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Noten AME, Romanov A, De Schouwer K, Beloborodov V, Bhagwandien R, Hoogendijk MG, Mikheenko I, Wijchers S, Yap SC, Schwagten B, Szili-Torok T. Robotic magnetic navigation-guided catheter ablation establishes highly effective pulmonary vein isolation in patients with paroxysmal atrial fibrillation when compared to conventional ablation techniques. J Cardiovasc Electrophysiol 2023; 34:2472-2483. [PMID: 37767745 DOI: 10.1111/jce.16081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/10/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023]
Abstract
INTRODUCTION Pulmonary vein isolation (PVI) is a pivotal part of ablative therapy for atrial fibrillation (AF). Currently, there are multiple techniques available to realize PVI, including: manual-guided cryoballoon (MAN-CB), manual-guided radiofrequency (MAN-RF), and robotic magnetic navigation-guided radiofrequency ablation (RMN-RF). There is a lack of large prospective trials comparing contemporary RMN-RF with the more conventional ablation techniques. This study prospectively compared three catheter ablation techniques as treatment of paroxysmal AF. METHODS This multicenter, prospective study included patients with paroxysmal AF who underwent their first ablation procedure. Procedural parameters (including procedural efficiency), complication rates, and freedom of AF during 12-month follow-up, were compared between three study groups which were defined by the utilized ablation technique. RESULTS A total of 221 patients were included in this study. Total procedure time was significantly shorter in MAN-CB (78 ± 21 min) compared to MAN-RF (115 ± 41 min; p < .001) and compared to RMN-RF (129 ± 32 min; p < .001), whereas it was comparable between the two radiofrequency (RF) groups (p = .062). A 3% complication rate was observed, which was comparable between all groups. At 12-month follow-up, AF recurrence was observed in 40 patients (19%) and was significantly lower in the robotic group (MAN-CB 19 [24%], MAN-RF 16 [23%], RMN-RF 5 [8%] AF recurrences, p = .045) (multivariate hazard ratio of RMN-RF on AF recurrence 0.32, 95% confidence interval: 0.12-0.87, p = .026). CONCLUSION RMN-guided PVI results in high freedom of AF in patients with paroxysmal AF, when compared to cryoablation and manual RF ablation. Cryoablation remains the most time-efficient ablation technique, whereas RMN nowadays has comparable efficiency with manual RF ablation.
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Affiliation(s)
- Anna M E Noten
- Department of Cardiology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Alexander Romanov
- E. Meshalkin National Medical Research Center of the Ministry of Health of the Russian Federation, Novosibirsk, Russia
| | - Koen De Schouwer
- Department of Cardiology, Ziekenhuis Netwerk Antwerpen, Antwerp, Belgium
| | - Vladimir Beloborodov
- E. Meshalkin National Medical Research Center of the Ministry of Health of the Russian Federation, Novosibirsk, Russia
| | - Rohit Bhagwandien
- Department of Cardiology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Mark G Hoogendijk
- Department of Cardiology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Igor Mikheenko
- E. Meshalkin National Medical Research Center of the Ministry of Health of the Russian Federation, Novosibirsk, Russia
| | - Sip Wijchers
- Department of Cardiology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Sing-Chien Yap
- Department of Cardiology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Bruno Schwagten
- Department of Cardiology, Ziekenhuis Netwerk Antwerpen, Antwerp, Belgium
| | - Tamas Szili-Torok
- Department of Cardiology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
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Gagyi RB, Yap SC, Noten AME, Wijchers S, Szili-Torok T. The performance of dipole charge density mapping integrated with robotic magnetic navigation in the treatment of atrial tachycardias. J Interv Card Electrophysiol 2023; 66:2103-2111. [PMID: 37076739 PMCID: PMC10694103 DOI: 10.1007/s10840-023-01552-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 04/14/2023] [Indexed: 04/21/2023]
Abstract
BACKGROUND Catheter ablation (CA) has become a well-established first-line therapy for a broad spectrum of arrhythmias, including atrial tachycardias (ATs). In this study we aimed to assess the performance of the integrated novel high-resolution new generation noncontact mapping system (AcQMap) with robotic magnetic navigation (RMN) system in CA procedures for patients with ATs including comparing patient subgroups based on the utilized mapping modality, arrhythmia mechanism, localization and type of procedure. METHODS All patients undergoing CA for AT using the AcQMap-RMN system were included. Procedural safety and efficacy were characterized by intra- and post-procedural complications. Acute procedural success and the long-term outcome were assessed in the overall group and in the subgroups. RESULTS A total number of 70 patients were referred for CA with atrial arrhythmias including 67 AT/AFL (mean age 57.1 ± 14.4 years), and 3 additional patients with inappropriate sinus tachycardia. Thirty-eight patients had de novo AT, 24 had post-PVI AT including 2 patients with perinodal AT, and 5 had post-MAZE AT. Two patients (2.9%) suffered post-procedural complications including 1 patient with groin hematoma and 1 patient with a transient ischemic attack. Acute success was achieved in 63/67 (94.0%) procedures. Thirteen patients (19.4%) had documented recurrence at the end of the 12-months follow-up period. The performance of AcQMap was equally good in focal vs. reentry mechanisms (p = 0.61, acute success), in the left and right atrium (p = 0.21). CONCLUSIONS AcQMap-RMN integration might improve success rates in CA of ATs with low number of complications.
