{"id":83153,"date":"2018-03-10T00:07:14","date_gmt":"2018-03-10T00:07:14","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/analisis-de-la-variabilidad-de-la-frecuencia-cardiaca-en-la-angina-inestable\/"},"modified":"2018-03-10T00:07:14","modified_gmt":"2018-03-10T00:07:14","slug":"analisis-de-la-variabilidad-de-la-frecuencia-cardiaca-en-la-angina-inestable","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/analisis-de-la-variabilidad-de-la-frecuencia-cardiaca-en-la-angina-inestable\/","title":{"rendered":"Analisis de la variabilidad de la frecuencia cardiaca en la angina inestable."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Enrique Gonzalez Hernandez <\/strong><\/h2>\n<p>Hemos utilizado el estudio de la variabilidad de la frecuencia cardiaca (vfc) como m\u00e9todo para evaluar de forma cuantitativa de la interacci\u00f3n simp\u00e1tico-vagal de la actividad cardiaca en los sujetos con angina inestable.  los pacientes con angina inestable jpresentan respecto a los casos control, valores m\u00e1s bajos en todos los par\u00e1metros de la vfc. Este descenso se mantiene despu\u00e9s de permancer los pacientes 24 horas asintom\u00e1ticos.  los pacientes con \u00e1reas de necrosis ventricular despu\u00e9s de un iam de m\u00e1s de 1 a\u00f1o de evoluci\u00f3n, tienen durante inestable, mayor afectaci\u00f3n para simp\u00e1tica, qudando un desequilibrio del sistema auton\u00f3mico con aumento de la acitividad simp\u00e1tica.  el grado de reducci\u00f3n de la vfc en la angina inestable guarda relaci\u00f3n con la extensi\u00f3n de la isquemia micoc\u00e1rdica y, a mayor grado de isquemia m\u00e1s afectaci\u00f3n vagal y mayor predominio auton\u00f3mico simp\u00e1tico.  durante la angina nestable desaparece el ritmo nictemaral de los par\u00e1metros de la vfc. Tras permanecer los pacientes 24 horas asintom\u00e1tiacos, reaparecen las diferencias d\u00eda-noche, siendo posiblemente la primera manifestaci\u00f3n de recuperaci\u00f3n del sistema auton\u00f3mico.  no hemos encontrado cambios en ninguan de las variables analizadas en los 60 minutos previos a los episodios de isquemia, ni en los valores hallados tras permancer 1 hora asintom\u00e1ticos.  no encontramos relaci\u00f3n entre los valores de los par\u00e1metros estudiados en la vfc y la aparici\u00f3n de complicaciones card\u00edacas improtantes.Seg\u00fan nuestros datos no podemos utilizar la vfc para estratificar riesgos en los pacientes con angina inestable.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Analisis de la variabilidad de la frecuencia cardiaca en la angina inestable.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Analisis de la variabilidad de la frecuencia cardiaca en la angina inestable. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Enrique Gonzalez Hernandez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Universitat de val\u00e9ncia (estudi general)<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 28\/01\/2000<\/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>Roberto Garcia Civera<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: vicente Lopez merino <\/li>\n<li>lu\u00eds Such belenguer (vocal)<\/li>\n<li> Ruperez abizanda Juan  Antonio (vocal)<\/li>\n<li>vicente Bertomeu Martinez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Enrique Gonzalez Hernandez Hemos utilizado el estudio de la variabilidad de la frecuencia cardiaca (vfc) como m\u00e9todo [&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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