons, however, it is our duty to prepare for the future so that whenever called upon, we will be prepared to meet the emergencies of recent warfare. The three great fac- tors which will modify the practice of surgery on future battlefields will be: (1) Prevention of wound infection. (2) Conservative treatment of gun- shot injuries of the extremities. (3) Prompt direct operative interference in the treatment of penetrating wounds of the large cavities, a field heretofore almost entirely neglected with the con- sequence that in a large proportion of cases death resulted either from the 2 N. SENN injury per se or some immediate com- plication. All of these subjects pre- sent sufficient importance to claim the most serious attention of every member of the Association, but the scope is too extensive to be covered by an ad- dress which is necessarily limited as to time and which would require better opportunities for actual experience than have come within my reach for a thor- ough elucidation. It is my intention on this occasion, our fourth annual meeting, to discuss a few of the most important points of an entirely new departure in the service of the military surgeon of the future—viz: Abdominal Surgery on the Battlefield. is not exhausted and further studies must be made to furnish the final posi- tive demonstrations. During the beginning of our Civil War, our infantry was supplied with the old Springfield muzzle loader. The bullet was conical and had a diameter of fifty-eight hundreths of an inch and a length of about one inch, and was fired at a velocity of about one thousand feet a second. The Karg-J-uirensen, and similar small calibre gui.s made to fire a jacketed bullet about an inch and one-third in length, and only thirty hundreths of an inch in diameter. The modern bullet consists of a jacket of thin steel, or of German silver, fill- ed with lead and nickel plated. Its construction is such that it is but little deformed even in striking the hardest substances and as the smokeless powder imparts to them a velocity dou- ble of that of the old bullet, it is less liable to deviate from its original course and produces much less laceration of soft parts and comminution of bone. The wounds inflicted resemble more closely incised than lacerated wounds. The old bullet produced more laceration and shock than the new missile. The new bullet inflicts wounds which resem- ble the injuries caused by the old weapons within a distance of 350 yards, and as most of the wounds will be pro- duced at a greater distance the surgeon will have to deal with injuries resembling incised or punctured wounds. The bullet will also be less liable to carry before it infected foreign substances and to lodge in the body, consequently the wounds will be less liable to prima- ry infection and consequently, better a- dapted for successful conservative treat- ment. In so far as pertains to the efficient treatment of wounds of the extremities all are agreed as to the best course of treatment to be pursued. Rigid antiseptic and aseptic measures Since the close of the last great wars the inventive genius has been busily engaged in devising new weapons and other implements of destruction. The smokeless powder and the jacketed small calibre bullet have revolutionized mod- ern warfare. Rapid firing at a greater range and certainty of aim will make the battles of the future of short dura- tion, but the Joss of life and the num- ber of disabled and maimed will be greater than ever. The wounds that will come under treatment on the bat- tlefield will present an entirely different aspect, and will demand different treat- ment than those inflicted by the old weapons. The new bullet, by virtue of its greater velocity and penetrating power, will either produce speedy death or the injury which it inflicts will be more amenable to successful treatment because it produces less contusion of the soft tissues and splintering of bone than the leaden bullet used in the past. Beck, Bruns, Delorme, Tan- gier, Roget, Bardeleben, Helferich, Kocher, La Garde, Griffith, and others have made careful experimental re- searches concerning the effect of the new projectile upon the different tissues at variable distances, but this subject ABDOMINAL SURGERY ON THE BATTLE-FIELD 3 will be carried oat at the first dressing station and rest will be secured by ex- temporized means of immobilization and the patients sent to the rear with a message informing the hospital surgeons whether or not the, first dressing must be changed or whether more efficient antiseptic measures are required, or complications to be treated. Very little has been done so far in the way of aggressive surgical interference for heroes who fell mortally wounded in the line of battle in the defense of their country, their ruler, their families, their homes and their rights. The time has to direct