The results of several observational and small randomized studies.Indicate that RFA is more effective than AAD in preventing recurrence.Of AF in patients for whom at least one antiarrhythmic drug has failed.[1 - 5]. More recently it has been proposed that RFA could be used as a.First-line therapy in selected patients with paroxysmal, AF [6 7]. Our.Data provided additional support to this treatment approach. The longterm efficacy of RFA was superior to AAD therapy in. Maintenance of.Sinus rhythm in patients with paroxysmal AF. At 24 months significantly.MorepatientsintheRFAgroupwerefreefromanyAFandsymptomatic.AF. This may be partly related to additional ablations but as, the majority.Of reablations were performed before 12 months it is hardly the only explanation. Hence catheter ablationprovided, more. Durable antiarrhythmic effect, than medication although the cumulative AF burden was no.
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