{"id":74586,"date":"2018-03-09T23:19:40","date_gmt":"2018-03-09T23:19:40","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/valoracion-de-la-osteointegracion-de-un-modelo-de-protesis-de-cadera\/"},"modified":"2018-03-09T23:19:40","modified_gmt":"2018-03-09T23:19:40","slug":"valoracion-de-la-osteointegracion-de-un-modelo-de-protesis-de-cadera","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/valoracion-de-la-osteointegracion-de-un-modelo-de-protesis-de-cadera\/","title":{"rendered":"Valoracion de la osteointegracion de un modelo de protesis de cadera"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Ramirez Barragan Ana Mar\u00eda <\/strong><\/h2>\n<p>El fen\u00f3meno del aflojamiento prot\u00e9sico es un proceso ampliamente estudiado debido a las nefastas consecuencias que acarrea.   Mediante los m\u00e9todos radiol\u00f3gicos, los m\u00e1s empleados en la actualidad para el seguimiento de pacientes intervenidos de pr\u00f3tesis de cadera, no se consigue diagnosticar de forma precoz y precisa este fen\u00f3meno, siendo preciso una p\u00e9rdida de m\u00e1s del 30% de masa osea para poder ser detectada en la radiolog\u00eda.   El desarrollo en las \u00faltimas d\u00e9cadas de t\u00e9cnicas absociom\u00e9tricas ha permitido cuantificar la p\u00e9rdida \u00f3sea involutiva que acontece a partir de la cuarta d\u00e9cada de la vida, esta valoraci\u00f3n \u00f3sea se ha empleado en el estudio del hueso periprot\u00e9sico.    Mediante la densitometr\u00eda \u00f3sea  (dexa) se detectan discretas variaciones de dmo cercanas a un 5%.   Como objetivo se pretende valorar la osteointegraci\u00f3n de un modelo de pr\u00f3tesis de cadera de caracter\u00edsticas anat\u00f3micas, cuantificando los cambios \u00f3seos periprot\u00e9sicos mediante dexa y establecer la influencia de la calidad \u00f3sea previa a la cirug\u00eda en el remodelado periprot\u00e9sico.   As\u00ed, al final del estudio se muestra un descenso de la dmo en mujeres con respecto a varones tras la colocaci\u00f3n de una pr\u00f3tesis de caracter\u00edsticas anat\u00f3micas.   En el f\u00e9mur protetizado  se objetiva un aumento de dmo en las \u00e1reas 2 y 6 de gruen en comparaci\u00f3n con la cadera contralateral, fen\u00f3meno que traduce la fijaci\u00f3n metafisaria del v\u00e1stago. en las \u00e1reas 1 y 7 de gruen del f\u00e9mur intervenido aparece un descenso de la dmo, esto es debido a una disminuci\u00f3n de cargas en las zonas superiores del f\u00e9mur que estimulan los fen\u00f3menos resortitos.    En la punta del v\u00e1stago (\u00e1rea 4) se muestra un descenso de dmo si se compara el primer y quinto a\u00f1o postimplante, esto da como consecuencia un descenso o ausencia de \u00abefecto punta\u00bb con el paso del tiempo en un v\u00e1stago de caracter\u00edsticas anat\u00f3micas. en el \u00e1rea 1 de delee del acet\u00e1bulo intervenido se aprecia u<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Valoracion de la osteointegracion de un modelo de protesis de cadera<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Valoracion de la osteointegracion de un modelo de protesis de cadera <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Ramirez Barragan Ana Mar\u00eda <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Salamanca<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 15\/06\/2005<\/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> De Pedro Moro Jos\u00e9 Antonio<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: alberto Gomez alonso <\/li>\n<li>Jos\u00e9 Sueiro fernandez (vocal)<\/li>\n<li>Antonio Mucia mazon (vocal)<\/li>\n<li>Jos\u00e9 ramon Garcia talavera fernandez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ramirez Barragan Ana Mar\u00eda El fen\u00f3meno del aflojamiento prot\u00e9sico es un proceso ampliamente estudiado debido a las [&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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