{"id":66582,"date":"2018-03-09T22:54:56","date_gmt":"2018-03-09T22:54:56","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-tres-diferentes-metodos-de-preparacion-y-conservacion-de-la-membrana-amniotica-para-usos-oftalmologicos\/"},"modified":"2018-03-09T22:54:56","modified_gmt":"2018-03-09T22:54:56","slug":"estudio-de-tres-diferentes-metodos-de-preparacion-y-conservacion-de-la-membrana-amniotica-para-usos-oftalmologicos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/estudio-de-tres-diferentes-metodos-de-preparacion-y-conservacion-de-la-membrana-amniotica-para-usos-oftalmologicos\/","title":{"rendered":"Estudio de tres diferentes m\u00e9todos de preparaci\u00f3n y conservaci\u00f3n de la membrana amni\u00f3tica para usos oftalmol\u00f3gicos."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mar\u00eda  Jes\u00fas Lopez Valladares <\/strong><\/h2>\n<p>La membrana amni\u00f3tjca empleada en cirug\u00eda de reconstrucci\u00f3n de la superficie ocular es habituabnente conservada mediante t\u00e9cnicas de criopreservaci\u00f3n. Tambi\u00e9n se dispone de preparaciones liofilizadas, pero existen escasos estudios sobre la capacidad de la liofilizaci\u00f3n para preservar las propiedades del tejido que le confieren utilidad en cirug\u00eda oftalmol\u00f3gica. los tejidos liofifizados presentan ventajas fundamentales: pueden ser conservados a temperatura ambiente, lo que facilita su transporte, ya que no requiere infraestructuras especiales. nuestro trabajo de tesis doctoral se plante\u00f3 dos objetivos fundamentales. En primer lugar, desarrollar un protocolo de liofilizaci\u00f3n \u00f3ptimo para la conservaci\u00f3n de las propiedades de la membrana amni\u00f3tica. En segundo tugar, estudiamos los cambios que se produc\u00edan en la estructura histol\u00f3gica y en la concentraci\u00f3n de diversos factores de crecimiento en la membrana amni\u00f3tica tras ser sometida a distintos m\u00e9todos de conservaci\u00f3n: bofifizacton y cnopreservaci\u00f3n, a &#8211; 80\u00c2\u00b0 c y en nitr\u00f3geno l\u00edquido, y tos comparamos con el tejido fresco. tras el an\u00e1lisis de los resultados, determinamos que la membrana amni\u00f3tica liofilizada desarrollada conserva la estructura normal del tejido y su composici\u00f3n. Todos los m\u00e9todos de conservaci\u00f3n estudiados provocan cambios histol\u00f3gicos y variaciones en la concentraci\u00f3n de la membrana amni\u00f3tica. Factores dependientes de las donantes, como el tiempo de gestaci\u00f3n, influyen en la concentraci\u00f3n de los factores de crecimiento estudiados por lo que deber\u00edan tenerse en cuenta en el momento de la selecci\u00f3n de las donantes.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de tres diferentes m\u00e9todos de preparaci\u00f3n y conservaci\u00f3n de la membrana amni\u00f3tica para usos oftalmol\u00f3gicos.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de tres diferentes m\u00e9todos de preparaci\u00f3n y conservaci\u00f3n de la membrana amni\u00f3tica para usos oftalmol\u00f3gicos. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mar\u00eda  Jes\u00fas Lopez Valladares <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 22\/07\/2008<\/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  Teresa Rodriguez Ares<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan Murube del castillo <\/li>\n<li>Juan  Antonio Duran de la colina (vocal)<\/li>\n<li>Mar\u00eda  del carmen Cap\u00e9ans tom\u00e9 (vocal)<\/li>\n<li>Jos\u00e9 Manuel Ben\u00edtez del castillo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mar\u00eda Jes\u00fas Lopez Valladares La membrana amni\u00f3tjca empleada en cirug\u00eda de reconstrucci\u00f3n de la superficie ocular es [&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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