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The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
Published on: February 28, 2012
Antithrombotic treatment in patients with atrial fibrillation as a risk factor of stroke
Momen Yaghy1, J Murin, M Pernicky
11st Department of Internal Medicine, Faculty of Medicine, University Hospital, Comenius University, Bratislava, Slovakia.
Insights
Atrial fibrillation (AF) significantly increases stroke risk, but warfarin effectively reduces this risk. High-quality anticoagulation management is achievable in standard clinical practice.
Area of Science:
- Cardiology
- Epidemiology
- Public Health
Background:
- Atrial fibrillation (AF) is a major risk factor for stroke, primarily via atrio-embolic mechanisms.
- Decades of research provide insights into AF risks and prevention strategies.
Purpose of the Study:
- To review the established risks and prevention of atrial fibrillation (AF).
- To discuss the efficacy and safety of oral anticoagulants in preventing AF-related stroke.
- To highlight implications for patient care and public health.
Main Methods:
- Review of epidemiologic studies and randomized trials on atrial fibrillation.
- Analysis of data on the effectiveness of oral anticoagulants (e.g., warfarin) targeting a specific INR.
- Assessment of anticoagulation management in routine clinical settings.
Main Results:
- Warfarin and similar oral anticoagulants effectively mitigate stroke risk in AF patients.
- High-quality anticoagulation management is feasible in standard clinical practice.
- Established insights have significant implications for individual patient care and public health.
Conclusions:
- Oral anticoagulation is a cornerstone in preventing AF-related strokes.
- Further research is needed to refine stroke and hemorrhage risk stratification, especially in older adults.
- Optimizing antithrombotic therapy and exploring novel approaches are crucial for future AF management.
Abstract:
For over two decades, valuable insights have been accumulated from epidemiologic studies and randomized trials about the risks and prevention of atrial fibrillation. Atrial fibrillation (AF) substantially raises the risk of stroke, most likely through an atrio-embolic mechanism. Warfarin and other members of its class of oral anticoagulants targeted at an international normalized ratio (INR) of 2.5 can abrogate the risk of stroke attributable to AF effectively and fairly safely. High-quality management of anticoagulation can be achieved in usual clinical care. These insights have important implications for the care of individual patients and more generally for public health. Future research is needed to specify the risk of stroke and hemorrhage among patients with AF better, particularly among older individuals, to optimize use of antithrombotic agents, and to define the role of recently developed antithrombotic drugs and invasive nondrug approaches (Tab. 3, Ref. 20). Full Text (Free, PDF) www.bmj.sk.
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