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应用经皮穿刺导管法对24例心脏病患者进行心内膜心肌活检术(23例右心活检,1例左心活检),未发生并发症。对临床诊断为心肌病变的18例行光镜及电镜检查,除1例为甲状腺功能亢进性心肌病外,均符合扩张型心肌病的临床诊断,其组织学及超微结构的改变也见于心内直视手术(先天性心脏病及风湿性瓣膜病等)所取的心肌组织,均为非特异性改变。
Endocardial myocardial biopsy (23 right heart biopsy, 1 left heart biopsy) was performed on 24 patients with heart disease by percutaneous catheterization without complication. Of the 18 patients with clinically diagnosed cardiomyopathy underwent light microscopy and electron microscopy, in addition to a case of hyperthyroid cardiomyopathy, are in line with the clinical diagnosis of dilated cardiomyopathy, histological and ultrastructural changes are found in the heart Intracardiac surgery (congenital heart disease and rheumatic valvular disease, etc.) taken from the myocardial tissue, are non-specific changes.