{"id":83471,"date":"2018-03-10T00:07:35","date_gmt":"2018-03-10T00:07:35","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/analisis-de-la-variabilidad-del-ritmo-cardiaco-representacion-temporal-e-a%c2%adndices-cla%c2%adnicos\/"},"modified":"2018-03-10T00:07:35","modified_gmt":"2018-03-10T00:07:35","slug":"analisis-de-la-variabilidad-del-ritmo-cardiaco-representacion-temporal-e-a%c2%adndices-cla%c2%adnicos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/matematicas\/analisis-de-la-variabilidad-del-ritmo-cardiaco-representacion-temporal-e-a%c2%adndices-cla%c2%adnicos\/","title":{"rendered":"An\u00e1lisis de la variabilidad del ritmo cardiaco: representaci\u00f3n temporal e \u00edndices cl\u00ednicos"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Javier Mateo Gascon <\/strong><\/h2>\n<p>El objetivo principal persegudio es establecer y justificar una metodolog\u00eda que permita inferir de forma precisa las propiedades espectrales de la variabilidad del ritmo cardiaco a trav\u00e9s de los instantes de ocurrencia de los latidos. Para ello se recurre a un modelo que relacione la se\u00f1al causante de la variabilidad con los instantes de ocurrencia de los latidos. se ha elegido el modelo ipfm, por su generalidad y relaci\u00f3n con la fisiolog\u00eda involucrada.  asumiendo el modelo ipfm, se introduce una nueva se\u00f1al denomiada temporizaci\u00f3n cardiaca que surge como necesidad ante las limitaciones de las utilizadas cl\u00e1sicamente, de representar fielmente a la se\u00f1al generadora de los instantes de ocurrencia de los latidos. Utilizando este modelo se establece un estudio objetivo de las diferentes alternativas involucradas. Las se\u00f1ales relacionadas con la variabilidad del ritmo cardiaco se encuentran irregularmente muestreadas en el tiempo. La propuesta de m\u00e9todos de estimaci\u00f3n espectral para se\u00f1ales no uniformemente muestreadas junto con el an\u00e1lisis comparativo con los m\u00e9todos m\u00e1s utilizados constituye otra parte importante del presente trabajo.  adicionalmente, se analiza la problem\u00e1tica que se presenta en registros de se\u00f1ales reales y se proponen soluciones para evitar sus efectos. En particular, se estudia la repercusi\u00f3n que tiene la resoluci\u00f3n con que se determina la posici\u00f3n de los latidos en la estimaci\u00f3n espectral y la presencia de latidos an\u00f3malos, bien debido a falsas anotaciones o bien debidos a la presencia de latidos ect\u00f3picos. Finalmente, se aplica la metodolog\u00eda expuesta al estudiar la relaci\u00f3n entre la variabildiad del ritmo cardiaco y la isquemia. En concreto, se ha utilizado la base de datos st-t europea, la base de datos staff iii y se han incluido algunos estudios preliminares sobre la evoluci\u00f3n de la hrv en situaciones de prueba de esfuerzo.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>An\u00e1lisis de la variabilidad del ritmo cardiaco: representaci\u00f3n temporal e \u00edndices cl\u00ednicos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 An\u00e1lisis de la variabilidad del ritmo cardiaco: representaci\u00f3n temporal e \u00edndices cl\u00ednicos <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Javier Mateo Gascon <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 22\/02\/2000<\/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>Pablo Laguna Lasbosa<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: ram\u00f3n Pall\u00ed\u00a0s areny <\/li>\n<li>luca Mainardi (vocal)<\/li>\n<li>raimon Jane (vocal)<\/li>\n<li>Mar\u00eda Ferrero jose (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Javier Mateo Gascon El objetivo principal persegudio es establecer y justificar una metodolog\u00eda que permita inferir de [&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":[1890,332,15966,126,2489,13610],"tags":[155652,124218,176888,176887,126501,66596],"class_list":["post-83471","post","type-post","status-publish","format-standard","hentry","category-ciencia-de-los-ordenadores","category-ciencias-tecnologicas","category-computacion-digital","category-matematicas","category-tecnologia-de-las-telecomunicaciones","category-zaragoza","tag-javier-mateo-gascon","tag-luca-mainardi","tag-maria-ferrero-jose","tag-pablo-laguna-lasbosa","tag-raimon-jane","tag-ramon-palli-s-areny"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/83471","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=83471"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/83471\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=83471"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=83471"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=83471"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}