{"id":116878,"date":"2018-03-11T10:46:12","date_gmt":"2018-03-11T10:46:12","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/sistema-de-ayuda-al-diagnostico-en-el-seguimiento-de-aneurismas-abdominales-de-aorta\/"},"modified":"2018-03-11T10:46:12","modified_gmt":"2018-03-11T10:46:12","slug":"sistema-de-ayuda-al-diagnostico-en-el-seguimiento-de-aneurismas-abdominales-de-aorta","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/pais-vasco-euskal-herriko-unibertsitatea\/sistema-de-ayuda-al-diagnostico-en-el-seguimiento-de-aneurismas-abdominales-de-aorta\/","title":{"rendered":"Sistema de ayuda al diagn\u00f3stico en el seguimiento de aneurismas abdominales de aorta"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Guillermo Luis Garcia Anduaga <\/strong><\/h2>\n<p>El tratamiento endovascular de los aneurismas de aorta abdominal, es una  t\u00e9cnica alternativa a la cirug\u00eda abierta que consiste en la exclusi\u00f3n del saco aneurism\u00e1tico mediante la interposici\u00f3n de una endopr\u00f3tesis colocada por v\u00eda femoral. El estudio pormenorizado de la evoluci\u00f3n del aneurisma presenta im\u00e1genes con m\u00ednimos cambios de intensidad, imposibles de detectar por el ojo humano. Desde este punto de vista, la presente tesis busca ofrecer una herramienta complementaria a los especialistas a trav\u00e9s de un sistema de ayuda al diagn\u00f3stico por ordenador o \u00abcomputer aided diagnosis\u00bb (cad), mediante el cual obtener informaci\u00f3n sobre los cambios experimentados en el aneurisma y, consecuentemente, sobre el tipo de evoluci\u00f3n asociada a los mismos. Con tal fin, se eval\u00faan diversas t\u00e9cnicas de procesamiento digital de im\u00e1genes, concretamente, las referidas al an\u00e1lisis de texturas en im\u00e1genes m\u00e9dicas, y se propone un nuevo m\u00e9todo denominado matriz de longitudes de secuencia de matrices de co-ocurrencia local. Este m\u00e9todo permite obtener conjuntamente caracter\u00edsticas de textura, tanto globales, como locales de las muestras a analizar. En la etapa de clasificaci\u00f3n se estudian estrategias basadas en diferentes clasificadores y en agrupamientos de los mismos desde la perspectiva de la diversidad del conjunto. Los resultados obtenidos muestran que es posible aportar informaci\u00f3n complementaria al m\u00e9dico especialista sobre la evoluci\u00f3n del tratamiento a partir de los estudios cta del paciente. Por \u00faltimo, resaltar la implementaci\u00f3n de un sistema cad mediante una herramienta inform\u00e1tica de manejo sencillo, que permite trasladar de manera directa los avances presentados en la tesis a hospitales y centros m\u00e9dicos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Sistema de ayuda al diagn\u00f3stico en el seguimiento de aneurismas abdominales de aorta<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Sistema de ayuda al diagn\u00f3stico en el seguimiento de aneurismas abdominales de aorta <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Guillermo Luis Garcia Anduaga <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 16\/12\/2014<\/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>Mar\u00eda  Aranzazu Tapia Otaegui<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: marga Marcos mu\u00f1oz <\/li>\n<li>josep Mar\u00eda Fuertes i armengol (vocal)<\/li>\n<li>julio Arrizabalaga aguirreazaldegui (vocal)<\/li>\n<li>ainhoa Galarza rodriguez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Guillermo Luis Garcia Anduaga El tratamiento endovascular de los aneurismas de aorta abdominal, es una t\u00e9cnica alternativa [&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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