{"id":37350,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/evaluacion-y-tratamiento-de-la-necrosis-de-la-cabeza-femoral-en-crecimiento-estudio-experimental-en-ratas\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"evaluacion-y-tratamiento-de-la-necrosis-de-la-cabeza-femoral-en-crecimiento-estudio-experimental-en-ratas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/evaluacion-y-tratamiento-de-la-necrosis-de-la-cabeza-femoral-en-crecimiento-estudio-experimental-en-ratas\/","title":{"rendered":"Evaluacion y tratamiento de la necrosis de la cabeza femoral en crecimiento. estudio experimental en ratas."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Rafael Rubio Quevedo <\/strong><\/h2>\n<p>La enfermedad de perthes se desarrolla durante el proceso reparativo de una necrosis isqu\u00e9mica de la ep\u00edfisis proximal del f\u00e9mur en los ni\u00f1os. El objetivo del tratamiento es prevenir la deformidad mediante diversos procedimientos ort\u00e9sicos y quir\u00fargicos, pero no podemos actuar sobre la revascularizaci\u00f3n y la reparaci\u00f3n del hueso. En este trabajo se estudian los cambios de la ep\u00edfisis proximal del f\u00e9mur en ratas espont\u00e1neamente hipertensas (que desarrollan necrosis de forma natural) con y sin la administraci\u00f3n de nifedipino (f\u00e1rmaco bloqueante de los canales de calcio). Para llegar a un diagn\u00f3stico correcto pre-mortem de la necrosis se realizaron radiograf\u00edas y gammagraf\u00edas \u00f3seas. Tras la necropsia se realizaron de nuevo radiograf\u00edas de las piezas y un estudio isot\u00f3pico cuantitativo de la actividad osteobl\u00e1stica regeneradora presente en la cabeza femoral. Macrosc\u00f3picamente se valor\u00f3 el color del cart\u00edlago, e histol\u00f3gicamente el estadio evolutivo de la necrosis. Se valor\u00f3 la influencia que ejerc\u00eda la tensi\u00f3n arterial sobre la aparici\u00f3n o no de necrosis, as\u00ed como el tama\u00f1o corporal y el desarrollo esquel\u00e9tico. Por \u00faltimo se estudi\u00f3 el efecto del nifedipino sobre la tensi\u00f3n arterial, sobre la necrosis y sobre el tama\u00f1o corporal y el desarrollo esquel\u00e9tico. No se encontraron datos diagn\u00f3sticos objetivos en las radiograf\u00edas, la gammagraf\u00eda permiti\u00f3 diagnosticar de forma fiable el estadio de necrosis aguda. Se describe el proceso evolutivo completo desde ausencia de necrosis hasta revascularizaci\u00f3n completa desde el punto de vista histol\u00f3gico y la actividad osteobl\u00e1stica cuantitativa presente en cada uno de esos estadios. Macrosc\u00f3picamente el color del cart\u00edlago indica la buena o mala vascularizaci\u00f3n de la cadera. Ni la tensi\u00f3n arterial ni el tama\u00f1o corporal influ\u00edan sobre la aparici\u00f3n de necrosis, sin embargo las ep\u00edfisis con edad \u00f3sea mayor sufrieron con mayor frecuencia necrosis. El n<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Evaluacion y tratamiento de la necrosis de la cabeza femoral en crecimiento. estudio experimental en ratas.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Evaluacion y tratamiento de la necrosis de la cabeza femoral en crecimiento. estudio experimental en ratas. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Rafael Rubio Quevedo <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Alcal\u00e1<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1998<\/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>Antonio L\u00f3pez Alonso<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis G\u00f3mez Pellico <\/li>\n<li>Luis Munuera Martinez (vocal)<\/li>\n<li>Luis Mar\u00eda Ferrandez Portal (vocal)<\/li>\n<li>Fernando Gomez-castresana Bachiller (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Rafael Rubio Quevedo La enfermedad de perthes se desarrolla durante el proceso reparativo de una necrosis isqu\u00e9mica [&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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