Pulmonary veins anatomical determinants of cooling kinetics during second-generation cryoballoon ablation.
atrial fibrillation ablation
cryoballoon pulmonary vein isolation
pulmonary vein anatomy
second-generation cryoballoon ablation
Journal
Journal of cardiovascular electrophysiology
ISSN: 1540-8167
Titre abrégé: J Cardiovasc Electrophysiol
Pays: United States
ID NLM: 9010756
Informations de publication
Date de publication:
03 2020
03 2020
Historique:
received:
21
11
2019
revised:
10
12
2019
accepted:
15
12
2019
pubmed:
17
1
2020
medline:
16
12
2020
entrez:
17
1
2020
Statut:
ppublish
Résumé
The aim of the study was to investigate the role of anatomical characteristics of the pulmonary veins (PVs) determining cooling kinetics during second-generation cryoballoon ablation (CbA). we enrolled all consecutive patients who underwent CbA for symptomatic atrial fibrillation in our center from January 2019 to March 2019. All patients had complete computed tomography scans of the heart before the ablation. Anatomical characteristics were tested for prediction of a nadir temperature (NT) ≤ -48°C. Significant differences were noted among PV max diameter (20.8 ± 2.8 vs 18.5 ± 2.5 mm; P < .001); PV minimum diameter (15.2 ± 3.0 vs 13.0 ± 3.1 mm; P < .001); PV area (268.1 ± 71.9 vs 206.2 ± 58.7 mm Anatomical PV features are associated with cooling kinetics and an anatomical score could predict lower NT during second-generation CbA. Specific characteristics were identified for inferior PV. Although heart imaging is not mandatory prior CbA, it can be a useful tool to predict cooling kinetics.
Types de publication
Journal Article
Observational Study
Langues
eng
Sous-ensembles de citation
IM
Pagination
629-637Informations de copyright
© 2020 Wiley Periodicals, Inc.
Références
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