Related Experiment Video

Updated: Aug 15, 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

Importance of anticoagulant proteins in chronic liver diseases

Sebnem Gürsoy1, Mevlüt Başkol, Edip Torun

  • 1Department of Gastroenterology, School of Medicine, Erciyes University, Kayseri, Turkey. sgursoy@erciyes.edu.tr

The Turkish Journal of Gastroenterology : the Official Journal of Turkish Society of Gastroenterology
|October 26, 2005
PubMed

Insights

Antithrombin levels may indicate early liver damage in chronic active hepatitis. In cirrhosis, protein C, antithrombin, and D-dimer can assess disease severity and decompensation risk.

Area of Science:

  • Hepatology
  • Hematology
  • Biochemistry

Background:

  • Chronic liver disease, including cirrhosis and chronic active hepatitis, affects coagulation.
  • Anticoagulant proteins play a crucial role in maintaining hemostasis.
  • Understanding their levels can provide insights into disease progression.

Purpose of the Study:

  • To investigate the significance of anticoagulant proteins in chronic liver disease.
  • To explore their potential as biomarkers for disease severity.
  • To correlate protein levels with liver function and damage.

Main Methods:

  • Study included 35 cirrhosis patients, 15 chronic active hepatitis patients, and 10 healthy controls.
  • Measured protein C, protein S, antithrombin, D-dimer, and thrombin time.
  • Classified patients based on Child-Pugh score and disease activity.

Main Results:

  • Cirrhotics showed decreased protein C, S, antithrombin, and increased D-dimer compared to controls.
  • Protein C and antithrombin levels differed significantly in Child B and C patients.
  • Chronic active hepatitis patients had low antithrombin levels, while other factors were normal.

Conclusions:

  • Antithrombin may serve as an early marker for hepatocellular damage in chronic active hepatitis.
  • Protein C and antithrombin are useful for assessing liver damage in cirrhotics.
  • D-dimer levels may predict decompensation in cirrhosis.
Abstract

Related Concept Videos

Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

Anticoagulant Drugs: Low-Molecular-Weight Heparins

Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
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...
Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants01:18

Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants

Oral anticoagulants are vital tools in preventing and treating blood clotting disorders. This diverse class of medications can be categorized as vitamin K antagonists, exemplified by warfarin, and direct thrombin inhibitors (DTIs), such as dabigatran, as well as factor Xa inhibitors, including rivaroxaban.
Warfarin, a prominent vitamin K antagonist family member, exerts its effect by inhibiting the enzyme VKORC1 (vitamin K epoxide reductase complex 1). By hindering this enzyme, warfarin...
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.
Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
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...