Conscious sedation during cryoballoon ablation of atrial fibrillation: a feasibility and safety study

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 patients with PAF and 70.9% (95% CI: 64.6%‐76.4%) in patients with PsAF. Freedom from AF/AFL/AT in first‐line PAF and PsAF was 90.0% (95% CI: 86.4%‐92.7%) and 72.9% (95% CI: 58.6%‐83.0%) at 12 months, respectively. Conclusions The Cryo Global AF Registry is the largest evaluation to demonstrate cryoablation is an efficient, safe, and effective treatment for patients with AF worldwide. Cryoablation was commonly used to treat patients prior to an AAD failure and may facilitate earlier therapy for patients on the AF disease continuum.

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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

Chun

Okumura

Scazzuso

et al. 2021

Journal of Arrhythmia

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Effects of dronedarone on all-cause mortality and on cardiovascular events in patients treated for atrial fibrillation: a meta-analysis of RCTs

Vecchis¹,

Ariano

2019

Minerva Cardioangiol

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Conscious sedation during cryoballoon ablation of atrial fibrillation: a feasibility and safety study

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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

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

Effects of dronedarone on all-cause mortality and on cardiovascular events in patients treated for atrial fibrillation: a meta-analysis of RCTs

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