{"id":62128,"date":"2018-03-09T22:50:03","date_gmt":"2018-03-09T22:50:03","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/modelizacion-matematica-y-simulacion-de-los-efectos-de-la-isquemia-miocardica-aguda-sobre-la-conduccion-electrica-en-el-tejido-carda%c2%adaco-ventricular\/"},"modified":"2018-03-09T22:50:03","modified_gmt":"2018-03-09T22:50:03","slug":"modelizacion-matematica-y-simulacion-de-los-efectos-de-la-isquemia-miocardica-aguda-sobre-la-conduccion-electrica-en-el-tejido-carda%c2%adaco-ventricular","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/tecnologia-medica\/modelizacion-matematica-y-simulacion-de-los-efectos-de-la-isquemia-miocardica-aguda-sobre-la-conduccion-electrica-en-el-tejido-carda%c2%adaco-ventricular\/","title":{"rendered":"Modelizaci\u00f3n matem\u00e1tica y simulaci\u00f3n de los efectos de la isquemia mioc\u00e1rdica aguda sobre la conducci\u00f3n el\u00e9ctrica en el tejido card\u00edaco ventricular."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Luc\u00eda Romero P\u00e9rez <\/strong><\/h2>\n<p>La aparici\u00f3n de heterogeneidades en las propiedades electrofisiol\u00f3gicas del tejido card\u00edaco, que acontece en distintas patolog\u00edas como la isquemia mioc\u00e1rdica, es un factor clave en el proceso del bloqueo unidireccional (udb), que conduce a la aparici\u00f3n de arritmias reentrantes potencialmente mortales, como la taquicardia ventricular o la fibrilaci\u00f3n ventricular. Estas heterogeneidades en la duraci\u00f3n del potencial de acci\u00f3n, del per\u00edodo refractario (pr) y la velocidad de conducci\u00f3n (vc) determinan la generaci\u00f3n y mantenimiento de los per\u00edodos arr\u00edtmicos, siendo el pr al que mayor atenci\u00f3n se le ha prestado. La mayor\u00eda de los estudios sugieren que la dispersi\u00f3n del pr ejerce un papel proarr\u00edtmico, aunque existen publicaciones que sostienen lo contrario. Por otro lado, en las \u00faltimas d\u00e9cadas, el gran desarrollo de los medios t\u00e9cnicos ha posibilitado la simulaci\u00f3n de la actividad el\u00e9ctrica de tejidos cardiacos con gran realismo permitiendo la extracci\u00f3n de datos y de par\u00e1metros imposibles de obtener experimentalmente. el objetivo general del presente trabajo consiste en el estudio te\u00f3rico de las causas de los bloqueos que se producen en la propagaci\u00f3n del potencial de acci\u00f3n y que dan lugar a las reentradas en el tejido card\u00edaco sometido a condiciones de isquemia aguda. Para ello, se ha simulado la actividad el\u00e9ctrica de un tejido 2-d del epicardio mediante una versi\u00f3n modificada del modelo luo-rudy 2000 y mediante el empleo de un modelo realista de isquemia regional. As\u00ed mismo, se ha desarrollado una formulaci\u00f3n del factor de seguridad en la conducci\u00f3n (sf) \u00f3ptima a nivel computacional que posibilita su empleo en tejidos bidimensionales (sfm). los resultados obtenidos muestran que durante los 10 minutos posteriores a la oclusi\u00f3n de la arteria coronaria, la vulnerabilidad de un tejido bidimensional a la reentrada, medida mediante la ventana vulnerable, corresponde a una distribuci\u00f3n unimodal asim\u00e9trica, siendo el minuto 8 el insta<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Modelizaci\u00f3n matem\u00e1tica y simulaci\u00f3n de los efectos de la isquemia mioc\u00e1rdica aguda sobre la conducci\u00f3n el\u00e9ctrica en el tejido card\u00edaco ventricular.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Modelizaci\u00f3n matem\u00e1tica y simulaci\u00f3n de los efectos de la isquemia mioc\u00e1rdica aguda sobre la conducci\u00f3n el\u00e9ctrica en el tejido card\u00edaco ventricular. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Luc\u00eda Romero P\u00e9rez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Valencia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 19\/12\/2007<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>osorio Ferrero De Loma<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Francisco javier Saiz rodriguez <\/li>\n<li>Francisco Javier Chorro gasc\u00f3 (vocal)<\/li>\n<li>Manuel Doblar\u00e9 castellano (vocal)<\/li>\n<li>pablo Laguna lasaosa (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Luc\u00eda Romero P\u00e9rez La aparici\u00f3n de heterogeneidades en las propiedades electrofisiol\u00f3gicas del tejido card\u00edaco, que acontece en [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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