Hepatitis C virus infection

Björn Fischler1

  • 1Department of Pediatrics, Karolinska University Hospital, Huddinge, SE-141 86 Stockholm, Sweden. bjorn.fischler@karolinska.se

Insights

Chronic hepatitis C infection affects children globally, with mother-to-child transmission risks around 5%. Antiviral treatments show promise, but pediatricians must monitor interferon

Area of Science:

  • Pediatric Infectious Diseases
  • Hepatology
  • Virology

Background:

  • Chronic hepatitis C infection prevalence in children ranges globally from 0.1% to 15%, with higher rates in endemic regions like Africa.
  • Mother-to-child transmission of hepatitis C virus (HCV) occurs in approximately 5% of cases, with limited current preventative strategies.
  • While liver damage progression in infected children is typically slow, it can accelerate over 15-20 years or with co-existing chronic conditions.

Purpose of the Study:

  • To review the current understanding of chronic hepatitis C infection in the pediatric population.
  • To discuss the implications of vertical transmission and the need for testing in newborns.
  • To evaluate the efficacy and considerations of antiviral treatment in children with hepatitis C.

Main Methods:

  • Literature review of studies on pediatric hepatitis C prevalence, transmission, and treatment.
  • Analysis of data regarding disease progression and risk factors for severe liver damage.
  • Evaluation of existing antiviral treatment regimens, including interferon and ribavirin, in pediatric patients.

Main Results:

  • Hepatitis C infection affects children worldwide, with significant prevalence in certain areas.
  • Vertical transmission is a primary concern, necessitating testing for all infants born to infected mothers.
  • Antiviral treatments, particularly interferon and ribavirin combinations, demonstrate effectiveness comparable to adults, though interferon's impact on growth requires careful pediatric monitoring.

Conclusions:

  • All infants born to mothers with hepatitis C should be tested for the virus.
  • Antiviral therapy is important for managing chronic hepatitis C in children, especially those with risk factors for advanced liver disease.
  • Pediatricians must carefully consider the growth-related side effects of interferon when initiating treatment in children.

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