目的探讨冠状动脉内支架再狭窄的相关因素。

Objective To investigate the predictors of in stent restenosis in coronary artery.

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目的：用置入过大直径冠状动脉内支架的方法，在正常小型猪建立模拟人类冠状动脉再狭窄的实验动物模型。

Objective:To develop an experimental animal model that accurately mimics human coronary restenosis in normal mini swine by implantation of oversized intracoronary stent.

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目的研究切割球囊成形术（CBA）治疗高龄患者弥漫性冠状动脉（冠脉）支架内再狭窄（ISR）的安全性与疗效。

Objective To evaluate the safety and efficacy of cutting balloon angioplasty (CBA) for diffuse in-stent restenosis (ISR) in elderly patients.

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