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dc.contributor.authorDerejko, Paweł-
dc.contributor.authorKuśnierz, Jacek-
dc.contributor.authorBardyszewski, Aleksander-
dc.contributor.authorOrczykowsk, Michał-
dc.contributor.authorDzwonkowska, Dobromiła-
dc.contributor.authorPolańska-Skrzypczyk, Magdalena,-
dc.contributor.authorSzumowski, Łukasz Jan-
dc.date.accessioned2024-01-31T07:44:06Z-
dc.date.available2024-01-31T07:44:06Z-
dc.date.issued2024-
dc.identifier.citationPaweł Derejko, Jacek Kuśnierz, Aleksander Bardyszewski, Michał Orczykowski, Dobromiła Dzwonkowska, Magdalena Polańska-Skrzypczyk, Łukasz Jan Szumowski (2024). Cryoballoon ablation without use of contrast for the treatment of paroxysmal atrial fibrillation. Cardiology Journal. DOI: 10.5603/cj.95969uk
dc.identifier.urihttp://e.ieu.edu.ua/handle/123456789/1046-
dc.description.abstractBackground: Cryoballoon ablation (CBA) for atrial fibrillation (AF) is usually preceded by demonstrating pulmonary vein (PV) occlusion using contrast. The aim of the study was to determine efficacy and safety of a simplified protocol for CBA performed without demonstrating PV occlusion and compare achieved results with conventional CBA. Methods: Paroxysmal AF patients undergoing a first-time CBA were prospectively included. In the non-contrast (NC) group CBA was performed using standardized protocol without demonstrating PV occlusion. In the conventional contrast (CC) group ablations were performed after confirmation of PV occlusion. Results: The NC and CC groups comprised 51 and 22 patients, respectively. PVI according to the group assignment was achieved in 34 (67%) and 21 (95.5%) patients from the NC and CC groups, respectively (p < 0.001). In the NC group, 184 (90%) out of 204 veins were isolated without venography. There were no differences between the NC and CC groups in terms of procedure duration (89.7 ± 22.6 vs. 90.0 ± 20.6 min; p = 0.7) and fluoroscopy time (15.3 ± 6.3 vs. 15 ± 4.5 min; p = 0.8). In the NC group, the use of contrast was significantly lower compared to the CC group (4.9 ± 10.1 vs. 19.4 ± 8.6 mL, p < 0.001). There were no serious adverse events in both groups. A 1-year freedom from AF was achieved in 73.5% and 71.5% of patients from the NC and CC groups, respectively (p = 1).1 Conclusions: Cryoballoon ablation without demonstrating vein occlusion with contrast is safe and feasible. Proposed simplified approach enables isolation of the vast majority of pulmonary veins with a significant reduction in the amount of contrast used.uk
dc.language.isoenuk
dc.subjectatrial fibrillationuk
dc.subjectcryoballoon ablationuk
dc.subjectpulmonary vein isolationuk
dc.titleCryoballoon ablation without use of contrast for the treatment of paroxysmal atrial fibrillationuk
dc.typeArticleuk
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