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2014年贵阳地区无偿献血者血液酶联免疫及核酸检测情况及分析 被引量:3

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摘要 目的分析贵阳地区无偿献血酶联免疫吸附测定(ELISA)、核酸检测情况,评价两种方法在血液筛查中的应用效果。方法对2014年贵阳地区献血者标本共计77971例同时进行ELISA、核酸检测,分别对HBV、HCV、HIV 3项的检测结果进行统计分析。结果在检测的77971例标本中,HBs Ag、抗-HCV、抗-HIV阳性率分别为0.70%、0.24%、0.34%,NAT联检(HBV/HCV/HIV-1)阳性率为0.65%,HBV DNA、HCV RNA、HIV-1 RNA的阳性率分别为0.40%、0.03%、0.05%。ELISA阳性标本中,有546例标本HBs Ag阳性,但其NAT联检阳性和鉴别阳性分别仅为385例(70.5%)和274例(50.2%)。抗-HCV、抗-HIV阳性的标本的NAT联检阳性和鉴别阳性率则分别为22例(11.8%)和37例(13.9%)。506例NAT联检阳性标本中,有368例标本可有效进行病毒核酸种类的鉴别,可鉴别率为72.7%。结论 NAT检测在避免HBV窗口期和隐匿性乙型肝炎病毒感染等输血残余风险起重要作用,ELISA检测HCV和HIV的假阳性较高,ELISA和NAT两种方法均存在一定的局限性。
机构地区 贵州省血液中心
出处 《医疗装备》 2016年第18期62-63,共2页 Medical Equipment
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