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Cirrhosis I: Introduction01:23

Cirrhosis I: Introduction

Cirrhosis is a chronic, irreversible liver disease characterized by the widespread replacement of healthy liver tissue with fibrotic scar tissue and the formation of regenerative nodules.Etiology of cirrhosisCirrhosis results from sustained liver injury that triggers progressive fibrosis and structural remodeling. The underlying causes are diverse, encompassing common and less frequent clinical conditions. Regardless of the origin, all causes lead to chronic inflammation, hepatocyte loss, and...
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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...
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Incorporation of a Survivable Liver Biopsy Procedure in Mice to Assess Non-alcoholic Steatohepatitis (NASH) Resolution
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Incorporation of a Survivable Liver Biopsy Procedure in Mice to Assess Non-alcoholic Steatohepatitis (NASH) Resolution

Published on: April 16, 2019

Alcoholic steatohepatitis.

Felix Stickel1, Helmut K Seitz

  • 1Department of Visceral Surgery and Medicine, Inselspital, University of Bern, Murtenstrasse 35, CH-3010 Bern, Switzerland. felix.stickel@ikp.unibe.ch

Best Practice & Research. Clinical Gastroenterology
|October 20, 2010
PubMed
Summary
This summary is machine-generated.

Severe alcoholic steatohepatitis (ASH) is a serious liver condition with poor outcomes. Early diagnosis and treatment, including abstinence and medical interventions, are crucial for managing this complex disease.

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Incorporation of a Survivable Liver Biopsy Procedure in Mice to Assess Non-alcoholic Steatohepatitis (NASH) Resolution
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Area of Science:

  • Hepatology
  • Gastroenterology
  • Internal Medicine

Background:

  • Severe alcoholic steatohepatitis (ASH) presents with jaundice and liver failure, indicating a poor prognosis.
  • Prevalence is estimated at 20% in alcoholics undergoing liver biopsy; incidence remains unknown.
  • Diagnosis relies on elevated liver enzymes, bilirubin, neutrophil counts, impaired coagulation, and a history of heavy alcohol use, excluding other causes.

Purpose of the Study:

  • To outline the diagnostic criteria for severe alcoholic steatohepatitis.
  • To describe the complex pathophysiology of the disease.
  • To review current and potential treatment strategies for severe alcoholic steatohepatitis.

Main Methods:

  • Review of diagnostic indicators including laboratory tests (liver transaminases, bilirubin, coagulation) and clinical signs.
  • Analysis of prognostic scoring systems like Maddrey's discriminant function, MELD, and Glasgow Alcoholic Hepatitis Score.
  • Examination of the pathophysiological mechanisms involving gut-derived endotoxins, Kupffer cell activation, cytochrome P4502E1 induction, and oxidative stress.

Main Results:

  • Diagnostic criteria involve elevated liver enzymes, bilirubin, neutrophils, impaired coagulation, and a history of alcohol abuse, with histology being supportive but not essential.
  • Prognostic scores aid in assessing disease severity and guiding treatment decisions.
  • Pathophysiology is multifactorial, including fat accumulation, endotoxin influx, inflammation, oxidative stress, and endoplasmic reticulum stress.

Conclusions:

  • Effective management of severe alcoholic steatohepatitis requires abstinence from alcohol, nutritional support, and pharmacological interventions such as corticosteroids.
  • The potential role of liver transplantation for select patients with severe ASH is under ongoing investigation.
  • Understanding the pathophysiology is key to developing targeted therapies for this debilitating liver condition.