{"id":145057,"date":"1993-01-01T00:00:00","date_gmt":"1993-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-del-ritmo-circadiano-de-las-magnitudes-bioquimicas-de-uso-frecuente-en-el-laboratorio-clinico-impacto-en-la-interpretacion-de-resultados\/"},"modified":"1993-01-01T00:00:00","modified_gmt":"1993-01-01T00:00:00","slug":"estudio-del-ritmo-circadiano-de-las-magnitudes-bioquimicas-de-uso-frecuente-en-el-laboratorio-clinico-impacto-en-la-interpretacion-de-resultados","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/estudio-del-ritmo-circadiano-de-las-magnitudes-bioquimicas-de-uso-frecuente-en-el-laboratorio-clinico-impacto-en-la-interpretacion-de-resultados\/","title":{"rendered":"Estudio del ritmo circadiano de las magnitudes bioquimicas de uso frecuente en el laboratorio clinico: impacto en la interpretacion de resultados."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Antonio Rivera Coll <\/strong><\/h2>\n<p>A 25 individos sanos se les extrajeron 6 especimenes de sangre venosa a intervalos de 6 horas, en los que se determinaron 41 magnitudes bioquimicas; ademas, se les midio la temperatura oral cada 2 h. Los ritmos circadianos de las magnitudes estudiadas fueron caracterizados mediante la funcion periodica resultante de la suma de sendas funciones coseno de 24 y y 12 h. De periodo, estimadas por el metodo del cosinor simple. Los resultados obtenidos ponen de manifiesto la existencia de un ritmo circadiano para todas las magnitudes excepto para las concentraciones de alfa-amilasa pancreatica y urato, la osmolalidad del suero y las presiones parciales de oxigeno y dioxido de carbono. No obstante, solo para algunas de ellas la perturbacion maxima en la interpretacion de resultados fue significativa segun el criterio propuesto. La diferencia maxima diaria debida al ritmo oscilo entre un 0,2% y un 63%. Para la mayoria de las magnitudes se observo un incremento durante la ma\u00f1ana, alcanzando el maximo diario durante la tarde, proximo al maximo de temperatura.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio del ritmo circadiano de las magnitudes bioquimicas de uso frecuente en el laboratorio clinico: impacto en la interpretacion de resultados.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio del ritmo circadiano de las magnitudes bioquimicas de uso frecuente en el laboratorio clinico: impacto en la interpretacion de resultados. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Antonio Rivera Coll <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1993<\/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>Xavier Fuentes Arderiu<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Torralba Rodr\u00edguez <\/li>\n<li>Trinitat Cambras Riu (vocal)<\/li>\n<li>Eduardo Go\u00f1alons Sintes (vocal)<\/li>\n<li>Josep Mar\u00eda Queralto Compa\u00f1o (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Antonio Rivera Coll A 25 individos sanos se les extrajeron 6 especimenes de sangre venosa a intervalos [&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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