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Related Concept Videos

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...
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...
Extrinsic and Intrinsic Pathways of Hemostasis01:20

Extrinsic and Intrinsic Pathways of Hemostasis

Blood clotting or coagulation involves extrinsic and intrinsic pathways, which ultimately merge into the common pathway, forming a fibrin clot.
The Extrinsic Pathway
The extrinsic pathway of coagulation is typically initiated by tissue damage that exposes blood to tissue factor (TF), a protein released by the damaged tissue cells outside the blood vessels—this interaction with TF triggers biochemical reactions involving specific clotting factors. The key player here is Factor VII, which forms a...
Coagulation01:09

Coagulation

The coagulation phase is a critical part of the body's process to prevent blood loss following injury to blood vessels. It involves chemical reactions that form a clot to seal the injured area. The clotting process begins shortly after injury, within 15-20 seconds for severe damage and 1-2 minutes for minor injuries.
During the coagulation phase, clotting factors, or procoagulants, play a vital role in initiating and progressing the coagulation cascade. This cascade is a series of reactions...
Coagulation01:06

Coagulation

Colloidal solids are solid particles suspended in solution. They are usually negatively charged, attracting a compact primary layer of positively charged ions, which attract more counterions to form an electrical double layer. Electrostatic repulsion between the charged double layers prevents the particles from colliding, stabilizing the colloids. These solids are often undesirable because they can contain toxins that are difficult to remove. Coagulation is a technique that helps aggregate and...
Disorders of Hemostasis01:24

Disorders of Hemostasis

Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.

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Related Experiment Video

Updated: May 14, 2026

Assessment of Plasma Coagulation on Liver Tissue in a Large Animal Model In Vivo
06:23

Assessment of Plasma Coagulation on Liver Tissue in a Large Animal Model In Vivo

Published on: August 4, 2018

Coagulation pattern in critical liver dysfunction.

Eva Schaden1, Fuat H Saner, Klaus Goerlinger

  • 1Department of Anesthesiology, General Intensive Care and Pain Control Medical University of Vienna, Austria. eva.schaden@meduniwien.ac.at

Current Opinion in Critical Care
|February 13, 2013
PubMed
Summary
This summary is machine-generated.

Liver dysfunction complicates coagulation, posing risks for both bleeding and thrombosis. Standard tests like INR are unreliable; advanced assays reveal hypercoagulability, necessitating targeted interventions for critical bleeding and thromboprophylaxis.

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Last Updated: May 14, 2026

Assessment of Plasma Coagulation on Liver Tissue in a Large Animal Model In Vivo
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Published on: June 9, 2023

Area of Science:

  • Hepatology
  • Hematology
  • Critical Care Medicine

Background:

  • Liver dysfunction significantly impacts patient hemostasis.
  • Coagulopathy in liver disease is complex, presenting diagnostic challenges.

Purpose of the Study:

  • To review the pathophysiology, diagnostics, bleeding management, and thromboprophylaxis in liver dysfunction.
  • To clarify the hemostatic status in patients with acute and chronic liver dysfunction.

Main Methods:

  • Literature review of current research on liver dysfunction and coagulation.
  • Analysis of diagnostic tools including routine coagulation tests, thrombin generation assays, and viscoelastic tests.

Main Results:

  • Routine coagulation tests (e.g., INR) are insufficient to assess bleeding or thrombotic risk in liver dysfunction.
  • Advanced assays indicate that patients with liver dysfunction are often hypercoagulable, not 'autoanticoagulated'.
  • Prophylactic transfusion of plasma or platelets based solely on lab values is inappropriate.

Conclusions:

  • Coagulopathy in critical liver dysfunction is complex, with risks of both bleeding and thrombosis.
  • Interventions should target clinically significant bleeding.
  • Thromboprophylaxis is strongly recommended for at-risk patients.