Elements of Surgery

by Robert Liston

Wounds of the radial and ulnar arteries may require their being exposed and tied at various points and at various periods—shortly after the accident, or after the lapse of many weeks—on the occurrence of secondary bleedings, or after the formation of false aneurism. This is accomplished by incision in the course of the wounded vessel, sacrificing as few muscular fibres as possible. Nevertheless, the incision must always be free, to enable the surgeon to effect his purpose readily.

Wounds of the Palmar Arches, and of the branches proceeding from them to the extremities of the metacarpal bones, are exceedingly common; as also wounds of the radial artery betwixt the thumb and forefinger, of the arteria radialis indicis, and of the superficial volar branch. The opening in the integuments and palmar aponeurosis is usually narrow, and the hemorrhage copious; it is generally arrested by pressure, not always well or efficiently applied. From these circumstances, blood is extravasated extensively into the deep cellular tissue, blood continuing to escape from the artery, and being either imperfectly discharged, or completely confined. Great swelling, with tension and acute tenderness, takes place; in fact, rapid inflammatory action is kindled in the infiltrated parts, and unhealthy abscesses form; the matter ultimately reaches the surface, but by that time ulceration or partial sloughing has taken place at the wounded part of the vessel; profuse and repeated hemorrhages take place, and are with difficulty controlled. The patient becomes weak and pale. The greater part of the forearm may become involved in the inflammation, terminating in infiltration of the cellular tissue, and the formation of diffuse abscesses.

In the first instance, instead of trusting to pressure,—which almost uniformly disappoints expectation, does not prevent internal bleeding, and leads to a severe form of inflammatory action,—it is better at once to enlarge the wound, and tie the wounded vessel above and below the injured point. Thus all bleeding is effectually prevented, and the risk of unfavourable consequences done away with. But after inflammatory swelling has commenced, such a proceeding is difficult, often almost impossible, and generally fruitless. The parts are then full of blood, lymph, serosity, and pus, separated from each other, and changed both in appearance and structure; the vessel is either not visible on account of the infiltration around, or its coats are so diseased as to be incapable of holding a ligature. At any period, it is unsafe and unwarrantable to dive, pretty much at random, with a sharp needle, amongst tendons, nerves, arteries, and veins, with the hope of so including the wounded branch. In some cases of secondary bleeding—if no great inflammatory action has taken place, and no abscesses have formed—the wound may be dilated freely, and compression made on the bleeding point by dossils of lint filling the wound completely, and supported by a bandage. This dressing, retained for some days, often succeeds perfectly; permanent obstruction of the vessel, and consolidation of the parts immediately around, having been accomplished by the effusion and organisation of lymph. When this method fails—and when the case is more advanced, with pain, and swelling, and abscess—weakening of the circulation in the part is found to be effectual. The main artery is to be obstructed at a distance from the wounded part. It is needless to tie the radial, or the ulnar, or both; for still blood will be poured in by the interosseous and its anastomoses. The humeral must be secured in the middle of the arm, as has been practised in many instances, and with uniform success. Thus the bleeding is arrested until the wounded vessel recovers, and becomes permanently closed by salutary effusion; then the inflammatory action, and its consequences, in the surrounding parts, must be treated on the general principles of surgery.

Paronychia, or Whitlow, designates inflammatory action and its consequences, in the structures composing the fingers. The mere surface may be the seat of the inflammation of the cellular tissue, or the fibrous structure betwixt that and the sheath of the tendons; or the firm and true sheath of the tendons, and the synovial surface; or the investing membrane of the bone, the bone itself, and the articulating surfaces and apparatus may be involved secondarily, or from the first. The inflammatory action may commence in any of these structures, but, if uncontrolled, ultimately attacks the greater number, or all of them. The deeper seated the action, the more violent are the symptoms, and the greater the danger to the member. In the cutis vera of the fingers, there is a plentiful distribution of nerves of sensation; and, consequently, in superficial whitlow, the pain is often severe, with throbbing, and an occasional feeling of itching. The part is swelled and red, and the redness is diffused. After a short continuance, the swelling increases at some points, often about the root of the nail, from effused fluid betwixt the cuticle and rete mucosum; the fluid is sometimes serous, generally sero-purulent. In the deeper-seated inflammation, the pain, throbbing, heat, and swelling, are all greater. The pain is more intense, and almost intolerable, allowing the patient little or no rest; and the throbbing extends to the vessels of the hand and forearm. A considerable degree of fever attends. The action either involves one phalanx, or extends over the whole finger, and ultimately attacks the hand. The palm is hard, pained, and swelled; and, in advanced cases, swelling takes place above the annular ligament. Often the surface of the back of the hand is also inflamed, and the cellular tissue loaded with serum. The disease, if not actively and properly treated, terminates in a very short time; in two or three days suppuration takes place, with sloughing of the cellular tissue, of the sheaths of the tendons, and

of the tendons themselves. Either ulceration or necrosis—often both in combination—occurs in the phalanges; or the apparatus of one or more of the articulations is destroyed. Abscesses also form in the palm, on the back of the hand and finger, and sometimes under the fascia of the forearm. The separation of portions of one of the tendons is not always followed by loss of motion in the finger; neither is exfoliation

of the greater part of the distal phalanx always attended with much deformity or shortening, a nucleus being often left from which bone may be reproduced. But destruction of the whole flexor or extensor tendons of one of the middle or proximal phalanges, or destruction of one of the articulations connecting them, is not only attended with great suffering, but followed by total uselessness of the part. The wounds may, after a tedious process, heal up; but the finger remains deformed and immovable, in a contracted or extended position, as may be.

The disease may be occasioned by bruises or punctures, the instrument with which the puncture is inflicted being impregnated, or not, with some putrid animal matter. Violent inflammatory action almost uniformly follows opening of the articulations, and also lacerated wounds over the joints. Compound fractures and dislocations of the phalanges are certainly followed by a severe form of inflammation. But the disease is met with in all degrees of intensity, occurring without any assignable cause. It prevails in spring and autumn; and is common in hard-working people, in butchers, cooks, &c.

In superficial whitlow, the bowels must be attended to, and blood may be abstracted locally, either by punctures or by the application of leeches along the side of the finger, hot fomentation being assiduously and regularly employed afterwards. Or the nitrate of silver may be rubbed lightly over the discoloured parts; frequently the inflammation may be arrested, and resolution speedily effected, by this simple application, laxative or purgative medicines being at the same time administered, as required. The collections which form are evacuated by simple division of the cuticle, and this, when hard, should be clipped away; poultices are used for a short time, and then the raw surface is dressed simply, and the finger bandaged daily. The hand should be kept constantly elevated. The swelling is soon reduced, the cuticle is regenerated, and free motion of the finger returns gradually.