目的探讨非体外循环冠状动脉旁路移植术(OPCAB)对老年冠心病患者冠状动脉支架再狭窄的治疗经验。
Objective To explore the experience about off-pump coronary artery bypass grafting (OPCAB) for the treatment of in-stent restenosis in coronary disease.
背景与目的：冠状动脉侧支循环形成是冠状动脉闭塞疾病患者的一个重要适应机制。
Background and Objective: Development of coronary collateral circulation is an important adaptive mechanism occurring in patients with occlusive coronary artery disease.
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。
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.
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