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Prenat Diagn. 2019 Mar 27. doi: 10.1002/pd.5452. [Epub ahead of print]
Mother-to-child transmission of hepatitis B virus after amniocentesis: a retrospective matched-cohort study.
Han Z1, Zhang Y1, Bai X1, Yin Y1, Xu C1, Hou H1.
Author information
1
Department of Obstetrics and Gynecology, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, 510630, China.
Abstract
OBJECTIVE:
To determine whether amniocentesis increases the risk of mother-to-child transmission (MTCT) of hepatitis B virus (HBV) and evaluate risk factors for MTCT.
METHODS:
143 hepatitis B surface antigen (HBsAg)-positive women with amniocentesis were enrolled into the amniocentesis group. 605 non-amniocentesis cases were matched with amniocentesis cases based on maternal viral loads, antiviral therapy regimens, and delivery dates. MTCT of HBV was defined as HBsAg and/or DNA positivity in infants from birth to age 7-12 months.
RESULTS:
MTCT rate was significantly higher in HBsAg-positive women with amniocentesis than in those without amniocentesis (2.80% vs. 0.50%; RR, 5.64, 95% CI, 1.28-24.93). In the amniocentesis group, maternal HBV DNA ≥7.0 log10 IU/ml and hepatitis B e-antigen (HBeAg) positivity were associated with higher MTCT rates than maternal HBV DNA <7.0 log10 IU/ml (10.81% vs. 0%, P=0.004) and HBeAg negativity (8.16% vs. 0%, P=0.013), and antiviral therapy reduced MTCT rate from 14.3% to 0% (P=0.554) when maternal HBV DNA was ≥7.0 log10 IU/ml.
CONCLUSIONS:
Amniocentesis increases the risk of MTCT in women with hepatitis B, and maternal HBV DNA ≥7.0 log10 IU/ml and HBeAg positivity are risk factors for MTCT. Antiviral therapy may be effective to prevent MTCT after amniocentesis in highly viremic mothers.
This article is protected by copyright. All rights reserved.
PMID:
30916399
DOI:
10.1002/pd.5452
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