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目的:研究彩色多普勒超声心动图对缺血性心肌病(ICM)与扩张型心肌病(DCM)的鉴别诊断。方法:对经临床确诊的扩张型心肌病80例、缺血性心肌病65例的超声心动图资料进行对比分析。结果:DCM的多个房室腔扩大,室壁变薄及弥漫性运动减低,多瓣膜返流且程度高,收缩功能降低明显,舒张功能可正常。结论:ICM以左心室增大为主,室壁运动减低呈阶段性,常伴有室间隔增厚,单组瓣膜返流且程度轻,左室舒张功能障碍。
Objective: To study the differential diagnosis of ischemic cardiomyopathy (ICM) and dilated cardiomyopathy (DCM) by color Doppler echocardiography. Methods: Echocardiographic data of 80 clinically diagnosed dilated cardiomyopathy patients and 65 ischemic cardiomyopathy patients were compared. Results: Multiple atrioventricular dilatation of DCM, wall thinning and diffuse motion reduction, multi-valve regurgitation and a high degree of significant reduction of systolic function, diastolic function can be normal. Conclusion: ICM is mainly caused by left ventricular enlargement. The decrease of ventricular wall motion is staged. It often accompanied by ventricular septal thickening, single valve regurgitation and light degree, left ventricular diastolic dysfunction.