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Flutter ablation with remote magnetic navigation: comparison between the 8-mm tip, the irrigated tip and a manual approach

(2011) ACTA CARDIOLOGICA. 66(3). p.287-292
Author
Organization
Abstract
Introduction: Remote magnetic navigated ablation has proven its feasibility in a large group of arrhythmias. Until now only scarce data are available on the use for atrial flutter. In this study we compared remote magnetic navigation (RMN), using non-irrigated and irrigated tip catheters, to manual radiofrequency ablation for ablating typical atrial flutter. Methods: The 3 study groups consisted of 17 patients treated with RMN 8-mm tip; 14 patients with RMN irrigated tip; and 24 patients with a manual 8-mm tip. The primary outcome was the number of patients in whom bidirectional isthmus block could be obtained with 15 applications. Secondary end points were the median number of applications needed, the need to switch to a manual irrigated tip catheter, the procedural and fluoroscopy times. Results: There was no significant difference in the primary end point (RMN 8 mm-tip group: 59%, RMN irrigated tip group: 64% and manual group: 83%). The median number of applications needed to obtain block was higher in the RMN groups compared to the manual group. In 5 patients from the RMN 8-mm tip group, 1 in the RMN irrigated tip group and 1 in the manual group, a switch to a manually irrigated tip catheter was performed. There was no difference in fluoroscopy time, but procedural time was significantly longer in the RMN groups compared to the manual group (P = 0.03). Conclusions: The use of magnetic navigation for the ablation of atrial flutter is feasible but not superior to a manual approach. There was no difference concerning the primary end point of acute success within 15 applications. Overall, more applications were needed and procedure times were longer with RMN but RMN with the irrigating tip is promising.
Keywords
Atrial flutter, remote magnetic navigation, radiofrequency ablation, cavotricuspid isthmus, ATRIAL-FLUTTER, CATHETER NAVIGATION, FOLLOW-UP, ISTHMUS, RADIOFREQUENCY, TACHYCARDIA, SYSTEM

Citation

Please use this url to cite or link to this publication:

MLA
Anne, Wim et al. “Flutter Ablation with Remote Magnetic Navigation: Comparison Between the 8-mm Tip, the Irrigated Tip and a Manual Approach.” ACTA CARDIOLOGICA 66.3 (2011): 287–292. Print.
APA
Anne, Wim, Schwagten, B., Janse, P., Bauernfeind, T., Van Belle, Y., De Groot, N., Knops, P., et al. (2011). Flutter ablation with remote magnetic navigation: comparison between the 8-mm tip, the irrigated tip and a manual approach. ACTA CARDIOLOGICA, 66(3), 287–292.
Chicago author-date
Anne, Wim, Bruno Schwagten, Petter Janse, Tamas Bauernfeind, Yves Van Belle, Natasja De Groot, Paul Knops, Luc Jordaens, and Tamas Szili-Torok. 2011. “Flutter Ablation with Remote Magnetic Navigation: Comparison Between the 8-mm Tip, the Irrigated Tip and a Manual Approach.” Acta Cardiologica 66 (3): 287–292.
Chicago author-date (all authors)
Anne, Wim, Bruno Schwagten, Petter Janse, Tamas Bauernfeind, Yves Van Belle, Natasja De Groot, Paul Knops, Luc Jordaens, and Tamas Szili-Torok. 2011. “Flutter Ablation with Remote Magnetic Navigation: Comparison Between the 8-mm Tip, the Irrigated Tip and a Manual Approach.” Acta Cardiologica 66 (3): 287–292.
Vancouver
1.
Anne W, Schwagten B, Janse P, Bauernfeind T, Van Belle Y, De Groot N, et al. Flutter ablation with remote magnetic navigation: comparison between the 8-mm tip, the irrigated tip and a manual approach. ACTA CARDIOLOGICA. 2011;66(3):287–92.
IEEE
[1]
W. Anne et al., “Flutter ablation with remote magnetic navigation: comparison between the 8-mm tip, the irrigated tip and a manual approach,” ACTA CARDIOLOGICA, vol. 66, no. 3, pp. 287–292, 2011.
@article{8135570,
  abstract     = {Introduction: Remote magnetic navigated ablation has proven its feasibility in a large group of arrhythmias. Until now only scarce data are available on the use for atrial flutter. In this study we compared remote magnetic navigation (RMN), using non-irrigated and irrigated tip catheters, to manual radiofrequency ablation for ablating typical atrial flutter. 
Methods: The 3 study groups consisted of 17 patients treated with RMN 8-mm tip; 14 patients with RMN irrigated tip; and 24 patients with a manual 8-mm tip. The primary outcome was the number of patients in whom bidirectional isthmus block could be obtained with 15 applications. Secondary end points were the median number of applications needed, the need to switch to a manual irrigated tip catheter, the procedural and fluoroscopy times. 
Results: There was no significant difference in the primary end point (RMN 8 mm-tip group: 59%, RMN irrigated tip group: 64% and manual group: 83%). The median number of applications needed to obtain block was higher in the RMN groups compared to the manual group. In 5 patients from the RMN 8-mm tip group, 1 in the RMN irrigated tip group and 1 in the manual group, a switch to a manually irrigated tip catheter was performed. There was no difference in fluoroscopy time, but procedural time was significantly longer in the RMN groups compared to the manual group (P = 0.03). 
Conclusions: The use of magnetic navigation for the ablation of atrial flutter is feasible but not superior to a manual approach. There was no difference concerning the primary end point of acute success within 15 applications. Overall, more applications were needed and procedure times were longer with RMN but RMN with the irrigating tip is promising.},
  author       = {Anne, Wim and Schwagten, Bruno and Janse, Petter and Bauernfeind, Tamas and Van Belle, Yves and De Groot, Natasja and Knops, Paul and Jordaens, Luc and Szili-Torok, Tamas},
  issn         = {0001-5385},
  journal      = {ACTA CARDIOLOGICA},
  keywords     = {Atrial flutter,remote magnetic navigation,radiofrequency ablation,cavotricuspid isthmus,ATRIAL-FLUTTER,CATHETER NAVIGATION,FOLLOW-UP,ISTHMUS,RADIOFREQUENCY,TACHYCARDIA,SYSTEM},
  language     = {eng},
  number       = {3},
  pages        = {287--292},
  title        = {Flutter ablation with remote magnetic navigation: comparison between the 8-mm tip, the irrigated tip and a manual approach},
  url          = {http://dx.doi.org/10.2143/AC.66.3.2114127},
  volume       = {66},
  year         = {2011},
}

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