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The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
Published on: February 28, 2012
Non-Vitamin K Antagonist Oral Anticoagulants in Atrial Fibrillation
Anna Plitt1, Christian T Ruff2, Robert P Giugliano2
1Department of Internal Medicine, Mount Sinai Hospital, One Gustave L. Levy Place, New York, NY 10029-6574, USA.
Insights
Non-VKA oral anticoagulants (NOACs) offer an alternative to warfarin for atrial fibrillation (AF) patients. This review covers NOAC properties, trials, special populations, and bleeding management strategies.
Area of Science:
- Cardiology
- Pharmacology
- Internal Medicine
Background:
- Vitamin K antagonists (VKAs) have been the long-standing standard for atrial fibrillation (AF) treatment.
- Limitations of VKAs necessitate alternative therapies for thromboembolism prevention.
Purpose of the Study:
- To provide an overview of atrial fibrillation (AF).
- To summarize the properties of non-VKA oral anticoagulants (NOACs).
- To review landmark clinical trials and expert recommendations on NOACs.
Main Methods:
- Literature review of landmark trials and expert opinions.
- Synthesis of data on NOAC properties and clinical applications.
- Analysis of NOAC use in special populations and clinical scenarios.
Main Results:
- Four NOACs are approved for preventing thromboembolism in nonvalvular AF.
- NOACs present distinct properties and efficacy profiles compared to VKAs.
- Data on NOACs in special populations and clinical scenarios are presented.
Conclusions:
- NOACs represent a significant advancement in anticoagulation for AF.
- Expert recommendations address bleeding management and reversal strategies for NOACs.
- Further research and clinical experience will refine NOAC utilization in diverse patient groups.
Abstract:
For more than 50 years, vitamin K antagonists (VKAs) have been the standard of care for treatment of atrial fibrillation (AF). However, the numerous limitations of VKAs have led to the development of non-VKA oral anticoagulants (NOACs). There are 4 NOACs currently approved for prevention of thromboembolism in patients with nonvalvular AF. This article provides an overview of AF, summarizes basic properties of NOACs, and reviews the landmark trials. Current data on use of NOACs in special populations and specific clinical scenarios are also presented. Lastly, recommendations from experts on controversial topics of bleeding management and reversal are described.
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