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Updated: Jun 19, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
Persistent atrial fibrillation: current approach and controversies
Ratika Parkash1, Atul Verma, Antony S L Tang
1Queen Elizabeth II Health Sciences Centre, Halifax, Nova Scotia, Canada. parkashr@cdha.nshealth.ca
The definition of atrial fibrillation (AF) is evolving, reflecting new insights into its mechanisms and treatments. Further research is needed to fully understand persistent AF causes and optimize therapies like catheter ablation.
Area of Science:
- Cardiology
- Electrophysiology
- Medical Science
Background:
- Atrial fibrillation (AF) definition is shifting.
- Understanding of AF mechanisms is advancing.
- Persistent AF requires improved management strategies.
Purpose of the Study:
- To discuss the evolving definition of atrial fibrillation.
- To explore treatment options for persistent AF.
- To highlight paradigm shifts in AF comprehension.
Main Methods:
- Review of current literature on atrial fibrillation.
- Analysis of evolving definitions and treatment approaches.
- Synthesis of findings related to persistent AF.
Main Results:
- Persistent AF is a spectrum linked to paroxysmal AF.
- AF mechanisms require further elucidation for better management.
- External factors like blood pressure influence AF.
- Catheter ablation techniques for persistent AF remain debated.
Conclusions:
- AF definition has evolved due to catheter ablation insights.
- Further trials are necessary for persistent AF causes and mechanisms.
- Optimal therapies for persistent AF warrant continued investigation.
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