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Real-time rotational activity detection in atrial fibrillation

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dc.affiliation.dptoUC3M. Departamento de Teoría de la Señal y Comunicacioneses
dc.affiliation.dptoUC3M. Departamento de Bioingenieríaes
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Tratamiento de la Señal y Aprendizaje (GTSA)es
dc.affiliation.grupoinvUC3M. Grupo de Investigación: BSEL - Laboratorio de Ciencia e Ingeniería Biomédicaes
dc.contributor.authorRíos Muñoz, Gonzalo Ricardo
dc.contributor.authorArenal, Ángel
dc.contributor.authorArtés Rodríguez, Antonio
dc.contributor.funderComunidad de Madrides
dc.contributor.funderMinisterio de Economía y Competitividad (España)es
dc.date.accessioned2023-06-08T07:18:02Z
dc.date.available2022-02-16T08:51:39Z
dc.date.issued2018-03
dc.descriptionCorrigendum: Real-Time Rotational Activity Detection in Atrial Fibrillation, Frontiers in Physiology., 04 September 2018. https://doi.org/10.3389/fphys.2018.01260en
dc.description.abstractRotational activations, or spiral waves, are one of the proposed mechanisms for atrial fibrillation (AF) maintenance. We present a system for assessing the presence of rotational activity from intracardiac electrograms (EGMs). Our system is able to operate in real-time with multi-electrode catheters of different topologies in contact with the atrial wall, and it is based on new local activation time (LAT) estimation and rotational activity detection methods. The EGM LAT estimation method is based on the identification of the highest sustained negative slope of unipolar signals. The method is implemented as a linear filter whose output is interpolated on a regular grid to match any catheter topology. Its operation is illustrated on selected signals and compared to the classical Hilbert-Transform-based phase analysis. After the estimation of the LAT on the regular grid, the detection of rotational activity in the atrium is done by a novel method based on the optical flow of the wavefront dynamics, and a rotation pattern match. The methods have been validated using in silico and real AF signals.en
dc.description.sponsorshipThis work has been partly supported by MINECO/FEDER (ADVENTURE, id. TEC2015-69868-C2-1-R), Comunidad de Madrid (project CASI-CAM-CM, id. S2013/ICE-2845), and the grant Beca de la Sección de Electrofisiología y Arritmias de la SEC.en
dc.format.extent17
dc.identifier.bibliographicCitationRíos-Muñoz, G. R., Arenal, N. & Artés-Rodríguez, A. (2018). Real-Time Rotational Activity Detection in Atrial Fibrillation. Frontiers in Physiology, 9:208.en
dc.identifier.doihttps://doi.org/10.3389/fphys.2018.00208
dc.identifier.issn1664-042X
dc.identifier.publicationfirstpage1
dc.identifier.publicationissue208
dc.identifier.publicationlastpage17
dc.identifier.publicationtitleFrontiers in Physiologyen
dc.identifier.publicationvolume9
dc.identifier.urihttps://hdl.handle.net/10016/34131
dc.identifier.uxxiAR/0000027384
dc.identifier.uxxiAR/0000029262
dc.language.isoengen
dc.publisherFrontiers Mediaen
dc.relation.ispartofhttps://doi.org/10.3389/fphys.2018.01260
dc.relation.projectIDComunidad de Madrid. S2013/ICE-2845
dc.relation.projectIDGobierno de España. TEC2015-69868-C2-1-R
dc.rights© 2018 Ríos-Muñoz, Arenal and Artés-Rodríguez. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.en
dc.rightsAtribución 3.0 España
dc.rights.accessRightsopen access
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/
dc.subject.ecienciaTelecomunicacioneses
dc.subject.otherAtrial fibrillationen
dc.subject.otherMulti-electrode catheteren
dc.subject.otherSignal processingen
dc.subject.otherReal-timeen
dc.subject.otherRotorsen
dc.subject.otherRotational activityen
dc.titleReal-time rotational activity detection in atrial fibrillationen
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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