[Risk factors for HIV infection among patients infected with hepatitis C virus]

Anita Campos Mendonça Silva1, Antônio Alci Barone

  • 1Divisão de Clínica de Moléstias Infecciosas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil. anitacampos@uol.com.br

Insights

Female sex, being divorced/widow, and illegal drug use are risk factors for HIV infection in hepatitis C virus patients. Sharing pipes or needles significantly increases co-infection risk.

Area of Science:

  • Epidemiology
  • Virology
  • Public Health

Context:

  • Hepatitis C virus (HCV) and human immunodeficiency virus (HIV) share transmission routes, leading to high co-infection rates globally.
  • Injectable drug use and blood transfusion history are common factors associated with HCV/HIV co-infection.
  • Understanding specific risk factors for HIV in HCV-infected individuals is crucial for targeted prevention and treatment strategies.

Purpose:

  • To identify and evaluate sociodemographic and behavioral risk factors associated with HIV infection among patients already infected with the hepatitis C virus.
  • To determine the independent risk factors for HCV/HIV co-infection using a case-control study design.

Summary:

  • A case-control study involving 118 HCV/HIV co-infected patients and 233 HCV-monoinfected patients was conducted.
  • Key risk factors identified for HCV/HIV co-infection included female sex, divorced/widowed status, past or current illegal drug use, and the habit of sharing pipes or needles.
  • Multivariate analysis confirmed female sex as a risk factor for HIV infection in HCV patients, even after adjusting for needle/pipe sharing.

Impact:

  • Findings highlight specific populations and behaviors that require focused interventions to prevent HIV transmission among HCV-infected individuals.
  • The study underscores the importance of harm reduction strategies, particularly for those who inject drugs, to mitigate co-infection risks.
  • Results can inform public health policies and clinical guidelines for screening and managing HCV/HIV co-infection.
Abstract

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