[EN] Objective: Atrial dominant frequency (DF) maps undergoing atrial fibrillation (AF) presented good
spatial correlation with those obtained with the non-invasive body surface potential mapping
(BSPM). In this study, a ...
[EN] Background: The Electrocardiographic Imaging (ECGI) technique, used to non-invasively reconstruct the epicardial electrical activity, requires an accurate model of the atria and torso anatomy. Here we evaluate a new ...
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 ...
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 ...
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 ...
[EN] Purpose: Atrial tachycardia (AT), flutter (AFL) and fibrillation (AF) are very common cardiac arrhythmias and are driven by localized sources that can be ablation targets. Non-invasive body surface potential mapping ...
Barrios Álvarez de Arcaya, Javier(Universitat Politècnica de València, 2024-02-19)
[ES] La fibrilación auricular es una de las principales causas de muerte en los países desarrollados, con una proyección hacia el aumento de casos a lo largo de los años. El problema de este tipo de arritmia es que los ...
Torre Costa, Javier de la(Universitat Politècnica de València, 2017-09-01)
[ES] La fibrilación auricular (FA) es la arritmia cardíaca más frecuente, afecta a un 2% de la
población general y conlleva una importante morbilidad asociada. A pesar de ello, los mecanismos
electrofi ...
Pla Terrada, Oscar Alberto(Universitat Politècnica de València, 2017-12-12)
Several medical studies have concluded that it is possible to regenerate cardiac tissue from stem cells. However, the survival rate of the stem cells implanted in hearts is less than 10%. A previous electromechanic ...
León Ortuño, Ana Leonor(Universitat Politècnica de València, 2016-07-12)
[ES] En el presente Trabajo Final de Grado se ha desarrollado un prototipo de biorreactor
basado en un sistema automático de intercambio del medio de cultivo presente en una siembra
de células, que permite mantener unas ...
Ruz Castro, Javier(Universitat Politècnica de València, 2017-12-02)
Atrial fibrillation is known as the most common arrhythmia in clinical practice, affecting more
than 1% of the adult population. This pathology reduces the quality of life of its patients, and
drastically increases ...
Olivares Velencoso, Vanesa(Universitat Politècnica de València, 2017-12-12)
Nowadays, organ transplants have brought a revolution in the field of Medicine. They are a daily routine in hospitals, being the liver transplants one of most common. Because of a very short supply, organs from elderly ...
Albert Martínez, Ramón(Universitat Politècnica de València, 2016-03-11)
[EN] In order to know more about the causes, reasons of origin and perpetuation of AF, a system of control,
monitoring and recording for experimenting with isolated pig heart has been designed and
implemented. The solution ...
Tomás González, Esther(Universitat Politècnica de València, 2017-12-12)
The atrial fibrillation is one of the most common cardiac arrhythmia. It consists on an irregular propagations of the electric activity in the cardiac tissue. This anomaly causes inefficiency in the physiological activity ...
Marques, Victor G; Rodrigo, Miguel; Guillem Sánchez, María Salud; Salinet, Joao(IEEE, 2019-09-11)
[EN] Body surface potential mapping (BSPM) can be an important tool in ablation therapy planning. Results obtained with high resolution (HR) computer models must
be translated to realistic numbers of leads. This study
aims ...
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 ...
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. ...
Cámara-Vázquez, Miguel Ángel; Hernández-Romero, Ismael; Rodrigo, Miguel; Alonso-Atienza, Felipe; Figuera, Carlos; Morgado-Reyes, Eduardo; Atienza, Felipe; Guillem Sánchez, María Salud; Climent, Andreu M.; Barquero-Pérez, Óscar(Elsevier, 2021-02)
[EN] Atrial fibrillation (AF) is characterized by complex and irregular propagation patterns. Noninvasive electrocardiographic imaging (ECGI) has been tested during AF conditions with promising results. However, current ...
Costoya Sánchez, Alejandro(Universitat Politècnica de València, 2019-07-03)
[ES] La ablación con catéter es uno de los principales tratamientos para la restauración del ritmo sinusal en pacientes con fibrilación auricular (FA). Sin embargo, la tasa de éxito de este tipo de terapias está lejos de ...
Chen, Zexi(Universitat Politècnica de València, 2017-12-12)
The inverse problem of electrocardiography consists on the modelling of the propagation towards the torso surface of the electric potentials generated by heart. The problem is described a linear propagation that requires ...