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Dig Dis Sci. 2014 Feb;59(2):242-58. doi: 10.1007/s10620-013-2918-0. Epub 2013 Nov 6.

Measures to reduce mother-to-child transmission of Hepatitis B virus in China: a meta-analysis.

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  • 1The Second College of Clinical Medicine, The Second Affiliated Hospital of Chongqing Medical University, 74 Lingjiang Road, Central District, Chongqing, 400010, China, xuhua0605@126.com.

Abstract

BACKGROUND:

Mother-to-child transmission (MTCT) is the main mode of spread of hepatitis B virus (HBV) in China. We performed a meta-analysis to compare the effects of three measures for prevention of MTCT.

METHODS:

A meta-analysis was performed on randomized controlled trials and non-randomized studies comparing the index of MTCT among five groups of pregnant women: hepatitis B immunoglobulin (HBIG) administration, antiviral treatment, placebo, elective caesarean section, and vaginal delivery.

RESULTS:

Compared with the control group, the incidence of HBV intrauterine infection (RR = 0.42, 95 % CI 0.27-0.64, P < 0.0001) and the number of chronic hepatitis B (CHB) infants (RR = 0.44, 95 % CI 0.32-0.61, P < 0.00001) were lower in the HBIG administration group. In the antiviral treatment group, serum HBV DNA levels were lower (MD = -4.01, 95 % CI -5.07 to -2.94, P < 0.00001) at the time of delivery, and normalization of ALT levels was better (RR = 1.11, 95 % CI 1.06-1.17, P < 0.0001). Infant serum HBsAg positivity (RR = 0.45, 95 % CI 0.22-0.91, P = 0.03) and incidence of infant HBV transmission RR = 0.06, 95 % CI 0.01-0.24, P < 0.0001) were reduced in antiviral the treatment group. Infant serum anti-HBs positivity at birth (RR = 1.24, 95 % CI 0.89-1.74, P = 0.2) or at 6-7 months (RR = 0.98, 95 % CI 0.86-1.11, P = 0.73) was not significantly different between the caesarean section and vaginal delivery groups. The incidence of infant CHB infection may have been higher in the vaginal delivery group (RR = 2.20, 95 % CI 1.02-4.74, P = 0.04).

CONCLUSIONS:

Administration of HBIG or antiviral therapy to HBV carrier mothers during pregnancy is effective in reducing MTCT.

[PubMed - indexed for MEDLINE]
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