{"id":68608,"date":"2018-03-09T23:12:50","date_gmt":"2018-03-09T23:12:50","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/eco-doppler-de-la-arteria-iliaca-externa-y-su-utilidad-en-la-enfermedad-oclusiva-aorto-iliaca\/"},"modified":"2018-03-09T23:12:50","modified_gmt":"2018-03-09T23:12:50","slug":"eco-doppler-de-la-arteria-iliaca-externa-y-su-utilidad-en-la-enfermedad-oclusiva-aorto-iliaca","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/eco-doppler-de-la-arteria-iliaca-externa-y-su-utilidad-en-la-enfermedad-oclusiva-aorto-iliaca\/","title":{"rendered":"Eco-doppler de la arteria iliaca externa y su utilidad en la enfermedad oclusiva aorto-iliaca"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Juan Fontcuberta Garc\u00eda <\/strong><\/h2>\n<p>Objetivo  el objetivo de este estudio ha sido determinar cu\u00e1les son los mejores par\u00e1metros de la curva de velocidad doppler en la arteria iliaca externa distal que permita diferenciar entre la existencia de una enfermedad oclusiva aorto-iliaca y la normalidad.  metodos  se realiz\u00f3 un eco-doppler en 42 segmentos aorto-iliacos consecutivos con avanzdo grado de isquemia. Se realizaron los siguientes par\u00e1metros de la curva de velocidad doppler en la arteria iliaca externa distal, justo por encima del ligamento: velocidad pico sist\u00f3lica (psv), velocidad diast\u00f3lica final (edv), velocidad media (mv), \u00edndice de pulsatilidad (pi), indice de resistencia (ri), tiempo de aceleraci\u00f3n (at), indice de aceleraci\u00f3n (ai). Tras el eco-doppler a todos los pacientes se les realiz\u00f3 una arteriograf\u00eda.  los sectores aorto-iliacos se dividieron en dos grupos seg\u00fan el resultados de la evaluaci\u00f3n arteriogr\u00e1fica: grupo 0 o normal (reducci\u00f3n del di\u00e1metro inferior al 50%) y grupo 1 o enfermos (reducci\u00f3n de di\u00e1metro inferior al 50% en segmentos m\u00faltiples, reducci\u00f3n del di\u00e1metro del 50% o mayor, y oclusiones). para determinar el valor diagn\u00f3stico de estos par\u00e1metros se utiliz\u00f3 el an\u00e1lisis discriminante y el m\u00e9todo stepwise con minimizaci\u00f3n de lambda de wilks.  resultados  seg\u00fan la arteriograf\u00eda, 31 segmentos aortoiliacos se clasificaron como normales (grupo 0), y 11 se clasificaron como enfermos (grupo 1). Una funci\u00f3n discriminante que permit\u00eda diferenciar entre normalidad y enfermedad se construy\u00f3 con las siguientes variables:  y= -3.855  -0,725 (psv*) + 3.156 (ri) + 2.931 (inversi\u00f3n diast\u00f3lica**).  *psv (m\/s), **inversi\u00f3n diast\u00f3lica (1=si; 0=no).  cuando y mayor 0.78 fue posible diferenciar entre la normalidad y la enfermedad oclusiva aorto-iliaca (100% especificidad, 74.2% sensibilidad, 100% ppv and 57.8% npv). Estos resultados fueron corroborados en una serie independiente posterior de 118 exploraciones de sectores ao<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Eco-doppler de la arteria iliaca externa y su utilidad en la enfermedad oclusiva aorto-iliaca<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Eco-doppler de la arteria iliaca externa y su utilidad en la enfermedad oclusiva aorto-iliaca <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Juan Fontcuberta Garc\u00eda <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 25\/06\/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>Jos\u00e9 Luis Balibrea  Cantero<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jaime Perez <\/li>\n<li>Manuel Martinez perez (vocal)<\/li>\n<li>Francisco Lozano sanchez (vocal)<\/li>\n<li>agust\u00edn Utrilla lopez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Juan Fontcuberta Garc\u00eda Objetivo el objetivo de este estudio ha sido determinar cu\u00e1les son los mejores par\u00e1metros [&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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