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Related Experiment Videos

Interventions for paracetamol (acetaminophen) overdoses.

J Brok1, N Buckley, C Gluud

  • 1Centre for Clinical Intervention Research, Copenhagen University Hospital, Department 71-02, H:S Rigshospitalet, Copenhagen Ø, Denmark, DK 2100. jesperb@mdb.ku.dk

The Cochrane Database of Systematic Reviews
|July 26, 2002
PubMed
Summary
This summary is machine-generated.

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Paracetamol poisoning is a common cause of liver damage. Activated charcoal reduces absorption, and N-acetylcysteine is recommended, but more high-quality trials are needed for optimal overdose interventions.

Area of Science:

  • Toxicology
  • Hepatology
  • Clinical Pharmacology

Background:

  • Paracetamol (acetaminophen) self-poisoning is a leading cause of drug-induced liver injury.
  • Current interventions aim to inhibit absorption, enhance elimination, provide antidotes, or support with liver transplantation.

Purpose of the Study:

  • To evaluate the efficacy and safety of various interventions for paracetamol overdose.
  • To assess the benefits and harms of single or combined treatment strategies.

Main Methods:

  • Systematic review of randomized clinical trials (RCTs), quasi-randomized trials, and observational studies.
  • Searches included multiple databases (Cochrane Hepato-Biliary Group, MEDLINE, EMBASE) up to July 2001.
  • Intention-to-treat analysis and methodological quality assessment were performed.

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Main Results:

  • Limited high-quality RCTs were available; meta-analyses were restricted.
  • Activated charcoal, gastric lavage, and ipecacuanha reduce absorption, with activated charcoal offering the best risk-benefit profile.
  • N-acetylcysteine showed a survival benefit in fulminant hepatic failure compared to placebo; its superiority over methionine is unproven.
  • Liver transplantation can be life-saving but requires refined selection criteria.

Conclusions:

  • A significant lack of high-quality RCTs exists for paracetamol overdose interventions.
  • Activated charcoal is recommended for reducing paracetamol absorption.
  • N-acetylcysteine is indicated for paracetamol overdose, though optimal protocols are unclear.
  • High-quality, multi-center RCTs are crucial for advancing the management of paracetamol poisoning.