{"id":16561,"date":"2018-03-09T09:04:14","date_gmt":"2018-03-09T09:04:14","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/efecto-directo-del-ph-sobre-la-secrecion-de-hormona-paratiroidea-pth\/"},"modified":"2018-03-09T09:04:14","modified_gmt":"2018-03-09T09:04:14","slug":"efecto-directo-del-ph-sobre-la-secrecion-de-hormona-paratiroidea-pth","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/efecto-directo-del-ph-sobre-la-secrecion-de-hormona-paratiroidea-pth\/","title":{"rendered":"Efecto directo del ph sobre la secreci\u00f3n de hormona paratiroidea (pth)"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ignacio Lopez Villalba <\/strong><\/h2>\n<p>Debido a los diversos efectos que las alteraciones del equilibrio \u00e1cido-base (acidosis y alcalosis) ejercen sobre el metabolismo mineral, no se ha establecido a\u00fan si los cambios en el ph del medio interno afectan directamente la secreci\u00f3n de pth. Nuestros objetivos han sido determinar si la acidosis y alcalosis agudas:  1,- afectan directamente a la secreci\u00f3n de pth  2,- modifican la respuesta de pth a la hipocalcemia  3,- alteran el metabolismos de la pth  4,- producen efectos sobre la pth diferentes seg\u00fan sean de origen metab\u00f3lico o respiratorio.  en una primera fase se han estudiado 5 grupos de perros:  1,- control  2,- acidosis metab\u00f3lica (ac.Met.)  3,- acidosis respiratoria (ac. Res.)  4,- alcalosis metab\u00f3lica (alc.Met.)  5,- alcalosis respiratoria (alc. Res.)  la ac., Y la alc., Metab\u00f3licas fueron inducidas mediante la infusi\u00f3n de hcl y bicarbonato, respectivamente, mientras que la ac., Y la alc., respiratorias se establecieron mediante hipoventilaci\u00f3n (ac.) E hiperventilaci\u00f3n (alc), respectivamente. Cuando la concentraci\u00f3n de calcio i\u00f3nico se mantuvo en valores normales tanto la ac. Met., Como la ac. Res., Produjeron un incremento (p&lt;0,05) en los niveles de pth, alcanzando valores cercanos a 100 pg\/ml, mientras que en ese mismo periodo se observ\u00f3 un descenso (p&lt;0,05) en la concentraci\u00f3n plasm\u00e1tica de pth con la alc. Met., Y la alc. Res. la respuesta m\u00e1xima de pth registrada durante la hipocalcemia fue muy superior en el grupo de ac. Met., Que en los grupos de ac. Res., Y control, mientras que esta respuesta fue similar en los grupos de alc., Y control. En una segunda fase del estudio se someti\u00f3 a ac. Met., A un nuevo grupo de perros sin controlar la elevaci\u00f3n del ca2+. En estos animales se observ\u00f3 tambi\u00e9n un incremento (p&lt;0,05) en la concentraci\u00f3n de pth, a pesar de presentar una subida del ca2+ superior a 0,01 mmol\/l. Finalmente, en la tercera fase del estudio se determin\u00f3 la vida med<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Efecto directo del ph sobre la secreci\u00f3n de hormona paratiroidea (pth)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Efecto directo del ph sobre la secreci\u00f3n de hormona paratiroidea (pth) <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ignacio Lopez Villalba <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 24\/04\/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>Escolastico Aguilera Tejero<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: enrique Aguilar benitez de lugo <\/li>\n<li>armando Torres ram\u00edrez (vocal)<\/li>\n<li>Rafael Mayer valor (vocal)<\/li>\n<li>Luis Monreal bosch (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ignacio Lopez Villalba Debido a los diversos efectos que las alteraciones del equilibrio \u00e1cido-base (acidosis y alcalosis) [&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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