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Updated: Jun 7, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
[Which patients with atrial fibrillation need anticoagulation?]
S Frtunic Despotovic1, S Siewe, A Keta
1Service de médecine de premier recours, Département de médecine communautaire et de premier recous, Genève. Sladjana.Frtunic-Despotovic@hcuge.ch
Insights
Atrial fibrillation increases stroke risk, necessitating preventative treatment. Balancing bleeding and clotting risks using tools like the CHADS2 score is crucial for effective patient management.
Area of Science:
- Cardiology
- Geriatric Medicine
- Pharmacology
Context:
- Atrial fibrillation (AF) is the most common cardiac arrhythmia, with prevalence rising with age.
- Thromboembolic events, particularly stroke, are severe complications of AF.
- Vitamin K antagonists (VKAs) are effective for preventing these events but carry bleeding risks.
Purpose:
- To highlight the importance of preventing thromboembolic events in atrial fibrillation patients.
- To emphasize the need to balance thromboembolic and bleeding risks.
- To introduce the CHADS2 score as a practical tool for stroke risk stratification.
Summary:
- Atrial fibrillation (AF) is a prevalent arrhythmia, increasing with age.
- Preventing stroke, a major complication of AF, is essential.
- Balancing thromboembolic and bleeding risks is critical, considering patient factors.
- The CHADS2 score aids in stratifying stroke risk for non-valvular AF patients.
Impact:
- Informs clinical practice regarding AF management strategies.
- Supports risk-benefit assessment for anticoagulant therapy.
- Promotes the use of validated scoring systems like CHADS2 for better patient outcomes.
Abstract:
Atrial fibrillation is the most frequent cardiac arrhythmia and its prevalence increases with age. It is essential to prevent the thromboembolic events, stroke in particular, considered as its most serious complication. Vitamin K antagonists are currently the most effective drugs to prevent them. However, despite their proven efficacy, they carry a risk of bleeding complications. Consequently, it is essential to balance individual thromboembolic risk with the hemorrhagic risk, taking into consideration age, cardiac diseases, hypertension, diabetes, history of cerebral vascular accident, history of hemorrhagic disease and also patient's compliance. The CHADS2 score is a stratification model for stroke risk in patients with non-valvular atrial fibrillation that is the easiest score to use in clinical practice and the most used one.
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