Key result
Radiofrequency ablation of the right atrial isthmus for type I atrial flutter resulted in AF recurrences in 8% of patients with isolated flutter versus 86% in those with predominantly AF.
Why the study?
Does radiofrequency ablation of the right atrial isthmus prevent the occurrence of atrial fibrillation in patients with type I atrial flutter?
Population
82 consecutive patients with type I atrial flutter, with or without concomitant atrial fibrillation. Divided…
Design
Cohort
Follow-up
Varies by group (mean 4 to 20 months)
Authors
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Isthmus ablation was associated with low AF recurrence only in isolated flutter; leaves open its role in preventing AF.
Cohort (n=82)
Does radiofrequency ablation of the right atrial isthmus prevent the occurrence of atrial fibrillation in patients with type I atrial flutter?
Right atrial isthmus ablation for type I atrial flutter has varying impacts on subsequent atrial fibrillation recurrence depending on the patient's baseline arrhythmia predominance.
Nabar et al. (1999) conducted a cohort in Type I atrial flutter with or without concomitant atrial fibrillation (n=82). Radiofrequency ablation of the right atrial isthmus was evaluated on Atrial fibrillation recurrences. Radiofrequency ablation of the right atrial isthmus for type I atrial flutter resulted in AF recurrences in 8% of patients with isolated flutter versus 86% in those with predominantly AF.
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