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本组对70例单纯心律失常患者进行了心内膜心肌活检,通过光镜、组织化学、免疫学和电镜检查,提出了心肌炎的病理诊断标准。结果:光镜可以直接诊断占62.85％,对诊断有帮助占21.4％。临床、光镜、电镜综合诊断为92.86％,包括:急性心肌炎30例,慢性心肌炎12例,炎性心肌病10例,心肌炎后遗症6例,心内膜弹力纤维增生症和“脂肪心”各2例,肥厚型心肌病、扩张型心肌病和高心病各1例,5例正常。我们认为青壮年患单纯性心律失常者,多数是器质性的,82.86％发生在心肌炎组,最大可能是心脏感染所致。
This group of 70 patients with simple cardiac arrhythmia endocardial myocardial biopsy, by light microscopy, histochemistry, immunology and electron microscopy, put forward the pathological diagnosis of myocarditis criteria. Results: Light microscopy can be directly diagnosed 62.85%, diagnosed with help accounted for 21.4%. Clinical, light and electron microscopy were 92.86%, including 30 cases of acute myocarditis, 12 cases of chronic myocarditis, 10 cases of inflammatory cardiomyopathy, 6 cases of myocarditis sequelae, 2 cases of endocardial fibroelastosis and 2 cases of “fatty heart” Cases, hypertrophic cardiomyopathy, dilated cardiomyopathy and high heart disease in 1 case, 5 cases were normal. We believe that young adults suffering from simpler arrhythmia, most are organic, 82.86% occurred in myocarditis group, the maximum may be caused by heart infection.