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Published on: February 28, 2012
Drug Therapies for Stroke Prevention in Atrial Fibrillation: An Historical Perspective
1Division of Cardiovascular Medicine, University Hospitals Case Medical Center, 11100 Euclid Avenue, MS LKS 5038, Room 3080, Cleveland, OH 44106, USA.
Insights
Oral anticoagulants effectively prevent stroke in atrial fibrillation patients. While new options exist, warfarin remains a cost-effective choice, and aspirin
Area of Science:
- Cardiology
- Pharmacology
Background:
- Atrial fibrillation (AF) poses a significant risk for stroke and systemic embolism.
- Oral anticoagulants are crucial for managing this risk in high-risk AF patients.
Purpose of the Study:
- To review the efficacy and safety of various oral anticoagulants.
- To guide drug selection for stroke prevention in atrial fibrillation.
Main Methods:
- Review of existing literature on oral anticoagulants.
- Comparative analysis of warfarin and newer oral anticoagulants.
- Assessment of aspirin's role in AF management.
Main Results:
- Oral anticoagulants demonstrate high efficacy and acceptable safety profiles.
- Newer oral anticoagulants offer advantages over warfarin but warfarin remains a viable, inexpensive option.
- Aspirin's efficacy in this context is questionable and largely unsupported by guidelines.
Conclusions:
- Individualized drug selection is paramount for oral anticoagulation in AF.
- Well-managed warfarin is a cost-effective and acceptable treatment.
- The role of aspirin in preventing AF-related thromboembolism is minimal.
Abstract:
Oral anticoagulants are effective in minimizing stroke and systemic embolism in patients with atrial fibrillation at risk. All have a high degree of efficacy and acceptable safety records. Drug selection should be made on an individual basis. The most important thing is to make the selection. There are many factors to consider in the selection of oral anticoagulants. The new oral anticoagulants offer a measure of improvement over the many limits of warfarin; however, well-managed warfarin is an acceptable and inexpensive option. The efficacy of aspirin is questionable at best, deserving its almost complete disappearance from the guidelines.
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