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婴幼儿下呼吸道感染病毒病原诊断方法比较 被引量:2

ELISA compared with direct immuno-fluorescence assay in pathogenic diagnosis of infant lower respiratory tract infection
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摘要 目的用酶联免疫法(ELISA)和直接荧光免疫法(DFA)对呼吸道7种病毒进行检测,比较两种方法对临床诊断、治疗的价值。方法对2007年2月-2008年12月因急性下呼吸道感染住院的患儿2221例,分别采集静脉血和鼻咽分泌物送检,用ELISA法检测血清7种病毒的IgM抗体,DFA法检测7种病毒的抗原。结果2221例患儿中用两种方法共检测出557例阳性病例,其中DFA555例阳性,ELISA法244例阳性,DFA和ELISA同时阳性229例;DFA阳性ELISA阴性326例,DFA阴性ELISA阳性15例;DFA和ELISA同时阴性1651例,DFA和ELISA的敏感性分别为99.5%、46.0%,特异性分别为100%、99%。结论ELISA法对呼吸道病毒感染的检测比DFA敏感性差。
出处 《临床儿科杂志》 CAS CSCD 北大核心 2009年第5期462-463,共2页 Journal of Clinical Pediatrics
关键词 酶联免疫分析 直接免疫荧光法 呼吸道病毒 鼻咽分泌物 婴幼儿 enzyme-linked immunosorbent assay direct immuno-fluorescent antibody respiratory viruses nasopharyngeal secretions infant
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