{"id":20882,"date":"2018-03-09T09:10:25","date_gmt":"2018-03-09T09:10:25","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/alteraciones-funcionales-y-estructurales-precoces-de-la-circulacion-cerebral-en-la-hipertension-arterial-esencial\/"},"modified":"2018-03-09T09:10:25","modified_gmt":"2018-03-09T09:10:25","slug":"alteraciones-funcionales-y-estructurales-precoces-de-la-circulacion-cerebral-en-la-hipertension-arterial-esencial","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/alteraciones-funcionales-y-estructurales-precoces-de-la-circulacion-cerebral-en-la-hipertension-arterial-esencial\/","title":{"rendered":"Alteraciones funcionales y estructurales precoces de la circulaci\u00f3n cerebral en la hipertensi\u00f3n arterial esencial"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Cristina Sierra Benito <\/strong><\/h2>\n<p>Hip\u00f3tesis de trabajo y objetivos  la hipertensi\u00f3n arterial (hta), adem\u00e1s de la edad, es el factor de riesgo que m\u00e1s se asocia a la presencia de lesiones cerebrales de sustancia blanca (lsb).  de hecho, para la mayor\u00eda de autores, estas lesiones son consideradas como un marcador precoz de lesi\u00f3n cerebral en la hta y relacionadas con el proceso arterioscleroso. No obstante, su etiopatogenia es compleja y supone la implicaci\u00f3n de factores gen\u00e9ticos. La relaci\u00f3n entre las lsb y los diferentes par\u00e1metros cl\u00ednicos y biol\u00f3gicos asociados a la hta no est\u00e1 suficientemente definida.  por otra parte, la mayor\u00eda de estudios realizados hasta la fecha se han efectuado en poblaci\u00f3n anciana, o en un amplio rango de edades, o se han incluido pacientes hipertensos con tratamiento antihipertensivo, factores todos ellos que han podido actuar como factores de confusi\u00f3n.  el objetivo del presente trabajo es determinar los posibles factores cl\u00ednicos y biol\u00f3gicos relacionados con la presencia de lsb en pacientes asintom\u00e1ticos de mediana edad afectos de hipertensi\u00f3n arterial esencial nunca tratada.  metodolog\u00eda  se han incluido 66 pacientes hipertensos esenciales de ambos sexos, de edades comprendidas entre 50-60 a\u00f1os, nunca tratados, y sin evidencia de enfermedad cardiovascular.  los pacientes con diabetes mellitus y\/o ingesta en\u00f3lica &gt; 30 grs\/d\u00eda, y aqu\u00e9llos con una estenosis carot\u00eddea &gt; 50% fueron excluidos del estudio. se realizaron las siguientes exploraciones: mapa de 24 horas, ecocardiograma, y determinaci\u00f3n del genotipo del gen de la enzima de conversi\u00f3n de la angiotensina (eca) mediante pcr. A todos los pacientes se les realiz\u00f3 una resonancia magn\u00e9tica cerebral (rm) y se les clasific\u00f3 en dos grupos, en funci\u00f3n de la presencia o ausencia de lsb.  resultados  veintisiete (40,9%) pacientes hipertensos mostraban lsb en la rm. Los pacientes con lsb ten\u00edan unas cifras de presi\u00f3n arterial (pa) sist\u00f3lica, dias<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Alteraciones funcionales y estructurales precoces de la circulaci\u00f3n cerebral en la hipertensi\u00f3n arterial esencial<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Alteraciones funcionales y estructurales precoces de la circulaci\u00f3n cerebral en la hipertensi\u00f3n arterial esencial <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Cristina Sierra Benito <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 19\/12\/2002<\/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>Antonio Coca Payeras<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: francesc Cardellach l\u00f3pez <\/li>\n<li>Manuel Luque otero (vocal)<\/li>\n<li>alejandro Roca-cusachs coll (vocal)<\/li>\n<li>josep Redon mas (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Cristina Sierra Benito Hip\u00f3tesis de trabajo y objetivos la hipertensi\u00f3n arterial (hta), adem\u00e1s de la edad, es [&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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