{"id":39824,"date":"1999-01-01T00:00:00","date_gmt":"1999-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-la-masa-osea-en-varones-de-edad-avanzada-relacion-con-la-edad-factores-antropometricos-y-hormonales\/"},"modified":"1999-01-01T00:00:00","modified_gmt":"1999-01-01T00:00:00","slug":"estudio-de-la-masa-osea-en-varones-de-edad-avanzada-relacion-con-la-edad-factores-antropometricos-y-hormonales","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/estudio-de-la-masa-osea-en-varones-de-edad-avanzada-relacion-con-la-edad-factores-antropometricos-y-hormonales\/","title":{"rendered":"Estudio de la masa osea en varones de edad avanzada. relacion con la edad, factores antropometricos y hormonales."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Guillermo Martinez Diaz Guerra <\/strong><\/h2>\n<p>Se ha evaluado la densidad mineral \u00f3sea a nivel lumbar y femoral en 100 varones sanos de edades entre 55 y 88 a\u00f1os, y su relaci\u00f3n la edad, factores antropom\u00e9tricosy hormonales. La t\u00e9cnica empleada para la medici\u00f3n de la masa \u00f3sea ha sido la dxa o absorciometr\u00eda doble de rayos-x. No se ha encontrado influencia significativa de la edad sobre la masa \u00f3sea en ninguna localizaci\u00f3n.  la preValencia de osteoporosis se calcul\u00f3 utilizando para ello los valores de normalidad de poblaci\u00f3n masculina espa\u00f1ola publicados recientemente. Seg\u00fan estos criterios el 30% de los sujetos de la muestra ten\u00edan osteoporosis.  se han evaluado adem\u00e1s diversos par\u00e1metros hormonales (esteroides sexuales y hormonas relacionadas, hormonas calciotr\u00f3picas, marcadores del remodelado \u00f3seo, factores de crecimiento). Con la edad es fisiol\u00f3gico un declive moderado de la funci\u00f3n gonadal, reflejado por una disminuci\u00f3n en los niveles de testosterona biodisponible que es compensado por un aumento en los niveles de fsh y lh. Adem\u00e1s con la edad disminuyen las concentraciones de otras hormonas que act\u00faan como factores reguladores del remodelado \u00f3seo (igf-i, triyodotironina). Los niveles de los marcadores \u00f3seos sugieren que en los varones con la edad existe una alteraci\u00f3n del remodelado \u00f3seo, consistente en una disminuci\u00f3n de la formaci\u00f3n \u00f3sea, y un aumento relativo de la resorci\u00f3n.  a trav\u00e9s del an\u00e1lisis de regresi\u00f3n log\u00edstica se han buscado los factores antropom\u00e9tricos y hormonales que act\u00faan como determinantes independientes de la masa \u00f3sea. El peso corporal es un factor protector, mientras que el nivel de pth y de shbg son factores de riesgo. otros factores hormonales pueden ser tambi\u00e9n factores de riesgo (fsh, telop\u00e9ptido), o de protecci\u00f3n (lh, tsh). El modelo dise\u00f1ado con estas variables permite clasificar correctamente al 77% de los sujetos osteopor\u00f3ticos de la muestra. la variabilidad de la masa \u00f3sea explicada por<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de la masa osea en varones de edad avanzada. relacion con la edad, factores antropometricos y hormonales.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de la masa osea en varones de edad avanzada. relacion con la edad, factores antropometricos y hormonales. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Guillermo Martinez Diaz Guerra <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1999<\/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>Federico Hawkins Carranza<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: fernando Escobar jimenez <\/li>\n<li>Jos\u00e9 Luis Herrera pombo (vocal)<\/li>\n<li>antonino Jara albarran (vocal)<\/li>\n<li>Luis felipe Pallardo sanchez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Guillermo Martinez Diaz Guerra Se ha evaluado la densidad mineral \u00f3sea a nivel lumbar y femoral 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 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":[155,9,8607],"tags":[22740,3917,21702,102208,6626,14834],"class_list":["post-39824","post","type-post","status-publish","format-standard","hentry","category-ciencias-clinicas","category-ciencias-medicas","category-geriatria","tag-antonino-jara-albarran","tag-federico-hawkins-carranza","tag-fernando-escobar-jimenez","tag-guillermo-Martinez-diaz-guerra","tag-jose-luis-herrera-pombo","tag-luis-felipe-pallardo-sanchez"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/39824","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=39824"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/39824\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=39824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=39824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=39824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}