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Teumer Y, Miesbichler C, Katov L, Mayer B, Rottbauer W, Bothner C, Weinmann K. Comparison between a Novel Radiofrequency-Balloon and a Standard Cryo-Balloon in Pulmonary Vein Isolation: A Propensity-Score-Matched Analysis. J Clin Med 2024; 13:963. [PMID: 38398276 PMCID: PMC10889331 DOI: 10.3390/jcm13040963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 02/02/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
Background/Objectives: Single-shot devices are important tools for efficient pulmonary vein isolation (PVI) in atrial fibrillation (AF). In addition to the standard cryo-balloon (CB) catheter, a novel multi-electrode radiofrequency balloon-catheter (RFB, Heliostar, Biosense Webster, Irvine, CA, USA) with 3D-mapping-integration is available. Currently, there is no evidence allowing for a direct comparison between RFB-PVI and CB-PVI in a matched population. The study aimed to assess the procedural data, safety profiles, and outcomes of RFB-PVI versus CB-PVI. Methods: In this prospective registry study, symptomatic AF patients undergoing first-time PVI from January 2019 to April 2023, using RFB or CB, were included, with patients matched in a 1:2 ratio to reduce potential confounders. Results: The results from 171 consecutive RFB patients and 342 matched CB patients showed comparable recurrence-free survival after 12 months (81.3% RFB vs. 76.8% CB, p = 0.359). The RFB group had a longer procedure duration (88 vs. 73 min, p < 0.001) and longer fluoroscopy time (18.9 vs. 14.5 min, p < 0.001). Conclusions: In conclusion, the novel RFB system enables efficient and safe PVI, which is broadly comparable to the established CB system. However, the 3D-mapping integration in RFB did not reduce fluoroscopy time compared to CB.
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Affiliation(s)
- Yannick Teumer
- Department of Cardiology, Ulm University Heart Center, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (Y.T.)
| | - Clemens Miesbichler
- Department of Cardiology, Ulm University Heart Center, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (Y.T.)
| | - Lyuboslav Katov
- Department of Cardiology, Ulm University Heart Center, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (Y.T.)
| | - Benjamin Mayer
- Institute for Epidemiology and Medical Biometry, Ulm University, Schwabstraße 13, 89075 Ulm, Germany
| | - Wolfgang Rottbauer
- Department of Cardiology, Ulm University Heart Center, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (Y.T.)
| | - Carlo Bothner
- Department of Cardiology, Ulm University Heart Center, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (Y.T.)
| | - Karolina Weinmann
- Department of Cardiology, Ulm University Heart Center, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (Y.T.)
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Teumer Y, Miesbichler C, Hauke A, Katov L, Bothner C, Pott A, Müller M, Walter B, Rottbauer W, Dahme T, Weinmann K. Atrial Fibrillation Ablation with a Novel Fully 3D-Mapping-Integrated Multi-Electrode Radiofrequency Balloon Catheter. J Clin Med 2023; 13:207. [PMID: 38202216 PMCID: PMC10779570 DOI: 10.3390/jcm13010207] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 12/27/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024] Open
Abstract
Pulmonary vein isolation (PVI), as the cornerstone of atrial fibrillation (AF) ablation, has emerged a widely used therapy for patients suffering from AF. To improve PVI efficiency, single-shot catheters (SSCs) have been developed. Regrettably, SSCs are not integrated into 3D-mapping technology. In that regard, a novel radiofrequency balloon catheter (RFBC, Heliostar, Biosense Webster) with full integration into 3D-mapping technology has been developed. The aim of this study was to assess operative and follow-up outcomes of the RFBC in AF patients. In this monocentric prospective registry, patients with a first-time PVI using the RFBC were included. Follow-up visits were scheduled 3, 6, 12 and 24 months after ablation and in case of symptoms. A total of 171 patients (36.8% female) were included, with a mean age of 68.5 ± 10.2 years. Among them, 63 patients (36.8%) presented with persistent AF. Notably, no major periprocedural complications were observed. The mean follow-up period was 287 ± 157 days. In the Kaplan-Meier analysis, the estimated recurrence-free survival after 12 months was 81.8%. Based on our data, PVI with the fully 3D-mapping-integrated RFBC seems to be safe and effective and to have a favorable 12-month outcome in patients with paroxysmal and persistent AF.
