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Dig Dis Sci:荟萃分析提示乙肝孕妇注射HBIG或接受抗病毒治疗可有效预防母婴传播

2013-11-21 陈郁婷 丁香园

据世界卫生组织统计,血清学证据显示在世界范围内有超过20亿人为乙型肝炎病毒(HBV)感染患者或曾经感染过HBV。其中有近4亿为慢性HBV携带者,这部分人群对公共卫生存在了重大威胁,在发展中国家尤为如此。而在中国,母婴传播(MTCT)是HBV传播的主要形式。 基于上述情况,来自我国重庆医科大学附属第二医院的徐华等人通过一项荟萃分析(meta-analysis),比较了三种措施对MTCT的预防作用,

据世界卫生组织统计,血清学证据显示在世界范围内有超过20亿人为乙型肝炎病毒(HBV)感染患者或曾经感染过HBV。其中有近4亿为慢性HBV携带者,这部分人群对公共卫生存在了重大威胁,在发展中国家尤为如此。而在中国,母婴传播(MTCT)是HBV传播的主要形式。

基于上述情况,来自我国重庆医科大学附属第二医院的徐华等人通过一项荟萃分析(meta-analysis),比较了三种措施对MTCT的预防作用,研究结果在线发表于2013年11月6日的《消化疾病和科学》(Digestive Diseases and Sciences)杂志上。他们发现,携带HBV的母亲在怀孕期间注射乙型肝炎免疫球蛋白(HBIG)或接受抗病毒治疗可有效降低MTCT。【原文下载

研究人员对几项随机对照试验和非随机对照研究进行了荟萃分析,对比五类孕妇发生MTCT的指数,分别是注射乙型肝炎免疫球蛋白(HBIG)、接受抗病毒治疗、接受安慰剂治疗、择期剖宫产和阴道分娩这五类孕妇。

研究结果如下:注射HBIG组HBV宫内感染率和婴儿罹患慢性乙型肝炎(CHB)的比例均低于对照组。抗病毒治疗组在分娩时的血清HBV DNA水平低于对照组,而且标准化后的ALT水平也优于对照组。此外,抗病毒治疗组婴儿的血清乙型肝炎病毒表面抗原(HBsAg)阳性率及婴儿HBV感染率均显著降低。剖宫产组和阴道分娩组婴儿出生时或第6-7月时的血清抗乙型肝炎表面抗原抗体(anti-HBs)阳性率无显著差异。而阴道分娩组婴儿的CHB感染率可能要高一些。

研究发现,携带HBV的母亲在怀孕期间注射HBIG或接受抗病毒治疗可有效降低MTCT。然而,研究人员尚无法确定择期剖宫产相比于阴道分娩是否能降低HBV的母婴传播率。

原文出处

Xu H, Zeng T, Liu JY, Lei Y, Zhong S, Sheng YJ, Zhou Z, Ren H.Measures to Reduce Mother-to-Child Transmission of Hepatitis B Virus in China: A Meta-Analysis.Dig Dis Sci. 2013 Nov 6【原文下载

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    2013-11-23 yahu
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    2013-11-23 zhouqu_8

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