Coronary artery bypass grafting in patients 70 years of age and older Early and late results

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Abstract
Ninety-four patients 70 years of age and older underwent coronary arterybypass grafting (CABG) between 1979 and 1985. Thirty-two percent werefemales. An internal mammary artery was used in 49% and concomitant cardiacprocedures were performed in 51% of the operations. Early mortality was12%. Five of 11 early deaths were from non-cardiac causes: ascending aorticdisease (2), cerebral damage (2) and septicaemia (1). Postoperativemorbidity included neurological complications in 16%, reoperation forbleeding in 12%, mediastinitis or sternal dehiscence in 4% andperioperative acute myocardial infarction in 4%. At follow-up, a median of2.5 years after surgery, 83% were completely free from angina, 5% muchimproved, 9% improved and 3% had unchanged symptoms of angina. Actuarialsurvival, inclusive of early mortality, was 84% at 3 years. Female sex andconcomitant cardiac surgery were common in elderly patients who had CABG.Early mortality from noncardiac causes and postoperative morbidity wereincreased but dramatic relief of symptoms was achieved in the majority ofsurvivors.

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