Why the study?
Does balloon cryoablation provide durable long-term pulmonary vein isolation in patients with atrial fibrillation?
Population
12 patients with atrial fibrillation (n=48 pulmonary veins)
Design
Cohort
Follow-up
8-12 weeks
Key result
Balloon cryoablation achieved durable long-term pulmonary vein isolation, with 88% (42 of 48) of pulmonary veins remaining isolated at a second mapping procedure 8 to 12 weeks later.
Authors
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May support cryoballoon PVI durability in this cohort; leaves open randomized confirmation of clinical outcomes.
Cohort (n=12)
Does balloon cryoablation provide durable long-term pulmonary vein isolation in patients with atrial fibrillation?
Cryoballoon ablation for pulmonary vein isolation demonstrates high chronic durability, with 88% of veins remaining isolated at 8-12 weeks.
Ahmed et al. (2010) conducted a cohort in Atrial fibrillation (n=12). Balloon cryoablation (23-mm or 28-mm cryoballoon) was evaluated on Long-term pulmonary vein isolation at 8-12 weeks. Balloon cryoablation achieved durable long-term pulmonary vein isolation, with 88% (42 of 48) of pulmonary veins remaining isolated at a second mapping procedure 8 to 12 weeks later.