{"id":13151,"date":"2001-04-10T00:00:00","date_gmt":"2001-04-10T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-del-comportamiento-de-xenoinjertos-vasculares-criopreservados-sometidos-a-dietas-hiperlipa%c2%addcas\/"},"modified":"2001-04-10T00:00:00","modified_gmt":"2001-04-10T00:00:00","slug":"estudio-del-comportamiento-de-xenoinjertos-vasculares-criopreservados-sometidos-a-dietas-hiperlipa%c2%addcas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/estudio-del-comportamiento-de-xenoinjertos-vasculares-criopreservados-sometidos-a-dietas-hiperlipa%c2%addcas\/","title":{"rendered":"Estudio del comportamiento de xenoinjertos vasculares criopreservados sometidos a dietas hiperlip\u00eddcas"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Vallina V\u00e1zquez Manuel Javier <\/strong><\/h2>\n<p>Los xenoinjertos se invocan como una futura alterantiva en el campo de los sustitutivos vasculares. Sin embargo, se desconoce su comportamiento ante la agresi\u00f3n por parte de factores de riesgo inductores de la aterosclerosis, como las dietas hiperlip\u00eddicas.  se implantan xenoinjertos criopreservados procedentes de hamsters al nivel de la aorta abdominal infrarrenal de ratas de la raza wistar-lewis. se establece un protocolo experimental con seis grupos de doce elementos cada uno.  * dos con implante de un xenoinjerto criopreservado a -30\u00c2\u00bac, siendo sometidos los animales de uno de ellos a dieta hiperlip\u00eddica y los del otro a dieta normal.  * otros dos con injertos criopreservado a -196\u00c2\u00bac, a\u00f1adiendo asimismo dieta atergon\u00e9nica a los animales de unos de los grupos.  * y finalmente otros dos grupos en que se practic\u00f3 simple secci\u00f3n y anastomosis de la aorta sin implantar injerto. A los animales de unos de estos grupos de les a\u00f1adi\u00f3 tambi\u00e9n dieta aterog\u00e9nica.  la evaluaci\u00f3n de los animales se realiz\u00f3 a las 4 y 12 semanas del inicio del estudio, la mitad de los animales del grupo en cada momento, y consisti\u00f3 en el c\u00e1lculo de las tasas de mortalidad y permeabilidad, observaci\u00f3n cl\u00ednica y macrosc\u00f3pica, velocimetr\u00eda ultras\u00f3nica doppler y arteriografia, estudio histol\u00f3gico y ultraestructural con microscop\u00eda electr\u00f3nica de transmisi\u00f3n y barrido.  los objetivos del estudio son:  * valorar la incidencia de aparici\u00f3n de lesiones ateromatosas en los xenoinjertos arteriales transplantados, evaluar su extensi\u00f3n tanto en el plano anat\u00f3mico como histol\u00f3gico y comparar los resultados con el grupo control y con los datos obtenidos en otros estudos realizados previamente sobre el tipo la patocronia de las alteraciones detectadas.  la hip\u00f3tesis de trabajo se centra en asumir que las dietas aterog\u00e9nicas inducen la aparici\u00f3n de lesiones ateromatosas en los xenoinjertos arteriales criopreservados de una forma diferente a<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio del comportamiento de xenoinjertos vasculares criopreservados sometidos a dietas hiperlip\u00eddcas<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio del comportamiento de xenoinjertos vasculares criopreservados sometidos a dietas hiperlip\u00eddcas <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Vallina V\u00e1zquez Manuel Javier <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Valladolid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 04\/10\/2001<\/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>Carlos Vaquero Puerta<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis Mar\u00eda Gil carcedo Garc\u00eda <\/li>\n<li>Mar\u00eda  victoria Diago santamaria (vocal)<\/li>\n<li>Javier Mateos otero (vocal)<\/li>\n<li>Rafael Martinez sanz (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Vallina V\u00e1zquez Manuel Javier Los xenoinjertos se invocan como una futura alterantiva en el campo de los [&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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