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Listar por autor "Fernández-Avilés, Francisco"

Mostrando ítems 1-8 de 8

Automatic quality electrogram assessment improves phase-based reentrant activity identification in atrial fibrillation

Costoya-Sánchez, Alejandro; Climent, Andreu M.; Hernández-Romero, Ismael; Liberos Mascarell, Alejandro; Fernández-Avilés, Francisco; Narayan, Sanjiv M.; Atienza, Felipe; Guillem Sánchez, María Salud; RODRIGO BORT, MIGUEL (Elsevier, 2020-02)

[EN] Identification of reentrant activity driving atrial fibrillation (AF) is increasingly important to ablative therapies. The goal of this work is to study how the automatically-classified quality of the electrograms ...
Automatic Quality Electrogram Assessment Improves Reentrant Activity Identification in Atrial Fibrillation

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

[EN] Location of reentrant electrical activity responsible for driving atrial fibrillation (AF) is key to ablative therapies. The aim of this work is to study the effect of the quality of the electrograms (EGMs) used for ...
Balance between sodium and calcium currents underlying chronic atrial fibrillation termination: An in silico intersubject variability study

Liberos Mascarell, Alejandro; Bueno-Orovio, Alfonso; Rodrigo Bort, Miguel; Ravens, Ursula; Hernández-Romero, Ismael; Fernández-Avilés, Francisco; Guillem Sánchez, María Salud; Rodríguez López, Blanca; Climent, Andreu M. (Elsevier, 2016-12)

BACKGROUND Atrial remodeling as a result of long-standing persistent atrial fibrillation (AF) induces substrate modifications that lead to different perpetuation mechanisms than in paroxysmal AF and a reduction in the ...
Clinical Characteristics and Electrophysiological Mechanisms Underlying Brugada ECG in Patients With Severe Hyperkalemia

Rivera-Juárez, Allan; Hernández-Romero, Ismael; Puertas, Carolina; Zhang-Wang, Serena; Sánchez-Álamo, Beatriz; Martins, Raphael; Figuera, Carlos; Guillem Sánchez, María Salud; Martínez Climent, Batiste Andreu; Fernández-Avilés, Francisco; Tejedor, Alberto; Jalife, José; Atienza, Felipe (John Wiley & Sons, 2019-02-05)

[EN] Background-Several metabolic conditions can cause the Brugada ECG pattern, also called Brugada phenotype (BrPh). We aimed to define the clinical characteristics and outcome of BrPh patients and elucidate the mechanisms ...
Clinical impact of defibrillation testing at the time of implantable cardioverter-defibrillator insertion

Hadid, Claudio; Atienza, Felipe; Strasberg, Boris; Arenal, Ángel; Codner, Pablo; González-Torrecilla, Esteban; Datino, Tomás; Percal, Tamara; Almendral, Jesús; Ortiz, Mercedes; Martins, Raphael; Martínez Alzamora, María Nieves; Fernández-Avilés, Francisco (Via Medica, 2015-05)

Background: Ventricular fibrillation is routinely induced during implantable cardioverter- -defibrillator insertion to assess defibrillator performance, but this strategy is experiencing a progressive decline. We aimed ...
High-rate pacing-induced atrial fibrillation effectively reveals properties of spontaneously occurring paroxysmal atrial fibrillation in humans

Calvo, David; Atienza, Felipe; Jalife, José; Martínez Alzamora, Mª Nieves; Bravo, Loreto; Almendral Garrote, Jesús; González-Torrecilla, Esteban; Arenal, Ángel; Bermejo, Javier; Fernández-Avilés, Francisco; Berenfeld, Omer (Oxford University Press (OUP), 2012-11)

Aims Research on paroxysmal atrial fibrillation (AF) assumes that fibrillation induced by rapid pacing adequately reproduces spontaneously occurring paroxysmal AF in humans. We aimed to compare the spectral properties of ...
Mechanisms of Fractionated Electrograms Formation in the Posterior Left Atrium During Paroxysmal Atrial Fibrillation in Humans

Atienza, Felipe; Calvo, David; Almendral, Jesús; Zlochiver, Sharon; Grzeda, Krzysztof R.; Martínez Alzamora, María Nieves; González-Torrecilla, Esteban; Arenal, Ángel; Fernández-Avilés, Francisco; Berenfeld, Omer (Elsevier, 2011-03-01)

Objectives: The aim of this paper was to study mechanisms of formation of fractionated electrograms on the posterior left atrial wall (PLAW) in human paroxysmal atrial fibrillation (AF). Background: The mechanisms responsible ...
Minimal configuration of body surface potential mapping for discrimination of left versus right dominant frequencies during atrial fibrillation

RODRIGO BORT, MIGUEL; Climent Martínez, Batiste Andreu; Liberos Mascarell, Alejandro; Fernández-Avilés, Francisco; Atienza, Felipe; Guillem Sánchez, María Salud; Berenfeld, Omer (Blackwell Publishing, 2017-08)

[EN] Background: Ablation of drivers maintaining atrial fibrillation (AF) has been demonstrated as an effective therapy. Drivers in the form of rapidly activated atrial regions can be noninvasively localized to either left ...