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  1. NTU Scholars
  2. 醫學院
  3. 醫學教育暨生醫倫理學科所
Please use this identifier to cite or link to this item: https://scholars.lib.ntu.edu.tw/handle/123456789/439016
Title: Mother-to-infant transmission of hepatitis B virus infection: Significance of maternal viral load and strategies for intervention
Authors: Wen W.-H.
Chang M.-H.
Zhao L.-L.
Ni Y.-H.
HONG-YUAN HSU 
Wu J.-F.
Chen P.-J.
Chen D.-S.
Chen H.-L.
Issue Date: 2013
Publisher: Elsevier
Journal Volume: 59
Journal Issue: 1
Start page/Pages: 24-30
Source: Journal of Hepatology
Abstract: 
Background & Aims: Immunoprophylaxis reduces but does not completely eradicate hepatitis B virus (HBV) transmission. This prospective study aims at assessing the rate and risk factors of maternally transmitted HBV infection. Methods: We enrolled 303 mother-infant pairs with positive maternal hepatitis B surface antigen (HBsAg) under current immunization program. Maternal viral load was determined by a real-time PCR-based assay. The children were tested for HBsAg at 4-8 months and/or 1-3 years of age. Rates of HBV infection were estimated using a multivariate logistic regression model. Results: HBeAg-positive mothers (81/303, 26.7%) had higher viral loads than HBeAg-negative mothers (7.4 ± 1.9 vs. 2.7 ± 1.4 log10 copies/ml, p <0.0001). Ten children, born to HBeAg-positive mothers with high viral load (median, 8.4; range, 6.5-9.5 log10 copies/ml), were chronically infected. After adjustment for maternal age, birth type, factors related to maternal-fetal hemorrhage, gestational age, infant gender, birth weight, timeliness of vaccination, and feeding practice, maternal viral load was significantly associated with risk of infection (adjusted odds ratio for each log10 copy/ml increase, 3.49; 95% confidence interval (CI), 1.63-7.48; p = 0.001). The predictive rates of infection at maternal viral load levels of 7, 8, and 9 log10 copies/ml were 6.6% (95% CI, 0.5-12.6%; p = 0.033), 14.6% (95% CI, 5.6-23.6%; p = 0.001), and 27.7% (95% CI, 13.1-42.4%; p <0.001), respectively. Conclusions: Additional strategies to further reduce transmission should be considered in mothers with a viral load above 7-8 log10 copies/ml. ? 2013 European Association for the Study of the Liver. Published.
URI: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84984586986&doi=10.1016%2fj.jhep.2013.02.015&partnerID=40&md5=f98646db08297ace6c2b6c52f510798c
https://scholars.lib.ntu.edu.tw/handle/123456789/439016
ISSN: 0168-8278
DOI: 10.1016/j.jhep.2013.02.015
metadata.dc.subject.other: alanine aminotransferase; h b vax ii; hepatitis B antibody; hepatitis B surface antigen; hepatitis B(e) antigen; maternal antibody; recombinant hepatitis B vaccine; unclassified drug; adult; alanine aminotransferase blood level; article; birth weight; female; follow up; gender; genotype; gestational age; hepatitis B; Hepatitis B virus; human; immunoprophylaxis; infant; infection risk; major clinical study; male; maternal age; microparticle enzyme immunoassay; priority journal; prospective study; risk factor; vaccination; vertical transmission; virus load; virus transmission
[SDGs]SDG3
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