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Affiliation(s)
- Yannick Teumer
- Department of Cardiology, Ulm University Heart Center, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (Y.T.); (C.B.)
| | - Clemens Miesbichler
- Department of Cardiology, Ulm University Heart Center, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (Y.T.); (C.B.)
| | - Andreas Hauke
- Department of Cardiology, Ulm University Heart Center, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (Y.T.); (C.B.)
| | - Lyuboslav Katov
- Department of Cardiology, Ulm University Heart Center, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (Y.T.); (C.B.)
| | - Carlo Bothner
- Department of Cardiology, Ulm University Heart Center, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (Y.T.); (C.B.)
| | - Alexander Pott
- Department of Cardiology, Ulm University Heart Center, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (Y.T.); (C.B.)
- Department of Cardiology and Angiology, Bonifatius Hospital, Wilhelmstraße 13, 49808 Lingen, Germany
| | - Martin Müller
- Department of Medicine I, Ulm University, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (M.M.)
| | - Benjamin Walter
- Department of Medicine I, Ulm University, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (M.M.)
| | - Wolfgang Rottbauer
- Department of Cardiology, Ulm University Heart Center, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (Y.T.); (C.B.)
| | - Tillman Dahme
- Department of Cardiology, Ulm University Heart Center, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (Y.T.); (C.B.)
- Department of Cardiology, Angiology and Pneumology, Esslingen Hospital, Hirschlandstraße 97, 73730 Esslingen, Germany
| | - Karolina Weinmann
- Department of Cardiology, Ulm University Heart Center, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (Y.T.); (C.B.)
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Zylla MM, Starrach L, Rahm AK, Thomas D, Frey N, Lugenbiel P. Implementation of the multielectrode radiofrequency-balloon in real-world clinical practice-operator learning curve and procedural outcome at a high-volume center. Front Cardiovasc Med 2023; 10:1208250. [PMID: 38034374 PMCID: PMC10682364 DOI: 10.3389/fcvm.2023.1208250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 07/03/2023] [Indexed: 12/02/2023] Open
Abstract
Background The novel multielectrode radiofrequency (RF) balloon catheter (HELIOSTAR™, Biosense Webster) is a new technology for pulmonary vein isolation (PVI) in atrial fibrillation (AF), combining RF-ablation and 3D-mapping visualization with the concept of a "single-shot"-ablation device. This study evaluates the operator learning curve und procedural outcome during implementation of the multielectrode RF-balloon at a high-volume center. Methods The first 40 patients undergoing PVI by multielectrode RF-balloon catheter at Heidelberg University Hospital were included in this prospective study. Procedural outcome was analyzed over the course of increasing experience with the device. Results 157/157 pulmonary veins (PVs) were successfully isolated with the RF-balloon catheter, in 73.2% by a single RF-application. Median time to isolation (TTI) was 11.0 s (Q1 = 8.0 s; Q3 = 13.8 s). Median procedure time was 62.5 min (Q1 = 50.0 min; Q3 = 70.5 min). LA-dwell time was 28.5 min (Q1 = 23.3 min; Q3 = 36.5 min). Median fluoroscopy duration was 11.6 min (Q1 = 10.1 min; Q3 = 13.7 min). No serious procedure-related complications were observed, apart from one case of unclear, post-procedural acute-on-chronic kidney injury. With increasing operator experience, an additional reduction in procedure duration was observed. Conclusion Rapid implementation of a "single shot"-ablation device combining RF-ablation and 3D-mapping can be achieved with high acute procedural efficacy and safety at a high-volume center. Previous experience with "single-shot" ablation devices may be advantageous for time-efficient introduction of the novel RF-balloon catheter into clinical practice. Clinical Trial Registration ClinicalTrials.gov; Identifier NCT0560361.
