{"id":10753,"date":"1996-01-01T00:00:00","date_gmt":"1996-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1996\/01\/01\/efectos-de-la-suplementacion-nutricional-con-carnitina-en-la-alimentacion-del-recien-nacido-pretermino\/"},"modified":"1996-01-01T00:00:00","modified_gmt":"1996-01-01T00:00:00","slug":"efectos-de-la-suplementacion-nutricional-con-carnitina-en-la-alimentacion-del-recien-nacido-pretermino","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/efectos-de-la-suplementacion-nutricional-con-carnitina-en-la-alimentacion-del-recien-nacido-pretermino\/","title":{"rendered":"Efectos de la suplementacion nutricional con carnitina en la alimentacion del recien nacido pretermino."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Selma Liemlahi <\/strong><\/h2>\n<p>Tras el nacimiento, la interrupcion brusca de la transferencia materno-fetal de carnitina y de sus aminoacidos precursores, el cambio de sustratos energeticos, la limitada capacidad de sintesis, los escasos depositos de carnitina, el periodo de ayuno temprano y la menor biodisponibilidad de esta amina cuaternaria en las formulas infantiles frente a la leche humana, hacen que el neonato este en riesgo de \u00abinsuficiencia de carnitina\u00bb. Se sabe que la determinacion aislada de carnitina libre y total (cl y ct) (metabolitos de carnitina) es insuficiente para evaluar el estado nutricional de carnitina, y se propone la cuantificacion concomitante de esteres de carnitina de cadena larga y corta. Con estos antecedentes, el objetivo del presente estudio es analizar las concentraciones plasmaticas de carnitina y sus metabolitos en recien nacidos a termino (rnt) y pretermino (rnp) en el periodo neonatal precoz (pnp) y tardio (pnt), alimentados con una formula adaptada y la misma formula suplementada con carnitina (segun los criterios de la epsgan\/aap), valorando la influencia de 3 factores:1) madurez fetal; 2) periodo de estudio;3) tipo de alimentacion, con el fin de estimar el riesgo de \u00abinsuficiencia de carnitina\u00bb.  metodos: casuistica: se estudian 176 recien nacidos divididos en 6 grupos: g-i: 33 rnp y g-ii: 55 rnt, cuyas muestras fueron obtenidas de arteria umbilical en el momento del parto. G-iii: 22 rnp alimentados con formula adaptada (para prematuros) (la); g-iv: 22 rnp que recibieron la suplementada con l-carnitina (las); g-v: 22 rnt alimentados con formula de inicio (la); g-vi: 22 rnt alimentados con las para rnt. Todos los recien nacidos presentaron un peso al nacimiento adecuado para su edad de gestacion. Bioquimica: se determinaron colesterol total (ct), trigliceridos (tg) y colesterol unido a lipoproteinas de alta densidad (hdlc) por espectrofotometria en mg\/dl; ldlc y vldlc se calcularon mediante la formula de friedwald; carnit<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Efectos de la suplementacion nutricional con carnitina en la alimentacion del recien nacido pretermino.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Efectos de la suplementacion nutricional con carnitina en la alimentacion del recien nacido pretermino. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Selma Liemlahi <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Granada<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1996<\/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>Carmen Lopez Sabatel (vocal)<\/li>\n<li>Montserrat Rivero Urgell (vocal)<\/li>\n<li>Jos\u00e9 Antonio Gomez Capilla (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Selma Liemlahi Tras el nacimiento, la interrupcion brusca de la transferencia materno-fetal de carnitina y de sus [&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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