{"id":138110,"date":"2018-03-11T13:15:46","date_gmt":"2018-03-11T13:15:46","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/sustitucion-parcial-de-la-valvula-mitral-con-homoinjerto\/"},"modified":"2018-03-11T13:15:46","modified_gmt":"2018-03-11T13:15:46","slug":"sustitucion-parcial-de-la-valvula-mitral-con-homoinjerto","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/sustitucion-parcial-de-la-valvula-mitral-con-homoinjerto\/","title":{"rendered":"Sustituci\u00f3n parcial de la v\u00e1lvula mitral con homoinjerto"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Juan  Carlos Cagigas Lanza <\/strong><\/h2>\n<p>Para evitar el recambio de la v\u00e1lvula mitral en paciente con fibrosis o calcificaci\u00f3n parcial de los velos valvulares a patolog\u00eda de cuerdas, se desarroll\u00f3 una nueva t\u00e9cnica de implantaci\u00f3n de estos hm. Se analizan los resultados en 25 ovejas j\u00f3venes (peso medio: 23+-2 kg.) A las que se efectu\u00f3 una sustituci\u00f3n parcial del velo anterior de la valvula mitral con un hm parcial. En 10 ovejas se emple\u00f3 un hm fresco tratado con una soluci\u00f3n antibi\u00f3tica (grupo ae y en 15 ovejas un hm criopreservado en nitr\u00f3geno l\u00edquido a 196.C (grupo b). El tiempo de cec medio fu\u00e9 26 min. (Rango:12-48 min). Los animales se sacrificaron a los 6.9, y 12 meses de la cirugia. Todos realizaban una vida normal en el campo. El hm no presentaba signos macrosc\u00f3picos de fibrosis, infecci\u00f3n, trombosis, rotura ni calcificaci\u00f3n. El estudio microsc\u00f3pico (optico, sem, tem) revel\u00f3 la presencia de c\u00e9lulas endoteliales, tejido col\u00e1geno organizado y fibroblastos de superficies, con reendotelizaci\u00f3n de superficie. En ning\u00fan hm se encontraron signos inflamatorios, ni de rechazo. El hm fue biol\u00f3gicamente viable, estableciendose unos criterios histol\u00f3gicos de viabilidad basados en la integraci\u00f3n estructural del hm parcial con el receptor. en este estudio se demostr\u00f3 que el hm fresco tiene mejor viabilidad a largo plazo.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Sustituci\u00f3n parcial de la v\u00e1lvula mitral con homoinjerto<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Sustituci\u00f3n parcial de la v\u00e1lvula mitral con homoinjerto <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Juan  Carlos Cagigas Lanza <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Cantabria<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 31\/05\/1991<\/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>Jos\u00e9 Manuel Revuelta Soba<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 Fernando Val Bernal <\/li>\n<li>Jos\u00e9 Antonio Amado Se\u00f1aris (vocal)<\/li>\n<li>Gabriel T\u00e9llez De Peralta (vocal)<\/li>\n<li>Gines Sanz Romero (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Juan Carlos Cagigas Lanza Para evitar el recambio de la v\u00e1lvula mitral en paciente con fibrosis o [&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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