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Listar por autor "Sebastián Aguilar, Rafael"

Mostrando ítems 1-15 de 15

Análisis de imágenes de tomografía axial computerizada cardiaca para la segmentación automática de grandes trabéculas

Roberto Velert, Carlos (Universitat Politècnica de València, 2016-09-19)

[ES] El trabajo de fin de grado propuesto es un análisis de técnicas de procesado de imagen para segmentación de estructuras cardiacas a partir de imágenes de tomografía axial computarizada (TAC). Estas estructuras son ...
Atrial Fibrosis Hampers Non-invasive Localization of Atrial Ectopic Foci From Multi-Electrode Signals: A 3D Simulation Study

Godoy, Eduardo J.; Lozano, Miguel; García-Fernández, Ignacio; Ferrer-Albero, Ana; MacLeod, Rob; Saiz, Javier; Sebastián, Rafael (Frontiers Media SA, 2018-05-18)

[EN] Introduction: Focal atrial tachycardia is commonly treated by radio frequency ablation with an acceptable long-term success. Although the location of ectopic foci tends to appear in specific hot-spots, they can be ...
Cardiac computational modelling

Bragard, Jean R.; Cámara, Óscar; Echebarria, Blas; Giorda, Luca Gerardo; Pueyo, Esther; Saiz Rodríguez, Francisco Javier; Sebastián, Rafael; Soudah, Eduardo; Vázquez, Mariano (Elsevier, 2021-01)

[EN] Cardiovascular diseases currently have a major social and economic impact, constituting one of the leading causes of mortality and morbidity. Personalized computational models of the heart are demonstrating their ...
Computational modelling of the human heart and multiscale simulation of its electrophysiological activity aimed at the treatment of cardiac arrhythmias related to ischaemia and Infarction

López Pérez, Alejandro Daniel (Universitat Politècnica de València, 2019-09-02)

[ES] Las enfermedades cardiovasculares constituyen la principal causa de morbilidad y mortalidad a nivel mundial, causando en torno a 18 millones de muertes cada año. De entre ellas, la más común es la enfermedad isquémica ...
Desarrollo de un modelo tridimensional de ventrículos humanos anatómicamente detallado para simulación de electrofisiología cardíaca

López Pérez, Alejandro Daniel (Universitat Politècnica de València, 2014-11-18)

[EN] First, an exhaustive revision of the state of art on 3D cardiac models has been carried out, focusing on material and methods used for their construction. As main goal of the work, a 3D cardiac model has also been ...
Detailed Anatomical and Electrophysiological Models of Human Atria and Torso for the Simulation of Atrial Activation

Ferrer Albero, Ana; Sebastián Aguilar, Rafael; Sánchez Quintana, Damián; Rodriguez, José F.; Godoy, Eduardo Jorge; Martinez, Laura; Saiz Rodríguez, Francisco Javier (Public Library of Science, 2015-11-02)

Atrial arrhythmias, and specifically atrial fibrillation (AF), induce rapid and irregular activation patterns that appear on the torso surface as abnormal P-waves in electrocardiograms and body surface potential maps (BSPM). ...
Factors affecting basket catheter detection of real and phantom rotors in the atria: A computational study

Martínez-Mateu, Laura; Romero Pérez, Lucia; Ferrer Albero, Ana; Sebastián Aguilar, Rafael; Rodriguez Matas, José Félix; Jalife, José; Berenfeld, Omer; Saiz Rodríguez, Francisco Javier (Public Library of Science, 2018-03)

[EN] Anatomically based procedures to ablate atrial fibrillation (AF) are often successful in terminating paroxysmal AF. However, the ability to terminate persistent AF remains disappointing. New mechanistic approaches use ...
Human atria and torso 3D computational models for simulation of atrial arrhythmias

Sebastián Aguilar, Rafael; Ferrer Albero, Ana; Saiz Rodríguez, Francisco Javier (Universitat Politècnica de València, 2015-09-28)

Computational 3D models of human atria and torso with encoded anatomical and functional heterogeneity. The finite element model of the atria is a multi-layer mesh with a homogeneous wall thickness between 600 and 900 μm ...
Interaction of Specialized Cardiac Conduction System With Antiarrhythmic Drugs: A Simulation Study

Dux-Santoy Hurtado, Lydia; Sebastián Aguilar, Rafael; Felix-Rodriguez, Jose; Ferrero De Loma-Osorio, José María; Saiz Rodríguez, Francisco Javier (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2011)

[EN] The use of antiarrhythmic drugs is common to treat heart rhythm disorders. Computational modeling and simulation are promising tools that could be used to investigate the effects of specific drugs on cardiac ...
Modelización 3D del torso humano para el estudio de arritmias auriculares. Procesamiento de mapas eléctricos superficiales

Ferrer Albero, Ana (Universitat Politècnica de València, 2013-03-21)

[ES] El desarrollo de modelos computacionales en el campo de la electrofisiología cardiaca ha permitido analizar in-silico el comportamiento auricular tanto a nivel celular y tisular como de órgano completo. Todos estos ...
Non-invasive localization of atrial ectopic beats by using simulated body surface P-wave integral maps

Ferrer Albero, Ana; Godoy, Eduardo Jorge; Lozano, Miguel; Martínez Mateu, Laura; Alonso Atienza, Felipe; Saiz Rodríguez, Francisco Javier; Sebastián Aguilar, Rafael (Public Library of Science, 2017-07-13)

Non-invasive localization of continuous atrial ectopic beats remains a cornerstone for the treatment of atrial arrhythmias. The lack of accurate tools to guide electrophysiologists leads to an increase in the recurrence ...
Personalized Cardiac Computational Models: From Clinical Data to Simulation of Infarct-Related Ventricular Tachycardia

Lopez-Perez, Alejandro; Sebastian, Rafael; Izquierdo, M.; Ruiz, Ricardo; Bishop, Martin; Ferrero De Loma-Osorio, José María (Frontiers Media SA, 2019-05-15)

[EN] In the chronic stage of myocardial infarction, a significant number of patients develop life-threatening ventricular tachycardias (VT) due to the arrhythmogenic nature of the remodeled myocardium. Radiofrequency ...
Prediction of CRT Activation Sequence by Personalization of Biventricular Models from Electroanatomical Maps

Gómez García, Juan Francisco; Trenor Gomis, Beatriz Ana; Sebastián Aguilar, Rafael (Springer-Verlag, 2020-01-23)

[EN] Optimization of lead placement and interventricular delay settings in patients under cardiac resynchronization therapy is a complex task that might benefit from prior information based on models. Biophysical models ...
Three-dimensional cardiac computational modelling: methods, features and applications

López Pérez, Alejandro Daniel; Sebastián Aguilar, Rafael; Ferrero De Loma-Osorio, José María (BioMed Central, 2015-04-17)

[EN] The combination of computational models and biophysical simulations can help to interpret an array of experimental data and contribute to the understanding, diagnosis and treatment of complex diseases such as cardiac ...
Three-dimensional Multiscale Modelling and Simulation of Atria and Torso Electrophysiology

Ferrer Albero, Ana (Universitat Politècnica de València, 2017-10-02)

A better understanding of the electrical activity of the heart under physiological and pathological conditions has always been key for clinicians and researchers. Over the last years, the information in the P-wave signals ...