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Related Concept Videos

Hepatic Encephalopathy01:29

Hepatic Encephalopathy

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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...
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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

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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...
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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

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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...
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Cirrhosis I: Introduction01:23

Cirrhosis I: Introduction

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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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Cirrhosis II: Pathophysiology01:24

Cirrhosis II: Pathophysiology

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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...
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Acute Pancreatitis I: Introduction01:25

Acute Pancreatitis I: Introduction

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Acute pancreatitis is the sudden inflammation of the pancreas caused by the early activation of digestive enzymes, leading to the autodigestion of pancreatic tissue. This results in local inflammation and, in severe cases, systemic complications.EtiologyUnderstanding the underlying causes is crucial, as identifying the etiology guides treatment and anticipates complications. Acute pancreatitis can be triggered by various factors, typically grouped into the following clinical categories.Biliary...
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Related Experiment Video

Updated: Apr 27, 2026

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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Acute-on-chronic liver failure.

Sumeet K Asrani1, Jacqueline G O'Leary2

  • 1Division of Hepatology, Baylor University Medical Center, 3410 Worth Street, Suite 860, Dallas, TX 75246, USA.

Clinics in Liver Disease
|July 15, 2014
PubMed
Summary
This summary is machine-generated.

Acute-on-chronic liver failure (ACLF) presents a critical pathway in cirrhosis, impacting liver transplant waiting lists and outcomes. This review defines ACLF

Keywords:
Acute liver failureAcute-on-chronic liver failureCirrhosisLiver transplantationOrgan failure

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Area of Science:

  • Hepatology
  • Transplantation Medicine
  • Critical Care Medicine

Background:

  • The Model for End-Stage Liver Disease (MELD) score is a key predictor for cirrhosis progression.
  • Acute-on-chronic liver failure (ACLF) represents a distinct clinical entity in chronic liver disease.
  • ACLF is characterized by acute liver function deterioration, organ failure, and high mortality.

Purpose of the Study:

  • To review the natural course of patients with ACLF.
  • To examine the implications of ACLF for cirrhotic patients on liver transplant waiting lists.
  • To define the impact of ACLF on liver transplantation outcomes.

Main Methods:

  • Literature review of studies on ACLF and liver transplantation.
  • Analysis of patient outcomes in relation to ACLF.
  • Synthesis of current understanding of ACLF pathophysiology and clinical management.

Main Results:

  • ACLF significantly alters the natural history of cirrhosis.
  • ACLF complicates the management and increases mortality risk for patients awaiting liver transplantation.
  • Early identification and management of ACLF are crucial for improving transplant outcomes.

Conclusions:

  • ACLF represents a critical determinant of prognosis in advanced liver disease.
  • Understanding ACLF is essential for optimizing liver transplant candidate selection and management.
  • Further research is needed to refine ACLF definitions and therapeutic strategies.