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Affiliation(s)
- Maura M. Zylla
- Department of Cardiology, Medical University Hospital, Heidelberg, Germany
- HCR (Heidelberg Center for Heart Rhythm Disorders), Medical University Hospital, Heidelberg, Germany
- DZHK (German Center for Cardiovascular Research), Partner Site Heidelberg/Mannheim, Heidelberg, Germany
| | - Lydia Starrach
- Department of Cardiology, Medical University Hospital, Heidelberg, Germany
- HCR (Heidelberg Center for Heart Rhythm Disorders), Medical University Hospital, Heidelberg, Germany
- DZHK (German Center for Cardiovascular Research), Partner Site Heidelberg/Mannheim, Heidelberg, Germany
| | - Ann-Kathrin Rahm
- Department of Cardiology, Medical University Hospital, Heidelberg, Germany
- HCR (Heidelberg Center for Heart Rhythm Disorders), Medical University Hospital, Heidelberg, Germany
- DZHK (German Center for Cardiovascular Research), Partner Site Heidelberg/Mannheim, Heidelberg, Germany
| | - Dierk Thomas
- Department of Cardiology, Medical University Hospital, Heidelberg, Germany
- HCR (Heidelberg Center for Heart Rhythm Disorders), Medical University Hospital, Heidelberg, Germany
- DZHK (German Center for Cardiovascular Research), Partner Site Heidelberg/Mannheim, Heidelberg, Germany
| | - Norbert Frey
- Department of Cardiology, Medical University Hospital, Heidelberg, Germany
- HCR (Heidelberg Center for Heart Rhythm Disorders), Medical University Hospital, Heidelberg, Germany
- DZHK (German Center for Cardiovascular Research), Partner Site Heidelberg/Mannheim, Heidelberg, Germany
| | - Patrick Lugenbiel
- Department of Cardiology, Medical University Hospital, Heidelberg, Germany
- HCR (Heidelberg Center for Heart Rhythm Disorders), Medical University Hospital, Heidelberg, Germany
- DZHK (German Center for Cardiovascular Research), Partner Site Heidelberg/Mannheim, Heidelberg, Germany
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Almorad A, Del Monte A, Teumer Y, El Haddad M, Pannone L, Della Rocca DG, Audiat C, Cespón-Fernández M, Mouram S, Ramak R, Overeinder I, Bala G, Sorgente A, Ströker E, Sieira J, Brugada P, La Meir M, de Asmundis C, Chierchia GB. Safety of the Radiofrequency Balloon for Pulmonary Vein Isolation: A Focus on Lesion Metric Analysis of Posterior Electrodes. J Clin Med 2023; 12:6256. [PMID: 37834900 PMCID: PMC10573603 DOI: 10.3390/jcm12196256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 09/15/2023] [Accepted: 09/20/2023] [Indexed: 10/15/2023] Open
Abstract
Previous clinical studies on pulmonary vein isolation (PVI) with radiofrequency balloons (RFB) reported safe and effective procedures for a 20 s RF delivery via posterior electrodes. Recent recommendations from the manufacturer suggest reducing the application time to 15 s on the posterior wall (PW) when facing the esophagus region. Here, we retrospectively assess whether 15 s of RF delivery time on posterior electrodes is safe while still ensuring lesion metrics of sufficient quality. This retrospective study included 133 patients with paroxysmal and persistent atrial fibrillation who underwent PVI using an RFB (Heliostar, Biosense Webster, Inc., Irvine, CA, USA) at two European centers. The ablation protocol was set for an RF duration of 20 s/60 s for the posterior/anterior electrodes. A multielectrode temperature