Key result
The POLARx cryoablation system achieved similar acute pulmonary vein isolation compared to the AFA system (99.5% vs 100%, p=1.00), but required longer procedure and fluoroscopy times.
Why the study?
Following the introduction of a novel cryoablation system, this study aimed to compare its safety, efficacy, and biophysical characteristics against an established system for pulmonary vein isolation.
Does the POLARx cryoablation system improve acute pulmonary vein isolation or procedural characteristics compared to the Arctic Front Advance Pro system in patients with symptomatic AF?
Population
100 consecutive patients with symptomatic AF
Comparison
Novel POLARx cryoablation system vs Arctic Front Advance Pro system
Design
Comparative cohort study
Authors
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Longer POLARx times warrant workflow and radiation caution; leaves open randomized outcome comparisons versus AFA.
Cohort (n=100)
Does the POLARx cryoablation system improve acute pulmonary vein isolation or procedural characteristics compared to the Arctic Front Advance Pro system in patients with symptomatic AF?
Absolute Event Rate: 99.5% vs 100%
p-value: p=1.00
The novel POLARx cryoballoon system is as effective as the established AFA system for acute pulmonary vein isolation, though it requires longer procedure and fluoroscopy times.
Moser et al. (2021) conducted a cohort in Symptomatic atrial fibrillation (n=100). POLARx cryoablation system vs. Arctic Front Advance Pro (AFA) cryoablation system was evaluated on Acute pulmonary vein isolation (PVI) (p=1.00). The POLARx cryoablation system achieved similar acute pulmonary vein isolation compared to the AFA system (99.5% vs 100%, p=1.00), but required longer procedure and fluoroscopy times.
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