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Safety and efficacy of cryoballoon ablation for the treatment of paroxysmal and persistent AF in a real‐world global setting: Results from the Cryo AF Global Registry by Kyoung Ryul Julian Chun; Ken Okumura; Fernando Scazzuso; Young Keun On; Fred J. Kueffer; Kendra M. Braegelmann; Surinder Kaur Khelae; Fawzia Al‐Kandari; Csaba Földesi; the Cryo Global Registry Investigators is a Medicine article available to read on EtoBox.

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## Abstract ## Background Cryoballoon ablation is a commonly used approach to treat patients with atrial fibrillation (AF). ## Objectives Report on the safety and efficacy of cryoballoon ablation for the treatment of AF in the largest global cohort of cryoablated patients prospectively studied within a single registry. ## Methods The __Cryo AF Global Registry__ is a prospective, multi‐center registry. Patients with paroxysmal AF (PAF) or persistent AF (PsAF) were treated with the cryoballoon catheter according to routine practices at 93 sites across 36 countries. Primary efficacy endpoints included freedom from AF and freedom from AF/atrial flutter (AFL)/atrial tachycardia (AT) ≥30 seconds. The primary safety endpoint was serious device‐ or procedure‐related adverse events over 12 month follow‐up. ## Results During this evaluation window, 2922 subjects completed an index cryoballoon procedure, and 1440 completed 12 month follow‐up. The cohort was 61 ± 12 years of age, 36.3% female, and 78.7% PAF. Serious device‐ and procedure‐related adverse event rates were 1.5% and 3.4%, respectively. Freedom from AF/AFL/AT after the 90 day blanking period was 86.4% (95% CI: 84.3%‐88.3%) in patie

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Author

Kyoung Ryul Julian Chun; Ken Okumura; Fernando Scazzuso; Young Keun On; Fred J. Kueffer; Kendra M. Braegelmann; Surinder Kaur Khelae; Fawzia Al‐Kandari; Csaba Földesi; the Cryo Global Registry Investigators

Publisher

John Wiley and Sons Inc.

Published

2021

Language

EN

Field

Medicine (Health Sciences)