• T Tashiro, K Todo, Y Haruta, H Yasunaga, and Y Tachikawa.
• Department of Cardiovascular Surgery, Fukuoka University School of Medicine, Jyounanku, Fukuoka, Japan.
• Cardiovasc Surg. 1996 Apr 1; 4 (2): 207-11.

AbstractBetween 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 > or = 70 years, poor left ventricular function, left main coronary artery stenosis, chronic renal failure, and aortic aneurysm. Distal anastomoses were made under temporary interruption of coronary flow. A total of 37 distal anastomoses to the left anterior descending coronary artery and/or right coronary artery (mean 1.6 per patient) were made, 24 of which were internal thoracic arteries. The coronary occlusion time ranged from 7-14 min (mean 9.8 min). Combined cardiac or vascular operations were carried out in six patients (abdominal aortic aneurysm repair, thoracic aortic aneurysm repair, carotid endarterectomy, and coronary endarterectomy). There was one hospital death. Postoperative angiography was performed in 22 patients and showed a patency rate of 89%. In summary, coronary artery bypass grafting without cardiopulmonary bypass may improve the postoperative outcome of high-risk patients.

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