Why the study?
Does variant pulmonary vein anatomy affect procedural findings and clinical outcomes of second-generation cryoballoon ablation in patients with drug-resistant atrial fibrillation?
Population
424 consecutive patients with drug-resistant atrial fibrillation undergoing pulmonary vein isolation with…
Comparison
Second-generation cryoballoon (CB2) ablation vs Comparison between variant PV anatomy and…
Design
Cohort
Follow-up
mean 16.1 ± 3.3 months
Authors
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Variant PV anatomy does not preclude CB2 PVI success; leaves open prospective validation of durability and outcomes.
Does variant pulmonary vein anatomy affect procedural findings and clinical outcomes of second-generation cryoballoon ablation in patients with drug-resistant atrial fibrillation?
Second-generation cryoballoon ablation is effective and safe in patients with variant pulmonary vein anatomy, with similar AF recurrence rates to those with normal anatomy despite slightly longer procedure times.
Wei et al. (2018) studied this question.
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