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Related Concept Videos

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 I: Introduction01:24

Chronic Pancreatitis I: Introduction

The pancreas, an elongated and flat gland situated behind the stomach, serves a vital function in digesting food and managing blood sugar levels.
Pancreatitis is the inflammation of the pancreas, which occurs when the immune system becomes active and causes swelling, pain, and disruptions in organ function. Pancreatitis can manifest as either an acute or chronic condition.
Acute pancreatitis arises suddenly and lasts for a brief duration, while chronic pancreatitis is a long-term affliction...
Chronic Pancreatitis I: Introduction01:25

Chronic Pancreatitis I: Introduction

Chronic pancreatitis is a long-standing, relapsing inflammation of the pancreas, characterized by irreversible damage to the gland. It results in progressive destruction of the pancreatic parenchyma, fibrosis, and eventual loss of both exocrine and endocrine function. The disease may evolve gradually after multiple episodes of acute pancreatitis or develop independently.EtiologyChronic pancreatitis can arise from a variety of causes:Alcohol use is the leading cause, accounting for 70–80% of...
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...
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...
Effect of Hepatic Disease on Pharmacokinetics: Drug Dosing and Hepatic Blood Flow01:26

Effect of Hepatic Disease on Pharmacokinetics: Drug Dosing and Hepatic Blood Flow

Chronic liver disease significantly impacts drug metabolism due to alterations in hepatic blood flow and enzyme accessibility. This disruption affects the body's pharmacokinetics—the movement and processing of drugs within the system. Key enzymes crucial for metabolizing medications become less accessible, changing how drugs are processed and utilized. Furthermore, liver disease influences the synthesis of plasma proteins, such as albumin and globulins, which play critical roles in drug binding...

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Related Experiment Video

Updated: Jul 6, 2026

The Murine Choline-Deficient, Ethionine-Supplemented (CDE) Diet Model of Chronic Liver Injury
07:27

The Murine Choline-Deficient, Ethionine-Supplemented (CDE) Diet Model of Chronic Liver Injury

Published on: October 21, 2017

[Etiology of chronic diffuse liver damages].

I N Nikushkina, I V Maev, A A Samsonov

    Eksperimental'Naia I Klinicheskaia Gastroenterologiia = Experimental & Clinical Gastroenterology
    |April 9, 2008
    PubMed
    Summary

    Chronic hepatitis patients with combined viral and alcoholic liver damage progress to cirrhosis more frequently. Hepatitis C virus infection does not significantly alter outcomes in patients with alcoholic liver cirrhosis.

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    Generation of a Rat Model of Acute Liver Failure by Combining 70% Partial Hepatectomy and Acetaminophen
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    Generation of a Rat Model of Acute Liver Failure by Combining 70% Partial Hepatectomy and Acetaminophen

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    The Murine Choline-Deficient, Ethionine-Supplemented (CDE) Diet Model of Chronic Liver Injury
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    Published on: October 21, 2017

    Bile Duct Ligation in Mice: Induction of Inflammatory Liver Injury and Fibrosis by Obstructive Cholestasis
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    Published on: February 10, 2015

    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:

    • Hepatology
    • Viral Hepatitis
    • Alcoholic Liver Disease

    Context:

    • Chronic diffuse liver damage presents complex etiological factors.
    • Distinguishing between viral and alcoholic liver disease is crucial for understanding progression.
    • Cirrhosis development is a significant concern in chronic liver conditions.

    Purpose:

    • To investigate the comparative risk of cirrhosis development in chronic hepatitis based on viral versus alcoholic etiology.
    • To assess the impact of hepatitis C virus (HCV) infection on the prognosis of patients with alcoholic liver cirrhosis.

    Summary:

    • Patients with chronic hepatitis showing a mix of viral and alcoholic liver damage progress to cirrhosis 2.1 times more often than those with other etiologies.
    • Purely viral chronic hepatitis significantly increases cirrhosis risk (3 times) compared to mixed or other causes.
    • Hepatitis C virus (HCV) coinfection does not substantially affect the disease course, complications, or prognosis in patients already diagnosed with alcoholic liver cirrhosis.

    Impact:

    • Findings highlight the heightened cirrhosis risk associated with combined or predominantly viral liver damage.
    • Understanding etiological contributions aids in risk stratification and patient management for chronic liver disease.
    • The study clarifies that HCV does not worsen outcomes in established alcoholic liver cirrhosis, simplifying prognostic assessment.