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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...
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...
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...
Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors01:20

Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors

Antiplatelet drugs emerge as frontline defenders against the insidious threat of thromboembolic diseases, where abnormal clots obstruct vital blood vessels. These drugs stand as bulwarks, inhibiting platelet aggregation and clot formation, thereby mitigating the risk of life-threatening conditions like myocardial infarction, coronary artery disease, and thrombotic strokes.
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

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Venous Thrombosis IV: Nursing Management

Nursing management begins with a thorough assessment of the patient's health history. Key factors include trauma to veins, peripherally inserted central catheters, varicose veins, recent pregnancy or childbirth, surgery, bacteremia, prolonged bed rest, atrial fibrillation, COPD, heart failure, cancer, coagulation disorders, myocardial infarction, spinal cord injury, stroke, prolonged travel, recent bone fractures, and dehydration. Review medication intake, particularly oral contraceptives,...

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Updated: Jun 10, 2026

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
23:33

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation

Published on: February 28, 2012

Optimizing use of current anticoagulants.

Daniel M Witt1

  • 1Clinical Pharmacy Services & Research, Department of Pharmacy, Kaiser Permanente Colorado, Aurora, CO 80011, USA. dan.m.witt@kp.org

Hematology/Oncology Clinics of North America
|July 28, 2010
PubMed
Summary
This summary is machine-generated.

Warfarin remains a cost-effective oral anticoagulant for thromboembolic disease management. Optimizing its use offers similar outcomes to newer agents at a lower cost, despite ongoing research into novel anticoagulants.

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Rapid Point-of-Care Assay of Enoxaparin Anticoagulant Efficacy in Whole Blood
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Rapid Point-of-Care Assay of Enoxaparin Anticoagulant Efficacy in Whole Blood

Published on: October 12, 2012

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Last Updated: Jun 10, 2026

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
23:33

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation

Published on: February 28, 2012

Rapid Point-of-Care Assay of Enoxaparin Anticoagulant Efficacy in Whole Blood
11:17

Rapid Point-of-Care Assay of Enoxaparin Anticoagulant Efficacy in Whole Blood

Published on: October 12, 2012

Area of Science:

  • Pharmacology
  • Cardiovascular Medicine
  • Thrombosis Management

Background:

  • Warfarin has been a primary oral anticoagulant for decades.
  • Evidence-based methods to enhance warfarin therapy quality are underutilized.
  • Newer oral anticoagulants offer convenience but require long-term safety and efficacy evaluation and are more expensive.

Purpose of the Study:

  • To examine methods for optimizing the clinical use of warfarin.
  • To highlight warfarin's continued relevance in anticoagulation therapy.

Main Methods:

  • Review of existing literature on warfarin therapy optimization.
  • Analysis of comparative cost-effectiveness and clinical outcomes.

Main Results:

  • Warfarin, when optimally managed, provides comparable clinical outcomes to newer anticoagulants.
  • Optimized warfarin therapy is significantly more cost-effective than newer alternatives.

Conclusions:

  • For patients achieving stable anticoagulation, warfarin is a valuable therapeutic option.
  • Warfarin offers substantial cost savings to the healthcare system compared to newer anticoagulants.