Why the study?
Does cryoballoon ablation or a combined approach improve single procedure success rate compared to point-by-point radiofrequency ablation in patients with paroxysmal atrial fibrillation?
Does cryoballoon ablation or a combined approach improve single procedure success rate compared to point-by-point radiofrequency ablation in patients with paroxysmal atrial fibrillation?
Cryoballoon ablation is faster and achieves a higher single-procedure success rate than conventional radiofrequency ablation for paroxysmal atrial fibrillation, with no added benefit from a combined approach.
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Cryoballoon ablation may be preferred for paroxysmal AF given shorter procedures and higher single-procedure success; extends RCT evidence favoring cryoballoon over point-by-point RFCA.
Pulmonary vein isolation for paroxysmal AF is faster with CRYO and results in a higher single procedure success rate than conventional point by point RFCA. The COMBINED approach was not superior to CRYO alone.
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Hunter et al. (2015) studied this question.
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