{"id":26599,"date":"2018-03-09T09:18:29","date_gmt":"2018-03-09T09:18:29","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/localizacion-de-la-zona-irritativa-mediante-la-tecnica-de-dipolos-electroencefalograficos-aplicada-a-la-actividad-intercra%c2%adtica-en-pacientes-con-epilepsia-farmacorresistente\/"},"modified":"2018-03-09T09:18:29","modified_gmt":"2018-03-09T09:18:29","slug":"localizacion-de-la-zona-irritativa-mediante-la-tecnica-de-dipolos-electroencefalograficos-aplicada-a-la-actividad-intercra%c2%adtica-en-pacientes-con-epilepsia-farmacorresistente","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/localizacion-de-la-zona-irritativa-mediante-la-tecnica-de-dipolos-electroencefalograficos-aplicada-a-la-actividad-intercra%c2%adtica-en-pacientes-con-epilepsia-farmacorresistente\/","title":{"rendered":"Localizaci\u00f3n de la zona irritativa mediante la t\u00e9cnica de dipolos electroencefalogr\u00e1ficos aplicada a la actividad intercr\u00edtica en pacientes con epilepsia farmacorresistente."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Pilar Rojo Alaminos <\/strong><\/h2>\n<p>En el 20-30% de los pacientes epil\u00e9pticos las crisis son farmacorresistentes, siendo la cirug\u00eda la \u00fanica soluci\u00f3n terap\u00e9utica. La existencia de \u00fanico foco y una correcta localizaci\u00f3n del mismo es esencial para una buena evoluci\u00f3n. en esta tesis, se ha estudiado a 60 pacientes con eplipsia farmacorresitente mediante la t\u00e9cnica de dipolos electroencefalogr\u00e1ficos, aplicada a las descargas epil\u00e9pticas interictales analizadas en un eeg digitalizado de alta resoluci\u00f3n (62 electrodos de registro), utiliz\u00e1ndose el sistema neuroscan. el sistema de dipolos empleado ha sido el besa (brain electromagnetic source an\u00e1lisis. Versi\u00f3n 2.2), cuyo software permite, a partir del registro de potenciales el\u00e9ctricos en la superficie de la cabeza, inferir la fuente cerebral responsable de dicha actividad, es decir, solucionar el llamado problema inverso. Este programa utiliza un m\u00e9todo de an\u00e1lisis no lineal y un modelo esf\u00e9rico de cabeza con cuatro capas conc\u00e9ntricas con distintas conductividades que representan el cerebro, el lcr, cr\u00e1neo y cuero cabelludo. la capacidad de localizaci\u00f3n del dipolo ha sido excelente en los casos de epilepsia temporal, confirmada por la estad\u00edstica de an\u00e1lisis discriminante de fisher. Se han comparado estos resultados de localizaci\u00f3n del dipolo con los de otras t\u00e9cnicas diagn\u00f3sticas de neuroimagen: eeg, video-eeg con electrodos intracraneales, rm, pet y spect. Tomando como prueba de referencia el video-eeg, la sensibilidad del dipolo es superior a la que poseen la rm y la spect. Si es la evoluci\u00f3n postquir\u00fargica la que tomamos como prueba de referencia, la sensibilidad del dipolo es menor a la de la rm, muy superior al eeg, similar al video-eeg y algo superior a la de la spect: por \u00faltimo se ha implementado la representaci\u00f3n esquem\u00e1tica del dipolo mediante t\u00e9cnicas de fusi\u00f3n de imagen con la rm y la pet que proporciona una imagen tridimensional de la alteraci\u00f3n morfo-funcional.  por todo lo antes e<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Localizaci\u00f3n de la zona irritativa mediante la t\u00e9cnica de dipolos electroencefalogr\u00e1ficos aplicada a la actividad intercr\u00edtica en pacientes con epilepsia farmacorresistente.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Localizaci\u00f3n de la zona irritativa mediante la t\u00e9cnica de dipolos electroencefalogr\u00e1ficos aplicada a la actividad intercr\u00edtica en pacientes con epilepsia farmacorresistente. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Pilar Rojo Alaminos <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 31\/10\/2003<\/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>Francisco Rubia Vila<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Francisco Mora teruel <\/li>\n<li> Garcia de sola Rafael (vocal)<\/li>\n<li> Felipe oroquieta Javierde (vocal)<\/li>\n<li> L\u00f3pez Garc\u00eda Jos\u00e9 Antonio (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Pilar Rojo Alaminos En el 20-30% de los pacientes epil\u00e9pticos las crisis son farmacorresistentes, siendo la cirug\u00eda [&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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