Slow degenerations of the spinal chord are not easily combated with success. Considerable changes of structure have taken place, as shown by the symptoms, before the patient becomes alarmed and applies for relief. He has had a feeling of distention about the lower part of the bowels, and voids his urine with some difficulty; perhaps he suspects stricture of the urethra as the cause. He lifts his feet awkwardly, sets them down clumsily, and all of a piece; his knees totter, there is no feeling about his buttocks, and a numbness round the anus. At length he is for the first time alarmed by incontinence of urine having supervened, or by the limbs having sunk under the weight of the trunk, and by his coming to the ground with violence. The remedial means are local abstraction of blood from over the seat of the disease, followed by friction and counter-irritation. Strychnine may be tried in some cases. But it is indeed seldom that the progress of the case is satisfactory.
Fracture of the Clavicle.—This bone is liable to be broken by indirect violence, as by falls on the point of the shoulder, from horseback, or from the top of a carriage; or by a fall with a carriage, the person being inside—of this accident I have met with three or four instances. It may also be broken by direct violence, as by a blow on the bone, or by the person striking it against a hard substance in a fall. It generally gives way about the middle. The fracture, when occasioned by force applied to the acromial extremity, is usually oblique; transverse when the force is applied to the shaft of the bone. The displacement is in most cases great; but when the fracture is at the bend near the scapular extremity,—a not very uncommon accident,—disjunction of the fractured extremities is prevented by the attachments of the conoid and trapezoid ligaments. In ordinary cases, that fractured extremity projects which is attached to the sternum, whilst the scapular portion is depressed and carried inwards. In short, the scapular portion is displaced, the sternal is nearly in situ; though, from the depression of the former, the prominence of the latter appears to arise from displacement. The arm falls forwards and downwards.
The fracture is sometimes compound. The wound is generally small, and occasioned by the projection of the sternal portion; or the integument may be divided by the external force.
The nature of the accident is readily recognised. The deformity is very apparent. There is swelling, from extravasated blood, over the bone; the shoulder is unnaturally approximated to the chest, and depressed. The motions of the extremity, those above the shoulder, are impaired. Crepitation is felt on raising the arm, and carrying it backwards so as to bring the fractured surfaces into contact.
When the patient is seen immediately after the accident, the bones are to be placed in apposition, and retained, without delay, and before inflammatory swelling has come on. No complicated apparatus is required. A pad, firm, though of soft material, and large enough to fill the arm-pit completely, is rolled in a shawl and placed in the axilla; it is retained by tying the shawl over the opposite shoulder, a soft pad being interposed between the knot and the skin to prevent excoriation, and is farther secured by tying the ends under the axilla of the uninjured extremity, which should also be protected by a small cushion. A few turns of a roller, or a handkerchief, are placed round the arm and chest, so as to secure and fix the limb; so the retentive apparatus is completed. The shoulder is thus raised, and removed from its unnatural position; and the fractured extremities of the clavicle, previously placed in accurate contact, are prevented from being again displaced. The elbow and forearm should be supported by a sling, otherwise the unsupported weight of the limb dragging on the shoulder will cause considerable pain, and subsequent displacement will be apt to occur. In order to prevent swelling, it is sometimes advisable to support by a bandage the hand and forearm. The apparatus should be looked to occasionally, adjusted and tightened; and the cushions should be replaced by fresh ones, to prevent excoriation and uneasiness. The bone will be found to lie quite smooth, to remain of its proper length, to unite, generally within twenty days, and that without any unseemly exuberance of callus. No evaporating lotions are necessary. No compresses or splints need be applied over the bone. If the patient be bruised in other parts, and become feverish, it may be requisite to abstract blood and exhibit antimonials, purgatives, &c. But all inflammation, arising from the fracture, subsides on the accomplishment of reduction, adaptation, and retention of the portions. If the fracture be compound, the edges of the wound should be brought together and retained, so as to favour immediate union.
The body of the scapula is broken, generally by a severe injury of the chest, as by a hard and heavy body passing over it. There is little or no displacement; and the accident is not easily detected, more especially after swelling has taken place.
It is sufficient to restrain motion; and this is effected by passing a bandage round the chest, over the scapula, and round the arm.
The acromion process may be broken off; but the accident is rather uncommon. The fracture is produced by direct violence—a blow or a fall on that point. The spine of the bone also is sometimes broken by a like cause. Portions of the acromion may be separated along with the ligaments connecting the clavicle to it, in the accident of dislocation of the scapular extremity of that bone. The acromion is occasionally broken into fragments by heavy falls on the point of the shoulder.
There is a slight appearance of flattening of the shoulder at first, and then great swelling. Crepitation is felt by pressing gently and alternately with the points of the fingers over the fractured part.