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Listar por palabra clave "Electrocardiographic imaging"

Mostrando ítems 1-13 de 13

Arrhythmia Mechanism and Scaling Effect on the Spectral Properties of Electroanatomical Maps with Manifold Harmonics

Sanroman-Junquera, Margarita; Mora-Jimenez, Inmaculada; Garcia-Alberola, Arcadio; Caamano, Antonio J.; Trénor Gomis, Beatriz Ana; Rojo-Alvarez, Jose L. (Institute of Electrical and Electronics Engineers, 2018)

[EN] Introduction: Spatial and temporal processing of intracardiac electrograms provides relevant information to support the arrhythmia ablation during electrophysio-logical studies. Current cardiac navigation systems (CNS) ...
Definition of a Sensitivity Profile for Drug Treatment and Identification on Clinical Biomarkers in Atrial Fibrillation

Sánchez de la Nava, Ana María (Universitat Politècnica de València, 2022-07-21)

[ES] La fibrilación auricular (FA) es una de las arritmias más comunes en la práctica clínica cuyos mecanismos, hasta ahora, no han sido comprendidos en su totalidad. El estudio de dichos mecanismos mediante el estudio de ...
Effects of Geometry in Atrial Fibrillation Markers Obtained With Electrocardiographic Imaging

Molero-Alabau, Rubén; Climent, Andreu M.; Hernández-Romero, Ismael; Liberos, Alejandro; Fernández-Avilés, Francisco; Atienza, Felipe; Guillem Sánchez, María Salud; Rodrigo, Miguel (IEEE, 2019-09-11)

[EN] Electrocardiographic imaging (ECGI) can characterise cardiac pathologies such as atrial fibrillation (AF) through specific markers based on frequency or phase analysis. In this study, the effect of the geometry of ...
Effects of torso mesh density and electrode distribution on the accuracy of electrocardiographic imaging during atrial fibrillation

Molero-Alabau, Rubén; Gonzalez-Ascaso, Ana; Hernández-Romero, Ismael; Lundbäck-Mompó, David; Andreu M. Climent; Guillem Sánchez, María Salud (Frontiers Media SA, 2022-08-29)

[EN] Introduction: Electrocardiographic Imaging (ECGI) allows computing the electrical activity in the heart non-invasively using geometrical information of the patient and multiple body surface signals. In the present ...
Electrocardiographic Imaging for Atrial Fibrillation: A Perspective From Computer Models and Animal Experiments to Clinical Value

Salinet, Joao; Molero-Alabau, Rubén; Schlindwein, Fernando S.; Karel, Joël; Rodrigo, Miguel; Rojo-Álvarez, José Luis; Berenfeld, Omer; Climent, Andreu M.; Zenger, Brian; Vanheusden, Frederique; Siles Paredes, Jimena Gabriela; MacLeod, Rob; Atienza, Felipe; Guillem Sánchez, María Salud; Cluitmans, Matthijs; Bonizzi, Pietro (Frontiers Media SA, 2021-04-30)

[EN] Electrocardiographic imaging (ECGI) is a technique to reconstruct non-invasively the electrical activity on the heart surface from body-surface potential recordings and geometric information of the torso and the heart. ...
Filtering strategies of electrocardiographic imaging signals for stratification of atrial fibrillation patients

Molero-Alabau, Rubén; Hernández-Romero, Ismael; M. Climent, Andreu; Guillem Sánchez, María Salud (Elsevier, 2023-03)

[EN] Background and objective: Electrocardiographic imaging (ECGI) has been used for guiding atrial fibrillation (AF) ablation, identifying reentrant activity by phase analysis with promising results. The objective of ...
Higher reproducibility of phase derived metrics from electrocardiographic imaging during atrial fibrillation in patients remaining in sinus rhythm after pulmonary vein isolation

Molero-Alabau, Rubén; Soler Torro, Jose Manuel; Martínez Alzamora, Mª Nieves; Climent, Andreu M.; Guillem Sánchez, María Salud (Elsevier, 2021-12)