means of haemostasis. In future wars it should be made the sa- cred dot}- of every civilized nation to do all that modern surgery can accom- plish in the treatment of perforating gunshot wounds of the abdomen at the first dressing station located as near as possible to the fighting line. Every soldier who has been in active military service can recall instances where com- rades dropped in the ranks with a mor- tal bullet wound of the abdomen, who lived for several hours and died from hemorrhage, often forgotten and un- eared for in the excitement of the con- First aiil from behind the line of battle. Looking toward ihe first dressing station. [The field scenes were photographed by Captain Ives and Lieutenant Newgarden at Fort Sheridan.] come when in case of war adequate provisions should be made on the field of battle near the fighting line for the prompt treatment of perforating gun- shot wounds of the abdomen. It is difficult to conceive how many valuable lives have been sacrificed on the field of battle during the innumerable bloody conflicts recorded in the history of the world which now could be saved by prompt and efficient surgical interfer- ence. Thousands of lives have been lost from internal hemorrhage alone which at the present time could be saved by abdominal section and resort flict. Justice, patriotism, humanity and the present status of abdominal surgery demand that in future wars a well regulated hospital corps shall ren- der efficient first aid, promptly convey the severely wounded to the first dress- ing station where they can receive fur- ther surgical aid, and where, if die they must, the last hour of their life shall be peaceful, surrounded by those who will add to their comfort and administer words of consolation as the immortal spirit leaves the maimed body for its eternal resting place. It is my firm conviction that military surgeons will 4 N. SENN follow the precepts and practice of the progressive and aggressive civilian sur- geons in the treatment of visceral in- juries of the abdominal cavity on the first opportunity that presents itself. To permit a wounded soldier to die from hemorrhage of a wound of one of the abdominal organs, which otherwise would not prove a source of immediate or remote danger, is in conflict with the duties of the country to its defend- ers, and a reproach upon modern surgi- cal practice on the battlefield. bulance station in some protected lo- cality and sufficiently to the rear of the fighting line to be out of range of the small arm bullets. From here the members set out with litters and sup- plied with the necessary articles to render the first aid. Each member should be able to make a quick and reliable diagnosis between shock and the complexus of symptoms resembling shock produced by internal hemorrhage. In shock the maximum ap- pear immediately after the receipt of the injury while in hemorrhage the symptoms gradual!} 7 increase in inten- sity with the loss of blood. This dis- tinction has an important practical bearing as the administration of stimu- lants increases the danger from hemor- rhage while it mitigates the symptoms of shock. The treatment of internal hemorrhage should receive attention on the part of those who first come in contact with the wounded. The patient must be kept in the recumbent position and should be cautioned not to make the least muscular exertion. The first aid in such cases should con- sist of measures best calculated to retain within the blood vessels as much blood as possible and to place the vis- ceral wound in the best possible condi- tion for the formation of a thrombus. Two leading indications will present themselves in the treatment of penetrat- ing gunshot wounds of the abdomen. (1) Arrest of hemorrhage. (2) Direct treatment of visceral wounds. The timely treatment of visceral in- juries of the abdomen on the battle- field will require improved facilities for transportation of the wounded and an adequate hospital corps force to render the first aid and transport the wounded to the first dressing station and later to the field hospital. In the regular army a faithful effort is now made to build up an efficient and well-equipped hospi- tal corps. The Surgeons of the Na- tional Guard should use their influence in securing uniform legislation in every State of the Union looking toward the organization of a similar special mili- tary service. So far but little has been done in this direction. The hospital corps service should be modelled as closely as possible after that of the regular array. The members of the corps should, of course, be non-combat- ants and well instructed in their special work. The members should at least possess a good common school educa- tion and sufficiently familiar with minor surgery to act as trustworthy assistants in emergency operations. During the beginning of an engagement