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Ann Thorac Surg 1979;27:225-229
© 1979 The Society of Thoracic Surgeons

Articles

Five-Year Follow-up of Patients Undergoing Coronary Artery Bypass

Malcolm Arnold, M.D., Suchint Wathanacharoen, M.D., William A. Reed, M.D., Duncan A. Killen, M.D.*, James Crockett, M.D., J. Tenbrook King, M.D., Ben D. McCallister, M.D., Hubert Bell, M.D.

From the Thoracic Surgical and Cardiovascular Services, St. Luke's Hospital, Kansas City, MO

Accepted for publication July 12, 1978.

* Address reprint requests to Dr. Killen, 4320 Wornall, Suite 510, Kansas City, MO 64111

Two hundred eighty-two patients who underwent coronary artery bypass operation between January, 1971, and July, 1972, were followed until the time of death or for 5 years after operation. The angina-free status progressively decreased during the period of follow-up but at 5 years 57% of the survivors were free from angina. The total (early and late) incidence of nonfatal myocardial infarction was 3.3 per 100 patient years of follow-up. Nine (3.2%) of the patients had a repeat coronary artery bypass operation within the first 5 postoperative years.

The overall 5-year survival was 86.9%. The expected 5-year survival of the general population, matched by sex and age, is 90.7%. Five-year survival was 97% for single-vessel disease, 87% for double-vessel disease, and 85% for triple-vessel disease.






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