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为探讨心肌显像对扩张型心肌病（DCM）的诊断价值，对34例DCM患者和14例以心衰为突出表现的其它心脏增大患者进行99mTc－MIBI心肌灌注断层显像。34例DCM患者表现左室重度扩大者32例（占94％），其中72％（23／32）同时伴有不同程度的右室扩大，心肌出现多节段花斑样改变者占85％；6例缺血性，C肌病（ICM）患者主要表现为轻度和中度的左室扩大；以二尖瓣狭窄为主的风湿性心脏病（RHD）患者主要表现为右室扩大。提示该显像技术可用于DCM的诊断及鉴别诊断。
To investigate the diagnostic value of myocardial imaging in patients with dilated cardiomyopathy (DCM), 99mTc-MIBI myocardial perfusion imaging was performed in 34 patients with DCM and 14 patients with other cardiac enlargements that were characterized by heart failure. In 34 patients with DCM, 32 patients (94%) had severe left ventricular enlargement, of which 72% (23/32) accompanied with varying degrees of right ventricular enlargement and 85% of patients with multifragmentary plaque. 6 cases of ischemic, C myopathy (ICM) patients showed mainly mild and moderate left ventricular enlargement; mitral stenosis mainly rheumatic heart disease (RHD) patients mainly manifested as right ventricular enlargement. Tip This imaging technique can be used for the diagnosis and differential diagnosis of DCM.