the hospi- tal corps under the command of the officer in charge is stationed at the arn- I know of only two indirect means to accomplish these objects, viz.: (1) Constriction at the base of the extremi- ties. (2) Pressure over the seat of in- jury. Constriction at the base of one or more extremities sufficiently firm to arrest both the arterial and venous circulation will preserve the blood con- tained in the extremity at the time the constrictor is applied and will lighten the heart’s action to an extent corres- ponding with the amount of blood ex- cluded in this manner from the general circulation. In this manner a sufficient amount of living blood could often be ABDOMINAL SURGERY ON THE BATTLE FIELD First Dressing Station. retained in the body to carry on the functions of life after the cause of bleeding has been removed by direct hemostatic measures. The wounds of entrance and exit are covered with an antiseptic pad. The suspenders of the wounded soldier, the gun-strap, the belt, or strips of his clothing could be used to make the adequate number of circular constrictions. Direct pressure over the wounded organ will diminish its vascularity, and bring the tissues of the tubular wound in contact, condi- tions which will favor spontaneous arrest of hemorrhage by the formation of a blood-clot. Pressure to meet these in- dications can be made by applying over the wound of entrance protected by an antiseptic pad a compress composed of the canteen, the cartridge box or an article of clothing and held in place by the belt, the gun-strap, suspender or a strip of clothing. After such tem- porary aid the patient should be trans- ported as quickly as possible from the fighting line to the ambulance station and from there to the field hospital. For obvious reasons the first dressing station is not the place for operations upon any of the abdominal organs. The ever varying position of the line of battle, the inadequate supply of in- struments and dressing materials as well as the exposure more or less to the dangers incident to active warfare pro- hibit any operations requiring abdomi- nal section in such close proximity to the danger line. Patients suffering from penetrating wounds of the abdomen should be transported on the same litter in the ambulance from the battle-field to the field hospital, as gently and as quickly as circumstances will permit. The new weapons will make it necessary to establish the first dressing station and the field hospital at a more distant point behind the fighting line than hereto- fore. The first dressing station should be in some protected place, in a ravine or behind a building while the latter should be in a place farther in the rear entirely out of reach of the infantry fire and in a place protected against the fire of artillery. While I am extremely anxious to impress upon the members of this Association the importance and justifiability of abdominal section up- on the battle-field as a life-saving opera- tion I am equally conscious of the responsibility which accompanies the 6 N. SENN. teaching and practice of such a new departure in military service. The in- discriminate adoption of such a prac- tice by all military surgeons would in all pi obability increase rather than diminish the mortalitj' of penetrating wounds of the abdomen. Abdominal section under such trying circumstances i-equires an unusual degree of moral courage and special skill. Surgeons to whom such a task will be assigned must be thoroughly prepared for their work. of the medical service men who will be competent to perform the most difficult operations upon any of the abdominal organs at a moment’s notice with the simplest instruments, with few assis- tants and the most primitive surround- ings ; with such a nucleus abdominal surgery in military practice will soon become a favorite subject for discussion and the battlefield of the future will bring new laurels upon the many achievements of modern surgery. The correct diagnosis and proper treat- ment of gunshot wounds of the stomach and intestines require a degree of skill and dexterity which can only be acquired by operations on the cadaver and experi- ments on the lower animals. Operative courses on the cadaver are valuable and useful, but they never can take the place of experiments on the living animal in acquiring a practical knowledge of abdominal surgerj'. This is more especially true in reference to the required manual dexterity in the surgical treatment of internal hemor- rhage and wounds of the abdominal viscera. A certain amount of experi- mental experience is absolutely required in the preparation of the surgeon for this kind of abdominal work which re- quires not only courage, good judg- ment, and a thorough knowledge of every step in diagnosis and treatment, but also a certain manual dexterity which cannot be acquired in any other