{"id":83130,"date":"2018-03-10T00:07:14","date_gmt":"2018-03-10T00:07:14","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/interfaz-hueso-implante-rotuliano-de-zirconia-evolucion-en-el-animal-de-experimentacion\/"},"modified":"2018-03-10T00:07:14","modified_gmt":"2018-03-10T00:07:14","slug":"interfaz-hueso-implante-rotuliano-de-zirconia-evolucion-en-el-animal-de-experimentacion","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/interfaz-hueso-implante-rotuliano-de-zirconia-evolucion-en-el-animal-de-experimentacion\/","title":{"rendered":"\u00abinterfaz hueso-implante rotuliano de zirconia. evoluci\u00f3n en el animal de experimentaci\u00f3n\u00bb"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jose Paz Aparicio <\/strong><\/h2>\n<p>Introducci\u00f3n: en las pr\u00f3tesis totales de cadera existe un porcentaje de problemas rotulianos que pueden complicar la evoluci\u00f3n del implante e,incluso, hacer fracasar. Parte de ellos se deben a su composici\u00f3n, de polietilieno, que produce detritos al rozar con el componente femoral met\u00e1lico.  objetivo del estudio: se pretende en este trabajo estudiar la evoluci\u00f3n de una r\u00f3tula de zirconia(zro2) colocada sin cementar en cerdos, y hacer un seguimiento cl\u00ednico, radiol\u00f3gico, histol\u00f3gico y planim\u00e9trico.  material y m\u00e9todos:se han utilizado 16 cerdos de raza landrace-large white, distribuidos en 4 grupos, a los que se implanta una r\u00f3tula de zirconia en la rodilla izquierda. Los cerdos tienen una edad entre 10 y 12 semanas y un peso de 22 a 25 kg. Los cerdos son sacrificados en fechas distintas para cada grupo de 4:1,2,4 y 6 meses. En todos ellos se evalu\u00f3 la evoluci\u00f3n cl\u00ednica, controlando la movilidad, la deambulaci\u00f3n y la recuperaci\u00f3n postoperatoria. en el estudio radiogr\u00e1fico se valora si se desgasta o se moviliza el implante, lo que se notar\u00eda por su cambio de posici\u00f3n y osteolisis alrededor del implante. La histolog\u00eda, tanto enla rodilla operada, como en otra como control, se valora cuantificando la poblaci\u00f3n de condrocitos. La planimetria,para seguir la anchura de la interfaz, se realiza utilizando el microscopio electr\u00f3nico de barrido(meb), que permite realizar un mapa de la frontera entre el hueso y la pr\u00f3stesis, y ver como evoluciona en los diversos grupos, seg\u00fan el tiempo que lleva implantada esta.  los resultados han puesto de manifiesto:a.-Cl\u00ednicamente, la recuperaci\u00f3n ha sido satisfactoria y se realiz\u00f3 una deambulaci\u00f3n normal a partir de las 24 horas. Las complicaciones han sido 4. Un seroma hizo perdersela r\u00f3tula. Un caso se cur\u00f3, aun exterioriz\u00e1ndose la r\u00f3tula. Un caso padeci\u00f3 una neumon\u00eda, que se cur\u00f3 con antibi\u00f3ticos. Y un \u00faltimo animal padeci\u00f3 un d\u00e9ficit de movilidad de la pata, que se r<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>\u00abinterfaz hueso-implante rotuliano de zirconia. evoluci\u00f3n en el animal de experimentaci\u00f3n\u00bb<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 \u00abinterfaz hueso-implante rotuliano de zirconia. evoluci\u00f3n en el animal de experimentaci\u00f3n\u00bb <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jose Paz Aparicio <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Oviedo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 27\/01\/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>Jose Paz Jimenez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan  sebastian Lopez arranz arranz <\/li>\n<li> Moreno torre Juan  Jos\u00e9 (vocal)<\/li>\n<li>alfonso Lopez mu\u00f1iz (vocal)<\/li>\n<li>Jos\u00e9 ramiro Prieto  monta\u00f1a (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jose Paz Aparicio Introducci\u00f3n: en las pr\u00f3tesis totales de cadera existe un porcentaje de problemas rotulianos que [&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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