目的描述经皮冠状动脉成形术(PTCA)及冠脉内支架置入后患者生活质量的现状并调查影响患者生活质量的因素，以有助于健康服务者指导患者提高生活质量。

Objective to study the current status of life quality of patients after PTCA and stent implantation and its influence factors, in order to guide these patients for better life quality.

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目的观察急性冠脉综合症（ACS）病人经皮冠状动脉成形术（PTCA）和（或）支架置入术的安全性和有效性。

ObjectiveTo evaluate the efficiency and safety of percutaneous trans luninal coronary angioplasty(PTCA)in acute coronary artery syndrome(ACS).

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目的总结经皮腔内冠状动脉成形术（P TCA）及支架置入术治疗急性心肌梗死的结果和经验。

Objective To discuss the effect and experience in treating acute myocardial infarction by PTCA and stent implantation.

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