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一、心肌炎与病毒免疫 心肌炎最常见的原因是病毒感染,虽然细菌、立克次体、原虫及其它因素也可致病。流行病学证明2～5％感染病毒者会累及心脏。其中肠道病毒(包括柯萨奇病毒、ECHO病毒以及脊髓灰质炎病毒)是心肌炎的主要病原微生物。柯萨奇病毒分A、B两组,A组又分24型,B组分6型。人类心肌炎以B组柯萨奇病毒(以下简称CB)最常见。当CB流行时,12％受感染者可出现急性心肌炎。此外,腺病毒、疱疹病毒、巨细胞病毒、肝炎病毒、流感病毒及腮腺炎病毒也可引起心肌炎. 出生6个月后对心肌炎的易感性明显下降,至
First, myocarditis and virus immune myocarditis is the most common cause of viral infection, although bacteria, rickettsia, protozoa and other factors can also cause disease. Epidemiological evidence that 2 to 5% of the virus infection will affect the heart. Among them enterovirus (including Coxsackie virus, ECHO virus and polio virus) is the main pathogenic microorganism of myocarditis. Coxsackievirus A, B two groups, A group is divided into 24, B component 6 type. Human myocarditis to Coxsackievirus B (hereinafter referred to as CB) the most common. When CB was prevalent, 12% of those infected showed acute myocarditis. In addition, adenovirus, herpes virus, cytomegalovirus, hepatitis virus, influenza virus and mumps virus can also cause myocarditis.After 6 months of birth, the susceptibility to myocarditis is obviously decreased to