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European Journal of Cardio-Thoracic Surgery, Vol 8, 43-45, Copyright © 1994 by European Association for Cardio-thoracic Surgery

ARTICLES

The use of bovine internal mammary artery (Bioflow) grafts in coronary artery surgery

SR Craig and WS Walker
Department of Cardiothoracic Surgery, Royal Infirmary of Edinburgh, Scotland, UK.

Over a 3-year period 17 patients underwent a total of 25 coronary artery bypass grafts utilising bovine internal mammary artery [BIOFLOW]. Three patients died in the peri-operative or early post- operative period allowing detailed information to be gathered on 14 patients. Seven patients who had had a total of 11 Bioflow grafts implanted underwent post-operative coronary angiography at a mean time of 19 months after surgery revealing occlusion in all the Bioflow grafts. Two patients who underwent aortic valve replacement combined with single Bioflow grafts were symptom-free and refused re-study. Two patients who had three coronary grafts each, including single Bioflow grafts, refused re-study though one of them had recurrent anginal symptoms. Two patients, one with recurrent anginal symptoms, who had a total of four Bioflow grafts were considered unfit for restudy on medical (non-cardiac) grounds. One patient with two Bioflow grafts and recurrent symptoms refused long-term follow-up. Despite reports of good early patency rates with the Bioflow graft, we have not found this to be the case even when patients were anticoagulated post-operatively. We do not recommend the use of this graft as early occlusion is to be expected, which may result in an early return of anginal symptoms.

This article has been cited by other articles:

				P. M. Dohmen, D. Gabbieri, A. Lembcke, and W. Konertz Endothelial Cell-Seeded Bovine Internal Mammary Artery for Complete Revascularization Ann. Thorac. Surg., March 1, 2007; 83(3): 1168 - 1169. [Abstract] [Full Text] [PDF]