{"id":12103,"date":"2025-07-09T09:46:11","date_gmt":"2025-07-09T13:46:11","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/urinary-tract-infection-uti\/"},"modified":"2025-07-09T09:46:11","modified_gmt":"2025-07-09T13:46:11","slug":"infeccion-del-tracto-urinario-itu","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/es\/glossary-term\/infeccion-del-tracto-urinario-itu\/","title":{"rendered":"Infecci\u00f3n del Tracto Urinario (ITU)"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[126],"glossary-product":[107,104,105],"class_list":["post-12103","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-urological-conditions","glossary-product-contireflex-enhanced-aus","glossary-product-infla10-pulse-ipp-series","glossary-product-rigi10-malleable-penile-prosthesis"],"acf":{"gt-definition":"<p>Una infecci\u00f3n del tracto urinario (UTI) es una infecci\u00f3n que afecta cualquier parte del sistema urinario, incluidos los ri\u00f1ones, los ur\u00e9teres, la vejiga y la uretra.<sup>1<\/sup> Las infecciones urinarias ocurren cuando las bacterias, m\u00e1s com\u00fanmente Escherichia coli (E. coli), ingresan al tracto urinario a trav\u00e9s de la uretra y comienzan a multiplicarse en la vejiga.<sup>2<\/sup> La infecci\u00f3n puede limitarse a la vejiga (cistitis) o extenderse a los ri\u00f1ones (pielonefritis).<sup>3<\/sup> Las ITU se caracterizan por la inflamaci\u00f3n del epitelio urinario, lo que provoca s\u00edntomas como disuria, frecuencia urinaria, urgencia y ocasionalmente hematuria.<sup>4<\/sup> Las mujeres tienen mayor riesgo de desarrollar ITU que los hombres debido a su uretra m\u00e1s corta y su proximidad a la ano, que facilita la entrada de bacterias.<sup>1<\/sup> El diagn\u00f3stico generalmente implica an\u00e1lisis de orina y urocultivo, y el tratamiento generalmente consiste en una terapia antibi\u00f3tica adecuada seg\u00fan el organismo causante y la gravedad de la infecci\u00f3n.<sup>5<\/sup><\/p>","gt-synonyms":"Cistitis, Infecci\u00f3n de vejiga, Infecci\u00f3n del tracto urinario inferior (ITUU), Uretritis, S\u00edndrome uretral agudo, Urosepsis (cuando la infecci\u00f3n ingresa al torrente sangu\u00edneo), Pielonefritis (infecci\u00f3n renal), Bacteriuria (bacterias en la orina)","gt-citation":"[1] Flores-Mireles AL, Walker JN, Caparon M, Hultgren SJ. Urinary tract infections: epidemiology, mechanisms of infection and treatment options. Nat Rev Microbiol. 2015 Apr 8;13(5):269-284. DOI: 10.1038\/nrmicro3432\n\n[2] Bono MJ, Leslie SW. Uncomplicated Urinary Tract Infections. StatPearls [Internet]. 2025 Feb 21. PMID: 29261874\n\n[3] Centers for Disease Control and Prevention. Urinary Tract Infection Basics. Actualizado January 22, 2024. https:\/\/www.cdc.gov\/uti\/about\/index.html\n\n[4] National Institute of Diabetes and Digestive and Kidney Diseases. Bladder Infection (Urinary Tract Infection\u2014UTI) in Adults. Actualizado April 2024. https:\/\/www.niddk.nih.gov\/health-information\/urologic-diseases\/bladder-infection-uti-in-adults\n\n[5] Mayo Clinic. Urinary tract infection (UTI) - Symptoms and causes. Actualizado September 14, 2022. https:\/\/www.mayoclinic.org\/diseases-conditions\/urinary-tract-infection\/symptoms-causes\/syc-20353447","gt-clinical-context":"<p>Las infecciones del tracto urinario (ITU) se encuentran entre las infecciones bacterianas m\u00e1s comunes que se encuentran en la pr\u00e1ctica cl\u00ednica.