way. We can hardly hope that every military surgeon will acquire the nec- essary qualifications for such work. Nor is this necessary. Abdominal sur- gery on the battlefield will constitute only a small part of the work required of the surgeons during an engagement. Many penetrating wounds of the abdo- men will prove speedily fatal. Those cases which survive the immediate ef- fect of the injury and are in a condition to justify abdominal section will be comparatively few. The abdominal work should be done by surgeons who possess special skill and experience. At least one surgeon in every brigade should be stationed at the field hospital whose duty it should be to superintend the An accurate knowledge of the anatomy and topography of the abdominal organs is an essential prerequisite to thestudent of abdominal surgery. The necess- ary manual dexterity can only be ac- quired by actual work and practical demonstrations. No amount of reading and hearing will bring the necessary skill. Even the minutest descriptions of the details to be observed and ap- plied in the diagnosis and treatment of gunshot wounds of the abdomen are utterly inadequate to prepare a surgeon to interpret correctly the symptoms and signs presented by penetrating gunshot wounds of the abdomen, or to meet the often unexpected emergencies in their treatment. The establishment of the Army and Naval Medical Schools is a source of congratulation not only to the respective services of the Govern- ment but also to every surgeon of the National Guard. To them we shall look foremost for the needful advancements in military surgery. They should and will be the authoritative exponents of the much needed improvements of sur- gery on the battlefield. I trust they will in their curriculum include instruc- tion that will prepare in each branch ABDOMINAL SURGERY ON THE BATTLE-FIELD preparations and perform the operations The most successful laparotomists need the fewest assistants and instruments. In military practice their example should be followed. During an engagement on a large scale the surgeons and mem- bers of the hospital corps are always overtaxed, by urgent demands from all directions. Excitement and confusion reign everywhere. The deafening roar of the artillery, the rattling of the infan- try, the commands of the officers, the groans of the wounded, the rumbling of the ambulances are well calculated to corps, a laparotomy for gunshot wound of the abdomen can be made quickly and successfully provided careful pre- parations have been made beforehand. Preparations for Operation. The field-hospital will be either a building used temporarily for hospital purposes or a hospital tent. In the former case the operating room should be cleared of all furniture and drap- eries, the floor, walls and ceiling sprinkled with a strong solution of carbolic acid or corrosive sublimate. Ambulance Station. excite curiosity and to deviate the no- vices from the strict line of duty. It is under such circumstances that the surgeon who is to perform the most difficult operations in surgery must be in full possession of all of his mental faculties if his work is to save many of the lives placed in immediate jeopardy from the effects of the enemy’s bullets. Ample preparation must be made be- forehand otherwise valuable time is lost and man}7 lives sacrificed that might be saved by prompt action. With two skilled assistants, an assistant sur- geon, and a member of the hospital A portable sheet-iron stove heated by coal oil will answer the purpose of heating the room and sterilizing the instruments and the water used during the operation. Two large tin pails, one for cold and the other for hot sterilized water and three large wash-basins of granite ware, and a dipper of the same material will answer the purpose of handling the antiseptic solutions and sterilized water. Sterilized gauze should take the place of sea sponges. The instrument case that I devised some time ago and which I have called the emergency pocket operating case, 8 N. SENN. contains all the instruments needed and as it contains needles and the neces- sary suture material everything in the way of instruments, ligatures and su- tures can be rendered absolutely sterile by placing the case for fifteen minutes in boiling water to which has been ad- ded one per cent, of carbonate of soda. The case is then taken out and after pouring out the water it is placed on the stove until its contents are dry, when they are placed upon an extem- porized table covered by an aseptic towel. The hands of the operator and assistants are in the meantime rendered aseptic in the usual manner. During the operation the instruments are to be cleansed as often as necessary in steri- lized water and laid upon the towel until needed by the operator. The best operating table will be the litter operating table. This table is