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September 10, 2025Pacing and Clinical Electrophysiology

Non‐Occlusive Separate Freezing for Cryoballoon Pulmonary Vein Isolation to the Large Pulmonary Vein

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Authors

HAHirofumi AraiYSYuichiro SagawaTSTakatoshi Shigeta

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Overview

Observational analysis reveals higher success rates for POLARx versus AFA-Pro in pulmonary vein isolation, suggesting improved outcomes.

Key Points

  • Success rates of pulmonary vein isolation were significantly higher with POLARx at 87.3%, compared to 72.2% for AFA-Pro.
  • The nadir temperatures during the procedure were lower for POLARx, averaging -52.2°C versus -42.4°C for AFA-Pro.
  • No phrenic nerve injuries occurred in either group, highlighting the safety of the non-occlusive procedure.
  • The 1-year arrhythmia-free survival rates were 86.4% and 81.2% for POLARx and AFA-Pro, indicating comparable long-term outcomes.

Cite This Study

Arai et al. (2025) studied this question.

synapsesocial.com/papers/68c23fc3b210217d64797696https://doi.org/10.1111/pace.70025
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