Pulmonary vein isolation with the cryoballoon in obese atrial fibrillation patients - Does weight have an impact on procedural parameters and clinical outcome?

International Journal of Cardiology
Karolina WeinmannAlexander Pott

Abstract

Obesity is a known risk factor for the incidence and prevalence of atrial fibrillation (AF). Pulmonary vein isolation (PVI) is an established therapeutic option for AF patients, however clinical benefit of AF ablation remains controversial in overweight and obese patients. We investigated the impact of overweight and obesity in AF patients undergoing cryoballoon PVI on procedural characteristics and clinical outcome. We included consecutive patients undergoing cryoballoon PVI at Ulm University Medical center. Normal weight was defined as a body mass index (BMI) of 18.5-24.9 kg/m2, overweight as a BMI of 25.0-29.9 kg/m2 and obesity as a BMI of ≥30.0 kg/m2. Evaluating 600 patients, mean age was 66.3±10.8 years and 43% patients were female. 41% of the patients were classified as overweight and 34% as obese. Regarding procedural characteristics, overweight and obese patients had longer fluoroscopy area dose product (p<0.001) and obese patients a higher fluoroscopy time (p<0.05). Analyses of ablation related procedural characteristics revealed no relevant differences regarding number and duration of ablation, time to isolation and nadir temperature. Importantly, recurrence of atrial arrhythmia was statistically not different compari...Continue Reading

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Citations

Feb 6, 2021·European Journal of Clinical Investigation·Raymond PranataMuhammad Munawar

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