{"id":19209,"date":"2018-03-09T09:08:07","date_gmt":"2018-03-09T09:08:07","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/las-revisiones-bibliograficas-como-fuente-de-evidencia-cienta%c2%adfica-en-medicina\/"},"modified":"2018-03-09T09:08:07","modified_gmt":"2018-03-09T09:08:07","slug":"las-revisiones-bibliograficas-como-fuente-de-evidencia-cienta%c2%adfica-en-medicina","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/las-revisiones-bibliograficas-como-fuente-de-evidencia-cienta%c2%adfica-en-medicina\/","title":{"rendered":"Las revisiones bibliogr\u00e1ficas como fuente de evidencia cient\u00edfica en medicina"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ernesto G\u00f3mez Gras <\/strong><\/h2>\n<p>Fundamento  se han propuesto las revisiones sistem\u00e1ticas de la bibliograf\u00eda como un m\u00e9todo de identificaci\u00f3n de evidencias cient\u00edficas. Sin embargo, se desconoce si cumplen criterios de objetividad, reproducibilidad y protecci\u00f3n de sesgos como para poder ser consideradas como cient\u00edficamente v\u00e1lidas. se realiza un experimento de reproducibilidad y validez de una revisi\u00f3n bibliogr\u00e1fica sobre cardiopat\u00eda isqu\u00e9mica.  m\u00e9todo  estudio de concordancia entre dos revisores independientes para la identificaci\u00f3n recuperaci\u00f3n, selecci\u00f3n y evaluaci\u00f3n de la calidad de los estudios empleados en la elaboraci\u00f3n de una revisi\u00f3n sistem\u00e1tica, utilizando un protocolo consensuado. Se analiza la concordancia entre ambos mediante \u00edndices kappa para dos observadores en varias categor\u00edas. La validez se eval\u00faa por la cumplimentaci\u00f3n de los criterios de un est\u00e1ndar validado de revisi\u00f3n y por la aceptabilidad de los usuarios de la revisi\u00f3n.  resultados  el acuerdo en la identificaci\u00f3n de referencias fue pobre a pesar de utilizar las mismas palabras clave y estrategias de b\u00fasqueda (869 frente a 476). La concordancia mejor\u00f3 al analizar la recuperaci\u00f3n (26.6% contra 28.1%), selecci\u00f3n (ks = 0.69), conclusiones (ks = 0.64) y valoraci\u00f3n de la evidencia aportada por los art\u00edculos (kp = 0.32, kp = 0.46), s\u00f3lo fue moderada. La adaptaci\u00f3n a los criterios metodol\u00f3gicos est\u00e1ndar y la aceptabilidad de la revisi\u00f3n entre sus usuarios fueron elevadas.  conclusiones  la ejecuci\u00f3n de revisiones bibliogr\u00e1ficas sistem\u00e1ticas, a\u00fan realizadas bajo protocolos, no est\u00e1 exenta de sesgos con capacidad para afectarlas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Las revisiones bibliogr\u00e1ficas como fuente de evidencia cient\u00edfica en medicina<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Las revisiones bibliogr\u00e1ficas como fuente de evidencia cient\u00edfica en medicina <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ernesto G\u00f3mez Gras <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Sevilla<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 27\/09\/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> Lacalle Remigio Juan  Ram\u00f3n<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: emilio Rubio calvo <\/li>\n<li>Juan Pol\u00f1o padillo (vocal)<\/li>\n<li>joan Sentis  vilalta (vocal)<\/li>\n<li>Rafael Gabriel s\u00e1nchez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ernesto G\u00f3mez Gras Fundamento se han propuesto las revisiones sistem\u00e1ticas de la bibliograf\u00eda como un m\u00e9todo 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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