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目的探讨由无症状心肌缺血进展为缺血性心肌病的诊治方法.方法分析1例无心绞痛左冠状动脉闭塞病变误诊为扩张型心肌病的病例.结果1例无心绞痛左冠状动脉闭塞病变患者经皮冠状动脉介入治疗后症状消失、好转出院.结论经皮冠状动脉介入治疗无症状心肌缺血进展而来的缺血性心肌病效果良好.“,”Objective To study the diagnosis and treatment of ischemic myocardiopathy due to asymptomatic myocardial ischemia. Methods Left coronary artery occlusion without angina pectoris misdiagnosed as dilated cardiomyopathy was analyzed in 1 case. Results The symptoms of the patient were improved after percutaneous coronary intervention and discharged from hospital. Conclusion The effect of percutaneous coronary intervention is good for myocardiopathy due to asymptomatic myocardial ischemia.