{"id":15154,"date":"2018-03-09T09:02:11","date_gmt":"2018-03-09T09:02:11","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/metanalisis-de-los-factores-de-riesgo-en-la-enfermedad-de-parkinson\/"},"modified":"2018-03-09T09:02:11","modified_gmt":"2018-03-09T09:02:11","slug":"metanalisis-de-los-factores-de-riesgo-en-la-enfermedad-de-parkinson","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/metanalisis-de-los-factores-de-riesgo-en-la-enfermedad-de-parkinson\/","title":{"rendered":"Metan\u00e1lisis de los factores de riesgo en la enfermedad de parkinson"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Farouk Ahmed Allam Mohamed <\/strong><\/h2>\n<p>En esta tesis se revisaron los resultados de todos los estudios observacionales sobre la asociaci\u00f3n entre el consumo de tabaco y el riesgo de la enfermedad de parkinson (ep) para evaluar si es cierto que el tabaco ejerce alguna funci\u00f3n protectora sobre esta enfermedad.  se realiz\u00f3 una b\u00fasqueda en medline, psyclit y nisc m\u00e9xico biblioline de todos los art\u00edculos y en todos los idiomas publicados hasta diciembre de 2000 que incluyeran las siguientes palabras clave: enfermedad de parkinson, tabaco, fumar.  se admitieron en el meta-an\u00e1lisis 60 estudios que valoraban el riesgo de ep en personas que hab\u00edan fumado tabaco. De los 60 estudios, 54 eran transversales o bien caso-control y 6 eran estudios de cohortes. Los resultados de estos estudios conten\u00edan suficientes elementos como para establecer una estimaci\u00f3n cuantitativa del riesgo de padecer ep en aquellos individuos que consumaban tabaco. Otros 3 estudios restantes fueron exclu\u00eddos porque no presentaban suficientes resultados aunque ninguno inform\u00f3 asociaci\u00f3n inversa.  los diferentes estudios que se han realizado al respecto, var\u00edan ampliamente en cuanto a metodolog\u00eda, criterios diagn\u00f3sticos y periodos de observaci\u00f3n, siendo dif\u00edcilmente comparables. El meta-an\u00e1lisis de los estudios transversales y de caso-control estim\u00f3 que la odds ratio del ep en aquellos que fumaban comparado con los que no fumaban se situaba entre 0,56 y 0,71. El meta-an\u00e1lisis de los estudios de cohortes mostraba que el riesgo relativo en aquellos que los tomaban durante largos per\u00edodos de tiempo se situaba entre 0,42 y 0,69.  se concluye:  1,- hay una clara asociaci\u00f3n inversa entre el consumo de tabaco y ep seg\u00fan los estudios observacionales.  2,- la heterogeneidad entre los resultados de los diferentes estudios la aportan los estudios retrospectivos.  3,- la ausencia de la misma asociaci\u00f3n para los ex fumadores apunta hacia una casualidad inversa: ep protege contra el tabaco.  4,- p<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Metan\u00e1lisis de los factores de riesgo en la enfermedad de parkinson<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Metan\u00e1lisis de los factores de riesgo en la enfermedad de parkinson <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Farouk Ahmed Allam Mohamed <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 18\/01\/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>crehuet Navajas Fernandez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Medina le\u00f3n <\/li>\n<li>Jorge  daniel Gomez aracena (vocal)<\/li>\n<li>jan Olof h\u00ed\u00b6rnquist (vocal)<\/li>\n<li>ram\u00f3n G\u00e1lvez vargas (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Farouk Ahmed Allam Mohamed En esta tesis se revisaron los resultados de todos los estudios observacionales sobre [&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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