Catheter ablation is superior to drugs regarding atrial fibrillation (AF) recurrence, symptoms improvement, and mortality reduction in heart failure. POLARx™ is a novel cryoballoon, with technical improvements seeking to improve outcomes. So far, its clinical evidence is restricted to a case report.
Kochi AN, Moltrasio M, Tundo F, Riva S, Ascione C, Dessanai MA, Pizzamiglio F, Vettor G, Cellucci S, Gasperetti A, Tondo C, Fassini G. Cryoballoon atrial fibrillation ablation: Single-center safety and efficacy data using a novel cryoballoon technology compared to a historical balloon platform. J Cardiovasc Electrophysiol 2021 Feb 3. doi: 10.1111/jce.14930