Heart rate variability as a predictor of successful catheter-guided pulmonary vein isolation for atrial fibrillation
M. Drexler,
T. Blum,
K. M. Heinroth
et al.
Abstract:Background
This retrospective observational study investigated the relationship between heart rate variability (HRV) and atrial fibrillation (AF) recurrence after pulmonary vein isolation (PVI) by cryoballoon or radiofrequency ablation (RF).
Methods
We enrolled 497 patients who underwent PVI using first-generation cryoballoon (CB1), second-generation cryoballoon (CB2), or RF. We analyzed HRV as a surrogate for modulation of the intrinsic autonomic nervous … Show more
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