Balloon technologies for pulmonary vein isolation-12-month outcome and comparison of the novel radiofrequency balloon with the cryoballoon in patients with paroxysmal atrial fibrillation.
Jan-Hendrik van den Bruck, Jonas Wörmann, Arian Sultan, Karlo Filipovic, Katharina Seuthe, Susanne Erlhöfer, Cornelia Scheurlen, Sebastian Dittrich, Jan-Hendrik Schipper, Jakob Lüker, Daniel Steven
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引用次数: 0
Abstract
Background: The cryoballoon (CB) has become a standard tool for pulmonary vein isolation (PVI), but the technology is limited in certain ways. A novel RF-balloon (Heliostar™, Biosense Webster, CA, USA) promises the advantages of a balloon technology in combination with 3D mapping.
Methods: To assess procedural data and outcome, all patients undergoing RF-balloon PVI were included and compared with data from consecutive patients undergoing CB PVI for paroxysmal AF.
Results: A total of 254 patients (63 ± 13 years, 54% male) were included: 30 patients undergoing RF-balloon and 224 patients CB PVI. Baseline parameters were comparable. Procedure duration (104.3 ± 35.3 min vs. 69.9 ± 23.1 min; p ≤ 0.001) and fluoroscopy time (16.3 ± 7.1 min vs. 11.6 ± 4.9 min; p ≤ 0.001) were longer using the RF-balloon; ablation time (43.5 ± 17.9 vs. 36.4 ± 15.6; p = 0.08) did not differ, and time-to-isolation (TTI) was shorter (18.2 ± 7.0 s vs. 62.8 ± 35.1 s; p ≤ 0.001). Second-generation RF-balloon cases showed shorter ablation time and TTI at comparable procedure duration and fluoroscopy time. One pericardial effusion occurred with the RF-balloon due to complicated transseptal access. During CB PVI in 4/224 patients (1.8%), a phrenic nerve palsy was observed. After 12 months, 78% of patients after RF-balloon and 81% of patients after CB PVI (p = 0.5) were free from atrial arrhythmias.
Conclusion: The RF-balloon was safe and effective. Compared with the CB, TTI was shorter, but procedure durations and fluoroscopy times were longer. This can be attributed to a learning curve and the initial necessity for separate 3D map preparation. Considering the results with the second-generation RF-balloon, more experience is needed to determine the potential benefits.
期刊介绍:
Clinical Research in Cardiology is an international journal for clinical cardiovascular research. It provides a forum for original and review articles as well as critical perspective articles. Articles are only accepted if they meet stringent scientific standards and have undergone peer review. The journal regularly receives articles from the field of clinical cardiology, angiology, as well as heart and vascular surgery.
As the official journal of the German Cardiac Society, it gives a current and competent survey on the diagnosis and therapy of heart and vascular diseases.