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Updated: Jun 2, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
An overview of stroke and the impact of atrial fibrillation
1Harvard Medical School, Harvard University, Division of Cardiology and Brigham and Women's Hospital, Boston, MA, USA.
Insights
Atrial fibrillation (AF) increases stroke risk significantly. Improved anticoagulation therapy for AF patients can substantially reduce stroke incidence and healthcare burden.
Area of Science:
- Cardiology
- Neurology
- Public Health
Background:
- Stroke is a leading cause of death and significant healthcare burden in the US.
- Atrial fibrillation (AF) is a major modifiable risk factor for stroke.
- Current stroke prevention measures, like vitamin K antagonists, are underused due to practical challenges.
Purpose of the Study:
- To highlight the need for improved anticoagulation strategies in patients with atrial fibrillation.
- To emphasize the potential of effective anticoagulation in reducing stroke burden.
Main Methods:
- Review of existing literature on stroke risk factors and anticoagulation therapies.
- Analysis of the impact of atrial fibrillation on stroke incidence.
- Evaluation of current challenges in anticoagulation management.
Main Results:
- Atrial fibrillation significantly elevates stroke risk.
- Antithrombotic therapy can substantially reduce AF-related stroke risk.
- Existing anticoagulants (e.g., vitamin K antagonists) face challenges in adherence and monitoring.
Conclusions:
- There is a critical need for anticoagulants with a wider therapeutic range and simpler monitoring.
- Enhanced use of long-term anticoagulation in AF patients can significantly decrease stroke incidence and associated healthcare costs.
Abstract:
As the third-leading cause of death in the United States, stroke has a very significant impact on patients and the total healthcare burden. Many factors that increase the risk of stroke are modifiable, and changes in these factors can provide effective avenues toward significantly reducing the incidence of stroke. Atrial fibrillation (AF) is one such risk factor; it is strongly associated with an elevation of stroke risk that can be greatly diminished using antithrombotic therapy. However, currently recommended prevention measures, particularly oral vitamin K antagonists, are underused due to difficulties associated with their use. There is an evident need for oral anticoagulant drugs with a wide therapeutic range, which do not require international normalized ratio monitoring and have a safe bleeding profile. By targeting patients with AF for stroke prevention treatment through greater use of long-term anticoagulation therapy, the burden of stroke can be substantially reduced.
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