{"id":42627,"date":"1999-12-01T00:00:00","date_gmt":"1999-12-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/tomografia-por-emision-de-fotones-en-la-valoracion-de-los-trastornos-neurologicos-y-psiquiatricos-asociados-a-la-infeccion-por-el-virus-de-la-inmunodeficiencia-humana\/"},"modified":"1999-12-01T00:00:00","modified_gmt":"1999-12-01T00:00:00","slug":"tomografia-por-emision-de-fotones-en-la-valoracion-de-los-trastornos-neurologicos-y-psiquiatricos-asociados-a-la-infeccion-por-el-virus-de-la-inmunodeficiencia-humana","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/tomografia-por-emision-de-fotones-en-la-valoracion-de-los-trastornos-neurologicos-y-psiquiatricos-asociados-a-la-infeccion-por-el-virus-de-la-inmunodeficiencia-humana\/","title":{"rendered":"Tomografia por emision de fotones en la valoracion de los trastornos neurologicos y psiquiatricos asociados a la infeccion por el virus de la inmunodeficiencia humana"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Francisco Juan Lome\u00f1a  Caballero <\/strong><\/h2>\n<p>Objetivo: determinar la utilidad clinica de la spect cerebral en los trastornos neurologicos y psiquiatricos que aparecen en pacientes infectados por el vih. Metodo: 1-hemos evaluado retrospectivamente la presencia de anomalias de perfusion sanguinea cerebral, usando spect con hmpao-[99m tc], en 27 pacientes vih sin sintomatolog\u00eda neurologica o psiquiatrica (snp), 18 pacientes con criterios clinicos de demencia asociada al vih, 6 pacientes con criterios dsm-iv de trastorno psiquiatrico y 33 pacientes con lesiones ocupantes de espacio intracraneales (loe), detectadas por tac o rm. 2- hemos efectuado un estudio prospectivo usando spect con talio-201 en 73 pacientes consecutivos que presentaron loe intracraneales. Se calcul\u00f3 el indice de captacion (ic=captacion loe\/captacion cerebro sano). Resultados: 1-encontramos anomalias de perfusiion sanguinea cerebral en 8\/27 pacientes sin snp, en 17\/18 pacientes con demencia vih (12\/17 mostraban hiporfusion frontal) y 2\/6 pacientes psiquiatricos. la sensibilidad y especificidad de la spect-hmpao para detectar demencia vih fue del 94% y 69%, respectivamente, 46\/51 loe fueron detectados como lesiones frias en la spect-hmpao, la spect-hmpao mostro anomalias de perfusion adicionales, sin cambios en la tac o la rm, en 12\/37 pacientes con loe.2- la spect detect\u00f3 capatacion patologica de talio-201 en 12 loe con diagnostico histologico de linfoma cerebral primario (lcp), en 13 loe con diagnostico de probable lcp (sin respuesta a la terapia antitoxoplasma) y en 7 loe de toxoplasmosis (buena respuesta a la terapia antitoxoplasma). No presentaron captacion patologica de talio-201 en el spect, 31 loe de toxoplasmosis y 12 loe de leucoencefalopatia multiple progresiva (lmp). Los ic de los lcp y probable lcp fueron estadisticamente mas altos que los ic de toxoplasmosis y lmp. Los mejores parametros para discriminar lcp fueron un ic&gt;-1.6 y un diametro de la loe&gt;2,5 cm (medido en la tac), con un valor predictivo<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Tomografia por emision de fotones en la valoracion de los trastornos neurologicos y psiquiatricos asociados a la infeccion por el virus de la inmunodeficiencia humana<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Tomografia por emision de fotones en la valoracion de los trastornos neurologicos y psiquiatricos asociados a la infeccion por el virus de la inmunodeficiencia humana <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Francisco Juan Lome\u00f1a  Caballero <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 12\/01\/1999<\/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>Francesca Pons Pons<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 Mar\u00eda Mercader sobrequ\u00e9s <\/li>\n<li>Javier Banzo marraco (vocal)<\/li>\n<li>ignasi Carri\u00f3 gasset (vocal)<\/li>\n<li>francesc Graus  ribas (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Francisco Juan Lome\u00f1a Caballero Objetivo: determinar la utilidad clinica de la spect cerebral en los trastornos neurologicos [&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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