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Research progress on prenatal vertical transmission of hepatitis B virus and its interruption

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF CLINICAL INFECTIOUS DISEASES
Issue:
6
DOI:
10.3760/cma.j.issn.1674-2397.2010.06.021
Key Word:
肝炎病毒,乙型;疾病传播,垂直;产前;阻断;Hepatitis B virus;Disease transmission,vertical;Prenatal;Interruption

Abstract: @@ 众所周知,垂直传播是感染乙型肝炎病毒(HBV)的重要途径之一,广义的垂直传播途径包括经生殖细胞、宫内感染、分娩及产后接触等,在时间上则可分为产前、产时和产后3个阶段.对产时、产后两种传播方式,现在通过联合使用乙型肝炎免疫球蛋白(HBIG)和乙型肝炎疫苗对新生儿进行主-被动联合免疫,已经使HBV感染率有了明显的下降,阻断率可达90%,但仍有10%左右的新生儿未能避免HBV感染,即免疫失败.因此研究HBV产前感染的危险因素、探索感染机制,是阻断和预防HBV垂直传播的关键.

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