Outcomes of Infants Born to Women Infected With Hepatitis B
- 1 May 2015
- journal article
- Published by American Academy of Pediatrics (AAP) in PEDIATRICS
- Vol. 135 (5), e1141-e1147
- https://doi.org/10.1542/peds.2014-3213
Abstract
BACKGROUND AND OBJECTIVES: Perinatal exposure is an important mode of hepatitis B virus (HBV) transmission, resulting in chronic disease in ∼90% of infected infants. Immunoprophylaxis recommended for infants born to hepatitis B surface antigen–positive mothers reduces up to 95% of perinatal HBV infections. We sought to identify factors associated with perinatal HBV transmission. METHODS: We analyzed prospectively collected data from 5 of 64 US-funded Perinatal Hepatitis B Prevention Programs during 2007–2013. We examined effects of maternal demographic and laboratory results, infant gestational age and birth weight, and immunoprophylactic management on perinatal HBV infection. RESULTS: Data from 17 951 mother-infant pairs were analyzed. Among 9252 (51.5%) infants for whom hepatitis B surface antigen testing results were available, 100 (1.1%) acquired perinatal HBV infection. Both hepatitis B (HepB) vaccine and hepatitis B immune globulin were administered within 12 hours of birth for 10 760 (94.9%) of 11 335 infants with information. Perinatal HBV infection was associated with younger maternal age (P = .01), Asian/Pacific Islander race (P < .01), maternal hepatitis B e-antigen positivity (P < .01), maternal antibody to hepatitis B e-antigen negativity (P < .01), maternal viral load ≥2000 IU/mL (P = .04), and infant receipt of P = .01). Four infants born to 429 mothers with viral load testing were infected; all 4 were born to mothers with viral loads in the ninth or tenth decile. CONCLUSIONS: Perinatal HBV infection occurred among 1% of infants, most of whom received recommended immunoprophylaxis. Infants at greatest risk of infection were those born to women who were younger, hepatitis B e-antigen positive, or who had a high viral load or those infants who received <3 HepB vaccine doses.This publication has 23 references indexed in Scilit:
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