compos- ed of the litter upon which the patient is brought to the hospital placed upon the extension frame. Folding camp- stools will answer the purpose of tables for the wash-basins and instruments. Bricks, stone, sand or earth can be heated on the stove and will answer an excellent purpose in supplying the ex- tremities with artificial heat during and after operation. The necessary stimu- lants, alcohol, camphor, nitrite of amyl, ammonia and strychnine should always be on hand to counteract the symptoms of shock. One assistant administers the anaesthetic while the other hands the instruments, handles the gauze sponges and otherwise assists the op- erator. A number of gauze compresses must be kept in readiness. During the operation sterilized water is used exclusively. If flushing is indicated this can be done by pouring warm water from a basin. During the opera- tion the patient should be placed in a slightly inverted position for the purpose of increasing the blood supply to the vital organs and diminishing the tendency to prolapse of the intes- stine. In the future the differential diag- nosis between penetrating and non- penetrating wounds of the abdomen will be attended by less uncertainty than in the past, as in most instances the bullet will pass through the body in a straight line and the wounds of en- trance and exit will indicate whether or not the abdominal cavity has been invaded. Prolapse of the abdominal organs, owing to the smaller size of the bullet wound, will be less frequently observed. If an operation is decided upon and the patient suffers from shock, one-twenty-fourth of a grain of strychnine should be given subcu- taneously before the administration of the anaesthetic. No time should be lost in removing the patient’s clothing, as such a procedure would tend to in- crease the Hemorrhage and add to the existing shock. The boots or shoes should be removed and artificial heat applied to the feet, the abdomen laid bare, rolling pants and drawers down- ward sufficiently far to expose the pubes and the remaining clothing upward far enough to bring into view the costal arches on both sides. After the patient is fully under the influence of the amesthetic, the abdomen is rapidly disinfected by washing with warm water and potash soap, shaving, wash- ing with a 1:1,000 solution of sublimate and finally with alcohol or ether. The clothing in the vicinity of the abdomen is then covered with dry aseptic towels. Unless contraindications exist, the ab- domen is opened in the median line as this incision affords the most ready access to the injured organ. In per- forating wounds of the abdomen, pro- fuse hemorrhage is more frequently of parenchymatous and venous llin ar Operation. ABDOMINAL SURGERY ON THE BATTLE-FIELD 9 terial origin. Gunshot wounds of the liver, spleen, kidneys, and the mesen- tery give rise to profuse and often fatal hemorrhage. After opening the perito- neal cavity it is often very difficult to find the bleeding points, as the blood ac- cumulates as rapidly as it is sponged away, and it becomes necessary to re- sort to special means in order to arrest temporarily the profuse bleeding suffi- ciently to find the source of hemorrhage. One of two resources should be em- ployed: (1) Digital compression of the aorta. (2) Packing of the abdomi- nal cavity with a large number of gauze compresses. Digital compression of the aorta below the diaphragm can be readily made by the assistant introduc- ing his hand through the incision, which in such cases must be larger than under ordinary circumstances. Compression of the abdominal aorta immediately below the diaphragm will promptly arrest the hemorrhage from any of the abdominal organs for a suffi- cient length of time to enable the sur geon to find the source of hemorrhage and carry out the necessary treatment for its permanent arrest. Hemorrhage from a perforated lacerated kidney may demand a nephrectomy. If an injury of this nature is associated with a wound of the abdominal cavity the organ will probably be removed by laparotomy. If this method is employ- ed the wound of the parietal peritoneum is sutured, and if necessary drainage established by a counter opening in the lumbar region. A similar wound of the liver is cauterized with the actual cau- tery, sutured or tamponned with along strip of iodoform gauze, one end of which is brought out of the external wound. At the last meeting of the German Congress of Surgeons, von Bergmann spoke strongly in favor of the suture as a haemostatic agent in the treatment of wounds of the liver. He asserted that Glisson’s capsule offered enough resistance to the sutures, while a num- ber of other surgeons gave it as their opinion that the sutures would tear through. A round needle should be used invariably in suturing such a vas- cular organ as the punctures are less liable to bleed than if the ordinary sur- gical needle is used. It appears to me that on the battlefield the tampon should be relied upon in arresting hemorrhage Field Hospital. 