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乙型肝炎病毒(HBV)的围产期传播,是指围产期内由携带乙型肝炎病毒表面抗原的母亲(包括乙型肝炎病人及无症状 HBsAg携带者)将病毒直接传给婴儿,并造成受染婴儿可表现为临床、亚临床型或长期 HBsAg携带者称之。近几年来研究表明,HBsAg 携带者的母亲(包括 HBeAg 阳性母亲)在围产期对新生儿的感染是严重的,约占90%。可见HBV 围产期传播对新生儿带来极大的威胁,它不但直接关系到小儿的健康,而且也关系到计划生育和优生工作的开展。故应重视和研究,尽快找出有效的预防措施,阻断母婴传播。
Perinatal transmission of Hepatitis B virus (HBV) refers to the transmission of the virus directly to infants during the perinatal period by mothers carrying hepatitis B surface antigen (including Hepatitis B and asymptomatic HBsAg carriers) Cause infected infants can be manifested as clinical, subclinical or long-term HBsAg carriers call it. In recent years, studies have shown that HBsAg carriers of mothers (including HBeAg-positive mothers) in perinatal infection of the newborn is serious, accounting for about 90%. It can be seen that perinatal HBV transmission poses a great threat to the newborn. It is not only directly related to the health of children, but also relates to the work of family planning and eugenics. Therefore, attention and research should be paid to find out effective preventive measures as soon as possible to stop mother-to-child transmission.