Key points are not available for this paper at this time.
An excellent report by Loop et al.1 in this issue of the Journal indicates that longevity is increased when the internal mammary artery rather than the saphenous vein is used in bypass grafts. Evaluating the importance of these data provides an excellent opportunity to review both the background and the future of the mammary artery in coronary bypass operations.Use of the internal mammary artery for coronary artery disease has had a long and checkered history. The Vineberg operation — implantation of the left internal mammary artery into a tunnel of left ventricular muscle (developed around 1950) — first demonstrated . . .
Frank C. Spencer (1986) studied this question.