Key result
POLARx cryoballoon matches Arctic Front Advance in procedure times and acute efficacy for PVI.
Why the study?
A new cryoballoon manufacturer received regulatory CE marking (POLARx), motivating an evaluation of early experience and procedural aspects compared to the incumbent Arctic Front Advance catheter.
Does POLARx cryoballoon ablation improve procedural metrics compared to Arctic Front Advance in patients with atrial fibrillation?
Population
Patients undergoing AF ablation at the Barts Heart Centre (40 POLARx vs 40 Arctic Front Advance)
Comparison
POLARx catheter vs Arctic Front Advance catheter
Design
Contemporaneous comparative study with prospectively recorded procedural metrics
Authors
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Comparable acute PVI efficacy in this cohort; supports POLARx as alternative but leaves open randomized confirmation of outcomes.
Observational (n=80)
No
Does POLARx cryoballoon ablation improve procedural metrics compared to Arctic Front Advance in patients with atrial fibrillation?
Absolute Event Rate: 60% vs 60%
The POLARx cryoballoon is effective for pulmonary vein isolation with similar acute efficacy to the Arctic Front Advance, though with lower measured temperatures and slightly higher fluoroscopy and dwell times.
Creta et al. (2021) conducted an observational in Atrial fibrillation (n=80). POLARx cryoballoon catheter vs. Arctic Front Advance cryoballoon catheter was evaluated on Procedure time (minutes). The POLARx cryoballoon demonstrated similar procedure times (60.0 vs. 60.0 min) and acute efficacy for pulmonary vein isolation compared with the Arctic Front Advance catheter.
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