{"id":68691,"date":"2018-03-09T23:13:01","date_gmt":"2018-03-09T23:13:01","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/nuevas-estrategias-en-la-preparacion-y-almacenamiento-de-los-concentrados-de-plaquetas\/"},"modified":"2018-03-09T23:13:01","modified_gmt":"2018-03-09T23:13:01","slug":"nuevas-estrategias-en-la-preparacion-y-almacenamiento-de-los-concentrados-de-plaquetas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/murcia\/nuevas-estrategias-en-la-preparacion-y-almacenamiento-de-los-concentrados-de-plaquetas\/","title":{"rendered":"Nuevas estrategias en la preparacion y almacenamiento de los concentrados de plaquetas"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Elena Perez Ceballos <\/strong><\/h2>\n<p>Introducci\u00f3n:  la transfusi\u00f3n de plaquetas es una herramienta esencial en la medicina moderna, por lo que existe una demanda creciente de concentrados de plaquetas (cps). Actualmente los cps se conservan a 22 \u00c2\u00bac durante un m\u00e1ximo de 5 d\u00edas, ya que un almacenamiento m\u00e1s largo dispara el riesgo de contaminaci\u00f3n bacteriana. Esta corta vida media ocasiona problemas log\u00edsticos, y provoca la p\u00e9rdida por caducidad de muchos cps (20-40%). Una estrategia sencilla para prolongar la duraci\u00f3n de los cps sin aumentar el riesgo de contaminaci\u00f3n, ser\u00eda el almacenamiento refrigerado, pues el fr\u00edo inhibe el crecimiento de las bacterias. Sin embargo, el fr\u00edo activa y lesiona las plaquetas. nuestros estudios preliminares sugieren que los efectos negativos del fr\u00edo disminuyen con inhibidores  de la activaci\u00f3n plaquetaria.  al margen de las distintas estrategias de almacenamiento de cps, un segundo aspecto de actual controversia en el campo de la transfusi\u00f3n es el tema de la leucorreducci\u00f3n de los componentes sangu\u00edneos. Recientemente, se ha debatido la utilidad de implantar la filtraci\u00f3n universal de los productos sangu\u00edneos, y en un principio una de las razones argumentada en favor de tal medida ha sido la potencial transmisi\u00f3n transfusional vehiculizada por los leucocitos de la nueva variante de enfermedad de creutzfeld- jakob (nvecj). A pesar de las controversias a\u00fan no resueltas sobre este tema, es un hecho que la leucorreducci\u00f3n universal pre-almacenamiento de todos los componentes sangu\u00edneos, est\u00e1 siendo adoptada progresivamente a nivel internacional como un nuevo est\u00e1ndar en la producci\u00f3n de los mismos.  la filtraci\u00f3n pre-almacenamiento se realiza normalmente en los centros de transfusi\u00f3n durante las primeras 72 horas tras la donaci\u00f3n, obteni\u00e9ndose productos sangu\u00edneos leucorreducidos que en general se consideran de mayor calidad que aquellos filtrados en la cabecera del enfermo, ya que se previene la acumulaci\u00f3n de<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Nuevas estrategias en la preparacion y almacenamiento de los concentrados de plaquetas<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Nuevas estrategias en la preparacion y almacenamiento de los concentrados de plaquetas <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Elena Perez Ceballos <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Murcia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 28\/06\/2004<\/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>Jose Rivera Pozo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: vicente Vicente garcia <\/li>\n<li>luz Barbolla garcia (vocal)<\/li>\n<li>Jos\u00e9 Manuel Gonzalez ros (vocal)<\/li>\n<li>mercedes Corral alonso (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Elena Perez Ceballos Introducci\u00f3n: la transfusi\u00f3n de plaquetas es una herramienta esencial en la medicina moderna, por [&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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