{"id":40257,"date":"1999-01-01T00:00:00","date_gmt":"1999-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/cuantificacion-del-tamano-del-infarto-agudo-de-miocardio-mediante-tc99m-mibi-spect-impacto-sobre-la-funcion-y-los-volumenes-ventriculares\/"},"modified":"1999-01-01T00:00:00","modified_gmt":"1999-01-01T00:00:00","slug":"cuantificacion-del-tamano-del-infarto-agudo-de-miocardio-mediante-tc99m-mibi-spect-impacto-sobre-la-funcion-y-los-volumenes-ventriculares","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/cuantificacion-del-tamano-del-infarto-agudo-de-miocardio-mediante-tc99m-mibi-spect-impacto-sobre-la-funcion-y-los-volumenes-ventriculares\/","title":{"rendered":"Cuantificacion del tama\u00f1o del infarto agudo de miocardio mediante tc99m-mibi spect. impacto sobre la funcion y los volumenes ventriculares."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Antonio Martinez Caballero <\/strong><\/h2>\n<p>La supervivencia tras un infarto agudo de miocardio depende, entre otros, de la cantidad de miocardio infartado y de la funci\u00f3n sist\u00f3lica. Por otro lado, la expansi\u00f3n del infarto y el aumento del volumen ventricular son importantes determinantes pron\u00f3sticos, relacionados a su vez con el tama\u00f1o del infarto (ti). objetivo: determinar el ti mediante perfusi\u00f3n mioc\u00e1rdica con tc99m-mibi spect. Valorar la fiabilidad de dos m\u00e9todos, y el impacto sobre la fracci\u00f3n de eyecci\u00f3n (fe) y los vol\u00famenes ventriculares (vv).  material y m\u00e9todo: mediante tc99m-mibi-spect se cuantific\u00f3 el 97 pacientes con infarto agudo de miocardio de localizaci\u00f3n anterior. S\u00f3lo un estudio de mibi spect no fue valorable, debido a actividad espl\u00e1cnica sobre miocardio. Utilizando un umbral del 55% de la m\u00e1xima actividad, se obtuvieron dos indices de ti en base a la cuantificaci\u00f3n del defecto de perfusi\u00f3n en cortes tomogr\u00e1ficos (tic) y en el mapa polar (tip). Del mapa polar se obtuvo un valor representativo de la severidad del defecto de perfusi\u00f3n basado en el producto entre la extensi\u00f3n del defecto y la disminuci\u00f3n relativa de perfusi\u00f3n (exs). Estos par\u00e1metros se compararon con otros \u00edndices de ti: el pico m\u00e1ximo de actividad de cpk (cpk-p), la cpk total liberada (cpk-t), el score electrocardiogr\u00e1fico de selvester y un score ecocardiogr\u00e1fico de motilidad. la fe y los vv se obtuvieron mediante ecocardiograf\u00eda (eco) y radion\u00faclido ventriculograf\u00eda (rnv) realizadas a las 24 horas del ingreso, al alta hospitalaria, a los tres meses y al a\u00f1o.  resultados: la variabilidad inter e intraobservador fue baja (r=0.98, p&lt;0.001; y r=0.97, p&lt;0.001, respectivamente), tanto para tic como para tip. La correlaci\u00f3n m\u00e1s estrecha de los \u00edndices del ti con la fe y los vv se obtuvo entre mibi spect y la rnv al alta (r=-0.71, p&lt;0.001 para la fe; y r=0.60, p&lt;0.001 para el \u00edndice de volumen telesist\u00f3lico). En un modelo de an\u00e1lisis multivari<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Cuantificacion del tama\u00f1o del infarto agudo de miocardio mediante tc99m-mibi spect. impacto sobre la funcion y los volumenes ventriculares.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Cuantificacion del tama\u00f1o del infarto agudo de miocardio mediante tc99m-mibi spect. impacto sobre la funcion y los volumenes ventriculares. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Antonio Martinez Caballero <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Murcia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1999<\/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>Jose Galcera Tomas<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan  Antonio Ruiperez abizanda <\/li>\n<li>Juan Castell conesa (vocal)<\/li>\n<li>ignasi Carri\u00f3 gasset (vocal)<\/li>\n<li>Jaime Candell riera (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Antonio Martinez Caballero La supervivencia tras un infarto agudo de miocardio depende, entre otros, de la cantidad [&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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