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[Anticoagulation-direct oral anticoagulants].

B Kemkes-Matthes1

  • 1Interdisziplinärer Schwerpunkt für Hämostaseologie, Universitätsklinikum Gießen und Marburg GmbH, Langhansstr. 2, 35392, Gießen, Deutschland. bettina.kemkes-matthes@innere.med.uni-giessen.de.

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|May 25, 2017
PubMed
Summary

Direct oral anticoagulants (DOACs) offer safer, easier anticoagulation for atrial fibrillation and thromboembolic diseases. Correct dosing is crucial to maximize benefits and minimize risks, with specific patient groups requiring dose adjustments or contraindications.

Keywords:
AnticoagulationAtrial fibrillationDOACNOACThrombosis

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Area of Science:

  • Pharmacology
  • Cardiology
  • Internal Medicine

Background:

  • Direct oral anticoagulants (DOACs) have revolutionized anticoagulation therapy.
  • They offer advantages over vitamin K antagonists, including fixed dosing and reduced monitoring.
  • DOACs are associated with a lower risk of severe bleeding, particularly intracranial hemorrhages.

Purpose of the Study:

  • To highlight the benefits and proper usage of DOACs.
  • To emphasize the importance of correct DOAC dosage for patient safety and treatment efficacy.
  • To outline contraindications and management strategies for DOAC-related complications.

Main Methods:

  • Review of current literature on DOACs.
  • Analysis of DOAC pharmacokinetics and pharmacodynamics.
  • Examination of clinical guidelines for DOAC use and management.

Main Results:

  • DOACs provide consistent bioavailability, enabling fixed-dose regimens without routine monitoring.
  • Severe bleeding complications, especially intracranial hemorrhages, are significantly rarer with DOACs compared to vitamin K antagonists.
  • Dose adjustments are necessary based on patient-specific factors like renal function, body weight, and underlying conditions.

Conclusions:

  • DOACs represent a significant advancement in anticoagulation, offering improved safety and convenience.
  • Appropriate patient selection and precise dosing are paramount to achieving optimal therapeutic outcomes.
  • Specific populations, including those with artificial heart valves, pregnant women, and children, should not use DOACs. Management of bleeding events may involve prothrombin complex concentrates or specific antidotes like idarucizumab for dabigatran.