{"id":17004,"date":"2018-03-09T09:04:52","date_gmt":"2018-03-09T09:04:52","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-hemodinamica-cerebral-en-recien-nacidos-mediante-espectroscopia-de-infrarrojo-cercano\/"},"modified":"2018-03-09T09:04:52","modified_gmt":"2018-03-09T09:04:52","slug":"estudio-de-hemodinamica-cerebral-en-recien-nacidos-mediante-espectroscopia-de-infrarrojo-cercano","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/estudio-de-hemodinamica-cerebral-en-recien-nacidos-mediante-espectroscopia-de-infrarrojo-cercano\/","title":{"rendered":"Estudio de hemodin\u00e1mica cerebral en recien nacidos mediante espectroscopia de infrarrojo cercano"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  R\u00edo Pastoriza In\u00e9s Del <\/strong><\/h2>\n<p>Estudio de la hemodin\u00e1mica cerebral realizado en 152 reci\u00e9n nacidos sanos a t\u00e9rmino, de tipo prospectivo, mediante espectroscopia de infrarrojo cercano (nirs). Se procede a la monitorizaci\u00f3n mediante nirs en el 1\u00c2\u00ba y 2\u00c2\u00ba d\u00edas de vida, a todos los rn, en reposo, obteniendo registros de 10 minutos m\u00ednimo (600 valores de cada par\u00e1metro), tras un estado previo de estabilidad de unos 5-10 minutos. Se recogen de forma simult\u00e1nea los valores de sato2 perif\u00e9rica, po2 y pco2 transcut\u00e1neas para comprobar la estabilidad. se procede al estudio de los par\u00e1metros de hemodin\u00e1mica cerebral en funci\u00f3n de la forma de nacimiento, las horas de vida, sexo, peso, pc y hematocrito.  se realiza an\u00e1lisis estad\u00edstico de 143 rn tras rechazar aquellos que presentasen patolog\u00eda o no mantuviesen las caracter\u00edsticas de reposo y estabilidad de los registros de nirs.  no se obtienen diferencias en los valores de vsc medios entre 1\u00c2\u00ba y 2\u00c2\u00ba d\u00edas de vida, ni entre sexos. Se observa un significativo menor vsc en los ni\u00f1os con peso en percentil menor de p10 (con valores de hbo2 y hb significativamente menores), y tambi\u00e9n en los nacidos con pc menor de p10 (en este caso s\u00f3lo significativamente menor la hbo2). Los ni\u00f1os con hematocrito mayor o igual a 60% presentaron un significativo menor vsc (con valores de hb y hbo2 significativamente mayores).  los nacidos mediante parto instrumental (sobre todo forceps) presentaron un mayor vsc medio, con respecto a los nacidos mediante ces\u00e1rea y pev. los que nacen mediante forceps presentan el mayor vsc medio con valores m\u00e1s elevados de hbo2 (por posible hiperaflujo como mecanismo compensatorio tras estr\u00e9s hemodin\u00e1mico) y de hb (por posible mayor consumo de o2 o tendencia al \u00e9stasis venoso en la zona), mientras que los nacidos por ces\u00e1rea presentan el menor vsc (con significativos menores valores de hbo2 y hb). No es posible calcular el fsc mediante nirs en rn sanos respirando aire ambiente por no lograrse la<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de hemodin\u00e1mica cerebral en recien nacidos mediante espectroscopia de infrarrojo cercano<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de hemodin\u00e1mica cerebral en recien nacidos mediante espectroscopia de infrarrojo cercano <\/li>\n<li><strong>Autor:<\/strong>\u00a0  R\u00edo Pastoriza In\u00e9s Del <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 24\/05\/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> Fraga Berm\u00fadez Jos\u00e9 M.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: rafael Tojo sierra <\/li>\n<li>josep Figueras aloy (vocal)<\/li>\n<li>Rafael Jimenez gonzalez (vocal)<\/li>\n<li>Manuel Iglesias diz (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de R\u00edo Pastoriza In\u00e9s Del Estudio de la hemodin\u00e1mica cerebral realizado en 152 reci\u00e9n nacidos sanos a t\u00e9rmino, [&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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