<sup>1<\/sup> Afectan principalmente el tracto urinario inferior, incluida la vejiga y las estructuras asociadas, aunque pueden ascender hasta afectar los ri\u00f1ones en casos m\u00e1s graves.<sup>2<\/sup><\/p>\n    \n    <h3>Selecci\u00f3n y presentaci\u00f3n del paciente<\/h3>\n    <p>Las ITU afectan predominantemente a las mujeres, y aproximadamente el 50-60% experimenta al menos una ITU en su vida.<sup>1<\/sup> Los factores de riesgo incluyen la anatom\u00eda femenina, la actividad sexual, ciertos tipos de anticonceptivos (especialmente diafragmas con espermicida), menopausia, anomal\u00edas del tracto urinario, bloqueos en el tracto urinario, sistema inmunol\u00f3gico debilitado, uso de cat\u00e9teres y orina reciente. procedimientos.<sup>3<\/sup> En los hombres, las infecciones urinarias son menos comunes y a menudo se asocian con hipertrofia prost\u00e1tica, instrumentaci\u00f3n del tracto urinario o inmunosupresi\u00f3n.<sup>4<\/sup><\/p>\n\n    <h3>Enfoque de diagn\u00f3stico<\/h3>\n    <p>El diagn\u00f3stico se basa en la historia cl\u00ednica, an\u00e1lisis de orina y urocultivo, siendo esencial la recolecci\u00f3n adecuada de muestras.<sup>2<\/sup> La presencia de disuria, frecuencia urinaria, urgencia y malestar suprap\u00fabico son s\u00edntomas de presentaci\u00f3n t\u00edpicos.<sup>3<\/sup> La evaluaci\u00f3n de laboratorio generalmente incluye pruebas con tira reactiva para nitritos, esterasa leucocitaria y sangre, con examen microsc\u00f3pico para bacterias y gl\u00f3bulos blancos.<sup>2<\/sup> Un urocultivo que muestra \u22651,000 unidades formadoras de colonias por mililitro en un paciente sintom\u00e1tico generalmente se considera diagn\u00f3stico.<sup>2<\/sup><\/p>\n\n    <h3>Protocolos de tratamiento<\/h3>\n    <p>Las ITU no complicadas generalmente se tratan con antibi\u00f3ticos orales, con una selecci\u00f3n basada en patrones de resistencia local.<sup>5<\/sup> Las terapias de primera l\u00ednea a menudo incluyen nitrofuranto\u00edna, trimetoprima\/sulfametoxazol, fosfomicina o pivmecilinam.<sup>2<\/sup> Para las ITU complicadas o pielonefritis, Es posible que se necesiten antibi\u00f3ticos de espectro m\u00e1s amplio y tratamientos de mayor duraci\u00f3n.<sup>5<\/sup> Las medidas de apoyo incluyen una mayor ingesta de l\u00edquidos y analg\u00e9sicos urinarios para aliviar los s\u00edntomas.<sup>4<\/sup><\/p>\n\n    <h3>Resultados esperados<\/h3>\n    <p>Con una terapia antibi\u00f3tica adecuada, los s\u00edntomas generalmente mejoran dentro de 24 a 48 horas.<sup>3<\/sup> Las infecciones urinarias no complicadas generalmente se resuelven completamente con un ciclo de antibi\u00f3ticos de 3 a 7 d\u00edas.<sup>2<\/sup> Sin embargo, pueden ocurrir infecciones recurrentes en aproximadamente el 20-30% de las mujeres dentro de los 6 meses posteriores a la inicial. infecci\u00f3n.<sup>1<\/sup> Las estrategias preventivas incluyen hidrataci\u00f3n adecuada, pr\u00e1cticas de higiene adecuadas, orinar despu\u00e9s de la actividad sexual y, en algunos casos, antibi\u00f3ticos profil\u00e1cticos.<sup>3<\/sup><\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":58},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Infecci\u00f3n del Tracto Urinario (ITU)<\/title>\n<meta name=\"description\" content=\"Gu\u00eda completa sobre infecciones del tracto urinario que cubre causas, s\u00edntomas, diagn\u00f3stico y opciones de tratamiento basadas en la evidencia m\u00e9dica y...\" \/>\n<meta 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