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Review
. 2022 Jun;8(6):795-799.
doi: 10.1016/j.jacep.2022.04.011.

Feasibility of Assessing Cryoballoon Pulmonary Vein Occlusion With Saline Injection and a Novel Mapping System

Mahmoud Houmsse  1 , Faisal Matto  2 , Matthew S Sulkin  3 , David J Tomaszewski  3 , Sergei Shulepov  3 , Lior Glassner  3 , Ralph Augostini  2 , Steven Kalbfleisch  2 , Emile G Daoud  2 , John Hummel  2
Affiliations
Free article
Review

Feasibility of Assessing Cryoballoon Pulmonary Vein Occlusion With Saline Injection and a Novel Mapping System

Mahmoud Houmsse et al. JACC Clin Electrophysiol. 2022 Jun.
Free article

Abstract

Thirty-eight patients had assessment of pulmonary vein occlusion with the dielectric mapping system and injection of saline as an alternative to contrast. Contrast injection was required to ascertain pulmonary vein occlusion in 31.6% (12 of 38) of subjects and 17.4% (27 of 155) of veins. No contrast was required in the last 13 subjects. In this single center study, a novel mapping-guided cryoablation approach appeared to minimize the use of contrast in pulmonary vein isolation for the treatment of atrial fibrillation.

Keywords: atrial fibrillation; cryoballoon ablation; pulmonary vein occlusion.

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Conflict of interest statement

Funding Support and Author Disclosures Drs Houmsse and Daoud have received research support from Medtronic. Dr Sulkin, Mr Tomaszewski, Dr Shulepov, and Mr Glassner are salaried employees of EPD Solutions. Drs Hummel and Augostini have received consulting fees from EPD Solutions and Medtronic. All other authors have reported that they have no relationships relevant to the contents of this paper to disclose.

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