In this study, factors leading to the failure of internal mammary artery grafting was investigated among patients with coronary bypass. In all, 1323 patients were evaluated. It was found that lower grade diameter stenosis in the native vessel during postoperative angiogram and wall motion score index independently affected the fate of internal mammary artery as a graft. Grafting with internal mammary artery to native vessels with lower grade stenosis and to myocardium with poor wall score might not be a rational approach.

译文

:在这项研究中,对导致冠状动脉搭桥术的患者进行了导致乳内动脉移植失败的因素进行了研究。总共评估了1323例患者。发现在术后血管造影和壁运动评分指数期间,天然血管中较低等级的直径狭窄独立地影响了作为植入物的乳内动脉的命运。用乳腺内动脉移植到狭窄程度较低的天然血管和壁评分较差的心肌可能不是一种合理的方法。

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