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Related Concept Videos

Diseases of the Liver and Gallbladder01:26

Diseases of the Liver and Gallbladder

Liver and gallbladder diseases are a significant health concern, with prominent conditions including cirrhosis, hepatitis, non-alcoholic fatty liver disease (NAFLD), and gallstones. Jaundice is a common manifestation of liver and biliary disease.
Cirrhosis is characterized by the scarring of hepatic lobules in the liver, which are replaced by fibrous tissue, affecting the liver's normal functioning. NAFLD, on the other hand, is caused by an excessive build-up of fat in the liver, not related to...
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...
Cirrhosis II: Pathophysiology01:24

Cirrhosis II: Pathophysiology

Cirrhosis is a progressive chronic liver injury caused by prolonged inflammation, excessive fibrotic remodeling, and impaired regeneration. Over time, repeated hepatic insults disrupt the liver’s architecture and function, leading to reduced blood flow, impaired bile drainage, and diminished metabolic capacity.Pathophysiology of cirrhosisCirrhosis arises from three main responses to chronic liver damage: inflammation, immune activation, and hepatocyte death. These processes lead to structural...
Chronic Pancreatitis II: Pathophysiology01:21

Chronic Pancreatitis II: Pathophysiology

Chronic pancreatitis is a progressive and irreversible inflammation of the pancreas, most often caused by long-term alcohol abuse, but it can also be related to ductal obstruction, smoking, or genetic factors.Chronic pancreatitis occurs when the pancreas is repeatedly exposed to harmful agents like alcohol, smoking, ductal obstruction, or genetic predisposition. These factors lead to the release of toxic metabolites and inflammatory cytokines, sustaining chronic inflammation in the pancreatic...
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...

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Related Experiment Video

Updated: Jun 21, 2026

Histological Analyses of Acute Alcoholic Liver Injury in Zebrafish
10:45

Histological Analyses of Acute Alcoholic Liver Injury in Zebrafish

Published on: May 25, 2017

Alcoholic liver disease.

R Brůha1, K Dvorák, M Dousa

  • 1Charles University in Prague, First Faculty of Medicine, 4th Department of Internal Medicine, Prague, Czech Republic. bruha@cesnet.cz

Prague Medical Report
|August 7, 2009
PubMed
Summary
This summary is machine-generated.

Chronic alcohol consumption significantly damages the liver, leading to conditions like cirrhosis and alcoholic hepatitis. Abstinence is crucial for treatment, with transplantation offering improved survival for eligible cirrhotic patients.

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Development of an Ethanol-induced Fibrotic Liver Model in Zebrafish to Study Progenitor Cell-mediated Hepatocyte Regeneration
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Development of an Ethanol-induced Fibrotic Liver Model in Zebrafish to Study Progenitor Cell-mediated Hepatocyte Regeneration

Published on: May 13, 2016

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Last Updated: Jun 21, 2026

Histological Analyses of Acute Alcoholic Liver Injury in Zebrafish
10:45

Histological Analyses of Acute Alcoholic Liver Injury in Zebrafish

Published on: May 25, 2017

Development of an Ethanol-induced Fibrotic Liver Model in Zebrafish to Study Progenitor Cell-mediated Hepatocyte Regeneration
10:42

Development of an Ethanol-induced Fibrotic Liver Model in Zebrafish to Study Progenitor Cell-mediated Hepatocyte Regeneration

Published on: May 13, 2016

Area of Science:

  • Hepatology
  • Toxicology
  • Internal Medicine

Background:

  • Chronic alcohol intake is a leading cause of liver damage globally.
  • Alcoholic liver disease encompasses a spectrum from steatosis to cirrhosis, impacting mortality rates.
  • A daily intake of 30g of pure alcohol is considered a threshold for potential harm.

Purpose of the Study:

  • To outline the spectrum of alcoholic liver disease and its clinical implications.
  • To emphasize the critical role of abstinence in managing alcoholic liver disease.
  • To discuss treatment options and prognosis for different stages of the disease.

Main Methods:

  • Review of existing literature on alcoholic liver disease.
  • Clinical observation of patient outcomes based on alcohol consumption and disease stage.
  • Analysis of treatment efficacy for alcoholic hepatitis and cirrhosis.

Main Results:

  • Alcoholic liver disease progresses through stages: steatosis, steato-hepatitis, fibrosis, and cirrhosis.
  • Cirrhosis significantly shortens life expectancy, with median survival of 1-2 years in advanced stages.
  • Severe alcoholic hepatitis carries a mortality rate of up to 50%.

Conclusions:

  • Absolute alcohol abstinence is essential for managing alcoholic liver disease.
  • Supportive therapies are primary, with corticosteroids indicated for severe alcoholic hepatitis.
  • Liver transplantation can markedly prolong life expectancy in abstinent cirrhotic patients.