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Related Concept Videos

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...
Effect of Hepatic Disease on Pharmacokinetics: Dose Adjustments Due to Hepatic Impairment01:08

Effect of Hepatic Disease on Pharmacokinetics: Dose Adjustments Due to Hepatic Impairment

Hepatic impairment, characterized by decreased liver function, does not uniformly mandate adjustments in drug dosage. Whether dosage modifications are necessary depends on various factors related to the drug's metabolism and elimination pathways. If a drug is primarily excreted via the kidneys and bypasses significant hepatic processing, if it undergoes minimal metabolic transformation in the liver, or if it is volatile and primarily expelled through the lungs, dose adjustments may not be...
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: Active Drug, Metabolite and Fraction of Metabolized Drug01:14

Effect of Hepatic Disease on Pharmacokinetics: Active Drug, Metabolite and Fraction of Metabolized Drug

In pharmacotherapy, monitoring drug concentrations is paramount, especially for drugs whose therapeutic effects hinge on both the active compound and its metabolite. Hepatic impairment profoundly influences drug potency by altering liver function. If the drug is more potent than its metabolite, impaired liver function amplifies drug activity due to elevated drug concentration levels. Conversely, if the metabolite holds greater potency, diminished liver function diminishes drug activity by...
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...
Hepatic Drug Excretion: Influencing Factors01:16

Hepatic Drug Excretion: Influencing Factors

The biliary system of the liver, crucial for bile secretion and drug excretion, comprises intrahepatic bile ducts that merge to form the common hepatic duct. This duct, carrying hepatic bile, combines with the cystic duct, draining the gallbladder and forming the common bile duct, which empties into the duodenum. Bile, produced by hepatic cells lining the bile canaliculi, is composed primarily of water, bile salts, pigments, electrolytes, and lesser amounts of cholesterol and fatty acids. Bile...

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Related Experiment Video

Updated: May 31, 2026

Human Liver Microphysiological System for Assessing Drug-Induced Liver Toxicity In Vitro
11:06

Human Liver Microphysiological System for Assessing Drug-Induced Liver Toxicity In Vitro

Published on: January 31, 2022

Hepatic dysfunction.

Kelly W McCord1, Craig B Webb

  • 1Small Animal Internal Medicine, Department of Clinical Sciences, James L. Voss Veterinary Teaching Hospital, Colorado State University, 300 West Drake Road, Fort Collins, CO 80523, USA. vetmedguy@yahoo.com

The Veterinary Clinics of North America. Small Animal Practice
|July 16, 2011
PubMed
Summary
This summary is machine-generated.

This review covers liver dysfunction, its systemic effects, and diagnostic/treatment strategies. It highlights the liver

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An Intestine/Liver Microphysiological System for Drug Pharmacokinetic and Toxicological Assessment
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An Intestine/Liver Microphysiological System for Drug Pharmacokinetic and Toxicological Assessment

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Last Updated: May 31, 2026

Human Liver Microphysiological System for Assessing Drug-Induced Liver Toxicity In Vitro
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Human Liver Microphysiological System for Assessing Drug-Induced Liver Toxicity In Vitro

Published on: January 31, 2022

An Intestine/Liver Microphysiological System for Drug Pharmacokinetic and Toxicological Assessment
08:59

An Intestine/Liver Microphysiological System for Drug Pharmacokinetic and Toxicological Assessment

Published on: December 3, 2020

Area of Science:

  • Hepatology
  • Internal Medicine
  • Systemic Physiology

Background:

  • Hepatic dysfunction is a critical condition with widespread health implications.
  • The liver's central role in maintaining systemic homeostasis is well-established.

Purpose of the Study:

  • To review the pathophysiology of hepatic dysfunction.
  • To outline diagnostic and treatment strategies for liver failure.
  • To emphasize the systemic nature of liver disease.

Main Methods:

  • Literature review of hepatic dysfunction pathophysiology.
  • Analysis of systemic consequences and organ interactions.
  • Summary of diagnostic tests and therapeutic approaches.

Main Results:

  • Common pathophysiological pathways of liver dysfunction identified.
  • Systemic effects and impact on other organs detailed.
  • Diagnostic and treatment options discussed.

Conclusions:

  • Hepatic dysfunction requires a holistic approach due to its systemic impact.
  • Effective management necessitates addressing the liver's role in overall homeostasis.
  • Liver failure impacts multiple organ systems, demanding integrated care.