{"id":93714,"date":"2009-03-06T00:00:00","date_gmt":"2009-03-06T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/reduccion-de-interferencias-en-la-senal-mioelectrica-intestinal-registrada-de-forma-no-invasiva-y-obtencion-de-parametros-robustos-del-electroenterograma-eeng\/"},"modified":"2009-03-06T00:00:00","modified_gmt":"2009-03-06T00:00:00","slug":"reduccion-de-interferencias-en-la-senal-mioelectrica-intestinal-registrada-de-forma-no-invasiva-y-obtencion-de-parametros-robustos-del-electroenterograma-eeng","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/cirugia-experimental\/reduccion-de-interferencias-en-la-senal-mioelectrica-intestinal-registrada-de-forma-no-invasiva-y-obtencion-de-parametros-robustos-del-electroenterograma-eeng\/","title":{"rendered":"Reducci\u00f3n de interferencias en la se\u00f1al mioel\u00e9ctrica intestinal registrada de forma no invasiva y obtenci\u00f3n de par\u00e1metros robustos del electroenterograma (eeng)."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Yiyao Ye Lin <\/strong><\/h2>\n<p>El registro de la se\u00f1al mioel\u00e9ctrica intestinal, tambi\u00e9n denominada electroenterograma (eeng), ha sido validado como una alternativa para la monitorizaci\u00f3n de la motilidad intestinal. El eeng est\u00e1 formado por dos componentes: la omnipresente onda lenta (ol) que es la actividad de marcapaso y los potenciales r\u00e1pidos de acci\u00f3n o spike bursts (sb) que est\u00e1 asociada directamente a las contracciones intestinales. A pesar del valor diagn\u00f3stico de los registros internos del eeng, su aplicaci\u00f3n cl\u00ednica est\u00e1 limitada debido a su car\u00e1cter invasivo. Estudios recientes han demostrado que tanto la actividad de ol como la actividad de sb se pueden registrar en la superficie abdominal.  \tno obstante, el eeng de superficie todav\u00eda presenta alguna dificultad para su aplicaci\u00f3n cl\u00ednica. La se\u00f1al mioel\u00e9ctrica registrada en superficie es muy d\u00e9bil, sobre todo en el rango de frecuencia de sb debido al filtrado espacial y a los efectos aislantes de las capas abdominales. Sin embargo, el mayor problema para el estudio de eeng de superficie no es \u00e9ste, sino la presencia de las fuertes interferencias fisiol\u00f3gicas, como  \tcon respecto a las interferencias que afectan principalmente al rango de los sb (interferencia de ecg y artefactos), se han desarrollado tres m\u00e9todos para la reducci\u00f3n de \u00e9stas: el m\u00e9todo basado en ica, el m\u00e9todo basado en emd y el m\u00e9todo combinado basado en emd e ica. La comparaci\u00f3n de los diferentes m\u00e9todos, ha sido realizada con los registros fisiol\u00f3gicos mediante los siguientes par\u00e1metros: el ratio se\u00f1al-interferencia de ecg, la atenuaci\u00f3n de la se\u00f1al de inter\u00e9s y la atenuaci\u00f3n de las interferencias para el estudio sobre la interferencia de ecg, y la variaci\u00f3n de la energ\u00eda asociada a los sb para cuantificar la reducci\u00f3n de los artefactos. Tambi\u00e9n se ha evaluado la mejora en el \u00edndice de motilidad intestinal no-invasiva.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Reducci\u00f3n de interferencias en la se\u00f1al mioel\u00e9ctrica intestinal registrada de forma no invasiva y obtenci\u00f3n de par\u00e1metros robustos del electroenterograma (eeng).<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Reducci\u00f3n de interferencias en la se\u00f1al mioel\u00e9ctrica intestinal registrada de forma no invasiva y obtenci\u00f3n de par\u00e1metros robustos del electroenterograma (eeng). <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Yiyao Ye Lin <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Valencia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 03\/06\/2009<\/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>Jos\u00e9 Lu\u00eds Mart\u00ednez De Juan<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: raimon Jan\u00e9 campos <\/li>\n<li>Juan Guerrero Martinez (vocal)<\/li>\n<li>Francisco Javier Saiz rodriguez (vocal)<\/li>\n<li>pablo Laguna lasaosa (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Yiyao Ye Lin El registro de la se\u00f1al mioel\u00e9ctrica intestinal, tambi\u00e9n denominada electroenterograma (eeng), ha sido validado [&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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