Etiology and prognostic factors of acute liver failure in children

Sharandeep Kaur1, Praveen Kumar, Virendra Kumar

  • 1Department of Pediatrics, Kalawati Saran Childrens Hospital, Lady Hardinge Medical College, New Delhi, India. pkpaed@gmail.com

Indian Pediatrics
|December 21, 2012
PubMed

Insights

Acute liver failure (ALF) in children is often caused by viral infections, with a 44% mortality rate. Prognostic factors for mortality include high-grade encephalopathy and specific blood markers.

Area of Science:

  • Pediatric critical care medicine
  • Hepatology
  • Infectious diseases

Background:

  • Acute liver failure (ALF) is a severe condition with high mortality.
  • It presents with jaundice, encephalopathy, and coagulopathy, potentially leading to multiorgan failure.
  • ALF diagnosis requires no prior history of liver disease.

Purpose of the Study:

  • To investigate the causes of ALF in pediatric intensive care unit (PICU) patients.
  • To identify prognostic factors associated with increased mortality in pediatric ALF.

Main Methods:

  • A study of 43 consecutive ALF patients admitted to a PICU.
  • Analysis of etiological factors and clinical data for prognostic assessment.

Main Results:

  • Etiology was identified in 91% of cases, with viral infections being the most common cause.
  • The overall mortality rate was 44%.
  • Factors linked to increased mortality included advanced encephalopathy grade, prolonged prodromal symptom to encephalopathy interval (>7 days), low blood glucose (<45mg/dL), high serum bilirubin (>10mg/dL), and abnormal admission pH (<7.35 or >7.45).

Conclusions:

  • Viral infections are a primary cause of pediatric ALF.
  • Several clinical and biochemical parameters serve as critical prognostic indicators for mortality in pediatric ALF patients.

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