{"id":142453,"date":"2026-04-26T00:13:22","date_gmt":"2026-04-26T00:13:22","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/papel-de-la-carnitina-en-la-adaptacion-metabolico-energetica-del-recien-nacido-pretermino-en-el-periodo-perinatal\/"},"modified":"2026-04-26T00:13:22","modified_gmt":"2026-04-26T00:13:22","slug":"papel-de-la-carnitina-en-la-adaptacion-metabolico-energetica-del-recien-nacido-pretermino-en-el-periodo-perinatal","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/papel-de-la-carnitina-en-la-adaptacion-metabolico-energetica-del-recien-nacido-pretermino-en-el-periodo-perinatal\/","title":{"rendered":"Papel de la carnitina en la adaptacion metabolico energetica del recien nacido pretermino en el periodo perinatal."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Concepcion Perez Perez <\/strong><\/h2>\n<p>El feto debido a sus escasos depositos deglucogeno y baja capacidad de sintesis de glucosa, al nacer debe recurir a la lipolisis y proteolisis para obtener la energia que precisa. La carnitina es importante en los dos metabolismos: es necesaria su esterificacion con los acidos grasos para que estos puedan pasar al interior de la mitocondria y ser beta-oxidados, y para la activacion de los catoacidos de cadena ramificada. Pero en el recien nacido (rn) se encuentra en bajas concentraciones plasmaticas, el rn tiene menor capacidad de sintesis y menores depositos que el adulto y aun mas precaria es la situacion en el rn pretermino.  objetivo: relacionar las concentraciones de cordon umbilical con el grado de madurez y el estado nutritivo clinico; comprobar si las condiciones metabolicas en la madre del rn pretermino influyen en su hijo; conocer la adaptacion metabolico-energetica en el rn pretermino en el periodo neonatal precoz; comprobar si el rn pretermino tiene suficientes concentraciones de carnitina para obtener la energia que precisa de las reservas grasas o debe recurir a la proteolisis.  material y metodo: se estudian 88 parejas \u00abmadre-recien nacido\u00bb divididos en dos grupos: g-i:gestaciones a termino (n:55), g-ii:gestaciones pretermino (n:33) (muestras obtenidas en el momento del parto), y 70 rn en el periodo neonatal precoz, g-iii: 40 rn a termino y g-iv, 30 rn pretermino. Bioquimica: glucosa: tecnica (t) automatizada mediante kit beckman; trigliceridos:t automatizada mediante kit beckman; trigliceridos: t automatizada mediante kit beckman: colesterol: t automatizada kit beckman; acidos grasos libres:  determinacion cuantitativa de acidos grasos libres en plasma; beta-hidroxibutirato: t fluorimetrica; carnitina libre y sus esteres: t radiquimica enzimetica; aminoacidos (valina, leucina, isoleucina, glutamico, glutamina, alanina, lisina y metionina) t cromatografica.  resultados+discusion: existe transporte materno-place<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Papel de la carnitina en la adaptacion metabolico energetica del recien nacido pretermino en el periodo perinatal.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Papel de la carnitina en la adaptacion metabolico energetica del recien nacido pretermino en el periodo perinatal. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Concepcion Perez Perez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Granada<\/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>Rogelio Bayes Garcia<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan  Antonio Molina Font <\/li>\n<li>Jos\u00e9 Antonio Gomez Capilla (vocal)<\/li>\n<li>Gonzalo Lastra Sanchez (vocal)<\/li>\n<li>  (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Concepcion Perez Perez El feto debido a sus escasos depositos deglucogeno y baja capacidad de sintesis 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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