{"id":145034,"date":"1993-01-01T00:00:00","date_gmt":"1993-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/sustitucion-del-ligamento-cruzado-anterior-con-aloinjertos-tendinosos-criopreservados-estudio-experimental-de-plastias-en-disposicion-helicoidal\/"},"modified":"1993-01-01T00:00:00","modified_gmt":"1993-01-01T00:00:00","slug":"sustitucion-del-ligamento-cruzado-anterior-con-aloinjertos-tendinosos-criopreservados-estudio-experimental-de-plastias-en-disposicion-helicoidal","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/sustitucion-del-ligamento-cruzado-anterior-con-aloinjertos-tendinosos-criopreservados-estudio-experimental-de-plastias-en-disposicion-helicoidal\/","title":{"rendered":"Sustitucion del ligamento cruzado anterior con aloinjertos tendinosos criopreservados. estudio experimental de plastias en disposicion helicoidal."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Salvi Prat Fabregat <\/strong><\/h2>\n<p>En un estudio experimental en rodilla de conejo nueva zelanda, se valora la influencia de la morfolog\u00eda de las plastias en los resultados experimentales, histologicos y biomecanicos de auto y aloinjertos criopreservados (-196 c) sustitutivos del lca. A partir de datos \u00abin vitro\u00bb que sugieren unos mejores resultados biomecanicos para plastias formadas por dos tendones de diametro similar dispuestos helicoidalmente (frente a una disposicion paralela), se han dise\u00f1ado cuatro grupos de estudio combinando tipo de injerto y disposicion del mismo (autoinjertos paralelo (aup), autoinjertos helicoidal (auh), aloinjertos paralelo (alp) y aloinjertos helicoidal (alh)). Se ha practicado a los animales una artrotomia pararrotuliana externa, resecandose el lca de la rodilla derecha y colocandose en su lugar un auto o aloinjerto en disposicion paralela o helicoidal segun el caso, mediante una tecnica tunelizada, en posicion isometrica. Los periodos de sacrificio han sido de 4, 8 y 12 semanas. Se han valorado cuatro parametros pre-mortem (cojera (incidencia global (ig): 4,6%), limitacion de la movilidad pasiva (i.G.: 4,6%), tumefaccion articular (i.G.: 13,9%) e inestabilidad articular (i.G.: 18,6%)) y tres parametros post-mortem (hipertrofia sinovial macroscopica (i.G.: 21%), ausencia de plastia intraarticular (i.G.: 28%) y signos degenerativos articulares (i.G.: 26%)). Aplicado el estadistico de chi-cuadrado para dos variables cualitativas a estos resultados en funcion de su distribucion por grupos, para una p menor o igual a 0.07 se ha demostrado una dependencia entre la disposicion de la plastia y la estabilidad articular, de manera que las rodillas portadoras de plastias helicoidales presentan una menor inestabilidad; el resto de variables se han mostrado independientes entre si.  se han efectuado ensayos biomecanicos por traccion de las plastias y del ligamento de la rodilla contralateral no intervenida, midiendose la fuerza maxima a ruptu<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Sustitucion del ligamento cruzado anterior con aloinjertos tendinosos criopreservados. estudio experimental de plastias en disposicion helicoidal.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Sustitucion del ligamento cruzado anterior con aloinjertos tendinosos criopreservados. estudio experimental de plastias en disposicion helicoidal. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Salvi Prat Fabregat <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1993<\/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>Antonio Navarro Quilis<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 Manuel Martinez Vazquez <\/li>\n<li>Robert Ramon Soler (vocal)<\/li>\n<li>Victor Gotzens Garcia (vocal)<\/li>\n<li>Juan  Jos\u00e9 V\u00e1zquez  Solsona (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Salvi Prat Fabregat En un estudio experimental en rodilla de conejo nueva zelanda, se valora la influencia [&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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