A New Method for ECG Tracking of Persistent Atrial Fibrillation Termination during Stepwise Ablation

Details

Ressource 1Download: BIB_3DD714500BB5.P001.pdf (153.91 [Ko])
State: Public
Version: author
Serval ID
serval:BIB_3DD714500BB5
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
A New Method for ECG Tracking of Persistent Atrial Fibrillation Termination during Stepwise Ablation
Journal
Computers in Cardiology
Author(s)
Buttu A., Van Zaen J., Rocha V., Forclaz A., Pascale P., Narayan S.M., Vesin J.M., Pruvot E.
ISSN
0276-6574
Publication state
Published
Issued date
2011
Volume
38
Pages
165-168
Language
english
Notes
38th Annual Scientific Conference of Computing in Cardiology, Hangzhou, China, September 18-21, 2011
Abstract
Stepwise radiofrequency catheter ablation (step-CA) has become the treatment of choice for the restoration of sinus rhythm (SR) in patients with long-standing persistent atrial fibrillation (pers-AF). Its success rate appears limited as the amount of ablation to achieve long term SR is unknown. Multiple organization indexes (OIs) have been previously developed to track the organization of AF during step-CA, however, with limited success. We report an adaptive method for tracking AF termination (AF-term) based on OIs characterizing the relationship between harmonic components of atrial activity from the surface ECG of AF activity. By computing their relative evolution during the last two steps preceding AF-term, we found that the performance of our OIs was superior to classical indices to track the efficiency of step-CA "en route" to AF-term. Our preliminary results suggest that the gradual synchronization between the fundamental and its first harmonic of AF activity appears as a promising parameter for predicting AF-term during step-CA.
Create date
18/01/2013 17:06
Last modification date
20/08/2019 13:34
Usage data