10 N. SENN from wounds of the liver, as its use re- quires less time, and it serves at the same time the useful purpose of an effi- cient capillary drain. The use of the cautery is of course not to be thought of in the treatment of tubular wounds, and its employment will consequently be restricted to wounds of the surface of the organ or its lower border. A wound of the spleen, if the hemorrhage cannot be arrested by the antiseptic tampon, necessitates splenectomy as the tissues of this organ are too fragile for the successful employment of the suture as a haemostatic agent. Hemor- rhage from the pancreas must be con- trolled by antiseptic tamponnade, as this organ is not sufficiently accessible to permit ligation or suturing without too extensive eventration and too great a loss of time. Very troublesome hem- orrhage is often met with from wounds of the mesentery. The mesenteric veins are comparatively large in size, and the tissues surrounding them are not well adapted to effect spontaneous arrest of hemorrhage. When multiple perforations of the mesentery and vis- ceral wounds of the stomach and intes- tines are the source of hemorrhage, it is a good plan to pack the abdominal cavity with a number of large gauze compresses, each secured by a strip of gauze which should be brought out of the wound to facilitate their removal, and as a safeguard against losing or forgetting them in the abdominal cav- ity at the completion of the operation. The compresses make sufficient pres- sure to arrest parenchymatous oozing as well as venous hemorrhage if they are placed at different points against the mesentery and between the intestinal coils. The compresses are removed one by one from below upwards and the bleeding points secured as fast as they are uncovered. The ligation of mesenteric vessels, both arteries and veins, should be done by applying the ligature en masse. Thornton’s curved haemostatic forceps, or the ordinary an- eurism needle, is the most useful in- strument for this purpose. Catgut should never be relied upon in tying mesenteric or omental vessels, as this material for several reasons which it is not necessary to mention here, is great- ly inferior to fine silk. The omentum and mesentery must be tied in fine sec- tions, the ligatures firmly drawn, and if a part of either of these is excised the incision should be made at least half an inch from the ligatures to pre- vent their slipping. Troublesome hem- orrhage from a large visceral wound of the stomach and intestines is best con- trolled by hemming the margin of the wound with fine silk. If hemorrhage is profuse from any of the causes which have been enumerated, this must be attended to before anything is done in the way of finding or suturing of the visceral wounds. , Treatment of Visceral Wounds. Clinical experience and experimental research have demonstrated beyond all doubt that visceral wounds of the stom- ach and intestines large enough to give rise to extravasation are with but very few exceptions mortal injuries. The danger arising from such wound is, of course, much greater when the organ injured is in a condition of active physiological function; on the other hand, if the organ is in a state of rest extravasation is less liable to occur and consequently a greater possibility of spontaneous healing of the visceral wound. For this reason we find numer- ous records of recovery from pistol- shot wounds of the stomach, this organ having been empty at the time the in- jury wTas received. More numerous are the instances in which patients have recovered from perforating wounds of ABDOMINAL SURGERY ON THE BATTLE-FIELD 11 the abdomen in which the clinical symp- toms did not indicate the existence of any visceral injuries. I have been con- vinced for years that a bullet passing through the abdominal cavity does not produce visceral injuries as constantly as we have been taught to believe. 1 made fourteen experiments on the cada- ver for the purpose of ascertaining the comparative frequency of visceral in- juries in perforating wounds of the abdomen. In four of these experiments the bullet passed through the abdomi- nal cavity in an antero-posterior direc- would tend to destroy life. In regard to the direction of the bullet, it may be said that if it has crossed the abdomi- nal cavity in an antero-posterior direc- tion at or above the umbilical level, the stomach and intestines may have escaped injury, while if it has passed from side to side or obliquely at a point below the umbilicus, it is not only al- most certain that it has injured the intestines, but it is almost equally cer- tain that it has produced from three to sixteen perforations. The treatment that has been advised Laparotomy