Why the study?
Procedural efficacy, safety, and 1-year freedom from AF recurrence had not been directly compared between the novel PolarX cryoballoon system and Arctic Front Advance Pro in patients with paroxysmal AF undergoing PVI.
Does the PolarX cryoballoon system improve 1-year freedom from AF recurrence compared to the Arctic Front Advance Pro in patients with paroxysmal atrial fibrillation?
Population
267 consecutive patients undergoing a first cryoablation procedure for paroxysmal AF
Comparison
PolarX vs Arctic Front Advance Pro
Design
Multicentre prospective observational study
Follow-up
Mean 15 ± 5 months
Authors
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Similar recurrence rates with PolarX and AFA-Pro should not change practice; leaves open equivalence pending randomized trials.
Does the PolarX cryoballoon system improve 1-year freedom from AF recurrence compared to the Arctic Front Advance Pro in patients with paroxysmal atrial fibrillation?
The novel PolarX cryoballoon system demonstrates comparable 1-year efficacy for AF recurrence but a higher rate of transient phrenic nerve palsy compared to the established Arctic Front Advance Pro system.
Tanese et al. (2023) studied this question.
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