Selecting persistent atrial fibrillation patients for pulmonary vein isolation based on the response to amiodarone: efficacy of the "one step back" strategy.

PersAF patients who "step back" to the paroxysmal stage on amiodarone can expect long-term success of a PVI-only strategy in more than 70% of the time. However, late recurrences are more common compared to paroxAF.