Related Experiment Video

Updated: Aug 15, 2026

Generation of a Rat Model of Acute Liver Failure by Combining 70% Partial Hepatectomy and Acetaminophen
09:44

Generation of a Rat Model of Acute Liver Failure by Combining 70% Partial Hepatectomy and Acetaminophen

Published on: November 27, 2019

Characterization of acute liver failure and development of a continuous risk of death staging system in children

Edwin Liu1, Todd MacKenzie, Emily L Dobyns

  • 1Section of Pediatric Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, The Children's Hospital and University of Colorado Health Sciences Center, 1056 East 19th Avenue, Box B290, Denver, CO 80218-1088, USA.

Journal of Hepatology
|September 20, 2005
PubMed

Insights

Pediatric acute liver failure (ALF) survival has improved. A new scoring system using bilirubin, INR, and ammonia levels can predict mortality risk in children with ALF.

Area of Science:

  • Pediatric Hepatology
  • Critical Care Medicine
  • Transplantation Medicine

Background:

  • Acute liver failure (ALF) in children historically has high mortality, with survival rates improving with orthotopic liver transplantation (OLT).
  • No established severity staging system exists for pediatric ALF.
  • This study aimed to characterize pediatric ALF and develop a predictive mortality scoring system.

Purpose of the Study:

  • To characterize pediatric acute liver failure (ALF) in a tertiary hospital setting.
  • To develop a novel scoring system for stratifying ALF severity based on predicted mortality.
  • To improve clinical research and patient stratification for studies involving pediatric ALF.

Main Methods:

  • Prospective data collection of 81 pediatric patients with ALF from 1993-2003.
  • Recording of peak laboratory values, clinical characteristics, and patient survival outcomes.
  • Analysis of laboratory parameters to identify predictors of mortality or need for liver transplant.

Main Results:

  • Overall survival for pediatric ALF was 72%, with a transplant-free survival of 56%.
  • The transplantation rate was 22%, with a 72% survival rate post-OLT.
  • Peak total bilirubin, prothrombin time/INR, and ammonia levels were identified as the most significant predictors of mortality.

Conclusions:

  • Survival rates in pediatric ALF have shown improvement in recent years.
  • A risk staging system based on bilirubin, INR, and ammonia can predict mortality.
  • This staging system may aid in risk-adjusted outcomes analysis and patient stratification in clinical research for pediatric ALF.
Abstract

More Related Videos

A Mouse Model of the Associating Liver Partition and Portal Vein Ligation for Staged Hepatectomy Procedure Aided by Microscopy06:45

A Mouse Model of the Associating Liver Partition and Portal Vein Ligation for Staged Hepatectomy Procedure Aided by Microscopy

Published on: January 19, 2024

Related Concept Videos

Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test01:22

Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test

In clinical practice, the direct measurement of hepatic blood flow to evaluate liver function presents significant challenges due to the intricate and specialized nature of the necessary techniques. Consequently, healthcare professionals often rely on empirical estimates derived from thorough patient examinations and liver function tests to gauge liver health. Among the tools at their disposal, the Child–Pugh and MELD scoring systems stand out for their ability to categorize and assess the...
Acute Kidney Injury I: Introduction01:22

Acute Kidney Injury I: Introduction

Introduction:Acute Kidney Injury (AKI) describes a swift decrease in kidney function occurring over hours to days, characterized by the kidneys' failure to remove waste products from the bloodstream. This leads to dangerous complications like metabolic acidosis, fluid overload, and electrolyte imbalances, such as hyperkalemia, which can cause life-threatening arrhythmias. AKI is common in both hospital and outpatient settings, often triggered by dehydration, sepsis, or exposure to nephrotoxic...
Cirrhosis II: Pathophysiology01:24

Cirrhosis II: Pathophysiology

Cirrhosis is a progressive chronic liver injury caused by prolonged inflammation, excessive fibrotic remodeling, and impaired regeneration. Over time, repeated hepatic insults disrupt the liver’s architecture and function, leading to reduced blood flow, impaired bile drainage, and diminished metabolic capacity.Pathophysiology of cirrhosisCirrhosis arises from three main responses to chronic liver damage: inflammation, immune activation, and hepatocyte death. These processes lead to structural...
Cirrhosis I: Introduction01:23

Cirrhosis I: Introduction

Cirrhosis is a chronic, irreversible liver disease characterized by the widespread replacement of healthy liver tissue with fibrotic scar tissue and the formation of regenerative nodules.Etiology of cirrhosisCirrhosis results from sustained liver injury that triggers progressive fibrosis and structural remodeling. The underlying causes are diverse, encompassing common and less frequent clinical conditions. Regardless of the origin, all causes lead to chronic inflammation, hepatocyte loss, and...
Acute Kidney Injury III: Clinical Manifestations01:29

Acute Kidney Injury III: Clinical Manifestations

Acute Kidney Injury (AKI) progresses through distinct clinical phases: the oliguric, diuretic, and recovery phases, each marked by unique manifestations and challenges.Oliguric Phase:The oliguric phase is the initial stage of AKI, typically lasting 10 to 14 days. This phase is marked by a significant reduction in urine output, usually less than 400 mL per day, indicating decreased kidney function. Fluid retention is a prominent feature, leading to symptoms such as edema, hypertension, and...
Esophageal Varices-II: Clinical Features and Management01:28

Esophageal Varices-II: Clinical Features and Management

Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...