{"id":28545,"date":"2004-06-02T00:00:00","date_gmt":"2004-06-02T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/fusion-intersomatica-lumbar-con-espaciadores-por-va%c2%ada-anterior-evaluacion-biomecanica-de-un-nuevo-implante\/"},"modified":"2004-06-02T00:00:00","modified_gmt":"2004-06-02T00:00:00","slug":"fusion-intersomatica-lumbar-con-espaciadores-por-va%c2%ada-anterior-evaluacion-biomecanica-de-un-nuevo-implante","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/salamanca\/fusion-intersomatica-lumbar-con-espaciadores-por-va%c2%ada-anterior-evaluacion-biomecanica-de-un-nuevo-implante\/","title":{"rendered":"Fusi\u00f3n intersom\u00e1tica lumbar con espaciadores por v\u00edaanterior. evaluaci\u00f3n biomec\u00e1nica de un nuevo implante"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Pedro Berjano Coquillat <\/strong><\/h2>\n<p>Introducci\u00f3n. El uso aislado de espaciadores intersom\u00e1ticos para la fusi\u00f3n o lumbosacra por v\u00eda anterior se asocia a tasas elevadas de pseudoartrosis, lo cual puede ocasionar una tasa excesiva de fracaso cl\u00ednico. Estudios biomec\u00e1nicos previos han demostrado que el uso aislado de estos implantes no aumenta de forma adecuada la rigidez del segmento lumbar en comparaci\u00f3n con los m\u00e9todos de fijaci\u00f3n pedicular, especialmente en flexi\u00f3n y torsi\u00f3n. los actuales m\u00e9todos de fijaci\u00f3n adicionales son poco pr\u00e1cticos, porque requieren un segundo abordaje anterior, soon dif\u00edciles de aplicar por v\u00eda anterior con t\u00e9cnicas m\u00ednimamente invasivas o tiene un perfil excesivo que impide su uso en la proximidad de los grandes vasos.  hip\u00f3tesis. La adici\u00f3n de un implante anterior simple (grapas de memoria de forma) sin instrumentaci\u00f3n posterior aumenta la rigidez de la unidad vertebral funcional, cuando se combina con un espaciador intersom\u00e1tico.  material y m\u00e9todo. Pase 1. Ensayo en un modelo de elementos finitos del segmento l4-l5 de diversos m\u00e9todos de fijaci\u00f3n (raquis intacto, desestabilizado, fijador pedicular, espaciador intersom\u00e1tico de hedrocel, fijador pedicular m\u00e1s espaciador y espaciador m\u00e1s dos grapas anteriores de memoria de forma) y evaluaci\u00f3n de la rigidez en flexi\u00f3n, extensi\u00f3n, torsi\u00f3n y flexi\u00f3n lateral.  fase 2. Ensayo in vitro en un espec\u00edmen de cad\u00e1ver del segmento l4-l5, con aplicaci\u00f3n de momentos puros en las mismas modalidades de fijaci\u00f3n y desplazamiento. En ambas fases se midi\u00f3 la rigidez del segmento vertebral.  conclusiones. La edici\u00f3n de dos grapas con memoria forma por v\u00eda anterior al montaje con espaciador intersom\u00e1tico aumenta la rigidez del segmento vertebral en todos los modos de carga. La rigidez obtenida se aproxima a la que proporciona la estabilizaci\u00f3n por v\u00eda posterior con un fijador pedicular.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Fusi\u00f3n intersom\u00e1tica lumbar con espaciadores por v\u00edaanterior. evaluaci\u00f3n biomec\u00e1nica de un nuevo implante<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Fusi\u00f3n intersom\u00e1tica lumbar con espaciadores por v\u00edaanterior. evaluaci\u00f3n biomec\u00e1nica de un nuevo implante <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Pedro Berjano Coquillat <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Salamanca<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 06\/02\/2004<\/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>Juan  Francisco Blanco Blanco<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: alberto Gomez alonso <\/li>\n<li>Manuel Garcia alonso (vocal)<\/li>\n<li>Carlos Villas tom\u00e9 (vocal)<\/li>\n<li>Francisco efren Pastor jimenez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Pedro Berjano Coquillat Introducci\u00f3n. El uso aislado de espaciadores intersom\u00e1ticos para la fusi\u00f3n o lumbosacra por v\u00eda [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[9386],"tags":[9244,18169,25804,56070,81236,81235],"class_list":["post-28545","post","type-post","status-publish","format-standard","hentry","category-salamanca","tag-alberto-gomez-alonso","tag-carlos-villas-tome","tag-francisco-efren-pastor-jimenez","tag-juan-francisco-blanco-blanco","tag-manuel-garcia-alonso","tag-pedro-berjano-coquillat"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/28545","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=28545"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/28545\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=28545"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=28545"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=28545"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}