probe was systematically used. In the case of an esophageal temperature rise (ETR) above 42 °C (ETR+), an endoscopic evaluation was performed. All posterior electrode lesion metric dynamics (temperature (T) and impedance (Z)) were collected from the RFB generator and analyzed offline. In total, 2435 posterior electrode applications were analyzed. With an RF delivery of 19.8 (19.7-19.8) s, the median impedance drop was 18.4 (12.2-25.2) Ω, while the temperature rise was 11.1 (7.1-14.9) °C. Accordingly, impedance (84.6 (79.3-90.2) Ω) and temperature plateaus (38 (35.3-41.1) °C) were reached at 13.9 (10.6-16) s and 16.4 (12.6-18.5) s, respectively. Overall, 99.6% and 95.8% of electrodes reached 90% (16.6 Ω) and 95% (17.5 Ω) of their impedance drops within 15 s of RF delivery, while 97.2% and 92.8% achieved 90% (34.2 °C) and 95% (36.1 °C) of their temperature rise to reach the plateaus within 15 s of RF delivery. An ETR >42 °C occurred in 37 (30.1%) patients after 17.7 ± 2.3 s of RF delivery. In the ETR+ group, the impedance drop and temperature rise on the posterior electrodes were higher compared to patients where ETR was <42 °C. Two asymptomatic thermal esophageal injuries were observed. In conclusion, 15 s of RF delivery on the posterior electrodes provides a good balance between safety, with no esophageal temperature rise, and efficacy with high-profile lesion metrics.
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Affiliation(s)
- Alexandre Almorad
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.D.M.); (L.P.); (D.G.D.R.); (C.A.); (M.C.-F.); (S.M.); (R.R.); (I.O.); (G.B.); (A.S.); (E.S.); (J.S.); (P.B.); (G.-B.C.)
| | - Alvise Del Monte
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.D.M.); (L.P.); (D.G.D.R.); (C.A.); (M.C.-F.); (S.M.); (R.R.); (I.O.); (G.B.); (A.S.); (E.S.); (J.S.); (P.B.); (G.-B.C.)
| | - Yannick Teumer
- Department of Medicine II, Ulm University Medical Center, 89070 Ulm, Germany;
| | | | - Luigi Pannone
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.D.M.); (L.P.); (D.G.D.R.); (C.A.); (M.C.-F.); (S.M.); (R.R.); (I.O.); (G.B.); (A.S.); (E.S.); (J.S.); (P.B.); (G.-B.C.)
| | - Domenico Giovanni Della Rocca
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.D.M.); (L.P.); (D.G.D.R.); (C.A.); (M.C.-F.); (S.M.); (R.R.); (I.O.); (G.B.); (A.S.); (E.S.); (J.S.); (P.B.); (G.-B.C.)
| | - Charles Audiat
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.D.M.); (L.P.); (D.G.D.R.); (C.A.); (M.C.-F.); (S.M.); (R.R.); (I.O.); (G.B.); (A.S.); (E.S.); (J.S.); (P.B.); (G.-B.C.)
| | - María Cespón-Fernández
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.D.M.); (L.P.); (D.G.D.R.); (C.A.); (M.C.-F.); (S.M.); (R.R.); (I.O.); (G.B.); (A.S.); (E.S.); (J.S.); (P.B.); (G.-B.C.)
| | - Sahar Mouram
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.D.M.); (L.P.); (D.G.D.R.); (C.A.); (M.C.-F.); (S.M.); (R.R.); (I.O.); (G.B.); (A.S.); (E.S.); (J.S.); (P.B.); (G.-B.C.)
| | - Robbert Ramak
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.D.M.); (L.P.); (D.G.D.R.); (C.A.); (M.C.-F.); (S.M.); (R.R.); (I.O.); (G.B.); (A.S.); (E.S.); (J.S.); (P.B.); (G.-B.C.)
| | - Ingrid Overeinder
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.D.M.); (L.P.); (D.G.D.R.); (C.A.); (M.C.-F.); (S.M.); (R.R.); (I.O.); (G.B.); (A.S.); (E.S.); (J.S.); (P.B.); (G.-B.C.)
