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Updated: Jun 6, 2026

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
Published on: February 28, 2012
[Novel anticoagulants for stroke prevention in atrial fibrillation]
M Baumhäkel1, S H Schirmer, M Böhm
1Klinik für Innere Medizin III, Universitätsklinikum des Saarlandes. magnus@baumhaekel.de
Insights
Atrial fibrillation increases stroke risk. New oral anticoagulants like Apixaban, Rivaroxaban, and Dabigatran offer promising alternatives to traditional therapies, with results from major trials now available.
Area of Science:
- Cardiology
- Pharmacology
Context:
- Atrial fibrillation (AF) is a leading cause of cardio-embolic stroke.
- Current thrombembolic event prophylaxis involves aspirin (ASS) or vitamin-K antagonists (VKAs).
- Traditional anticoagulants have limitations including narrow therapeutic ranges and variable patient responses.
Purpose:
- To review novel oral anticoagulants (NOACs) for stroke prevention in atrial fibrillation.
- To present the design and Phase III trial results for Apixaban, Rivaroxaban, and Dabigatran.
- To evaluate the efficacy and safety of these new agents.
Summary:
- This review examines Apixaban, Rivaroxaban, and Dabigatran, new oral anticoagulants targeting different pathways.
- It details the design and outcomes of pivotal Phase III trials: ARISTOTLE, ROCKET-AF, and RE-LY.
- Findings from these trials are crucial for understanding the potential of NOACs in AF management.
Impact:
- NOACs represent a potential therapeutic advancement for managing atrial fibrillation.
- Understanding trial data aids clinicians in selecting appropriate anticoagulation strategies.
- This review provides evidence-based insights into the evolving landscape of stroke prevention in AF.
Abstract:
The most frequent cardiac arrhythmia and main cause for cardio-embolic stroke is atrial fibrillation. Prophylaxis for thrombembolic events is performed regarding individual risk of patients with either ASS or vitamin-K-antagonists. Efficacy and safety of oral anticoagulation is limited by a narrow therapeutical range as well as by inter- and intraindividual variability of INR-values due to genetic disposition, differences in alimentation, dosage errors, rare control of INR-levels and drug-interactions. New oral anticoagulants with different mechanisms of action may be a promising therapeutic option in future. This review addresses the new anticoagulants Apixaban, Rivaroxban and Dabigatranetexilat with the design and as available the results of the corresponding phase-III-trials in atrial fibrillation (ARISTOTLE, ROCKET-AF, RE-LY).
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