Proximal circumflex coronary artery in the atrioventricular groove usually has large diameters. Arterial diameters in this region vary from 2.5 to 5 mm. Revascularization of this part of the circumflex artery allows good distal anastomosis configuration and better long-term patency rate.
Keywords: Atrioventricular groove; circumflex artery; coronary artery bypass grafting; graft patency rate..
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