[EN] Background: Electrocardiographic imaging (ECGI) allows evaluating the complexity of the reentrant activity of atrial fibrillation (AF) patients. In this study, we evaluated the ability of ECGI metrics to predict the ...
Highest dominant frequency and rotor positions are robust markers of driver location during noninvasive mapping of atrial fibrillation: A computational study

RODRIGO BORT, MIGUEL; Climent, Andreu M.; Liberos Mascarell, Alejandro; Fernandez-Aviles, Francisco; Berenfeld, Omer; Atienza, Felipe; Guillem Sánchez, María Salud (Elsevier, 2017-08)

[EN] BACKGROUND Dominant frequency (DF) and rotor mapping have been proposed as noninvasive techniques to guide localization of drivers maintaining atrial fibrillation (AF). OBJECTIVE The purpose of this study was to ...
Non-invasive Spatial Mapping of Frequencies in Atrial Fibrillation: Correlation With Contact Mapping

Rodrigo, Miguel; Waddell, Kian; Magee, Sarah; Rogers, Albert J.; Alhusseini, Mahmood; Hernández-Romero, Ismael; Costoya-Sánchez, Alejandro; Liberos, Alejandro; Narayan, Sanjiv M. (Frontiers Media SA, 2021-01-06)

[EN] Introduction: Regional differences in activation rates may contribute to the electrical substrates that maintain atrial fibrillation (AF), and estimating them non-invasively may help guide ablation or select anti-arrhythmic ...
Optimized single-point left ventricular pacing leads to improved resynchronization compared with multipoint pacing

San Antonio, Rodolfo; Guasch, Eduard; González-Ascaso, Ana; Jiménez-Arjona, Rafael; Climent, Andreu M.; Pujol-López, Margarida; Doltra, Adelina; Alarcón, Francisco; Garre, Paz; Liberos Mascarell, Alejandro; Trotta, Omar; Quinto, Levio; Borras, Roger; Arbelo, Elena; Roca-Luque, Ivo; Atienza, Felipe; Brugada, Josep; Fernandez-Aviles, Francisco; Guillem Sánchez, María Salud; Sitges, Marta; Tolosana, José María; Mont, Lluis (Blackwell Publishing, 2021-03)

[EN] Background Multipoint pacing (MPP) in cardiac resynchronization therapy (CRT) activates the left ventricle from two locations, thereby shortening the QRS duration and enabling better resynchronization; however, compared ...
Personalización de modelos computacionales eléctricos auriculares mediante el problema inverso de la electrocardiografía

Suárez Vera, Iván (Universitat Politècnica de València, 2021-10-11)

[ES] La fibrilación auricular (FA) es la arritmia cardíaca más común en la actualidad, con una morbilidad, mortalidad y costes sanitarios crecientes. Su compleja naturaleza supone un gran desafío para el diseño de terapias ...
Robustness of imageless electrocardiographic imaging against uncertainty in atrial morphology and location

Molero-Alabau, Rubén; González-Ascaso, Ana; Climent, Andreu M.; Guillem Sánchez, María Salud (Elsevier, 2023-03)

[EN] Introduction: Electrocardiographic Imaging is a non-invasive technique that requires cardiac Imaging for the reconstruction of cardiac electrical activity. In this study, we explored imageless ECGI by quantifying the ...
Solving Inaccuracies in Anatomical Models for Electrocardiographic Inverse Problem Resolution by Maximizing Reconstruction Quality

Rodrigo Bort, Miguel; Climent, Andreu M.; Liberos Mascarell, Alejandro; Hernández-Romero, Ismael; Arenal, A.; Bermejo, Javier; Fernández-Avilés, Francisco; Atienza, Felipe; Guillem Sánchez, María Salud (Institute of Electrical and Electronics Engineers, 2018-03)

[EN] Electrocardiographic Imaging has become an increasingly used technique for non-invasive diagnosis of cardiac arrhythmias, although the need for medical imaging technology to determine the anatomy hinders its introduction ...