Effects of Coronary-Artery Bypass Grafting on Survival

Abstract

IN 1977 the Journal published the results of the Veterans Administration randomized trial of coronary-artery bypass grafting (CABG).¹ In an accompanying editorial² I stated: "This report confirms the widely held impression that CABG reduces the incidence and severity of angina, but finds no difference in the survival of almost 600 patients with chronic stable angina (excluding those with obstructive disease of the left main coronary artery) randomized into medically and surgically treated groups. . . ." Concern was also expressed about the steeply rising frequency with which the procedure was being performed (approximately 70,000 in 1977) and that despite the . . .