{"id":88290,"date":"2018-03-10T00:13:17","date_gmt":"2018-03-10T00:13:17","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/proteccion-frente-al-enfriamiento-intenso-por-anticongelantes-naturales-modelo-ex-vivo-de-preservacion-de-pulmon-de-rata\/"},"modified":"2018-03-10T00:13:17","modified_gmt":"2018-03-10T00:13:17","slug":"proteccion-frente-al-enfriamiento-intenso-por-anticongelantes-naturales-modelo-ex-vivo-de-preservacion-de-pulmon-de-rata","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/proteccion-frente-al-enfriamiento-intenso-por-anticongelantes-naturales-modelo-ex-vivo-de-preservacion-de-pulmon-de-rata\/","title":{"rendered":"Proteccion frente al enfriamiento intenso por anticongelantes naturales. modelo ex-vivo de preservacion de pulmon de rata"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Rafael Aguilo Espases <\/strong><\/h2>\n<p>Bases: la temperatura \u00f3ptima de preservaci\u00f3n pulmonar es entre 4\u00c2\u00bac y 10\u00c2\u00bac por debajo de 4\u00c2\u00bac se inicia la congelaci\u00f3n del agua, lo que produce da\u00f1o tisular adicional. Algunas especies de ranas liberan glucosa, cuerpos cetonicos y alcoholes en respuesta a frio ambiental intenso.  hipotesis: la adici\u00f3n de anticogelantes natuarles a la soluci\u00f3n de preservaci\u00f3n puede ser util para rebajar la temperatura de preservacion pulmonar a 0\u00c2\u00bac y as\u00ed, mejorar la preservacio y\/o alargar el tiempo aceptable de isquemia.  objetivo: comparar de regimenes de preservaci\u00f3n: 1)\u00bbestandar\u00bb (ferfusion e inmersion del pulmon en solucion low-ptassium dextran (lpd) a 10\u00c2\u00bac) 2)\u00bbtest\u00bb (perfusi\u00f3n e inmersi\u00f3n del pulmon en solucion krebs-henseleit (k-h)enriquecida con albumina bovina y adicionada con etanol 1 vol % como anticongelante a 0\u00c2\u00bac.  metodos: se utilizaron pulmones de rata aislados. Se estudiaron cinco grupos: (1) no -i\/r, los pulmones no fueron sometidos a isquemia\/reperfusion (n=7)(2)lpd24 (n=7),(3) lpd72 (n=8): preservaci\u00f3n en lpd a 10\u00c2\u00bac, durante 27 y 72 horas, respectivamente. La funci\u00f3n pulmonar se evalu\u00f3 reventilando y reperfundiendo los pulmones exvivo, durante 60 minutos(lo que se hizo inmediatamente tras la obtenci\u00f3n de los pulmones en el grupo 1, y tras los correspondientes periodos de isquemia en los dem\u00e1s grupos).  resultados: comparados con el grupo 1, todos los demas grupos presentaron lesi\u00f3n por i\/r, manifestada por deterioro de la funcion pulmonar (p&lt;0,01), desarrollo de edema pulmonar (p&lt;0,01) y lesion celular (p&lt;0,01). Los grupos lpd24 y lpd72 presentaron similar funcio pulmonar (pns), mientras que el grupo test72 mostro mejor funcion de intercambio de gases (p&lt;0,01) y lesion celular (p&lt;0,01), que sin embargo, fue peor en el grupo test24(p&lt;0,01). el edema pulmonar fue similar en los grupos lpd24 y test24(pns) y empeoro significativa versus lpd24. La lesi\u00f3n celular fue similar en los grupos lpd24 y tes<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Proteccion frente al enfriamiento intenso por anticongelantes naturales. modelo ex-vivo de preservacion de pulmon de rata<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Proteccion frente al enfriamiento intenso por anticongelantes naturales. modelo ex-vivo de preservacion de pulmon de rata <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Rafael Aguilo Espases <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 22\/12\/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>lloret Tortosa S\u00e1nchez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Canto armengog <\/li>\n<li>joaquin Pac ferrer (vocal)<\/li>\n<li>gerardo Ferrer recuero (vocal)<\/li>\n<li>Jos\u00e9 Antonio Soro gosalvez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Rafael Aguilo Espases Bases: la temperatura \u00f3ptima de preservaci\u00f3n pulmonar es entre 4\u00c2\u00bac y 10\u00c2\u00bac por debajo [&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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