{"id":29919,"date":"2018-03-09T09:23:16","date_gmt":"2018-03-09T09:23:16","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/prediccion-de-mortalidad-precoz-tras-implantacion-de-derivacion-portosistemica-percutanea-intrahepatica-dppi-en-pacientes-cirroticos-valoracion-de-metodos-de-clasificacion-supervisada\/"},"modified":"2018-03-09T09:23:16","modified_gmt":"2018-03-09T09:23:16","slug":"prediccion-de-mortalidad-precoz-tras-implantacion-de-derivacion-portosistemica-percutanea-intrahepatica-dppi-en-pacientes-cirroticos-valoracion-de-metodos-de-clasificacion-supervisada","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/navarra\/prediccion-de-mortalidad-precoz-tras-implantacion-de-derivacion-portosistemica-percutanea-intrahepatica-dppi-en-pacientes-cirroticos-valoracion-de-metodos-de-clasificacion-supervisada\/","title":{"rendered":"Predicci\u00f3n de mortalidad precoz tras implantaci\u00f3n de derivaci\u00f3n portosist\u00e9mica percut\u00e1nea intrahep\u00e1tica (dppi) en pacientes cirr\u00f3ticos. valoraci\u00f3n de m\u00e9todos de clasificaci\u00f3n supervisada"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Merino Hern\u00e1ndez M. Luisa <\/strong><\/h2>\n<p>Introducci\u00f3n  la derivaci\u00f3n percut\u00e1nea portosist\u00e9mica intrahep\u00e1tica (dppi) se utiliza para prevenir o tratar las complicaciones dela hipertensi\u00f3n portal en la cirrosis. Algunos pacientes fallecen de forma precoz tras la colocaci\u00f3n de dppi a causa de insuficiencia hepatocelular. Este subgrupo de pacientes no est\u00e1 definitivamente identificado.  objetivos  identificar los pacientes cirr\u00f3ticos que fallecer\u00e1n en los tres primeros meses tras la implantaci\u00f3n de dppi con el fin de contraindicar esta t\u00e9cnica en esos casos y as\u00ed mejorar su rendimiento.  material y m\u00e9todos  se estudiaron retrospectivamente 114 pacientes cirr\u00f3ticos receptores de dppi en los que se valoraron 77 variables con relaci\u00f3n a la historia cl\u00ednica, laboratorio, \u00edndice de child-pugh, ecograf\u00eda doppler, endoscopia, par\u00e1metros hemodin\u00e1micos, angiograf\u00eda y la propia pr\u00f3tesis. Para ello se utilizaron diversos m\u00e9todos de clasificaci\u00f3n supervisada. Adem\u00e1s se vali\u00f3 el meld score.  resultados  la precisi\u00f3n en la predicci\u00f3n de mortalidad precos post-dppi de los distintos m\u00e9todos fue la siguiente:  m\u00e9todos estad\u00edsticos.  regresi\u00f3n log\u00edstica: 71.91 +- 4.22% (11 variables)  an\u00e1lisis discriminante: 88.60 +- 2.98% (8 variables)  m\u00e9todos de aprendizaje autom\u00e1tico  inducci\u00f3n de reglas: 87.72 +- 3.09% (4 variables)  \u00e1rbol de clasificaci\u00f3n: 87.72 +- 3.09% (3 variables)  vecino m\u00e1s pr\u00f3ximo: 83.33 +- 3.51% (2 variables)  naive bayes: 85.96 +- 3.27% (2 variables)  meld score: 86.66% (4 variables).  conclusiones  1,- se confirma la validez del meld score para su uso cl\u00ednico. Seg\u00fan el presente estudio por su precisi\u00f3n y facilidad de uso sigue siendo el m\u00e9todo de elecci\u00f3n para predicci\u00f3n de moratalidad precoz post- dppi.  2,- m\u00e9todos estad\u00edsticos: el an\u00e1lisis discriminante fue superior a la regesi\u00f3n log\u00edstica. El alto n\u00famero de variables que incluye le hace inferior al meld para la pr\u00e1ctica cl\u00ednica.  3,- m\u00e9todos de ap<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Predicci\u00f3n de mortalidad precoz tras implantaci\u00f3n de derivaci\u00f3n portosist\u00e9mica percut\u00e1nea intrahep\u00e1tica (dppi) en pacientes cirr\u00f3ticos. valoraci\u00f3n de m\u00e9todos de clasificaci\u00f3n supervisada<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Predicci\u00f3n de mortalidad precoz tras implantaci\u00f3n de derivaci\u00f3n portosist\u00e9mica percut\u00e1nea intrahep\u00e1tica (dppi) en pacientes cirr\u00f3ticos. valoraci\u00f3n de m\u00e9todos de clasificaci\u00f3n supervisada <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Merino Hern\u00e1ndez M. Luisa <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Navarra<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 30\/04\/2004<\/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>Jorge  Augusto Quiroga Vilas<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: agustin Caro paton gomez <\/li>\n<li>Andr\u00e9s Valdivieso l\u00f3pez (vocal)<\/li>\n<li>seraf\u00edn Moral callej\u00f3n (vocal)<\/li>\n<li> Mart\u00ednez gonz\u00e1lez Miguel angel (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Merino Hern\u00e1ndez M. Luisa Introducci\u00f3n la derivaci\u00f3n percut\u00e1nea portosist\u00e9mica intrahep\u00e1tica (dppi) se utiliza para prevenir o tratar [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[17749],"tags":[9694,13222,18372,37152,84349,17147],"class_list":["post-29919","post","type-post","status-publish","format-standard","hentry","category-navarra","tag-agustin-caro-paton-gomez","tag-andres-valdivieso-lopez","tag-jorge-augusto-quiroga-vilas","tag-Martinez-gonzalez-miguel-angel","tag-merino-hernandez-m-luisa","tag-serafin-moral-callejon"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/29919","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=29919"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/29919\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=29919"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=29919"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=29919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}