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Related Experiment Videos

Hepatitis B in pregnancy.

Maya Gambarin-Gelwan1

  • 1Division of Gastroenterology and Hepatology, Weill Cornell Medical College of Cornell University, 1305 York Avenue, 4th floor, New York, NY 10021, USA. mag2046@med.cornell.edu

Clinics in Liver Disease
|November 6, 2007
PubMed
Summary
This summary is machine-generated.

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Perinatal hepatitis B virus (HBV) transmission is common in high-prevalence countries. While passive-active immunoprophylaxis is effective, additional antivirals may be needed for mothers with high viral loads.

Area of Science:

  • Hepatology
  • Virology
  • Immunology

Background:

  • Perinatal transmission is a major cause of chronic hepatitis B (HBV) in high-prevalence regions.
  • Passive-active immunoprophylaxis (hepatitis B immunoglobulin and vaccine) is 95% effective but less so for HBeAg-positive mothers with high HBV DNA.
  • High maternal viral load poses a challenge to preventing infant HBV infection.

Purpose of the Study:

  • To review the efficacy of current strategies for preventing perinatal HBV transmission.
  • To explore the potential role of antiviral therapy in pregnant women with high HBV viremia.
  • To identify areas for future research in managing chronic hepatitis B during pregnancy.

Main Methods:

  • Literature review of studies on perinatal HBV transmission prevention.

Related Experiment Videos

  • Analysis of data on the effectiveness of passive-active immunoprophylaxis.
  • Examination of studies investigating antiviral agents (e.g., lamivudine) in late pregnancy.

    • Main Results:

    • Passive-active immunoprophylaxis is highly effective but has limitations in specific maternal subgroups.
    • Lamivudine may offer additional protection against HBV transmission in pregnant women with very high viral loads.
    • The effectiveness of nucleos(t)ide analogues for treating chronic HBV during pregnancy requires further investigation.

    Conclusions:

    • Current immunoprophylaxis is a cornerstone but may need augmentation for certain high-risk pregnancies.
    • Antiviral therapy during late pregnancy warrants further research to optimize prevention strategies.
    • Future studies should focus on the safety and efficacy of nucleos(t)ide analogues in pregnant women with chronic HBV.