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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...
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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.
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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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[Anticoagulation after heart valve replacement].

Frederik Voss1, Christoph Sucker2,3, Jens Litmathe4

  • 1Herzzentrum Trier/Abteilung für Rhythmologie, Krankenhaus der Barmherzigen Brüder, Nordallee 1, 54292, Trier, Deutschland. f.voss@bk-trier.de.

Wiener Medizinische Wochenschrift (1946)
|May 5, 2021
PubMed
Summary

Patients with mechanical heart valves require anticoagulation with vitamin K antagonists (VKA). Non-vitamin K antagonists (NOAC) are contraindicated, but this review covers anticoagulation for various valve replacements and clinical scenarios.

Keywords:
AnticoagulationReviewValve replacementWarfarin

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Area of Science:

  • Cardiology
  • Hematology
  • Pharmacology

Context:

  • Mechanical heart valve replacement necessitates lifelong anticoagulation to prevent thrombotic and thromboembolic events.
  • Current guidelines restrict oral anticoagulation in this population to vitamin K antagonists (VKA).
  • Non-vitamin K dependent oral anticoagulants (NOAC) are contraindicated in patients with mechanical heart valves.

Purpose:

  • To review current anticoagulation strategies for patients with mechanical heart valve replacement.
  • To discuss coagulation inhibition following bioprosthetic or percutaneous valve replacement.
  • To provide recommendations for antithrombotic medication in various clinical scenarios for patients with mechanical heart valves.

Summary:

  • This review focuses on anticoagulation management in patients with mechanical heart valves, emphasizing the exclusive role of VKAs.
  • It also addresses anticoagulation after bioprosthetic or percutaneous valve procedures.
  • Evidence-based recommendations for antithrombotic therapy in diverse clinical situations are presented.

Impact:

  • Provides critical guidance for clinicians managing anticoagulation in patients with prosthetic heart valves.
  • Highlights the limitations of NOACs in mechanical heart valve patients.
  • Aims to optimize antithrombotic strategies, reducing thromboembolic risks and improving patient outcomes.