on the Battle-field. tion without producing any visceral injury which would require surgical interference. In two out of six cases of penetrating gunshot wound of the abdomen that have come under my own observation laparotomy revealed the ab- sence of visceral wounds. Laparotomy should not be performed simply because a bullet has entered the abdominal cavity, but its performance should be limited to the treatment of intra-abdominal lesions which, without operative interference, for the arrest of hemorrhage from the liver, spleen, pancreas and kidneys is about all that can be done for gunshot wounds or these organs. A more com- plicated and difficult task confronts the surgeon in the treatment of visceral wounds of the gastro-intestinal canal. If the location of the wound of entrance and direction of the bullet indicate the existence of a wound of the intestinal canal below the ileo-caecal valve, a speedy and positive diagnosis can be 12 N. SENN. made after the patient is under the influence of the anaesthetic, by insuffla- tion of air per rectum. If this test yields a positive result, median laparo- at once, the lowest perforation located by rectal insufflation. When this has been done the air from the intestinal canal below the perforation should be Author’s Litter Operating Table. Author’s Field Operating Table, Folded. Operating Table and Litter, Folded. tomy is to be performed at once, the wounds located by the same test and sutured. In the majority of cases two wounds will be found. If the small intestines are out of range of the track made by the bullet, further search for perforations is not only unnecessary, but harmful. Careful toilet of the peritoneal cavity in the vicinity of the intestinal wounds by flushing or mop- ping is always necessary in such cases. If considerable extravasation has taken place, drainage should be provided for in addition. If the direction of the track of the bullet is such that it is probable that the small intestines are injured the abdomen should be opened removed as far as possible, when the insufflation is made from this point in an upward direction in search of addi- tional perforations. If additional per- forations are found, the intervening portion of intestine is emptied of air, the first j erforation closed by suturing, and the process repeated until the en- tire intestinal canal has been tested by this method. Extensive eventration is prevented by reducing the part of in- testine examined and treated as fast as the exploration is made. By adopting this method the surgeon guards absolutely against leaving an undiscovered wound which has in so many instances been the immediate 13 ABDOMINAL SURGERY ON THE BATTLE-FIELD. cause of death after laparotomy for gunshot wounds of the abdomen. If the wound of entrance and direction of the bullet point to the probable exist- ence of a wound of the stomach, insuf- flation of the stomach through an elas- tic stomach tube will prove a most valuable diagnostic measure, and is occasionally the only way by which a second perforation of this organ can be detected, as is the case if it involves the smaller curvature or the posterior wall. The suturing of the wound is done in the quickest possible time and in the simplest manner. If bleeding has not ceased it is arrested by hemming a number of wounds are found in close proximity. In such cases extravasa- tion during the operation is prevented by constricting the bowel on each side with a strip of gauze passed through a small button hole in the mesentery close to the bowel, made with a pair of hsemostatic forceps and tied sufficiently firm to prevent escape of intestinal contents. If any part of the sutured bowel presents conditions that might endanger the healing process, it should be covered by an omental graft. The operation must be completed as rapidly as possible, hence the toilet of the per- itoneal cavity and suturing of the ex- Author’s Litter. Weight lbs. Litter, Folded. the margins of the wound by a continued suture of fine silk. ternal wound must be completed with as little delay as is compatible with the safety of the operation. A single row of sutures including all of the tissues of the abdominal incision, will answer the purpose in closing the external in- cision. The omentum must invariably be drawn down sufficiently far to cover the abdominal incision, as this procedure is best calculated to pre- vent subsequent adhesions of the remaining abdominal organs to the inner surface of the external incis- ion. If the patient has lost a danger- ous amount of blood a saline intra- venous infusion will often prove the means of preventing death from this source. The solution should be pre- pared by dissolving in a quart of warm sterilized water the requisite quantity The closure of the wound is effected Lembert stitches, about six to the inch, which must include