A manual of modern surgery : an exposition of the accepted doctrines and approved operative procedures of the present time, for the use of students and practitioners . uld be selected. This rule should ANEURISM. be followed in ligating after any form of compression has been pre-viously employed. The rules for employing compression may be formulated as follows :Use it: 1. In small aneurisms of recent development and when the successof subsequent ligation is not imperilled by its use. 2. When ligation is especially dangerous, as it is in the aged, dur-ing epidemics of erysipelas and in cert
A manual of modern surgery : an exposition of the accepted doctrines and approved operative procedures of the present time, for the use of students and practitioners . uld be selected. This rule should ANEURISM. be followed in ligating after any form of compression has been pre-viously employed. The rules for employing compression may be formulated as follows :Use it: 1. In small aneurisms of recent development and when the successof subsequent ligation is not imperilled by its use. 2. When ligation is especially dangerous, as it is in the aged, dur-ing epidemics of erysipelas and in certain locations of the body. Under the improved methods of modern aseptic surgery it is-probable that ligation is as safe as, and at the same time more con-venient and sure than, compression. The method of ligation to whichthe name of Hunter has been attached is here meant. Ligation.—Arterial ligation for the cure of aneurism has been prac-ticed in four ways, of which two are practically valueless. Of the two re-maining methods one is always preferred, except when the proximity ofthe aneurism to the heart renders its performance exceedingly dangerous. Fig. Anastomosis around ligature, giv-ing feeble current through sac. Anastomosis around sac,feeble current. giving Strong current from neighborgnilarge trunk. Diagram of anastomosis after Hunterian method of treating aneurism. This method is called the Hunterian method. It consists in applyinga ligature to the artery between the aneurism and the heart and at sucha distance from the former as will insure the existence of a small branchleaving the artery between the ligature and the aneurismal ligature on being tied arrests at once the current in the mainartery and would entirely stop the blood flow through the aneurismalsac, if the small branch mentioned did not exist. This small branch, 300 DISEASES AND INJURIES OF THE BLOOD VESSELS. which has an anastomosis with branches given off from the main ves-sel above the
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