{"id":14544,"date":"2018-03-09T09:01:17","date_gmt":"2018-03-09T09:01:17","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/valoracion-de-la-viabilidad-miocardica-mediante-spet-miocardico-de-perfusion-con-99mtecnecio-metoxi-isobutil-isonitrilo\/"},"modified":"2018-03-09T09:01:17","modified_gmt":"2018-03-09T09:01:17","slug":"valoracion-de-la-viabilidad-miocardica-mediante-spet-miocardico-de-perfusion-con-99mtecnecio-metoxi-isobutil-isonitrilo","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/valoracion-de-la-viabilidad-miocardica-mediante-spet-miocardico-de-perfusion-con-99mtecnecio-metoxi-isobutil-isonitrilo\/","title":{"rendered":"Valoraci\u00f3n de la viabilidad mioc\u00e1rdica mediante spet mioc\u00e1rdico de perfusi\u00f3n con 99mtecnecio-metoxi-isobutil-isonitrilo"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Gonz\u00e1lez Gonz\u00e1lez Jos\u00e9 Manuel <\/strong><\/h2>\n<p>El objetivo de este estudio ha sido valorar la eficacia del spet mioc\u00e1rdico de perfusi\u00f3n con 99mtc-mibi en la predicci\u00f3n de la mejor\u00eda de la contractilidad post-revascularizaci\u00f3n.  pacientes y metodolog\u00eda  se estudiaron 82 pacientes (59+\/-10 a\u00f1os, 12 mujeres) con 99mtc-mibi y 38 pacientes con 201-talio (57+\/-9 a\u00f1os, 2 mujeres), que presentaban al menos un segmento con severa alteraci\u00f3n de la contractilidad y que fueron sometidos a revascularizaci\u00f3n coronaria mediante cirug\u00eda (64 del grupo estudiado con 99mtc-mibi y 25 del grupo del 201-talio) o angioplastia (18 y 13 respectivamente). Se practic\u00f3 una ventriculograf\u00eda isot\u00f3pica en equilibrio en tres proyecciones antes y a los 3-6 meses de la revascularizaci\u00f3n. El ventr\u00edculo izquierdo se dividi\u00f3 en 9 segmentos en los que se cuantific\u00f3 la captaci\u00f3n de 99mtc-mibi o 201-talio y la contractilidad regional. A 40 de los 82 pacientes estudiados con 99mtc-mibi se les practic\u00f3 adem\u00e1s un spet de esfuerzo pre-revascularizaci\u00f3n.  resultados  el valor medio de fracci\u00f3n de eyecci\u00f3n no se modific\u00f3 tras la revascularizaci\u00f3n en ninguno de los dos grupos de pacientes (41+\/-14% vs 42+\/-16% en el grupo del 99mtc-mibi y 39+\/-14% vs 40+\/-15% en el grupo del 201-talio). No hubieron diferencias en el porcentaje de pacientes estudiados con 99mtc-mibi y con 201-talio que mejoraron (24% vs 26%), empeoraron (18% vs 19%) o no modificaron (58% vs 55%) la fracci\u00f3n de eyecci\u00f3n tras la revascularizaci\u00f3n. El porcentaje de segmentos disfuncionantes que mejor\u00f3 fue del 47% en el grupo  del 99mtc-mibi y del 54% en el 201-talio.  se evidenci\u00f3 un incremento significativo de la sensibilidad (52%, 72% y 91%, p&lt;0,001 en el grupo del 99mtc-mibi y 42%, 80% y 96%, p=0,001 en el grupo del 201-talio) al considerar los niveles de captaci\u00f3n en reposo del 50%, 40% y 30% respectivamente. En el grupo de 40 pacientes estudiados con 99mtc-mibi a los que se practic\u00f3 spet de esfuerzo, se evidenci\u00f3 reversib<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Valoraci\u00f3n de la viabilidad mioc\u00e1rdica mediante spet mioc\u00e1rdico de perfusi\u00f3n con 99mtecnecio-metoxi-isobutil-isonitrilo<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Valoraci\u00f3n de la viabilidad mioc\u00e1rdica mediante spet mioc\u00e1rdico de perfusi\u00f3n con 99mtecnecio-metoxi-isobutil-isonitrilo <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Gonz\u00e1lez Gonz\u00e1lez Jos\u00e9 Manuel <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 14\/12\/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>Jaume Candell Riera<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: ignasi Carri\u00f3 gasset <\/li>\n<li>francesca Pons pons (vocal)<\/li>\n<li>enrique Domingo ribas (vocal)<\/li>\n<li>amparo Alvarez au\u00f1on (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Gonz\u00e1lez Gonz\u00e1lez Jos\u00e9 Manuel El objetivo de este estudio ha sido valorar la eficacia del spet mioc\u00e1rdico [&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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