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Impact of a time‐to‐effect‐guided ablation protocol in cryoballoon ablation on the durability of pulmonary vein isolation

Cryoballoon (CB)‐based pulmonary vein isolation (PVI) has proven to be as effective as radiofrequency‐based ablation. Different ablation protocols took the individual time‐to‐isolation (TTI) into account aiming at shorter but equally or even more effective freeze cycles. The current study sought to assess the impact of the TTI on PVI durability in patients undergoing a repeat procedure for recurrence of atrial tachyarrhythmia (ATA).