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Between January 1991 and June 1993, coronary artery bypass grafting was performed without either cardiopulmonary bypass or cardiac arrest in 23 patients. Most patients had several surgical risk factors, including age 70 years, poor left ventricular function, left main coronary artery stenosis, chronic renal failure, and aortic aneurysm. Distal anastomoses were made under temporary interruption...
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