{"id":59409,"date":"2018-03-09T22:47:13","date_gmt":"2018-03-09T22:47:13","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/desarrollo-de-vitroceramicas-y-vidrios-bioactivos-en-el-tratamiento-de-defectos-oseossegmentarios\/"},"modified":"2018-03-09T22:47:13","modified_gmt":"2018-03-09T22:47:13","slug":"desarrollo-de-vitroceramicas-y-vidrios-bioactivos-en-el-tratamiento-de-defectos-oseossegmentarios","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/cirugia-ortopedica\/desarrollo-de-vitroceramicas-y-vidrios-bioactivos-en-el-tratamiento-de-defectos-oseossegmentarios\/","title":{"rendered":"Desarrollo de vitroceramicas y vidrios bioactivos en el tratamiento de defectos oseossegmentarios"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Agustina Garc\u00eda Barea <\/strong><\/h2>\n<p>A b\u00fasqueda y desarrollo de nuevos materiales capaces de sustituir al hueso es una de las prioridades en el tratamiento de defectos\u00f3seos de diferente etiolog\u00eda (traum\u00e1tica, ex\u00e9resis tumoral, movilizaci\u00f3n de implantes prot\u00e9sicas, &#8230;)El objetivo del presente trabajo es la continuaci\u00f3n de una l\u00ednea de investigaci\u00f3n, y la aplicaci\u00f3n de los resultados obtenidos \u00abin vivo\u00bben dicho proyecto con la utilizaci\u00f3n de implantes de un vidrio bioactivo del sistema binario obtenido mediante la t\u00e9cnica de sol-gely una vitrocer\u00e1mica derivada del tratamiento t\u00e9rmico del vidrio en el tratamiento de defectos \u00f3seos cr\u00edticos segmentarios,localizados en la cara lateral del f\u00e9mur del conejo de nueva zelanda. Ambos implantes, con probada bioactividad \u00abin vitro\u00bb hanmostrado \u00abin vivo\u00bb su biocompatibilidad, presentando una buena osteointegraci\u00f3n en el lecho de implantaci\u00f3n y una buenacapacidad de osteoconducci\u00f3n.Para ello propusimos un modelo experimental en el conejo, mediante la creaci\u00f3n de un defecto segmentario de 15 mm de longitud enel tercio medio de la di\u00e1fisis femoral que fue rellenado con los materiales objeto del estudio, dando lugar a tres grupos de animales.En todos ellos se estabiliz\u00f3 el defecto \u00f3seo creado mediante un doble sistema de osteos\u00edntesis combinado, endomedular medianteaguja de kirschner y una placa de osteos\u00edntesis atornillada. En 10 animales (grupo control) el defecto \u00f3seo no se rellen\u00f3 con ning\u00fanmaterial. En otros 10 animales (grupo vitrocer\u00e1mica) el defecto \u00f3seo se rellen\u00f3 con un cilindro de vitrocer\u00e1mica, y en otros 10animales (grupo vidrio) el defecto \u00f3seo se rellen\u00f3 con un cilindro de vidrio. El seguimiento de los animales fue de 6 meses. Sepermiti\u00f3 la carga total desde el primer d\u00eda. Tras el sacrificio de los animales, se extrajeron los f\u00e9mures y se procedi\u00f3 a realizar losestudios comparativo macrosc\u00f3pico necr\u00f3psico, comparativo radiol\u00f3gico, histol\u00f3gico, histomorfom\u00e9trico y biomec\u00e1nico. En grupotratado con el cilindr<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Desarrollo de vitroceramicas y vidrios bioactivos en el tratamiento de defectos oseossegmentarios<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Desarrollo de vitroceramicas y vidrios bioactivos en el tratamiento de defectos oseossegmentarios <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Agustina Garc\u00eda Barea <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 27\/06\/2007<\/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>Jorge Gil Albarova<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis Mar\u00eda Ferrandez Portal <\/li>\n<li>Jos\u00e9 Cordero Ampuero (vocal)<\/li>\n<li> Pu\u00e9rtolas Rafales Jos\u00e9 Antonio (vocal)<\/li>\n<li> Pablos Fern\u00e1ndez Julio De (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Agustina Garc\u00eda Barea A b\u00fasqueda y desarrollo de nuevos materiales capaces de sustituir al hueso es una 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