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Related to Marginal artery: Middle colic artery, Right colic artery
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In one case, the artery was just proximal to the origin of right marginal artery.
An in-situ right IMA can be used by anastomosing it with the left anterior descending coronary artery (LAD) and its diagonal branch along the front of the ascending aorta or to the obtuse marginal artery through the transverse sinus.
Preoperative evaluation revealed a history of diabetes mellitus, heavy smoking and coronary artery bypass grafting four years ago, including an in situ LIMA graft to LAD coronary artery and a saphenous vein graft from the aorta to the obtuse marginal artery.
Between January 2005 and November 2005, within 11-month period, 135 patients (between 45 and 55 years of age) undergoing elective primary coronary artery bypass surgery (CABG) for multivessel coronary artery disease including a diagonal artery or a proximal obtuse marginal artery as target vessels for RITA grafting were included in this prospective clinical randomized study.
There seemed to be anastomosis between the right terminal branches of the AIV and ventricular branches of the first segment of RCA including the acute marginal artery.