闽南地区无偿献血者隐匿性乙型肝炎病毒感染研究

被引:22
作者
欧山海
林永财
倪宏英
张永昌
周海容
陈长荣
机构
[1] 厦门市中心血站
关键词
乙型肝炎病毒,隐匿性感染(OBI); 巢式-PCR; 抗-HBc; 核酸检测; 无偿献血者; 闽南;
D O I
10.13303/j.cjbt.issn.1004-549x.2010.12.010
中图分类号
R446.62 [免疫物质测定];
学科分类号
100208 [临床检验诊断学];
摘要
目的研究闽南地区无偿献血者中隐匿性乙型肝炎病毒感染(OBI)情况,探讨现有输血传播乙肝病毒(HBV)的检测方法的有效性。方法依据多种与HBV相关血清学指标的检测情况对献血者标本进行HBV携带风险评价分级,对较高携带风险的标本做单份多区段巢式-PCR检测其HBV DNA,对低携带风险的标本做10份混合的巢式-PCR检测。采用这一方案,对闽南地区19 360例HBsAg阴性的无偿献血者标本做检测分析。结果闽南地区HBsAg阴性献血者中的HBV DNA阳性检出率为0.21%(40/19 360,95%CI:0.15%—0.28%),属于OBI;其中抗-HBc阳性检出率85%(34/40),但阳性预测值仅为3.4%(34/995,95%CI:2.4%—4.7%);HBV NRAg阳性预测值30%(6/20),但灵敏度为15%(6/40)。结论现有筛查体系下无偿献血者中仍存在一定比例的OBI,需要寻求更为有效的检测方法。
引用
收藏
页码:1033 / 1037
页数:5
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