{"id":35367,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/evaluacion-de-la-perfusion-cerebral-mediante-spect-con-hmpao-tc99m-en-los-pacientes-diabeticos-sin-clinica-neurologica-central\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"evaluacion-de-la-perfusion-cerebral-mediante-spect-con-hmpao-tc99m-en-los-pacientes-diabeticos-sin-clinica-neurologica-central","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/evaluacion-de-la-perfusion-cerebral-mediante-spect-con-hmpao-tc99m-en-los-pacientes-diabeticos-sin-clinica-neurologica-central\/","title":{"rendered":"Evaluacion de la perfusion cerebral mediante spect con hmpao-tc99m en los pacientes diabeticos sin clinica neurologica central."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Jimenez Bonilla Julio Francisco <\/strong><\/h2>\n<p>La diabetes mellitus (dm) es un factor de riesgo para el desarrollo de ictus cerebrovasculares. El objetivo de este trabajo ha sido evaluar el estado de la perfusi\u00f3n cerebral de los diab\u00e9ticos sin antecedentes de cl\u00ednica neurol\u00f3gica central antes de la aparici\u00f3n de un d\u00e9ficit neurol\u00f3gico agudo.  hemos estudiado 117 pacientes diab\u00e9ticos sin antecedentes de cl\u00ednica neurol\u00f3gica central, 88 con una edad menor de 60 a\u00f1os (x=40 a\u00f1os), de los cuales 65 eran tipo i y 23 tipo ii, y 29 con una edad mayor de 60 a\u00f1os (x=64 a\u00f1os), 3 de tipo i y 26 de tipo ii. Hemos comparado su perfusi\u00f3n con un grupo control de 19 voluntarios sanos, sin antecedentes de cl\u00ednica neurol\u00f3gica central, 10 de edad menor de 60 a\u00f1os (x=32 a\u00f1os) y 9 de edad mayor de 60 a\u00f1os (x=65 a\u00f1os). A todos los diab\u00e9ticos y controles se les realiz\u00f3 un spect (tomografia de emisi\u00f3n de fot\u00f3n unico) cerebral tras la administraci\u00f3n de 925-1110 mbq de hmpao-tc99m, previo control de la glucemia para descartar una situaci\u00f3n de hipoglucemia, y un control de calidad del radiotrazador adquiriendo 128 proyecciones, en matriz de 128 x 128, con un m\u00ednimo de 200.000 cuentas por proyecci\u00f3n, en una gammac\u00e1mara siemens monocabezal equipada con un colimador astigm\u00e1tico neurofocal.  las im\u00e1genes se reconstruyeron con un filtro ramp nyquist 1, aplicando una correcci\u00f3n de atenuaci\u00f3n con el m\u00e9todo de chang y realizando cortes de 4 pixels de grosor.  seleccionamos 4 cortes transversales, 3 supratentoriales y 1 infratentorial. Delimitamos 16 \u00e1reas sim\u00e9tricas en cada uno de los tres cortes supratentoriales y 2 en el infratentorial. La captaci\u00f3n del radiotrazador se valor\u00f3 en cada regi\u00f3n de inter\u00e9s como el promedio de cuentas por pixel en cada regi\u00f3n expresado como un porcentaje del promedio en todo el corte. Los datos fueron analizados comparando los porcentajes obtenidos en cada paciente con los correspondientes de su grupo de control. Se consider\u00f3 que exist\u00eda<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Evaluacion de la perfusion cerebral mediante spect con hmpao-tc99m en los pacientes diabeticos sin clinica neurologica central.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Evaluacion de la perfusion cerebral mediante spect con hmpao-tc99m en los pacientes diabeticos sin clinica neurologica central. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Jimenez Bonilla Julio Francisco <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Cantabria<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1998<\/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> Carril Carril Jos\u00e9 Manuel<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 Manuel Revuelta Soba <\/li>\n<li>Jos\u00e9 Luis Carreras Delgado (vocal)<\/li>\n<li>Mar\u00eda  Teresa Delgado Macias (vocal)<\/li>\n<li>Jorge Teijeifo Vidal (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jimenez Bonilla Julio Francisco La diabetes mellitus (dm) es un factor de riesgo para el desarrollo de [&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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