Umbilical Vein for Aortocoronary Bypass

Silver, Gary M.; Katske, Gordon E.; Stutzman, F. L.; Wood, Newell E.
July 1982
Angiology;Jul1982, Vol. 33 Issue 7, p450
Academic Journal
The article presents information on the umbilical vein for aortocoronary bypass. With the increased volume of coronary artery bypass surgery, it is not unusual for surgeons to encounter patients who lack satisfactory saphenous veins for use in the aortocoronary position. Twenty-two aortocoronary umbilical vein bypasses have been performed on 11 patients. Three patients received no other grafts. Eight patients had additional grafts, 6 with the internal mammeury artery, 1 with the saphenous vein, and 1 with the internal mammary artery and saphenous vein. The internal elastic lamina surrounded by a layer of smooth muscle represents the intima of the umbilical vein biograft. The internal elastic lamina has been shown to have superb surface characteristics and blood compatability. However, this intima has a tendency to dissect easily.


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