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Related Experiment Videos

Multiple viral infections.

Giovanni B Gaeta1, Davide F Precone, Alessandro Cozzi-Lepri

  • 1Department of Infectious Diseases, Viral Hepatitis Unit, Second University of Naples, Naples 80135, Italy. giovannib.gaeta@unina2.it

Journal of Hepatology
|December 15, 2005
PubMed
Summary
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Individuals with HIV are at risk for multiple hepatitis virus co-infections (HBV, HCV, HDV), leading to increased liver disease and mortality. Systematic testing and vaccination are recommended for better management of these co-infections.

Area of Science:

  • Hepatology
  • Infectious Diseases
  • Virology

Background:

  • Individuals at risk for Human Immunodeficiency Virus (HIV) are also susceptible to parenterally or sexually transmitted viral infections.
  • Multiple hepatitis virus co-infections, including Hepatitis B Virus (HBV), Hepatitis C Virus (HCV), and Hepatitis D Virus (HDV), are frequently observed in HIV-infected patients.
  • These co-infections significantly increase the risk of liver-related morbidity and mortality compared to single hepatitis infections or HIV alone.

Purpose of the Study:

  • To highlight the prevalence and clinical significance of multiple hepatitis virus co-infections in HIV-infected individuals.
  • To emphasize the need for systematic screening of hepatitis B, C, and D in HIV-positive patients.
  • To advocate for targeted vaccination strategies, such as Hepatitis B vaccination for those with HCV co-infection and no HBV markers.

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Main Methods:

  • Review of existing literature and cohort data on co-infections in HIV-positive individuals.
  • Analysis of the impact of multiple hepatitis co-infections on liver disease progression and mortality.
  • Evaluation of current therapeutic trial exclusions and empirical treatment approaches.

Main Results:

  • Multiple hepatitis co-infections (HBV+HCV, HBV+HDV, HBV+HDV+HCV) are reported in a significant percentage of HIV-infected patients, ranging from 0.4% to over 50%.
  • HIV-infected patients with multiple hepatitis co-infections exhibit a higher incidence of liver-related complications and mortality.
  • The degree of immunodepression in HIV-infected patients is a critical factor influencing the progression of liver disease.

Conclusions:

  • Systematic screening for Hepatitis B, C, and D is crucial for all HIV-infected patients.
  • Hepatitis B vaccination should be strongly considered for HIV patients co-infected with HCV and lacking HBV markers.
  • Further research is necessary to establish evidence-based treatment strategies for managing multiple hepatitis virus co-infections in the context of HIV.