Related Experiment Video

Updated: Aug 22, 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

Acute liver failure complicating viral hepatitis A

Daniel Rui Diniz-Santos1, Maria Clotildes Nunes de Melo, Rita Franca Melo

  • 1Pediatric Gastroenterology and Hepatology Division, Professor Hosannah Oliveira Pediatric Centre, Federal University of Bahia, Salvador, BA, Brazil.

The Brazilian Journal of Infectious Diseases : an Official Publication of the Brazilian Society of Infectious Diseases
|September 14, 2004
PubMed

Insights

Hepatitis A infection can rarely lead to acute liver failure (ALF) in children. Early identification and prevention, including vaccination, are crucial for managing this severe complication.

Area of Science:

  • Pediatric Infectious Diseases
  • Hepatology
  • Hepatitis A Virology

Background:

  • Hepatitis A is a common childhood liver infection globally.
  • While typically mild and self-resolving, severe complications can occur.
  • Acute liver failure (ALF) is a rare but life-threatening outcome of Hepatitis A.

Observation:

  • This report details a case of a child who developed ALF during Hepatitis A infection.
  • The case highlights the potential severity of Hepatitis A in pediatric patients.
  • Clinical presentation and diagnostic challenges of ALF in Hepatitis A are noted.

Findings:

  • Hepatitis A can precipitate acute liver failure in children.
  • Early recognition of ALF symptoms in Hepatitis A patients is critical.
  • Effective diagnostic strategies for identifying ALF are essential.

Implications:

  • The findings underscore the importance of vigilant monitoring for ALF in children with Hepatitis A.
  • This emphasizes the need for prompt and effective management protocols for ALF.
  • Vaccination against Hepatitis A is highlighted as a key preventive measure against severe outcomes.

Related Concept Videos

Viral Hepatitis I: Introduction01:28

Viral Hepatitis I: Introduction

Viral hepatitis is an inflammatory condition of the liver caused by infection with hepatotropic viruses, most commonly hepatitis A, B, C, D, and E. Despite variations in structure and transmission, all viruses mentioned infect hepatocytes and provoke immune responses that can hinder liver function. Additionally, some non-hepatotropic viruses can also lead to hepatic inflammation.Hepatitis A VirusHepatitis A virus (HAV) is transmitted through the fecal–oral route, typically by ingestion of food...
Hepatitis01:25

Hepatitis

Hepatitis is an inflammatory condition of the liver most commonly caused by hepatotropic viruses (A–E), though non-infectious causes such as alcohol and drugs also exist.Hepatitis AHepatitis A virus (HAV) is a non-enveloped RNA virus of the Picornaviridae family. It is primarily transmitted via the fecal-oral route, typically through ingestion of contaminated food or water. After ingestion, HAV enters the bloodstream through the oropharynx or intestinal epithelium and reaches the liver. The...
Diseases of the Liver and Gallbladder01:26

Diseases of the Liver and Gallbladder

Liver and gallbladder diseases are a significant health concern, with prominent conditions including cirrhosis, hepatitis, non-alcoholic fatty liver disease (NAFLD), and gallstones. Jaundice is a common manifestation of liver and biliary disease.
Cirrhosis is characterized by the scarring of hepatic lobules in the liver, which are replaced by fibrous tissue, affecting the liver's normal functioning. NAFLD, on the other hand, is caused by an excessive build-up of fat in the liver, not related to...
Hepatic Encephalopathy01:29

Hepatic Encephalopathy

DefinitionHepatic encephalopathy is a reversible neurologic syndrome that results from advanced liver dysfunction or portosystemic shunting. It leads to disturbances in cognition, behavior, and motor function due to the brain’s exposure to gut-derived toxins that the liver fails to detoxify.EtiologyThis condition develops either in the setting of acute fulminant hepatitis or progressively during chronic liver disease, such as cirrhosis and portal hypertension. Portosystemic shunting—including...
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...
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...