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乙型肝炎病毒(HBV)可经血液、母婴、性接触等多种途径传播,其中母婴传播是我国HBV传播的主要途径之一。HBV母婴阻断是通过产前、产时、产后采取一系列措施对新生儿进行保护以减少感染HBV机会的方法。目前,HBV的母婴阻断取得了较好效果,总体阻断成功率95%以上,但仍有一定的失败率,在相关机制、方案优化等方面仍面临一些问题。
Hepatitis B virus (HBV) can be transmitted by blood, maternal and child, sexual contact and many other ways, of which mother-to-child transmission is one of the main ways of HBV transmission in our country. HBV maternal and infant block is through prenatal, intrapartum, postnatal take a series of measures to protect the newborn to reduce the chance of infection with HBV. At present, the maternal and child blockade of HBV has achieved good results, with a total success rate of over 95%. However, there are still some failure rates, and some problems still remain in terms of related mechanisms and program optimization.