Objective To analyse the efficacy of 99 cases underwent off-pump coronary artery bypass grafting (OPACB) and 87 cases common coronary artery bypass grafting (CCABG).

目的对比分析99例非体外循环下冠状动脉搭桥术(OPCAB)和87例常规体外循环下冠状动脉搭桥术(CCABG)的疗效。

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Objective: To compare the grafts' patency rate after off-pump coronary artery bypass grafting (OPCABG) and conventional coronary artery bypass grafting (CCABG) at 3 ~ 4 years follow-up.

目的：比较非体外循环下冠状动脉旁路移植术(OPCABG)与常规冠状动脉旁路移植术(CCABG)术后3 ~ 4年时血管桥的通畅率。

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Objective: To compare the grafts' patency rate after off-pump coronary artery bypass grafting (OPCABG) and conventional coronary artery bypass grafting (CCABG) at 3 ~ 4 years follow-up.

目的：比较非体外循环下冠状动脉旁路移植术(OPCABG)与常规冠状动脉旁路移植术(CCABG)术后3 ~ 4年时血管桥的通畅率。

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