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对13年收治入院的155例感染性心内膜炎患者进行临床分析，将院内获得性感染性心内膜炎（院内IE），和同期院外获得性感染性心内膜炎（院外IE）比较，结果为前者发病年龄大，充血性心力衰竭发生率和死亡率高；心脏手术是院内IE的主要感染途径；院内IE以表皮葡萄球菌感染为主，院外IE以草绿色链球菌感染为主。
Clinical analysis of 155 patients with infective endocarditis admitted to hospital over 13 years was performed to compare hospital acquired infective endocarditis (hospital IE) with hospital acquired infective endocarditis (hospital out-patient IE) , The results of the former age of onset, high incidence of congestive heart failure and high mortality; heart surgery is the main route of IE hospital infection; IE hospital Staphylococcus epidermidis infection, hospital outbreak of Streptococcus viridans dominated.