{"id":19215,"date":"2018-03-09T09:08:07","date_gmt":"2018-03-09T09:08:07","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/valoracion-de-la-resonancia-magnetica-en-la-enfermedad-de-crohn\/"},"modified":"2018-03-09T09:08:07","modified_gmt":"2018-03-09T09:08:07","slug":"valoracion-de-la-resonancia-magnetica-en-la-enfermedad-de-crohn","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/valoracion-de-la-resonancia-magnetica-en-la-enfermedad-de-crohn\/","title":{"rendered":"Valoraci\u00f3n de la resonancia magn\u00e9tica en la enfermedad de crohn"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Javier Sempere Garc\u00eda-arguelles <\/strong><\/h2>\n<p>Objetivos  1,- valorar la capacidad de la rm para detectar la actividad inflamatoria mediante el valor de la se\u00f1al de la pared tras administraci\u00f3n de contraste (is post gd) y el incremento de la se\u00f1al (pre\/postcontraste), al compararla con la actividad medida por endoscopi y\/o histolog\u00eda.  2,- valorar la capacidad de la rm para detectar segmentos patol\u00f3gicos (grsor sup.A 4mm) al compararla con los segmentos patol\u00f3gicos por endoscopia e histolog\u00eda.  3,- valorar si los par\u00e1metros analizados en la rm se modifican al pasar de una fase de actividad a otra de remisi\u00f3n cl\u00ednica.  4,- valorar el papel pron\u00f3stico de la rm en la evoluci\u00f3n posterior al brote agudo (favorable, nuevo brote o cirug\u00eda).  material y m\u00e9todos  estudio prospectivo de 2 a\u00f1os de duraci\u00f3n sobre 60 pacientes con enfermedad de crohn (ec) y 10 controles sanos. Para comparar los resultados de la rm y colonoscopia con biopsias se ha dividido el estudio en 6 segmentos por cada paciente (rect-sigma, descendente, transverso, ascendente, ciego-v\u00e1lvula e \u00edleon termina, tom\u00e1ndo 2 biopsias por cada segmento explorado. Se ha empleado como t\u00e9cnica de referencia la colonoscopia con biopsias, definiendo como segmento \u00abactivo o patol\u00f3gico\u00bb cuando existe actividad endoscopia y\/o histol\u00f3gica aguda (presencia de pmn, erosipones\/uloeraciones o granulomas. se ha definido como segmento activo por rm (t\u00e9cnica a valorar) como aquel segmento con un valor de la is post gd o incremento de se\u00f1al superior al \u00abpunto de corte\u00bb establecido mediante tablas bayesianas. En 20 de los 60 pacientes con ec se ha realizado una nueva rm al pasar de fase de actividad a remisi\u00f3n  cl\u00ednica (\u00edntervalo m\u00ednimo de 1 mes). Los resultados de la rm inicial de los 60 pacientes incluidos han sido comparados por grupos de seguimiento evolutivo (durante 6 meses), diferenciando los que evolucionaron favorablemente de los que tuvieron una recidiva cl\u00ednica o necesidad de cirug\u00eda.  resultados  no<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Valoraci\u00f3n de la resonancia magn\u00e9tica en la enfermedad de crohn<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Valoraci\u00f3n de la resonancia magn\u00e9tica en la enfermedad de crohn <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Javier Sempere Garc\u00eda-arguelles <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Universitat de val\u00e9ncia (estudi general)<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 27\/09\/2002<\/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>Adolfo Bendges Mart\u00ednez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Mateo navarro <\/li>\n<li>eduardo Garcia granero ximenez (vocal)<\/li>\n<li>Miguel Perez mateo regadera (vocal)<\/li>\n<li> Borras alsina Jos\u00e9 mario (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Javier Sempere Garc\u00eda-arguelles Objetivos 1,- valorar la capacidad de la rm para detectar la actividad inflamatoria mediante [&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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