a few fibers of the firm sub-mucous coat on each side. Trimming of the contused mar- gins is superfluous. An ordinal sew- ing needle and fine-braided silk should be used in suturing the visceral wounds. As a rule the line of suturing should be made transversely as stenosis is less lia- ble to occur and the vascular supply to the parts coaptated is less likely to be compromised than would be the case if the wound is closed in a direction par- allel to the long axis of the bowel. Enterectomy and circular suturing may become necessary if the wound involves the mesenteric side of the bowel, or if N. SENN. of pure sodic chloride, kept in readiness for this purpose. The after-treatment must have in view mainly to meet the symptoms of shock caused by the in- jury and the operation. Rest, external dry heat, subcutaneous injections of strychnine and alcoholic stimulants will meet this indication most satisfactorily. Absolute diet for the first three or four days with rectal alimentation constitute an essential part of the after-treatment. modern surgery will be to extend the recent achievements of abdominal sur- gery to the battlefield. I am painfully conscious of the fact that the profess- ional military surgeons will regard the suggestions that I have made in this direction as immature and imperfect, but if I have succeeded in awakening their interest in this matter the princi- pal object in the preparation of this address will be realized. Author’s Pannier and Dressing-Case. Weight including contents, 70 pounds All articles contained in Aluminum cases. A saline cathartic should be given as soon as tympanites makes its appear- ance regardless of the length of time that has intervened since the operation. I am firmly convinced that abdominal surgery has a great future in military practice. It is the duty of the proper military authorities to make ample pro- vision for initiating a well-matured plan of procedure calculated to save occas- ionally a life upon the battle-field in cases heretofore beyond the reach of surgery. The nations that spend mil- lions of dollars annually in perfecting their methods of warfare should not re- main unconscious of their full duty to the wounded of future conflicts, and one of the most urgent demands of In conclusion permit me to formulate the salient ideas on this subject in the following conclusions: 1. Abdominal surgery will extend its life-saving work to the battlefield of future wars. 2. The treatment of dangerous inter- nal hemorrhage and visceral wounds of the abdominal organs by laparotomy in military practice is a justifiable and legitimate procedure, which merits the earnest consideration of every military surgeon and deserving of the most seri- ous attention of the proper military authorities of all civilized nations. 3. The first aid to those suffering from gunshot wound of the abdomen and in which life is threatened by hem- ABDOMINAL SURGERY ON THE BATTLE-FIELD. 15 orrhage should consist in compression over the injured part and auto-transfu- sion by circular constriction at the base of one or more extremities. treatment by suturing, aseptic tampon- nade, or actual cautery. 9. Wounds of the spleen and kidney, if not amenable to the same treatment, may require removal of the injured 4. Operative treatment of gunshot wounds of the abdomen should be re- sorted to promptly in appropriate cases, and for this purpose the wounded should be transported from the fighting line to the field hospital with great care and without delay. organ. 10. Wounds of the stomach and in- testines large enough to permit extrava- sation with very few exceptions result in death, and should therefore be sub- jected to direct operative treatment before serious complications set in. 5. The field hospital should be equip- ped with the necessary instruments and outfit to perform aseptic operations. 11. Distension of the stomach and colon by insufflation of air before Author’s Emergency Pocket Operating Case 6. After opening the peritoneal cavity by a median incision temporary haem- ostasis can be secured for the purpose of arresting dangerous arterial hemor- rhage by digital compression of the aorta below the diaphragm and venous hemorrhage or parenchymatous bleed- ing by sponge compression. laparotomy and of the small intestines through one or more perforations after the abdomen has been opened, is a valuable diagnostic test. 12. Wounds of the stomach and in- testines can be quickly and safely closed by one row of sero-muscular sutures including a few fibers of the submu- cous fibrous coat. 7. Permanent haemostasis must be secured by ligature or aseptic tarnpon- nade. 18. The after-treatment should con- sist of such measures as will most suc- cessfully combat the symptoms of shock and secure rest for the injured organ. 8. Visceral wounds of the liver and pancreas are amenable to successful