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本研究观察卡维地洛预防冠心病 (CHD)患者经皮冠状动脉介入治疗(PCI)术后再狭窄的临床效果。一、资料与方法1 研究对象:按随机原则将入选者分为研究组和对照组。排除PCI失败者、适合冠状动脉旁路移植术者、对卡维地洛禁忌者、随访资料不完整者和未能坚持服药者。2 治疗方法
This study was designed to investigate the clinical effect of carvedilol in the prevention of restenosis after percutaneous coronary intervention (PCI) in patients with coronary heart disease (CHD). First, the data and methods 1 research object: according to the random principle will be divided into the study group and the control group. Exclude PCI failure, suitable for coronary artery bypass grafting, taboo on carvedilol, follow-up information is not complete and did not adhere to medication. 2 treatment