百科词条:水痘病毒特异性抗体(ELISA法) (最后修订于2009/1/22 18:08:16)[共337字]
摘要:别名ELISA法正常值>1.5。化验结果意义P/N值≥2.1为阳性(+),1.5≥P/N≤2.1为可疑阳性(±)。ELISA法测定水痘病毒抗体对确定诊断有重大意义。敏感性强,特异性高,通常在急性感染后48h内即可从患者血清中检出水痘或带状皰疹病毒的抗体,不失为一种特异敏感的早期诊断方法,但要注意:(1)在注射V-2免疫球蛋白后的8周内,可测出血清中的被动获得性抗体,这时阳性结果不代表V-2感染;(2)在收集血标本前8周内,曾输血或注射过血制品的患者有可能出现难以解释的假阳性;(3)应该注意皰疹病毒的异源性反应。化验取材血液化验方法病毒性传染病免疫学检测化验类别一传染病免疫学检查化验类别二病毒性传染病免疫学检测参考资料《新编临床检验与检查手册》、《新编化验员工作手册》......
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