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Affiliation(s)
- Rita B Gagyi
- Thoraxcenter, Department of Clinical Electrophysiology, Postbus 2040, 3000 CA Rotterdam, Molewaterplein 40, 3015 GD Rotterdam, Erasmus, MC, The Netherlands
| | - Sing-Chien Yap
- Thoraxcenter, Department of Clinical Electrophysiology, Postbus 2040, 3000 CA Rotterdam, Molewaterplein 40, 3015 GD Rotterdam, Erasmus, MC, The Netherlands
| | - Anna M E Noten
- Thoraxcenter, Department of Clinical Electrophysiology, Postbus 2040, 3000 CA Rotterdam, Molewaterplein 40, 3015 GD Rotterdam, Erasmus, MC, The Netherlands
| | - Sip Wijchers
- Thoraxcenter, Department of Clinical Electrophysiology, Postbus 2040, 3000 CA Rotterdam, Molewaterplein 40, 3015 GD Rotterdam, Erasmus, MC, The Netherlands
| | - Tamas Szili-Torok
- Thoraxcenter, Department of Clinical Electrophysiology, Postbus 2040, 3000 CA Rotterdam, Molewaterplein 40, 3015 GD Rotterdam, Erasmus, MC, The Netherlands.
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Gagyi RB, Noten AM, Wijchers S, Yap SC, Bhagwandien RE, Hoogendijk MG, Szili-Torok T. Dipole charge density mapping integrated in remote magnetic navigation: First-in-human feasibility study. IJC HEART & VASCULATURE 2022; 42:101095. [PMID: 35899072 PMCID: PMC9309500 DOI: 10.1016/j.ijcha.2022.101095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 06/22/2022] [Accepted: 07/18/2022] [Indexed: 11/23/2022]
Abstract
Aims Robotic magnetic navigation (RMN) provides increased catheter precision and stability. Formerly, only the CARTO 3 mapping system was integrated with the RMN system (CARTO-RMN). Recently, a novel high-resolution non-contact mapping system (AcQMap) has been integrated with the RMN system (AcQMap-RMN) for the treatment of atrial fibrillation (AF) and atrial tachycardias (AT). We aim to compare the safety, efficiency, and efficacy of AcQMap-RMN with CARTO-RMN guided catheter ablation (CA) procedures. Material and methods In this prospective registry, procedural safety efficiency and outcome data from total of 238 consecutive patients (147 AcQMap-RMN and 91 CARTO-RMN patients) were compared. Results AcQMap-RMN is non-inferior in the primary endpoint of safety as compared to CARTO-RMN across the whole group (overall procedural complications in 5 (3.4%) vs. 3 (3.3%) patients, p = 1.0). Overall procedure durations were longer and associated with more fluoroscopy use with AcQMap-RMN (172.5 vs. 129.6 min, p < 0.01; 181.0 vs. 131.0 mGy, p = 0.02, respectively). Procedure duration and fluoroscopy use decreased significantly between the first 30 and the last 30 AcQMap-RMN procedures. The AcQMap-RMN system had fewer recurrences after persistent AF ablations and was non-inferior in paroxysmal AF patients compared to CARTO-RMN at 12 months (36.6% vs. 75.0%, p = 0.04, PAF 6.6% vs. 12.5%, p = 0.58; respectively). CA of AT outcomes were better using the AcQMap-RMN system (1 year recurrence 17.1% vs. 38.7%, p < 0.05). Conclusion AcQMap-RMN integration has no negative impact on the excellent safety profile of RMN guided ablations. It improves outcomes of CA procedures for persAF and AT but requires longer procedure times and higher fluoroscopy use during the initial learning phase.
