A cautionary note to hepatitis B e antigen (HBeAg)‐negative test results in pregnant women in an area prevalent of HBeAg‐negative chronic hepatitis B

alexandrossfakianakis shared this article with you from Inoreader A cautionary note to hepatitis B e antigen (HBeAg)‐negative test results in pregnant women in an area prevalent of HBeAg‐negative chronic hepatitis B via Journal of Medical Virology Abstract Maternal hepatitis B e Antigen (HBeAg) positivity poses a risk for hepatitis B virus (HBV) mother-to-child transmission (MTCT). In resource-constrained settings, HBeAg testing is recommended as an alternative to HBV DNA testing to establish antiviral prophylaxis eligibility. Nevertheless, the high prevalence of HBeAg-negative chronic hepatitis B (e-CHB) in many countries should not be overlooked. We studied HBV characteristics and explored the potential MTCT risk among HBeAg-negative/HBsAg-positive expectant mothers in an area prevalent of e-CHB. Among 1,348 pregnant mothers screened for HBV infection, 81 (6.0%) were HBsAg-positive. These women were examined for HBeAg, HBV DNA, and cord blood HBV DNA. Sixteen (19.8%) of the HBsAg-positive mothers were HBeAg-positive, whereas 65 (80.2%) were HBeAg-negative, including eight inactive carriers (HBsAg <100 IU/mL, HBV DNA ≤2,000 IU/mL, and ALT <40 IU/L). Of the remaining 57 HBeAg-negative mothers, ten reve aled HBV Basal Core Promoter or Precore mutations, with three having high viremia (HBV DNA >200,000 IU/mL), which is associated with a high MTCT risk and therefore qualifies them for antiviral prophylaxis. This pilot study provides a cautionary note to the interpretation of negative HBeAg test results when determining eligibility for MTCT antiviral prophylaxis in situations with limited resources and in regions where e-CHB is prevalent. This article is protected by copyright. All rights reserved. View on Web

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