{"id":105430,"date":"2010-03-12T00:00:00","date_gmt":"2010-03-12T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/colonizacion-nasofara%c2%adngea-y-enfermedad-invasiva-por-streptococcus-pneumoniae-en-ninos-menores-de-5-anos\/"},"modified":"2010-03-12T00:00:00","modified_gmt":"2010-03-12T00:00:00","slug":"colonizacion-nasofara%c2%adngea-y-enfermedad-invasiva-por-streptococcus-pneumoniae-en-ninos-menores-de-5-anos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/pediatria\/colonizacion-nasofara%c2%adngea-y-enfermedad-invasiva-por-streptococcus-pneumoniae-en-ninos-menores-de-5-anos\/","title":{"rendered":"Colonizaci\u00f3n nasofar\u00edngea y enfermedad invasiva por streptococcus pneumoniae en ni\u00f1os menores de 5 a\u00f1os"},"content":{"rendered":"<h2>Tesis doctoral de <strong> \u00e1lvaro D\u00edaz Conradi <\/strong><\/h2>\n<p>El trabajo de tesis se presenta en la modalidad de publicaci\u00f3n y compendio resumen de las investigaciones de las cuales ha formado parte el doctorando. Las publicaciones  cumplen los criterios de inclusi\u00f3n para su presentaci\u00f3n relacionados con el factor de impacto y en concordancia con las reglas en uso del programa de doctorado.  el primer trabajo(1) estudia la colonizaci\u00f3n nasofar\u00edngea por streptococcus pneumoniae y el impacto que la amoxicilina puede tener sobre ella. Para ello se elabora un estudio prospectivo en el que se  recogen tres muestras de frotis nasofar\u00edngeo a  134 ni\u00f1os menores de 5 a\u00f1os que acuden a urgencias con cl\u00ednica de infecci\u00f3n por  s. Pneumoniae. la colonizaci\u00f3n desciende a la mitad en la segunda muestra tras el tratamiento antibi\u00f3tico, prevaleciendo serotipos resistentes a la penicilina, pero asciende en la 3\u00aa muestra debido a  recolonizaci\u00f3n , en la mitad de los casos por cepas de novo. Tambi\u00e9n observamos que a medida que aumenta la edad predominan los serotipos no vacunales que son, en general, sensibles a penicilina.  el segundo estudio(2) se decidi\u00f3 iniciarlo tras detectar enfermedad invasiva neumoc\u00f3cica (ein) en ni\u00f1os que hab\u00edan recibido 2 \u00f3 m\u00e1s dosis de vacuna antineumoc\u00f3cica heptavalente conjugada. Se decidi\u00f3 estudiar los casos de ein en la poblaci\u00f3n infantil de terrassa diagnosticados en los dos hospitales adscritos a la poblaci\u00f3n. Para ello se dividi\u00f3 en 2 periodos, uno prevacunal (1999-2001) y otro posterior a la introducci\u00f3n de la vacuna (2002-2004). Se describen detalladamente  7 casos de ein en ni\u00f1os menores de 5 a\u00f1os correctamente vacunados. Todos los  serotipos aislados eran no vacunales salvo uno relacionado con la vacuna. Durante el periodo vacunal se observa un descenso de los serotipos vacunales as\u00ed como un aumento de las neumon\u00edas bacteri\u00e9micas y empiemas.   (1) diaz-conradi a, calbo a, cuch\u00ed e, puig rg, garcia-rey c, boada lt, et al.  impact of amoxicilin, associated or not with clavulanic acid, on pharyngeal colonization and selection of streptococcus pneumoniae resistance in children under 5 years of age.  Eur j pediatr 2007; 166(5): 467-471   (2)e. Calbo, a. D\u00edaz, e. Ca\u00f1adell, f. F\u00e1brega, s. Uriz, m. Xercavins, m.A. Moreno, e. Cuchi, m. Rodr\u00edguez-carballeira and j. Garau.   Invasive pneumococcal disease among children in a health district of barcelona: early impact of pneumococcal conjugate vaccine.  Clin microbiol infect 2006; 12: 867-872<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Colonizaci\u00f3n nasofar\u00edngea y enfermedad invasiva por streptococcus pneumoniae en ni\u00f1os menores de 5 a\u00f1os<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Colonizaci\u00f3n nasofar\u00edngea y enfermedad invasiva por streptococcus pneumoniae en ni\u00f1os menores de 5 a\u00f1os <\/li>\n<li><strong>Autor:<\/strong>\u00a0 \u00e1lvaro D\u00edaz Conradi <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 03\/12\/2010<\/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>Xavier Pastor Dur\u00e1n<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: rafael Jimenez gonzalez <\/li>\n<li>Antonio Mart\u00ednez roig (vocal)<\/li>\n<li>  (vocal)<\/li>\n<li>  (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de \u00e1lvaro D\u00edaz Conradi El trabajo de tesis se presenta en la modalidad de publicaci\u00f3n y compendio resumen [&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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