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Development of a Prognostic Score to Predict Mortality in Patients With Pediatric Acute Liver Failure

Eun Joo Lee1, Ju Whi Kim1, Jin Soo Moon1

  • 1Department of Pediatrics, Seoul National University Children's Hospital, Seoul National University College of Medicine.

Journal of Pediatric Gastroenterology and Nutrition
|May 23, 2020
PubMed

Insights

A new prognostic score, PALF-Delta score (PALF-Ds), effectively predicts mortality in pediatric acute liver failure (PALF) patients. This score utilizes changes in total bilirubin and international normalized ratio, offering improved patient outcome prediction.

Area of Science:

  • Hepatology
  • Pediatric Gastroenterology
  • Clinical Chemistry

Background:

  • Pediatric acute liver failure (PALF) presents a critical challenge in pediatric medicine.
  • Accurate prognostic scoring is essential for timely intervention and management of PALF patients.
  • Current prognostic tools may not fully capture disease dynamics reflected in serial laboratory data.

Purpose of the Study:

  • To develop and validate a novel prognostic score for predicting mortality in pediatric acute liver failure (PALF) patients.
  • To identify key laboratory parameters and their changes that are indicative of poor outcomes in PALF.
  • To create a practical tool for clinicians to assess prognosis in PALF.

Main Methods:

  • Retrospective analysis of 146 PALF patients from two medical centers.
  • Collection of daily laboratory data (total bilirubin, INR, ammonia) for up to 7 days post-diagnosis.
  • Development of the PALF-Delta score (PALF-Ds) based on changes in serial laboratory values (Δpeak TB, Δdaily TB, Δpeak INR, Δdaily INR) and peak ammonia.

Main Results:

  • Changes in total bilirubin (TB) and international normalized ratio (INR), along with peak ammonia, were significant predictors of mortality.
  • The developed PALF-Delta score demonstrated high accuracy in predicting mortality.
  • AUC of 0.918 in the derivation cohort and 0.947 in the validation cohort, with high sensitivity and specificity.

Conclusions:

  • The PALF-Delta score, incorporating changes in TB/INR and peak ammonia, is a reliable prognostic tool for PALF.
  • This scoring system can aid in risk stratification and clinical decision-making for non-transplanted PALF patients.
  • Serial laboratory data changes offer valuable insights into PALF prognosis.
Abstract

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