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Factors influencing clinical course and histological findings in children with chronic hepatitis B

Iwona Mozer-Lisewska1, Anna Mania, Wojciech Słuzewski

  • 1Department of Infectious Diseases and Child Neurology, III Chair of Pediatrics, University of Medical Sciences, Poznañ, Poland. iwonalisewska@poczta.onet.pl

European Journal of Gastroenterology & Hepatology
|September 30, 2009
PubMed

Insights

Pediatric chronic hepatitis B (CHB) shows variable liver injury, with fibrosis progression linked to age at infection. Higher ALT levels indicate significant fibrosis in children with CHB.

Area of Science:

  • Pediatric Gastroenterology
  • Hepatology
  • Virology

Background:

  • Chronic hepatitis B (CHB) in children can lead to severe liver disease despite a generally mild course.
  • Limited data exists on the clinical outcomes of CHB in pediatric populations.

Purpose of the Study:

  • To evaluate inflammatory activity and fibrosis in children with CHB before treatment.
  • To correlate these findings with clinical data.

Main Methods:

  • Study included 200 children (1.5-18 years) with CHB.
  • Histopathological assessment used the modified Knodell system.
  • Clinical data and history were analyzed.

Main Results:

  • Mild necroinflammatory activity in 115 children, moderate in 44.
  • Fibrosis ranged from minimal (S1) to advanced (S3-S4).
  • Alanine aminotransferase (ALT) activity correlated with fibrosis stage and was higher in significant fibrosis (S2-S4).
  • Spontaneous hepatitis B early antigen seroconversion occurred in 15% and was linked to shorter infection duration and higher ALT.

Conclusions:

  • Liver injury in pediatric CHB ranges from minimal to advanced necroinflammation and fibrosis.
  • Fibrosis progression appears related to age at infection.
  • Higher ALT levels are associated with significant fibrosis in children with CHB.
Abstract

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