| | - Gezim Bala
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.D.M.); (L.P.); (D.G.D.R.); (C.A.); (M.C.-F.); (S.M.); (R.R.); (I.O.); (G.B.); (A.S.); (E.S.); (J.S.); (P.B.); (G.-B.C.)
| | - Antonio Sorgente
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.D.M.); (L.P.); (D.G.D.R.); (C.A.); (M.C.-F.); (S.M.); (R.R.); (I.O.); (G.B.); (A.S.); (E.S.); (J.S.); (P.B.); (G.-B.C.)
| | - Erwin Ströker
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.D.M.); (L.P.); (D.G.D.R.); (C.A.); (M.C.-F.); (S.M.); (R.R.); (I.O.); (G.B.); (A.S.); (E.S.); (J.S.); (P.B.); (G.-B.C.)
| | - Juan Sieira
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.D.M.); (L.P.); (D.G.D.R.); (C.A.); (M.C.-F.); (S.M.); (R.R.); (I.O.); (G.B.); (A.S.); (E.S.); (J.S.); (P.B.); (G.-B.C.)
| | - Pedro Brugada
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.D.M.); (L.P.); (D.G.D.R.); (C.A.); (M.C.-F.); (S.M.); (R.R.); (I.O.); (G.B.); (A.S.); (E.S.); (J.S.); (P.B.); (G.-B.C.)
| | - Mark La Meir
- Cardiac Surgery Department, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, 1090 Brussels, Belgium;
| | - Carlo de Asmundis
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.D.M.); (L.P.); (D.G.D.R.); (C.A.); (M.C.-F.); (S.M.); (R.R.); (I.O.); (G.B.); (A.S.); (E.S.); (J.S.); (P.B.); (G.-B.C.)
| | - Gian-Battista Chierchia
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, 1090 Brussels, Belgium; (A.D.M.); (L.P.); (D.G.D.R.); (C.A.); (M.C.-F.); (S.M.); (R.R.); (I.O.); (G.B.); (A.S.); (E.S.); (J.S.); (P.B.); (G.-B.C.)
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5
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Almorad A, Del Monte A, Della Rocca DG, Pannone L, Ramak R, Overeinder I, Bala G, Ströker E, Sieira J, Dubois A, Sorgente A, El Haddad M, Iacopino S, Boveda S, de Asmundis C, Chierchia GB. Outcomes of pulmonary vein isolation with radiofrequency balloon vs. cryoballoon ablation: a multi-centric study. Europace 2023; 25:euad252. [PMID: 37671682 PMCID: PMC10481252 DOI: 10.1093/europace/euad252] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 08/14/2023] [Indexed: 09/07/2023] Open
Abstract
AIMS Cryoballoon (CB) ablation is the mainstay of single-shot pulmonary vein isolation (PVI). A radiofrequency balloon (RFB) catheter has recently emerged as an alternative. However, these two technologies have not been compared. This study aims to evaluate the freedom from atrial tachyarrhythmias (ATas) at 1 year: procedural characteristics, efficacy, and safety of the novel RFB compared with CB for PVI in patients with paroxysmal atrial fibrillation (AF). METHODS AND RESULTS This prospective multi-centre study included consecutive patients with symptomatic drug-resistant paroxysmal AF who underwent PVI with RFB or CB between July 2021 and January 2022 from three European centres. A total of 375 consecutive patients were included, 125 in the RFB group and 250 in the CB. Both groups had comparable clinical characteristics. At 12.33 ± 4.91 months, ATas-free rates were 83.20% and 82.00% in the RFB and CB groups, respectively (P > 0.05). Compared with the CB group, the RFB group showed a shorter procedure time [59.91 (45.80-77.12) vs. 77.0 (35.13-122.71) min (P < 0.001)], dwell time [19.59 (14.41-30.24) vs. 27.03 (17.11-57.21) min (P = 0.04)], time to isolation, and thermal energy delivery in all pulmonary veins (P < 0.001). First-pass isolation was comparable. No major complications occurred in either group, with no stroke, atrio-oesophageal fistula, or permanent phrenic nerve injury. Transient phrenic nerve palsy occurred more frequently with CB than RFB (7.20% vs. 3.20%; P = 0.02). Oesophageal temperature rise occurred in 21 (16.8%) patients in the RFB group, and gastroscopy showed erythema in two of them with complete recovery after 30 days. CONCLUSIONS The RFB appears to have a safety and efficacy profile similar to that of the CB for PVI. Shorter procedural times appear to be driven by shorter left atrial dwell and thermal delivery times.
