Fulminant hepatic failure in children

F J Suchy1

  • 1Department of Pediatrics, Yale University, School of Medicine, New Haven, CT 06520, USA.

Insights

Fulminant hepatic failure, caused by severe liver cell damage, requires careful management. Orthotopic liver transplantation offers a significant survival benefit, with rates between 50-70%.

Area of Science:

  • Hepatology
  • Clinical Medicine
  • Transplantation Surgery

Background:

  • Fulminant hepatic failure (FHF) is a critical condition characterized by massive hepatocyte necrosis or severe functional impairment.
  • Understanding the etiology and pathogenesis of FHF is crucial for effective clinical management.

Purpose of the Study:

  • To provide a comprehensive review of the etiology, pathogenesis, and management strategies for fulminant hepatic failure.
  • To highlight the role and outcomes of orthotopic liver transplantation in managing FHF.

Main Methods:

  • Literature review of studies on fulminant hepatic failure.
  • Analysis of etiological factors, pathogenetic mechanisms, and current therapeutic interventions.
  • Evaluation of survival data for orthotopic liver transplantation in FHF patients.

Main Results:

  • Fulminant hepatic failure encompasses a range of causes leading to acute liver injury.
  • Management strategies are evolving, with liver transplantation emerging as a key intervention.
  • Orthotopic liver transplantation demonstrates high survival rates, ranging from 50% to 70% in patients with FHF.

Conclusions:

  • Fulminant hepatic failure is a severe clinical syndrome with significant mortality.
  • Orthotopic liver transplantation represents a viable and effective treatment option for selected FHF patients.
  • Continued research into FHF etiology and pathogenesis may lead to improved non-transplant therapies.

Related Concept Videos

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...
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...
Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses a challenge in...
Effect of Hepatic Disease on Pharmacokinetics: Drug Dosing and Hepatic Blood Flow01:26

Effect of Hepatic Disease on Pharmacokinetics: Drug Dosing and Hepatic Blood Flow

Chronic liver disease significantly impacts drug metabolism due to alterations in hepatic blood flow and enzyme accessibility. This disruption affects the body's pharmacokinetics—the movement and processing of drugs within the system. Key enzymes crucial for metabolizing medications become less accessible, changing how drugs are processed and utilized. Furthermore, liver disease influences the synthesis of plasma proteins, such as albumin and globulins, which play critical roles in drug binding...
Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
Inborn Errors of Metabolism01:20

Inborn Errors of Metabolism

Phenylketonuria (PKU) is a protein metabolism disorder characterized by high blood levels of the amino acid phenylalanine. This results from a mutation in the gene responsible for phenylalanine hydroxylase, an enzyme that converts phenylalanine into tyrosine. When this enzyme is deficient, phenylalanine builds up in the blood, leading to symptoms such as vomiting, rashes, seizures, growth deficiency, and severe mental retardation. An early diagnosis and a diet restricting phenylalanine intake...