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[Autoimmune hepatitis in children and adolescents: clinical study, diagnosis and therapeutic response]

Alexandre R Ferreira1, Mariza L V Roquete, Francisco J Penna

  • 1Gastroenterologia Pediátrica, Universidade Federal de Minas Gerais, Belo Horizonte, MG. alexfer@net.em.com.br

Jornal De Pediatria
|December 4, 2003
PubMed

Insights

This study on autoimmune hepatitis (AIH) in pediatric patients found that immunosuppression treatment was effective, though corticosteroids may impact height. Key findings include female predominance and specific histopathological markers.

Area of Science:

  • Pediatric Gastroenterology
  • Hepatology
  • Immunology

Context:

  • Autoimmune hepatitis (AIH) is a chronic liver disease of unknown etiology.
  • AIH in children and adolescents presents unique clinical, laboratory, and histopathological characteristics.
  • Understanding these features is crucial for effective management and treatment strategies.

Purpose:

  • To evaluate the clinical, laboratory, and histopathological features of AIH in pediatric patients.
  • To assess the response to immunosuppressive therapy in this cohort.
  • To identify potential adverse effects of treatment, such as impact on growth.

Summary:

  • The study analyzed 39 children and adolescents with AIH, noting a female predominance (87.2%) and diverse clinical presentations (chronic, acute, hepatic failure).
  • Key laboratory findings included elevated aminotransferases and gamma-globulin. Histopathology revealed significant piecemeal necrosis, portal inflammation, and cirrhosis.
  • Immunosuppressive treatment, primarily corticosteroids and azathioprine, achieved complete resolution in 77.8% of patients, but 17.9% died. A significant reduction in height/age z-score was observed, likely due to corticosteroid side effects.

Impact:

  • This research provides valuable insights into the multifaceted nature of AIH in pediatric populations.
  • It highlights the efficacy of current immunosuppressive treatments while underscoring the need to monitor for adverse effects like growth impairment.
  • Findings can inform clinical practice guidelines for managing pediatric AIH, optimizing treatment protocols, and improving patient outcomes.
Abstract

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