目的：探讨抗A组溶血性链球菌壁多糖抗体（ASP）在风湿性心瓣膜炎中的意义及诊断价值。

Objective: To evaluate the significance of the antibody to group A streptococcal polysaccharide(ASP) in the diagnosis of rheumatic valvulitis.

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结果：儿童感染性心内膜炎基础病因主要是先天性心脏病35例（67.3%），其次为风湿性心瓣膜病10例（19.2%），无基础心脏病7例（13.5%）。

Results: The underlying diseases included the congenital heart diseases in 35 patients(67.3%), rheumatic heart diseases in 10(19.2%) and no underlying diseases in 7(13.5%).

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