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[Remote results of the surgical and conservative treatment of ischemic heart disease patients with a lesion of the left coronary artery trunk].

A study was made of the results of surgery of 37 patients and conservative therapy of 90 patients (including 53 inoperable cases) with coronary heart disease with the involvement of the left main coronary artery. Lethality in a long-term period was 16.2% in the operated patients and 45.6% in the inoperable patients. A considerable improvement of the status with the lessening or disappearance of angina attacks was noted in 27 operated patients (87%), a stable improvement of ECG at rest and a considerable increase in exercise tolerance were noted in 11 patients. There was no considerable improvement of the status in the inoperable patients, a slight decrease in the number of attacks was noted in 22% of the patients only, impairment of ECG at rest was noted in 52%, exercise tolerance decreased in most of the patients. In the operated patients the 7-year survival rates according to actuarial curves were 81%, in the operable but receiving conservative therapy 47% and in the inoperable patients 34%.