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Independent factors of low radiation dose during atrial fibrillation ablation with cryoballoon or radiofrequency: Results from the “Go for zero fluoroscopy” registry

Aims Atrial fibrillation (AF) catheter ablation is a common procedure requiring in most cases the use of fluoroscopy. We aimed to evaluate the factors associated with a lower dose of fluoroscopy used during AF ablation with cryoballoon or radiofrequency. Methods In this prospective European registry...

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Bibliographic Details
Published in:Pacing and clinical electrophysiology 2021-11, Vol.44 (11), p.1853-1860
Main Authors: Gras, Matthieu, Garcia, Rodrigue, Waldmann, Victor, Bergère, Vincent, Duncker, David, De Potter, Tom, Fiedler, Lukas, Moscoso Costa, Francisco, Antolič, Bor, Kosiuk, Jedrzej
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Language:English
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Summary:Aims Atrial fibrillation (AF) catheter ablation is a common procedure requiring in most cases the use of fluoroscopy. We aimed to evaluate the factors associated with a lower dose of fluoroscopy used during AF ablation with cryoballoon or radiofrequency. Methods In this prospective European registry, centers were requested to provide procedural characteristics of consecutive AF ablation cases. Lower doses of fluoroscopy were defined as those with dose‐area‐product (DAP) under the median dose used in the radiofrequency and the cryoballoon ablation groups. Results A total of 638 AF ablation procedures were collected (n = 492 for radiofrequency and n = 146 for cryoballoon ablation groups) in 25 centers. The median [IQR] DAP were 926 [349;2092] and 1516 [418;3408] cGy*cm2 in the radiofrequency and cryoballoon groups, respectively. Main factors associated with lower DAP in cryoballoon ablation group were electrophysiology dedicated laboratory (OR 6.04, 95%CI 1.16–31.54; P = .03) and frequent dosimetry report (OR 21.39, 95%CI 5.43–98.54; P = .03). Main factors associated with lower DAP in the radiofrequency ablation group were the use of a chest dosimeter (OR 12.57, 95% CI 2.88‐54.90; P = .01), biplane X‐ray equipment (OR 3.12, 95%CI 1.89‐5.16; P 
ISSN:0147-8389
1540-8159
DOI:10.1111/pace.14366