Hepatitis A in children- clinical course, complications and laboratory profile

K Jagadish Kumar1, H C Krishna Kumar, V G Manjunath

  • 1Department of Pediatrics, JSS Medical College, JSS University, Mysore, Karnataka, India, jagdishmandya@gmail.com.

Insights

Hepatitis A in children can cause serious complications and even death, despite often being self-limiting. Close monitoring is essential to detect and manage these extrahepatic manifestations and potential mortality risks.

Area of Science:

  • Pediatric Infectious Diseases
  • Hepatology
  • Virology

Background:

  • Hepatitis A virus (HAV) infection is a significant global health concern, particularly in pediatric populations.
  • While often self-limiting, understanding the full spectrum of HAV disease course and potential complications in children is crucial for effective management.

Purpose of the Study:

  • To prospectively investigate the clinical course and identify complications associated with acute viral hepatitis A in a cohort of children.
  • To evaluate the incidence of extrahepatic manifestations and mortality in pediatric cases of hepatitis A.

Main Methods:

  • A prospective study involving 78 children diagnosed with acute hepatitis A via IgM anti-HAV antibodies.
  • Systematic assessment for involvement of other organ systems and complications, including laboratory tests and imaging.

Main Results:

  • Jaundice was universal; fever (82.1%), hepatomegaly (98.7%), and splenomegaly (39.7%) were common. Elevated AST/ALT levels were observed in most cases.
  • Significant complications included coagulopathy (15.4%), thrombocytopenia (5.1%), ascites (44.9%), gallbladder wall thickening (41%), and pleural effusion (14.1%). Rare cases of acute renal failure, glomerulonephritis, and pancreatitis occurred.
  • Mortality was 1.3%, attributed to fulminant hepatic failure. Most children recovered within two months, though two experienced prolonged cholestasis.

Conclusions:

  • Hepatitis A in children, though typically self-limiting, can present with significant extrahepatic manifestations and a non-negligible mortality rate.
  • Vigilant follow-up and a high index of suspicion are necessary to identify and manage complications effectively in pediatric hepatitis A cases.
Abstract

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