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Prognostic factors in paediatric acute liver failure

M Ciocca1, M Ramonet, M Cuarterolo

  • 1Division of Gastroenterology, Children's Hospital Juan P Garrahan, Combate de los Pozos 1881 (CP 1245), Ciudad Autónoma de Buenos Aires, Argentina. mciocca@intramed.net.ar

Archives of Disease in Childhood
|September 18, 2007
PubMed

Insights

Hepatitis A is the primary cause of pediatric acute liver failure (ALF) in Argentina. Advanced encephalopathy and prolonged prothrombin time predict poor outcomes, but King's College criteria effectively assess prognosis in children.

Area of Science:

  • Pediatric Hepatology
  • Infectious Diseases
  • Critical Care Medicine

Background:

  • Acute liver failure (ALF) in children presents a significant clinical challenge with varying etiologies and outcomes.
  • Identifying reliable prognostic indicators is crucial for timely intervention and management.

Purpose of the Study:

  • To investigate the causes, outcomes, and prognostic factors in pediatric patients diagnosed with acute liver failure.
  • To evaluate the applicability of King's College criteria for predicting ALF outcomes in children.

Main Methods:

  • A retrospective chart review was conducted on 210 pediatric patients (median age 5.33 years) with ALF.
  • Patients were categorized into survival, death, or liver transplantation (LT) groups.
  • King's College criteria were assessed for their predictive value.

Main Results:

  • Hepatitis A was the leading cause of ALF (61%), followed by indeterminate causes (32%).
  • Multivariate analysis identified prothrombin time and advanced encephalopathy (III/IV) as significant predictors of mortality.
  • King's College criteria demonstrated high positive predictive values (95-96%) and negative predictive values (82%) for predicting outcomes, including the need for LT.

Conclusions:

  • Hepatitis A is the predominant etiology of pediatric ALF in Argentina.
  • Prognostic indicators such as advanced encephalopathy and prolonged prothrombin time are strongly associated with adverse outcomes or the need for liver transplantation.
  • King's College criteria are validated for predicting ALF outcomes in pediatric populations, including cases attributed to hepatitis A.
Abstract

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