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Updated: May 6, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
Update on the management of atrial fibrillation
John V Amerena1, Tomos E Walters, Sam Mirzaee
1Geelong Cardiology Research Unit, Geelong, VIC, Australia. johnam@barwonhealth.org.au.
Insights
Atrial fibrillation (AF) management involves controlling heart rhythm or rate and considering stroke risk. Anticoagulation, especially with newer oral agents, is crucial for stroke prevention in AF patients with higher risk scores.
Area of Science:
- Cardiology
- Geriatrics
- Pharmacology
Background:
- Atrial fibrillation (AF) is a prevalent arrhythmia, increasing with age.
- AF presence significantly impacts future stroke risk management.
- Irregular pulse necessitates electrocardiogram (ECG) for diagnosis.
Purpose of the Study:
- To outline key management decisions in atrial fibrillation.
- To discuss rhythm control versus rate control strategies.
- To emphasize stroke risk assessment and anticoagulation in AF.
Main Methods:
- Review of current guidelines and evidence for AF management.
- Assessment of stroke risk using CHADS 2 score.
- Comparison of anticoagulation strategies, including warfarin and novel oral anticoagulants (NOACs).
Main Results:
- Rhythm control aims for symptom improvement; AF ablation is an option for select younger patients.
- Anticoagulation is indicated for AF patients with a CHADS 2 score ≥ 2, irrespective of AF type.
- NOACs demonstrate comparable efficacy to warfarin for stroke prevention with a potentially improved safety profile, especially regarding intracranial bleeding.
Conclusions:
- Effective management of atrial fibrillation requires individualized strategies for rate/rhythm control and stroke prevention.
- Anticoagulation is a cornerstone of AF management to mitigate stroke risk, with NOACs offering a favorable safety and efficacy profile.
- The benefits of stroke reduction with anticoagulation generally outweigh bleeding risks in most AF patients.
Abstract:
Atrial fibrillation (AF) is a common arrhythmia, with a prevalence that increases markedly with increasing age. Presence of AF has implications for management of future stroke risk. If the patient's pulse is irregular, an electrocardiogram should be ordered. Key management decisions are whether to adopt a rhythm control or a rate control strategy and whether to initiate anticoagulation. The primary aim of a rhythm control strategy is improved symptom control. AF ablation may be considered in younger patients (aged < 65 years) with paroxysmal or early persistent AF. AF increases the risk of stroke, and anticoagulation should be considered on the basis of stroke risk - clearly indicated with a CHADS 2 score (congestive heart failure, hypertension, age ≥ 75 years, diabetes, 1 point each; previous stroke or transient ischaemic attack, 2 points) of ≥ 2 - independent of the type of AF. In most patients with AF, the benefit of stroke reduction with systemic anticoagulation will outweigh its bleeding risks. All anticoagulants and antiplatelet agents increase the risk of bleeding. However, the new oral anticoagulants tend to have an improved safety profile, particularly in regard to intracranial bleeding, and are at least as effective as warfarin for stroke prevention.
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