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Related Concept Videos

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: 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...
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...
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...
Liver Physiology01:30

Liver Physiology

The liver, an essential organ in the human body, performs over 200 vital functions that can be broadly categorized into metabolic, hematological, endocrine regulation, and bile production.
Metabolic Regulation:
The liver is the central organ involved in regulating blood composition. It stabilizes blood glucose levels, maintaining them within the range of  70–110 mg/dL. When these levels drop, the liver breaks down glycogen reserves and releases glucose into the bloodstream. It can also...

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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

Acute liver failure.

N Thao T Nguyen1, John M Vierling

  • 1Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Texas 77030, USA.

Current Opinion in Organ Transplantation
|April 27, 2011
PubMed
Summary
This summary is machine-generated.

Acute liver failure (ALF) research has advanced understanding of causes, prognosis, and transplantation outcomes. However, effective medical therapies are still lacking, highlighting the need for new treatment strategies.

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Cell Type-specific Gene Expression Profiling in the Mouse Liver
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Last Updated: Jun 2, 2026

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

Heterotopic Auxiliary Rat Liver Transplantation With Flow-regulated Portal Vein Arterialization in Acute Hepatic Failure
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Area of Science:

  • Hepatology and Transplant Surgery
  • Clinical Research in Acute Liver Failure (ALF)

Background:

  • Acute liver failure (ALF) presents a significant clinical challenge in both pediatric and adult populations.
  • Continuous clinical investigations aim to improve the diagnosis and treatment of ALF patients.

Purpose of the Study:

  • To review and summarize key clinical research advancements in ALF from 2009-2010.
  • To provide relevant insights for hepatologists and transplant surgeons managing critically ill ALF patients.

Main Methods:

  • Review of clinical investigations and research published between 2009 and 2010.
  • Focus on studies pertinent to the care of acute liver failure patients.

Main Results:

  • Significant progress in characterizing ALF causes, epidemiology, and genetic susceptibility.
  • Improved assessment of prognosis for medical therapy survival and long-term outcomes post-transplantation.
  • Publication of results from large randomized, placebo-controlled therapeutic trials.

Conclusions:

  • ALF continues to be a major cause of mortality due to the lack of curative medical therapies.
  • Liver transplantation remains the only reliably life-saving intervention for ALF.
  • Urgent need for enhanced understanding of ALF pathogenesis, genetic factors, and prognostic indicators to develop novel therapeutic strategies.