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Updated: May 10, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
Recent developments in understanding epidemiology and risk determinants of atrial fibrillation as a cause of stroke
Yousif Ahmad1, Gregory Y H Lip, Deirdre A Lane
1University of Birmingham Centre for Cardiovascular Sciences, City Hospital, Birmingham, United Kingdom.
Insights
Atrial fibrillation (AF) is rising, increasing stroke risk. Identifying low-risk patients is key, with anticoagulation recommended for most AF patients to prevent devastating strokes.
Area of Science:
- Cardiology
- Public Health
Background:
- Increasing prevalence of atrial fibrillation (AF) due to aging populations and improved cardiac care.
- AF is a growing public health concern with significant clinical consequences.
- Understanding AF pathophysiology and risk factors is crucial for prevention and treatment.
Purpose of the Study:
- To review traditional and emerging risk factors for AF development.
- To examine risk factors for stroke in AF patients.
- To discuss how risk factor knowledge impacts clinical practice.
Main Methods:
- Literature review of epidemiological data.
- Analysis of risk factors for AF and AF-related stroke.
- Discussion of clinical implications for patient management.
Main Results:
- Numerous and varied risk factors contribute to AF development.
- Stroke is a major complication of AF, preventable with anticoagulation.
- Stroke risk in AF is heterogeneous; anticoagulation benefits most patients.
Conclusions:
- Identifying "truly low-risk" AF patients is essential.
- Anticoagulation should be considered for all AF patients except those at very low stroke risk.
- Knowledge of risk factors guides clinical decisions and therapeutic strategies.
Abstract:
The prevalence of atrial fibrillation (AF) is increasing because of the aging population and advances in the treatment of acute cardiac conditions. It is now approaching epidemic proportions and is associated with significant clinical and public health consequences. Risk factors for the development of AF are numerous and varied and highlight potential treatment measures that could help prevent the occurrence of AF. The emergence of novel risk factors might allow us to increase our understanding of the pathophysiology of the condition and develop novel therapeutic targets. Stroke is the most devastating consequence of AF, and can be prevented with effective oral anticoagulation in patients at increased stroke risk. Our understanding of stroke risk has advanced; we know that the risk is not homogenous and also that only the very lowest risk patients do not benefit from anticoagulation. Clinicians should target their efforts on identifying this "truly low-risk" patient cohort and consider offering formal anticoagulation to all other AF patients. The purpose of this review is to consider the traditional and emerging risk factors for the development of AF itself, and the risk factors for stroke in AF patients and how knowledge of these risk factors can affect clinical practice.
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