{"id":39914,"date":"1999-01-01T00:00:00","date_gmt":"1999-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/influencia-de-la-vagotomia-en-la-regeneracion-hepatica\/"},"modified":"1999-01-01T00:00:00","modified_gmt":"1999-01-01T00:00:00","slug":"influencia-de-la-vagotomia-en-la-regeneracion-hepatica","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/influencia-de-la-vagotomia-en-la-regeneracion-hepatica\/","title":{"rendered":"Influencia de la vagotomia en la regeneracion hepatica."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Sanchez Lopez Jos\u00e9 Daniel <\/strong><\/h2>\n<p>Introducci\u00f3n: el fen\u00f3meno de la regeneraci\u00f3n hep\u00e1tica fue reconocido ya en la antiguedad en el mito de prometeo. En 1955, con los primeros transplantes hep\u00e1ticos experimentales, se demostr\u00f3 la necesidad de revascularizar los injertos con flujo espl\u00e1cnico para poder mantener su trofismo. En 1977, mc gregor y way describen por vez primera que la gastrina podr\u00eda actuar como un factor hepatotr\u00f3fico, por otro lado, se postula que la vagotom\u00eda produce hipergastrinemia en el hombre y en los animales de experimentaci\u00f3n. Si la teor\u00eda de mc gregor y way fuera cierta, la vagotom\u00eda deber\u00eda favorecer la regeneraci\u00f3n hep\u00e1tica.  material y m\u00e9todos: se han utilizado para el experimento un total de 50 ratas wistar, hembras adultas, de un peso de 180+-20 gramos. Los animales fueron divididos en tres grupos: grupo a (control): ratas no vagotomizadas a las que se realiza una hepatectom\u00eda parcial del 10-15%del par\u00e9nquima hep\u00e1tico; grupo b: ratas sometidas a vagotom\u00eda troncular bilateral infradiafragm\u00e1tica y piloroplastia 7 d\u00edas antes de la hepatectom\u00eda parcial; grupo c: ratas sometidas a vagotom\u00eda troncular bilateral infradiafragm\u00e1tica y piloroplastia 120 d\u00edas antes de la hepatectom\u00eda parcial. Cada uno de los grupos del estudio se dividi\u00f3 en dos subgrupos, seg\u00fan se administrase octre\u00f3tido subcut\u00e1neo (0.25 mcgr) o suero fisiol\u00f3gico subcut\u00e1neo (0.25 ml) en el momento posterior a la hepatectom\u00eda y 12 horas despu\u00e9s. todos los animales fueron sacrificados a las 24 horas de la hepatectom\u00eda y se valor\u00f3 la poblaci\u00f3n de c\u00e9lulas g en el antro g\u00e1strico y la expresi\u00f3n del pcna (proliferating cell nuclear antigen) en los hepatocitos de las muestras de hepatectom\u00eda parcial y del remanente hep\u00e1tico. El an\u00e1lisis estad\u00edstico se realiz\u00f3 mediante el test o prueba u de mann-withney.  resultados: la poblaci\u00f3n de c\u00e9lulas g antrales aument\u00f3 significativamente en los dos grupos de estudio al compararla con el grupo control. El<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Influencia de la vagotomia en la regeneracion hepatica.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Influencia de la vagotomia en la regeneracion hepatica. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Sanchez Lopez Jos\u00e9 Daniel <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/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>Jos\u00e9 Luis Balibrea  Cantero<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: felipe De la cruz vigo <\/li>\n<li>Francisco Sanchez bueno (vocal)<\/li>\n<li>eduard Jaurrieta mas (vocal)<\/li>\n<li>Alberto Gomez alonso (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Sanchez Lopez Jos\u00e9 Daniel Introducci\u00f3n: el fen\u00f3meno de la regeneraci\u00f3n hep\u00e1tica fue reconocido ya en la antiguedad [&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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