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The First Evaluation of Remote Magnetic Navigation-Guided Pediatric Ventricular Arrhythmia Ablation. Pediatr Cardiol 2022; 43:1695-1703. [PMID: 35486130 PMCID: PMC9587922 DOI: 10.1007/s00246-022-02900-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 03/28/2022] [Indexed: 10/18/2022]
Abstract
Catheter ablation (CA) is an important treatment option for ventricular arrhythmias (VA) in pediatric cardiology. Currently, various CA techniques are available, including remote magnetic navigation (RMN)-guided radiofrequency (RF) ablation. However, no studies evaluate RMN-guided ablative therapy outcomes in children with VA yet. This study aimed to compare procedural and long-term outcomes between RMN-guided and manual (MAN)-guided VA ablation in children. This single-center, retrospective study included all CA procedures for VA performed in children with or without structural heart disease from 2008 until 2020. Two study groups were defined by CA technique: RMN or MAN. Primary outcome was recurrence of VA. Baseline clinical, procedural and safety data were also evaluated. This study included 22 patients, who underwent 30 procedures, with a median age of 15 (IQR 14-17; range 1-17) years and a mean weight of 57 ± 20 kg. In total, 14 procedures were performed using RMN and 16 using MAN (22 first and 8 redo procedures). Regarding first procedures, recurrence rates were significantly lower in RMN compared to MAN (20% versus 67%, P = 0.029), at a mean follow-up of 5.2 ± 3.0 years. Moreover, fluoroscopy dosages were significantly lower in RMN compared to MAN [20 (IQR 14-54) versus 48 (IQR 38-62) mGy, P = 0.043]. In total, 20 patients (91%) were free of VA following their final ablation procedure. This is the first study to investigate the use of RMN in pediatric VA ablation. RMN showed improved outcomes compared to MAN, resulting in lower VA recurrence and reduced fluoroscopy exposure.
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Noten AME, Kammeraad JAE, Ramdat Misier NL, Wijchers S, van Beynum IM, Dalinghaus M, Krasemann TB, Yap SC, de Groot NMS, Szili-Torok T. Remote magnetic navigation shows superior long-term outcomes in pediatric atrioventricular (nodal) tachycardia ablation compared to manual radiofrequency and cryoablation. IJC HEART & VASCULATURE 2021; 37:100881. [PMID: 34646933 PMCID: PMC8495098 DOI: 10.1016/j.ijcha.2021.100881] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 08/17/2021] [Accepted: 09/20/2021] [Indexed: 11/25/2022]
Abstract
Background Catheter ablation (CA) is the first-choice treatment for tachyarrhythmia in children. Currently available CA techniques differ in mechanism of catheter navigation and energy sources. There are no large studies comparing long-term outcomes between available CA techniques in a pediatric population with atrioventricular reentry tachycardia (AVRT) or atrioventricular nodal reentry tachycardia (AVNRT) mechanisms. Objective This study aimed to compare procedural and long-term outcomes of remote magnetic navigation-guided radiofrequency (RF) ablation (RMN), manual-guided RF ablation (MAN) and manual-guided cryoablation (CRYO). Methods This single-center, retrospective study included all first consecutive CA procedures for AVRT or AVNRT performed in children without structural heart disease from 2008 to 2019. Three study groups were defined by the ablation technique used: RMN, MAN or CRYO. Primary outcome was long-term recurrence of tachyarrhythmia. Results In total, we included 223 patients, aged 14 (IQR 12-16) years; weighting 56 (IQR 47-65) kilograms. In total, 108 procedures were performed using RMN, 76 using MAN and 39 using CRYO. RMN had significantly lower recurrence rates compared to MAN and CRYO at mean follow-up of 5.5 ± 2.9 years (AVRT: 4.3% versus 15.6% versus 54.5%, P < 0.001; AVNRT: 7.7% versus 8.3% versus 35.7%, P = 0.008; for RMN versus MAN versus CRYO respectively). In AVNRT ablation, RMN had significantly lower fluoroscopy doses compared to CRYO [30 (IQR 20-41) versus 45 (IQR 29-65) mGy, P = 0.040). Conclusion In pediatric patients without structural heart disease who underwent their first AV(N)RT ablation, RMN has superior long-term outcomes compared to MAN and CRYO, in addition to favorable fluoroscopy doses.
