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Updated: May 7, 2026

Generation of a Rat Model of Acute Liver Failure by Combining 70% Partial Hepatectomy and Acetaminophen
Published on: November 27, 2019
Acetaminophen-related hepatotoxicity.
Chalermrat Bunchorntavakul1, K Rajender Reddy
1Division of Gastroenterology and Hepatology, Department of Medicine, Hospital of the University of Pennsylvania, University of Pennsylvania, 2 Dulles, 3400 Spruce Street, Philadelphia, PA 19104, USA; Division of Gastroenterology and Hepatology, Department of Medicine, Rajavithi Hospital, College of Medicine, Rangsit University, Rajavithi Road, Ratchathewi, Bangkok 10400, Thailand.
Acetaminophen overdose is a major cause of acute liver failure. Early recognition and treatment with N-acetylcysteine improve outcomes, with liver transplantation as a last resort for severe cases.
Area of Science:
- Toxicology
- Hepatology
- Pharmacology
Background:
- Acetaminophen (APAP) overdose is the primary global cause of drug-induced acute liver failure (ALF).
- APAP hepatotoxicity can result from single ingestions or therapeutic errors.
- Factors like alcohol use, genetics, and nutrition impact APAP toxicity severity.
Purpose of the Study:
- To review the causes, risk factors, and clinical presentation of APAP-induced hepatotoxicity.
- To emphasize the importance of early diagnosis and prompt treatment of APAP overdose.
- To discuss the efficacy of N-acetylcysteine and the role of liver transplantation in managing APAP-induced ALF.
Main Methods:
- Literature review of studies on acetaminophen overdose and hepatotoxicity.
- Analysis of factors influencing APAP-induced liver injury.
- Evaluation of treatment strategies and patient outcomes.
Main Results:
- Acetaminophen is the leading cause of drug overdose and ALF worldwide.
- Early APAP hepatotoxicity symptoms are nonspecific, necessitating physician vigilance.
- N-acetylcysteine is highly effective when administered within 8 hours of ingestion.
- Prognosis for APAP-induced ALF is generally better than for other causes of ALF.
Conclusions:
- Prompt recognition and treatment with N-acetylcysteine are crucial for managing APAP overdose and hepatotoxicity.
- Liver transplantation is a viable option for patients with APAP-induced ALF who have a poor prognosis.
- Understanding risk factors can help mitigate the severity of APAP hepatotoxicity.
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