Key result
After successful radiofrequency ablation for typical atrial flutter, freedom from any atrial arrhythmia was only 27% at 5 years (95% CI 15-40%), with progressive occurrence of atrial fibrillation.
Why the study?
Does radiofrequency ablation prevent long-term recurrence of atrial arrhythmias in patients with typical atrial flutter?
Cohort (n=108)
Yes
Does radiofrequency ablation prevent long-term recurrence of atrial arrhythmias in patients with typical atrial flutter?
While radiofrequency ablation for typical atrial flutter prevents recurrence of typical flutter in most patients, there is a progressive occurrence of atrial fibrillation and atypical flutter over time, suggesting it is often a palliative procedure.
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Low long-term arrhythmia freedom after flutter ablation warrants ongoing monitoring; leaves open optimal adjunctive strategies in this observational cohort.
Gilligan et al. (2003) conducted a cohort in Typical atrial flutter (n=108). Radiofrequency ablation was evaluated on Freedom from occurrence of any atrial arrhythmia at 5 years (95% CI 15-40). After successful radiofrequency ablation for typical atrial flutter, freedom from any atrial arrhythmia was only 27% at 5 years (95% CI 15-40%), with progressive occurrence of atrial fibrillation.
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