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Key Words
- AP, accessory pathway
- AVNRT, atrioventricular nodal reentry tachycardia
- AVRT, atrioventricular reentry tachycardia
- Atrioventricular nodal reentry tachycardia
- Atrioventricular reentry tachycardia
- CA, catheter ablation
- CHD, congenital heart defect
- CRYO, cryoablation
- Catheter ablation
- Cryoablation
- DAP, dose area product
- EAM, electro-anatomic mapping
- ECG, electrocardiogram
- MAN, manual
- Pediatrics
- RF, radiofrequency
- RMN, remote magnetic navigation
- Radiofrequency ablation
- Remote magnetic navigation
- SVT, supraventricular tachycardia
- Supraventricular tachycardia
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Affiliation(s)
- Anna M E Noten
- Department of Cardiology, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Janneke A E Kammeraad
- Department of Pediatric Cardiology, Sophia Children's Hospital, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Nawin L Ramdat Misier
- Department of Cardiology, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Sip Wijchers
- Department of Cardiology, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Ingrid M van Beynum
- Department of Pediatric Cardiology, Sophia Children's Hospital, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Michiel Dalinghaus
- Department of Pediatric Cardiology, Sophia Children's Hospital, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Thomas B Krasemann
- Department of Pediatric Cardiology, Sophia Children's Hospital, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Sing-Chien Yap
- Department of Cardiology, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Natasja M S de Groot
- Department of Cardiology, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Tamas Szili-Torok
- Department of Cardiology, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
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Ábrahám P, Ambrus M, Herczeg S, Szegedi N, Nagy KV, Salló Z, Osztheimer I, Széplaki G, Tahin T, Merkely B, Gellér L. Similar outcomes with manual contact force ablation catheters and traditional catheters in the treatment of outflow tract premature ventricular complexes. Europace 2021; 23:596-602. [PMID: 33576378 PMCID: PMC8025084 DOI: 10.1093/europace/euaa393] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 12/07/2020] [Indexed: 11/12/2022] Open
Abstract
Aims Unlike in atrial fibrillation ablation, there is a lack of appropriately sized and properly designed studies regarding outflow tract (OT) premature ventricular complex (PVC) ablation outcomes with contact force sensing (CFS) catheters. We aimed to compare the acute success-, complication-, and long-term recurrence rates of manual CFS catheters with traditional irrigated catheters (T) in OT PVC ablation. Methods and results Single-centre, propensity-matched data of 75–75 patients ablated for right-sided OT (RVOT) or left-sided OT (LVOT) PVCs in 2015–17 with CFS or T catheters were compared. Acute success rate, peri-procedural complications, post-procedural daily PVC burden, and long-term recurrence rates were compared on intention-to-treat basis. Acute success rate equalled 80% in both groups, with no difference in force values in the CFS group comparing successful or failed cases [12.0 (8.75–17.0) vs. 16.0 (10.25–22.25) g, P = 0.21]. There were three cases of pseudo-aneurysm and one cardiac tamponade. PVC burden fell significantly from baseline 22 (15–30)% to 2 (0–10)% (P < 0.0001), with no difference between catheter types [CFS: 1 (0–7)% vs. T: 4 (1–12) %; P = 0.21]. There was no significant difference in recurrence-free survival of CFS and T catheters (58 vs. 59%, P = 0.29) during 12 months of follow-up, respectively. Recurrence in the CFS group did not differ either by the force exerted below or above the median value of 12 g (P = 0.66). Conclusion Both types of catheters can effectively reduce OT PVC burden with minimal serious complication rates. Ablation with CFS or T catheters gives similar acute- and long-term results.
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Affiliation(s)
- Pál Ábrahám
- Department of Cardiology, Semmelweis University Heart and Vascular Centre, Városmajor Street 68, H-1122 Budapest, Hungary
- Corresponding author. Tel: +36 20 666 3875; fax: +36 1 458 6842. E-mail address:
| | - Mercédesz Ambrus
- Department of Cardiology, Semmelweis University Heart and Vascular Centre, Városmajor Street 68, H-1122 Budapest, Hungary
| | - Szilvia Herczeg
- Department of Cardiology, Semmelweis University Heart and Vascular Centre, Városmajor Street 68, H-1122 Budapest, Hungary
| | - Nándor Szegedi
- Department of Cardiology, Semmelweis University Heart and Vascular Centre, Városmajor Street 68, H-1122 Budapest, Hungary
| | - Klaudia Vivien Nagy
- Department of Cardiology, Semmelweis University Heart and Vascular Centre, Városmajor Street 68, H-1122 Budapest, Hungary
| | - Zoltán Salló
- Department of Cardiology, Semmelweis University Heart and Vascular Centre, Városmajor Street 68, H-1122 Budapest, Hungary
| | - István Osztheimer
- Department of Cardiology, Semmelweis University Heart and Vascular Centre, Városmajor Street 68, H-1122 Budapest, Hungary
| | - Gábor Széplaki
- Department of Cardiology, Semmelweis University Heart and Vascular Centre, Városmajor Street 68, H-1122 Budapest, Hungary
| | - Tamás Tahin
- Department of Cardiology, Semmelweis University Heart and Vascular Centre, Városmajor Street 68, H-1122 Budapest, Hungary
| | - Béla Merkely
- Department of Cardiology, Semmelweis University Heart and Vascular Centre, Városmajor Street 68, H-1122 Budapest, Hungary
| | - László Gellér
- Department of Cardiology, Semmelweis University Heart and Vascular Centre, Városmajor Street 68, H-1122 Budapest, Hungary
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