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Joseph D. Marco
Thomas L. Orszulak
Hendrick B. Barner
George C. Kaiser
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Ann Thorac Surg 1976;21:519-523
© 1976 The Society of Thoracic Surgeons

Articles

In Favor of the Y-Graft for Aortocoronary Bypass

Joseph D. Marco, M.D.*, Thomas L. Orszulak, M.D., Hendrick B. Barner, M.D., George C. Kaiser, M.D.

Department of Surgery, Saint Louis University School of Medicine, St Louis, MO

Accepted for publication September 3, 1975.

* Address reprint requests to Dr. Marco, Department of Surgery, 1325 S Grand Blvd, St Louis, MO 63104

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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T. J. Yeh, D. Heidary, and L. Shelton
Y-Grafts and Sequential Grafts in Coronary Bypass Surgery: A Critical Evaluation of Patency Rates
Ann. Thorac. Surg., May 1, 1979; 27(5): 409 - 412.
[Abstract] [PDF]


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Copyright © 1976 by The Society of Thoracic Surgeons.