{"id":16405,"date":"2002-12-04T00:00:00","date_gmt":"2002-12-04T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/el-surfactante-colonico-y-la-hidrofobicidad-de-superficie-papel-en-la-barrera-mucosa-del-colon\/"},"modified":"2002-12-04T00:00:00","modified_gmt":"2002-12-04T00:00:00","slug":"el-surfactante-colonico-y-la-hidrofobicidad-de-superficie-papel-en-la-barrera-mucosa-del-colon","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/el-surfactante-colonico-y-la-hidrofobicidad-de-superficie-papel-en-la-barrera-mucosa-del-colon\/","title":{"rendered":"El surfactante colonico y la hidrofobicidad de superficie. papel en la barrera mucosa del colon"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  S\u00e1nchez Garc\u00eda Jos\u00e9 Luis <\/strong><\/h2>\n<p>La barrera mucosa gastrointestinal, formada por surfactante, moco y epitelio mucoso, separa la luz del tubo digestivo del medio interno. El surfactante, compuesto de fosfol\u00edpidos, condiciona propiedades de superficie a la mucosa.  estudios sobre esta barrera se han llevado a cabo en est\u00f3mago de animales.  objetivo  estudiar los fen\u00f3menos de superficie en la mucosa del colon humano.  material y m\u00e9todo  muestras de mucosa de colon y recto humano obtenidas de piezas quir\u00fargicas se han procesado en soluci\u00f3n fisiol\u00f3gica modificada (sf), con factor de crecimiento epid\u00e9rmico (egf), prostaglandina e2 (pge2), diclofenaco (45 ug y 90 ug) e indometacina (mismas dosis) determin\u00e1ndose con un goni\u00f3metro el \u00e1ngulo de contacto como medida de la hidrofobicidad.  desde un homogeneizado de mucosa determinamos las proporciones de fosfol\u00edpidos.  an\u00e1lisis estad\u00edstico: u de mann-whitney, an\u00e1lisis de la varianza de kruskal-wallis, coeficiente de correlaci\u00f3n de spearman, t de student y anova. Nivel de significaci\u00f3n: 5%.  resultados  de 74 pacientes se obtuvieron 134 muestras de mucosa. El 0 en el grupo control fue de 39.52; en el grupo procesado con sf 42.29 (p&lt;0,0001). Las muestras se dividieron en las de pacientes con antecedentes patol\u00f3gicos (n=47, 0=39.34) y las de pacientes sin antecedentes (n=87, 0=39.64) (p=0,01).  este grupo se dividi\u00f3 en: dislipemia (0=40), broncopat\u00eda (0=39.58), cardiopat\u00eda (0=39.30), diabetes mellitus (0=39) e hta (0=39) (p=0,01).  el proceso con egf (0=49.44) y pge2 (0=47.32) determin\u00f3 diferencias (p&lt;0,001) y frente  al grupo sf (p&lt;0,0001). El proceso con diclofenaco (0=35.43) e idometacina (0=35.97) determin\u00f3 diferencias (p&lt;0,001) y frente al grupo sf (p&lt;0,0001); con ambos la duplicaci\u00f3n de la dosis llev\u00f3 un decremento (0=35\u00c2\u00ba) y (0=34.53) (p&lt;0,0001). La divisi\u00f3n del colon en 7 segmentos: ciego (0=39.26), c.Ascendente (0=39.53), c.Transverso proximal (0=39.26), c.Transverso dist<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>El surfactante colonico y la hidrofobicidad de superficie. papel en la barrera mucosa del colon<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 El surfactante colonico y la hidrofobicidad de superficie. papel en la barrera mucosa del colon <\/li>\n<li><strong>Autor:<\/strong>\u00a0  S\u00e1nchez Garc\u00eda Jos\u00e9 Luis <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 12\/04\/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>Manuel Armengol Carrasco<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: xavier Rius cornado <\/li>\n<li> Malagelada benapres joan ram\u00f3n (vocal)<\/li>\n<li>joan Vi\u00f1as sala (vocal)<\/li>\n<li> Lara eisman felipe de (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de S\u00e1nchez Garc\u00eda Jos\u00e9 Luis La barrera mucosa gastrointestinal, formada por surfactante, moco y epitelio mucoso, separa la [&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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