Impact of overweight and obesity on radiation dose and outcome in patients undergoing pulmonary vein isolation by cryoballoon and pulsed field ablation.

Background: Pulmonary vein isolation (PVI) using pulsed field ablation (PFA) or cryoballoon ablation (CBA) are commonly used single-shot techniques for the treatment of patients with atrial fibrillation (AF). The number of overweight (BMI 25-30 kg/m) and obese (BMI>30 kg/m) patients undergoing PVI is increasing, but data on this patient population is limited.

Methods: Consecutive AF patients with a BMI ≥25 kg/m undergoing PFA- or CBA-PVI were included in this retrospective analysis.