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Bilateral internal-mammary-artery ligation may relieve angina; leaves open whether benefits exceed sham effects in controlled trials.
EMPHASIS upon the increasing morbidity and mortality associated with coronary-artery disease has led to the proposal of several procedures designed to effect myocardial revascularization. Two technics for this purpose that have attracted wide attention are those advocated by Beck1 and Vineberg and Walker.2 The simplest and most recent surgical procedure that has been suggested as a means of increasing the blood supply to the myocardium is that of bilateral internal-mammary-artery ligation. This operation originated in Italy. Results in 18 cases were reported in 1956 by De Marchi, Battezzati and Tagliaferro.3 An evaluation of this particular technic, from both the experimental . . .
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Fish et al. (1958) studied this question.
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