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目的 PCI术治疗和药物治疗前后两者心功能改善率相比探讨急性心肌梗死PCI术治疗对左心功能的影响。方法同期40例AMI患者,行择期PCI组20例,保守治疗组20例,对比观察对左室射血分数(LVEF)、左室收缩末容量(LVESV)、舒张末容量(LVEDV)、室壁节段运动积分指数(WMSI)的影响。结果 AMI患者择期PCI与药物保守组对比择期PCI患者LVEF明显增加,LVESV、LVEPV及室壁节段运动积分指数明显下降,成功实现血运重建能防止左心室进行性扩大,改善左心功能。结论急性心梗(AMI)后早期开通梗死相关动脉对挽救濒死心肌,缩小梗死面积在AMI治疗中至关重要。
Objective To compare the improvement of cardiac function between PCI and before and after PCI. To investigate the effect of PCI on left ventricular function in patients with acute myocardial infarction. Methods Forty patients with AMI during the same period were enrolled in this study. Twenty patients underwent selective PCI and 20 received conservative treatment. The changes of left ventricular ejection fraction (LVEF), left ventricular end-systolic volume (LVESV), end-diastolic volume (LVEDV) Impact of segment motor score (WMSI). Results In patients with AMI, the LVEF of elective PCI patients and elective PCI patients were significantly increased, and LVESV, LVEPV and wall motion index scores were significantly decreased. Successful revascularization could prevent the left ventricular enlargement and improve left ventricular function. Conclusions It is very important to open the infarct-related artery in the early stage of acute myocardial infarction (AMI) to rescue the dying myocardium and reduce the infarct size.