{"id":38706,"date":"2018-03-09T09:38:24","date_gmt":"2018-03-09T09:38:24","guid":{"rendered":""},"modified":"2018-03-09T09:38:24","modified_gmt":"2018-03-09T09:38:24","slug":"comportamiento-morfologico-del-carta%c2%adlago-de-crecimiento-sometido-a-diferentes-condiciones-mecanicas-denervacion-capsulotoma%c2%ada-compresion-tension-y-neutralizacion-estudio-experimental","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/comportamiento-morfologico-del-carta%c2%adlago-de-crecimiento-sometido-a-diferentes-condiciones-mecanicas-denervacion-capsulotoma%c2%ada-compresion-tension-y-neutralizacion-estudio-experimental\/","title":{"rendered":"Comportamiento morfol\u00f3gico del cart\u00edlago de crecimiento sometido a diferentes condiciones mec\u00e1nicas (denervaci\u00f3n, capsulotom\u00eda, compresi\u00f3n, tensi\u00f3n y neutralizaci\u00f3n). estudio experimental en corderos"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Arriola G\u00c1\u00bcenaga Francisco Javier <\/strong><\/h2>\n<p>Hemos estudiado el cart\u00edlago de crecimiento distal del f\u00e9mur y proximal de la tibia, de las patas posteriores en 33 corderos jovenes de 2 meses. sometidos a la pata izquierda a diferentes condiciones mec\u00e1nicas (compresi\u00f3n, neutralizaci\u00f3n y tensi\u00f3n), mediante el uso de un fijador externo monotubo lc, y biol\u00f3gicas (denervaci\u00f3n y capsulotom\u00eda). El ritmo de distracci\u00f3n y el de compresi\u00f3n fue de 0,5 mm cada 3 d\u00edas. La denervaci\u00f3n se realiz\u00f3 mediante neurotom\u00eda del nervio ci\u00e1tico. La capsulotom\u00eda se realiz\u00f3 respetando el tend\u00f3n rotuliano y la c\u00e1psula posterior. La pata derecha fue utilizada como control.  se midi\u00f3 la longitud anteroposterior, en radiograf\u00edas, de la tibias y los f\u00e9mures. Se estudiaron los cambios histol\u00f3gicos morfol\u00f3gicos e histomorfom\u00e9tricos de la fisis.  en el cart\u00edlago sometido a capsulotom\u00eda se observ\u00f3 un aumento de su altura, a expensas de un aumento en la capa de reserva e hipertr\u00f3fica, debido al efecto mec\u00e1nico de disminuci\u00f3n de la tensi\u00f3n. En el denervado se comprob\u00f3 una inhibici\u00f3n del crecimiento, a expensas de una disminuci\u00f3n de la capa proliferativa, debido al efecto directo de la denervaci\u00f3n sumado al de la descarga. En los portadores de fijador externo, los sometidos a tensi\u00f3n  aumentaron la altura del cart\u00edlago, a expensas de la capa hipertr\u00f3fica, y no por est\u00edmulo de la proliferaci\u00f3n celular, los sometidos a compresi\u00f3n sufrieron una inhibici\u00f3n del cart\u00edlago de crecimiento, con descenso de la capa proliferativa y aumento de la hipertr\u00f3fica, y los sometidos a neutralizaci\u00f3n presentaban una disminuci\u00f3n de la capa proliferativa, al igual que el resto de portadores de fijador externo, sin encontrarse diferencias significativas entre ello, debido a la ausencia de una carga intermitente que estimulase la proliferaci\u00f3n celular.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Comportamiento morfol\u00f3gico del cart\u00edlago de crecimiento sometido a diferentes condiciones mec\u00e1nicas (denervaci\u00f3n, capsulotom\u00eda, compresi\u00f3n, tensi\u00f3n y neutralizaci\u00f3n). estudio experimental en corderos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Comportamiento morfol\u00f3gico del cart\u00edlago de crecimiento sometido a diferentes condiciones mec\u00e1nicas (denervaci\u00f3n, capsulotom\u00eda, compresi\u00f3n, tensi\u00f3n y neutralizaci\u00f3n). estudio experimental en corderos <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Arriola G\u00c1\u00bcenaga Francisco Javier <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Navarra<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/10\/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>Francisco Forriol Campos<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jaime Usabiaga zarranz <\/li>\n<li>Santiago Amillo garayoa (vocal)<\/li>\n<li> Valenti nin Juan  ram\u00f3n (vocal)<\/li>\n<li>Francisco Javier Vaquero martin (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Arriola G\u00c1\u00bcenaga Francisco Javier Hemos estudiado el cart\u00edlago de crecimiento distal del f\u00e9mur y proximal de la [&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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