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The Annals of Thoracic Surgery, Vol 21, 519-523, Copyright © 1976 by The Society of Thoracic Surgeons

ARTICLES

In favor of the Y-graft for aortocoronary bypass

JD Marco, TL Orszulak, HB Barner and GC Kaiser

The technique of multiple coronary artery bypass grafting has included separate conduits, snake grafts, and Y-grafts. Against the Y-graft have been reports of lesser patency and several theoretical objections. The theory is discussed and a laboratory model presented which demonstrates a flow difference of 2 ml/5 sec or less between Y-grafts and single grafts. In conjunction with this, 171 patients having aortocoronary bypass were analyzed and showed a combined one-year graft patency of 77% with no significant difference between single grafts and Y-grafts. It is concluded that the technical simplicity of Y-grafts is advantageous and that, if the operation is performed within the guidelines set forth, revascularization with Y-grafts is an acceptable method.




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Copyright © 1976 by The Society of Thoracic Surgeons.