Hepatol Res:在HBeAg阳性母亲中,病毒载量是母婴传播风险的一个重要危险因素

2018-02-26 MedSci MedSci原创

研究分析表明,母亲病毒载量是MTCT发生的一个重要危险因素;母亲病毒载量与HBV MTCT发病率呈剂量依赖性。

研究目的:本研究的目的是在HBe-Ag阳性的患者中,分析母亲病毒载量和母婴传播(MTCT)风险间的关系。

研究方法:本研究对PubMed和Web of Science进行了系统的搜索,比较了乙肝病毒(HBV) DNA阳性母亲和乙肝病毒(HBV) DNA阴性母亲间的母婴传播风险发生率。同时,研究也对母亲病毒载量和母婴传播风险间剂量效应进行了分析。

研究结果:本研究共纳入21项研究,包括10142例配对的母婴。HBV DNA阳性母亲MTCT发生率为13.1%,HBV DNA阴性母亲MTCT发生率为4.2%。采用随机效应模型进行分析,相比HBV DNA阴性母亲,HBV DNA阳性母亲的MTCT比值比为9.895 (95% CI 5.333 to 18.359; Z=7.27, P<0.00001)。母亲血清HBV DNA病毒载量<6 log10 copies/ml、处于6-8 log10 copies/ml和>8 log10 copies/ml时,MTCT发生率分别为2.754% (95% CI 1.198% to 4.310%; Z=3.47, P=0.001), 9.932% (95% CI 6.349% to 13.516%; Z=5.43, P<0.00001)和14.445% (95% CI 8.317% to 20.572%; Z=4.62, P<0.00001)。研究发现,母性病毒载量和MTCT风险之间存在一个显著的线性剂量关联;与参考水平(3个log10拷贝/ml)相比,病毒载量处于6 log10 copies/ml时,MTCT风险增加了2.705 (95% CI: 1.808-4.047),病毒载量在9 log10拷贝/ml时,MTCT风险增加了7.316 (95% CI: 3.268-16.378)。在母性病毒载量与HBV MTCT风险之间也存在显著的非线性剂量关联(模型chi(2) =23.43, P<0.00001)。

研究结论:研究分析表明,母亲病毒载量是MTCT发生的一个重要危险因素;母亲病毒载量与HBV MTCT发病率呈剂量依赖性。

原始出处

Chen HL, Zha ML, Cai JY, et al. Maternal viral load and hepatitis B virus mother-to-child transmission risk: a systematic review and meta-analysis.Hepatol Res, 2018, Feb 23. doi: 10.1111/hepr.13072.

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    2018-02-28 xiaoshitou
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    2018-02-28 gwc384
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    2018-02-28 zhouqu_8
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    2018-02-26 1e1b8538m79(暂无匿称)

    不错的文章值得拥有

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