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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...
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Pharmaceutical Poisoning: Potential Scenarios

Pharmaceutical poisoning can occur through various channels, impacting an estimated 2 million hospitalized patients in the U.S. annually with serious adverse drug responses. These scenarios encompass both therapeutic uses, such as drug toxicity, where even standard dosages can lead to severe central nervous system depression, and non-therapeutic exposures, including accidental ingestion by children, and environmental and occupational exposures.Unintentional poisonings often involve exploratory...
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Related Experiment Video

Updated: May 8, 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

Predicting risk in patients with acetaminophen overdose.

Laura P James1, Prit Gill, Pippa Simpson

  • 1Department of Pediatrics, University of Arkansas for Medical Sciences and Arkansas Children's Hospital Research Institute, Little Rock, AR, USA.

Expert Review of Gastroenterology & Hepatology
|August 30, 2013
PubMed
Summary

Acetaminophen overdose can cause acute liver failure. New cell death biomarkers show promise in predicting liver injury earlier than current methods, potentially improving patient risk assessment after overdose.

Related Experiment Videos

Last Updated: May 8, 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

Area of Science:

  • Toxicology
  • Hepatology
  • Biomarker Discovery

Background:

  • Acetaminophen (APAP) overdose is a leading cause of acute liver failure in the US and Europe.
  • Current risk assessment for APAP toxicity relies on imprecise, time-sensitive methods and late-stage liver injury markers.
  • There is a need for improved biomarkers to guide clinical management of APAP overdose.

Purpose of the Study:

  • To evaluate the potential of mechanism-based biomarkers for predicting acute liver injury in APAP overdose.
  • To compare the sensitivity of cell death biomarkers against traditional markers like ALT and APAP levels.

Main Methods:

  • Analysis of 'low-risk' APAP overdose patients treated with N-acetylcysteine.
  • Assessment of cell death biomarkers, alanine aminotransferase (ALT), and APAP concentrations.

Main Results:

  • Cell death biomarkers were more sensitive than ALT and APAP concentrations in predicting acute liver injury.
  • Findings suggest a role for novel biomarkers in identifying low-risk APAP overdose patients.

Conclusions:

  • Novel cell death biomarkers may offer earlier and more sensitive prediction of APAP-induced liver injury.
  • Future research must consider the time-dependent effects of N-acetylcysteine treatment in predictive toxicology studies.