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Affiliation(s)
- Alexandre Almorad
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, Universitair Ziekenhuis Brussel—Vrije Universiteit Brussel, European Reference Networks Guard-Heart, Laarbeeklaan 101, 1090 Brussels, Belgium
| | - Alvise Del Monte
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, Universitair Ziekenhuis Brussel—Vrije Universiteit Brussel, European Reference Networks Guard-Heart, Laarbeeklaan 101, 1090 Brussels, Belgium
| | - Domenico Giovanni Della Rocca
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, Universitair Ziekenhuis Brussel—Vrije Universiteit Brussel, European Reference Networks Guard-Heart, Laarbeeklaan 101, 1090 Brussels, Belgium
| | - Luigi Pannone
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, Universitair Ziekenhuis Brussel—Vrije Universiteit Brussel, European Reference Networks Guard-Heart, Laarbeeklaan 101, 1090 Brussels, Belgium
| | - Robbert Ramak
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, Universitair Ziekenhuis Brussel—Vrije Universiteit Brussel, European Reference Networks Guard-Heart, Laarbeeklaan 101, 1090 Brussels, Belgium
| | - Ingrid Overeinder
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, Universitair Ziekenhuis Brussel—Vrije Universiteit Brussel, European Reference Networks Guard-Heart, Laarbeeklaan 101, 1090 Brussels, Belgium
| | - Gezim Bala
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, Universitair Ziekenhuis Brussel—Vrije Universiteit Brussel, European Reference Networks Guard-Heart, Laarbeeklaan 101, 1090 Brussels, Belgium
| | - Erwin Ströker
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, Universitair Ziekenhuis Brussel—Vrije Universiteit Brussel, European Reference Networks Guard-Heart, Laarbeeklaan 101, 1090 Brussels, Belgium
| | - Juan Sieira
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, Universitair Ziekenhuis Brussel—Vrije Universiteit Brussel, European Reference Networks Guard-Heart, Laarbeeklaan 101, 1090 Brussels, Belgium
| | - Aurélie Dubois
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, Universitair Ziekenhuis Brussel—Vrije Universiteit Brussel, European Reference Networks Guard-Heart, Laarbeeklaan 101, 1090 Brussels, Belgium
| | - Antonio Sorgente
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, Universitair Ziekenhuis Brussel—Vrije Universiteit Brussel, European Reference Networks Guard-Heart, Laarbeeklaan 101, 1090 Brussels, Belgium
| | | | - Saverio Iacopino
- Arrhythmology Department, Maria Cecilia Hospital SPA, Cotignola, Italy
| | - Serge Boveda
- Département de Rythmologie, Clinique Pasteur, 45 avenue de Lombez, BP 27617, 31076 Toulouse Cedex 3, France
| | - Carlo de Asmundis
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, Universitair Ziekenhuis Brussel—Vrije Universiteit Brussel, European Reference Networks Guard-Heart, Laarbeeklaan 101, 1090 Brussels, Belgium
| | - Gian-Battista Chierchia
- Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, Universitair Ziekenhuis Brussel—Vrije Universiteit Brussel, European Reference Networks Guard-Heart, Laarbeeklaan 101, 1090 Brussels, Belgium
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