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Journal of Interventional Cardiac Electrophysiology

Published in:

01-04-2011

CARTO-guided vs. NavX-guided pulmonary vein antrum isolation and pulmonary vein antrum isolation performed without 3-D mapping: effect of the 3-D mapping system on procedure duration and fluoroscopy time

Authors: Yaariv Khaykin, Richard Oosthuizen, Lauren Zarnett, Zaev A. Wulffhart, Bonnie Whaley, Carol Hill, David Giewercer, Atul Verma

Published in: Journal of Interventional Cardiac Electrophysiology | Issue 3/2011

Abstract

Purpose

Pulmonary vein antrum isolation (PVAI) guided by intracardiac echocardiography and a roaming circular mapping catheter is an effective treatment modality for atrial fibrillation. Unfortunately, the complexity of this technique leads to long procedure times and high fluoroscopy exposure. This study examined the effect of two different mapping systems on the procedural characteristics and clinical outcomes of PVAI for atrial fibrillation.

Methods

Referred patients underwent PVAI using a magnetic-based 3-dimensional (3-D) mapping (CARTO® System; group 1), a current-based system (EnSite NavX™; group 2), or fluoroscopy without 3-D mapping (group 3) between February 2004 and November 2009.

Results

Data were analyzed from 71 patients in group 1, 165 patients in group 2, and 197 patients in group 3. Baseline characteristics and measured long-term outcomes did not differ between the groups. Although patients in group 1 were more likely to undergo a concurrent flutter ablation (P = 0.01), they had significantly shorter procedure time, fluoroscopy time, and radiofrequency energy delivery time compared with group 2 and 3 patients. No difference was detected among the groups with respect to recurrence, mean time to recurrence, or number of PVAI procedures.

Conclusions

Use of a magnetic-based 3-D mapping system, which allows precise spatial localization of the ablation catheter, was associated with significantly lower procedure time, fluoroscopy duration, and radiofrequency energy delivery time during catheter ablation for atrial fibrillation compared with a current-based system and ablation performed without 3-D mapping, although measured short- and long-term clinical outcomes were similar.

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Title: CARTO-guided vs. NavX-guided pulmonary vein antrum isolation and pulmonary vein antrum isolation performed without 3-D mapping: effect of the 3-D mapping system on procedure duration and fluoroscopy time
Authors: Yaariv Khaykin
Richard Oosthuizen
Lauren Zarnett
Zaev A. Wulffhart
Bonnie Whaley
Carol Hill
David Giewercer
Atul Verma
Publication date: 01-04-2011
Publisher: Springer US
Published in: Journal of Interventional Cardiac Electrophysiology / Issue 3/2011
Print ISSN: 1383-875X
Electronic ISSN: 1572-8595
DOI: https://doi.org/10.1007/s10840-010-9538-9

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CARTO-guided vs. NavX-guided pulmonary vein antrum isolation and pulmonary vein antrum isolation performed without 3-D mapping: effect of the 3-D mapping system on procedure duration and fluoroscopy time

Abstract

Purpose

Methods

Results

Conclusions

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