Short-term versus long-term antiarrhythmic drug treatment after cardioversion of atrial fibrillation (Flec-SL): a prospective, randomised, open-label, blinded endpoint assessment trial

Paulus Kirchhof, Dietrich Andresen, Ralph Bosch, Martin Borggrefe, Thomas Meinertz, Ulli Parade, Ursula Ravens, Alexander Samol, Gerhard Steinbeck, Andras Treszl, Karl Wegscheider, Günter Breithardt

Research output: Contribution to journalArticlepeer-review

91 Citations (Scopus)

Abstract

Antiarrhythmic drugs prolong the atrial action potential and refractory period, and thereby prevent recurrent atrial fibrillation after cardioversion. The atrial action potential normalises after 2-4 weeks of sinus rhythm, suggesting that antiarrhythmic drugs might not be needed beyond that period. Therefore, we investigated whether short-term antiarrhythmic drug treatment after cardioversion is non-inferior to long-term treatment.
Original languageEnglish
Pages (from-to)238-46
Number of pages9
JournalLancet
Volume380
Issue number9838
DOIs
Publication statusPublished - 2012

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