{"id":19709,"date":"2018-03-09T09:08:47","date_gmt":"2018-03-09T09:08:47","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/drogas-beta-adrenergicas-y-perfusion-esplacnica-durante-el-pneumoperitoneo-con-co2-experimental\/"},"modified":"2018-03-09T09:08:47","modified_gmt":"2018-03-09T09:08:47","slug":"drogas-beta-adrenergicas-y-perfusion-esplacnica-durante-el-pneumoperitoneo-con-co2-experimental","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/drogas-beta-adrenergicas-y-perfusion-esplacnica-durante-el-pneumoperitoneo-con-co2-experimental\/","title":{"rendered":"Drogas beta-adren\u00e9rgicas y perfusi\u00f3n espl\u00e1cnica durante el pneumoperitoneo con co2 experimental"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Merc\u00e9 Agust\u00ed Las\u00fas <\/strong><\/h2>\n<p>El aumento de presi\u00f3n intraabdominal que ocurre en pacientes politraum\u00e1ticos y postquir\u00fargicos, y en pacientes sometidos a cirug\u00eda laparosc\u00f3pica, da lugar a alteraciones hemodin\u00e1micas sist\u00e9micas y espl\u00e1cnicas que son bien conocidas. Nuestra hip\u00f3tesis es que la utilizaci\u00f3n de f\u00e1rmacos beta-adren\u00e9rgicos deber\u00eda ser capaz de modificar los efectos hemodin\u00e1micos del pneumoperitoneo por un efecto inotr\u00f3pico positivo y vasodilatador del territorio espl\u00e1cnico. se realizaron dos estudios experimentales en cerdos sometidos a penumoperitoneo a una presi\u00f3n intraabdominal de 15 mmhg. En el primer estudio se utilizaron 25 cerdos sometidos a pneumoperitoneo durante 2 horas. Al cabo de 1 hora del inicio del pneumoperitoneo, se inici\u00f3 perfusi\u00f3n de drogas vasoactivas durante 30 minutos, dividiendo a los animales en 3 grupos. En un grupo de 10 cerdos se administr\u00f3 dopamina a 5 ug\/kg\/min. En otros 10 cerdos se administr\u00f3 a 5 ug\/kg\/min. En otros 5 cerdos (grupo control) se administr\u00f3 suero fisiol\u00f3gico. Se monitorizaron los par\u00e1metros hemodin\u00e1micos sist\u00e9micos, el flujo sangu\u00edneo de la arteria mesent\u00e9rica superior (fluj\u00f3metro ultras\u00f3nico perivascular) y el flujo sangu\u00edneo de la mucosa intestinal (fluj\u00f3metro l\u00e1ser-doppler). Aunque la dobutamina consigui\u00f3 revertir el descenso del gasto card\u00edaco, no consigui\u00f3 restaurar el fujo sangu\u00edneo de la arteria mesent\u00e9rica superior; sin embargo, el flujo sangu\u00edneo de la mucosa intestinal si volvi\u00f3 a los niveles basales. La dopamina no tuvo ning\u00fan efecto beneficioso en las variables hemodin\u00e1micas espl\u00e1cnicas.  en este estudio se concluy\u00f3 que la administraci\u00f3n de dosis bajas de dobutamina corrige el deterioro de la perfusi\u00f3n de la mucosa intestinal debido a incrementos moderados de la presi\u00f3n intraabdominal. Se realiz\u00f3 un segundo estudio, siguiendo la misma metodolog\u00eda  que en el primero, para valorar el efecto de las drogas beta-adren\u00e9rgicas sobre las alteraciones de la hemodin<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Drogas beta-adren\u00e9rgicas y perfusi\u00f3n espl\u00e1cnica durante el pneumoperitoneo con co2 experimental<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Drogas beta-adren\u00e9rgicas y perfusi\u00f3n espl\u00e1cnica durante el pneumoperitoneo con co2 experimental <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Merc\u00e9 Agust\u00ed Las\u00fas <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 30\/10\/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>Carmen Gomar Sancho<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jaume Fern\u00e1ndez llamazares rodriguez <\/li>\n<li>Juli\u00e1n Pan\u00e9s d\u00edaz (vocal)<\/li>\n<li>Jos\u00e9 Visa miracle (vocal)<\/li>\n<li> Calatrava saz Mar\u00eda  purificaci\u00f3n (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Merc\u00e9 Agust\u00ed Las\u00fas El aumento de presi\u00f3n intraabdominal que ocurre en pacientes politraum\u00e1ticos y postquir\u00fargicos, y en [&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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