{"id":85231,"date":"2018-03-10T00:09:41","date_gmt":"2018-03-10T00:09:41","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/cambios-hemometabonicos-y-hemodinamicos-cerebrales-en-dos-modelos-experimentales-edema-vasogenico-difuso-y-lesion-expansiva-intracerebral-tipo-hematoma\/"},"modified":"2018-03-10T00:09:41","modified_gmt":"2018-03-10T00:09:41","slug":"cambios-hemometabonicos-y-hemodinamicos-cerebrales-en-dos-modelos-experimentales-edema-vasogenico-difuso-y-lesion-expansiva-intracerebral-tipo-hematoma","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/cambios-hemometabonicos-y-hemodinamicos-cerebrales-en-dos-modelos-experimentales-edema-vasogenico-difuso-y-lesion-expansiva-intracerebral-tipo-hematoma\/","title":{"rendered":"Cambios hemometab\u00f3nicos y hemodin\u00e1micos, cerebrales en dos modelos experimentales: edema vasog\u00e9nico difuso y lesi\u00f3n expansiva intracerebral tipo hematoma"},"content":{"rendered":"<h2>Tesis doctoral de <strong> H\u00e9ctor Rold\u00e1n Delgado <\/strong><\/h2>\n<p>Objetivo  validar dos modelos experimentales: lesi\u00f3n expansiva intraparenquimatosa tipo hematoma y edema vasog\u00e9nico difuso, y estudiar los cambios en las hemodin\u00e1micas sist\u00e9mica y cerebral, en la actividad cerebrovascular (rcv) y en el hemometabolismo cerebral.  m\u00e9todo  treinta cerdos yorkshire se distribuyeron en dos fases: fase 1 (de comprobaci\u00f3n del modelo de edema, n=3) y fase 2 (experimental, n=27), divididos en cuatro grupos: control (n=5), hematoma sin hipertensi\u00f3n intracraneal (hem, n=8), hematoma con hipertensi\u00f3n intracraneal en rangos bajos (hemhtic, n=4) y edema (n=10). El modelo de hematoma se cre\u00f3 hinchando el bal\u00f3n de una sonda de foley intraparenquimatosa. El edema difuso se obtuvo mediante la administraci\u00f3n de manitol hiperosmolar intracarot\u00eddeo. El hemometabolismo y la rcv se determinaron mediante oximetr\u00eda yugular, y el flujo de la microcirculaci\u00f3n cerebral (fmc) con una sonda de l\u00e1ser-doppler intracerebral. Se utiliz\u00f3 la t de student para comparar las medias.  resultados  fase 1.- Incremento del agua cerebral: 2,43%-7,3%. Observaci\u00f3n con microscop\u00eda \u00f3ptica y el\u00e9ctronica: incremento evidente del agua cerebral intercelular y en astrocitos.  fase 2,- grupo hem: disminuci\u00f3n significativa de la presi\u00f3n arterial media (pam) y la presi\u00f3n de perfusi\u00f3n cerebral (ppc) al final del estudio. hemometabolismo estable. Vasopar\u00e1lisis completa transitoria (n=1) y disociada (n=1), completa al final del estudio. Grupo hemhtic; aumento significativo de la presi\u00f3n intracraneal (pic), ca\u00edda de la pam y ppc y aumento del fmc al final del estudio. Hemometabolismo estable. Vasopar\u00e1lisis completa (n=1) y disociada (n=1), ambas completas al final del estudio. Grupo edema; aumento del fmc. Vasopar\u00e1lisis completa transitoria (n=1). Resto de par\u00e1metros estables.  conclusiones  se han creado los modelos proyectados y son estables. El modelo hem no afecta el fmc o el hemometabolismo, pero s\u00ed altera la pam, la<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Cambios hemometab\u00f3nicos y hemodin\u00e1micos, cerebrales en dos modelos experimentales: edema vasog\u00e9nico difuso y lesi\u00f3n expansiva intracerebral tipo hematoma<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Cambios hemometab\u00f3nicos y hemodin\u00e1micos, cerebrales en dos modelos experimentales: edema vasog\u00e9nico difuso y lesi\u00f3n expansiva intracerebral tipo hematoma <\/li>\n<li><strong>Autor:<\/strong>\u00a0 H\u00e9ctor Rold\u00e1n Delgado <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 23\/06\/2000<\/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>Enrique Ferrer Rodriguez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis Gonz\u00e1lez feria <\/li>\n<li>isidro Ferrer abizanda (vocal)<\/li>\n<li>Juan  Carlos Garc\u00eda-valdecasas salgado (vocal)<\/li>\n<li>enrique Rubio Garc\u00eda (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de H\u00e9ctor Rold\u00e1n Delgado Objetivo validar dos modelos experimentales: lesi\u00f3n expansiva intraparenquimatosa tipo hematoma y edema vasog\u00e9nico difuso, [&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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