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Communication dans un congrès
Impact of bipolar electrodes contact on fractionation index measurement.
Abstract : : Signals such as Complex Fractionated Atrial Electrograms (CFAE) are tracked during ablation procedures to locate the arrhythmical substrate regions. Most of CFAE classification tools use fractionation indexes. However, recordings from intracardiac catheter depend on electrode contact quality. This paper investigates the impact of electrode contact area on fractionation indexes. It is assessed through three kinds of arrhythmical activations resulting from a numerical simulation of a small piece of the cardiac tissue. Bipolar electrograms are extracted corresponding to 25 different contact areas and fractionation indexes (Shannon entropy, non linear energy operator and maximum peak ratio) are computed. Results yield that the Shannon entropy offers a good potential discrimination between arrhythmic scenarios and is less sensitive to the electrode contact variation.
https://hal-univ-bourgogne.archives-ouvertes.fr/hal-00872243
Contributeur : Sabir Jacquir Connectez-vous pour contacter le contributeur
Soumis le : vendredi 11 octobre 2013 - 14:53:38
Dernière modification le : mardi 19 octobre 2021 - 11:45:39
Contributeur : Sabir Jacquir Connectez-vous pour contacter le contributeur
Soumis le : vendredi 11 octobre 2013 - 14:53:38
Dernière modification le : mardi 19 octobre 2021 - 11:45:39