{"id":32578,"date":"2026-09-14T18:14:00","date_gmt":"2026-09-14T22:14:00","guid":{"rendered":"https:\/\/www.rigicon.com\/?post_type=glossary-term&p=32578"},"modified":"2026-09-15T06:04:00","modified_gmt":"2026-09-15T10:04:00","slug":"stui-sintomas-del-tracto-urinario-inferior","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/es\/glossary-term\/stui-sintomas-del-tracto-urinario-inferior\/","title":{"rendered":"STUI (s\u00edntomas del tracto urinario inferior)"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[111],"glossary-product":[108,107],"class_list":["post-32578","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-urological-disorders","glossary-product-conticlassic-aus","glossary-product-contireflex-enhanced-aus"],"acf":{"gt-definition":"<p>Los s\u00edntomas del tracto urinario inferior (STUI o LUTS) hacen referencia a un grupo de s\u00edntomas cl\u00ednicos que afectan a la vejiga, el esf\u00ednter urinario, la uretra y, en los varones, la pr\u00f3stata.\u00b9 Los STUI abarcan tanto s\u00edntomas de llenado o almacenamiento (irritativos) como de vaciado (obstructivos) que afectan al tracto urinario inferior.\u00b2 Los s\u00edntomas de llenado incluyen aumento de la frecuencia miccional, urgencia miccional, incontinencia de urgencia y nicturia, mientras que los s\u00edntomas de vaciado comprenden chorro d\u00e9bil, vacilaci\u00f3n miccional, goteo terminal, vaciado incompleto y retenci\u00f3n urinaria.\u00b3 Estos s\u00edntomas son frecuentes en personas de edad avanzada, con mayor prevalencia en varones, y pueden repercutir notablemente en la calidad de vida.\u2074 Los STUI pueden deberse a diversas causas, como la hiperplasia benigna de pr\u00f3stata (HBP), la disfunci\u00f3n vesical, las infecciones del tracto urinario, los trastornos neurol\u00f3gicos u otras patolog\u00edas de la v\u00eda urinaria inferior.\u2075<\/p>\n","gt-synonyms":"STUI, LUTS, disfunci\u00f3n del tracto urinario inferior, prostatismo (t\u00e9rmino en desuso en varones), problemas de llenado y vaciado, s\u00edntomas de obstrucci\u00f3n del tracto de salida vesical, disfunci\u00f3n urinaria","gt-citation":"[1] Roehrborn CG. Current Medical Therapies for Men With Lower Urinary Tract Symptoms and Benign Prostatic Hyperplasia: Achievements and Limitations. Rev Urol. 2008;10(1):14-25. DOI: https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2312341\/\n\n[2] Laborde EE, McVary KT. Medical Management of Lower Urinary Tract Symptoms. Rev Urol. 2009;11(Suppl 1):S19-S25. DOI: https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2812890\/\n\n[3] Ng M, Baradhi KM. Benign Prostatic Hyperplasia. StatPearls. 2024. DOI: https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK558920\/\n\n[4] Parsons JK, Bergstrom J, Silberstein J, Barrett-Connor E. Prevalence and characteristics of lower urinary tract symptoms in men aged > or = 80 years. Urology. 2008;72(2):318-321. DOI: 10.1016\/j.urology.2008.03.057\n\n[5] Irwin DE, Kopp ZS, Agatep B, Milsom I, Abrams P. Worldwide prevalence estimates of lower urinary tract symptoms, overactive bladder, urinary incontinence and bladder outlet obstruction. BJU International. 2011;108(7):1132-1138. DOI: 10.1111\/j.1464-410X.2010.09993.x","gt-clinical-context":"<p>Los STUI son muy frecuentes en la pr\u00e1ctica cl\u00ednica, especialmente en poblaciones de edad avanzada. Su prevalencia aumenta con la edad y afecta a aproximadamente el 8 % de los varones de 31 a 40 a\u00f1os, el 50 % de 51 a 60 a\u00f1os, el 70 % de 61 a 70 a\u00f1os y el 90 % de 81 a 90 a\u00f1os.\u00b9<\/p>\n<p>La evaluaci\u00f3n del paciente suele incluir una anamnesis detallada, exploraci\u00f3n f\u00edsica, an\u00e1lisis de orina, valoraci\u00f3n mediante cuestionarios validados como la Escala Internacional de S\u00edntomas Prost\u00e1ticos (IPSS), medici\u00f3n del volumen residual posmiccional y flujometr\u00eda miccional.\u00b2 Otras pruebas diagn\u00f3sticas pueden incluir estudios de presi\u00f3n-flujo, urodin\u00e1mica, ecograf\u00eda renal y cistoscopia en casos seleccionados.\u00b3<\/p>\n<p>Las opciones de tratamiento var\u00edan en funci\u00f3n de la gravedad de los s\u00edntomas, las causas subyacentes y las preferencias del paciente. El abordaje inicial suele consistir en modificaciones del estilo de vida, como la regulaci\u00f3n de la ingesta de l\u00edquidos y la micci\u00f3n pautada. Los tratamientos farmacol\u00f3gicos comprenden:<\/p>\n<ul>\n<li>Bloqueadores de los receptores alfa-adren\u00e9rgicos (alfuzosina, doxazosina, tamsulosina, terazosina) &#8211; proporcionan un r\u00e1pido alivio sintom\u00e1tico al relajar el m\u00fasculo liso de la pr\u00f3stata y del cuello vesical.\u2074<\/li>\n<li>Inhibidores de la 5-alfa reductasa (finasterida, dutasterida) &#8211; reducen el tama\u00f1o de la pr\u00f3stata al inhibir la conversi\u00f3n de testosterona en dihidrotestosterona, siendo m\u00e1s eficaces en varones con pr\u00f3statas m\u00e1s grandes.\u2075<\/li>\n<li>F\u00e1rmacos antimuscar\u00ednicos (tolterodina, oxibutinina) &#8211; \u00fatiles para los s\u00edntomas de llenado, en especial combinados con alfabloqueantes en pacientes con sintomatolog\u00eda mixta.\u2076<\/li>\n<li>Inhibidores de la fosfodiesterasa tipo 5 (PDE-5) &#8211; beneficiosos para pacientes que presentan simult\u00e1neamente STUI y disfunci\u00f3n er\u00e9ctil.\u2077<\/li>\n<li>Terapias combinadas &#8211; alfabloqueantes con inhibidores de la 5-alfa reductasa para varones con riesgo de progresi\u00f3n de la enfermedad; alfabloqueantes con f\u00e1rmacos antimuscar\u00ednicos para s\u00edntomas mixtos de llenado y vaciado.\u2078<\/li>\n<\/ul>\n<p>Las intervenciones quir\u00fargicas se valoran cuando la terapia m\u00e9dica fracasa o est\u00e1 contraindicada; incluyen la resecci\u00f3n transuretral de la pr\u00f3stata (TURP), procedimientos con l\u00e1ser, t\u00e9cnicas quir\u00fargicas m\u00ednimamente invasivas y, en casos graves, la implantaci\u00f3n de un esf\u00ednter urinario artificial (AUS) para la incontinencia.\u2079<\/p>\n","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":true,"gt-view-count":2},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>STUI: S\u00edntomas del tracto urinario inferior y manejo<\/title>\n<meta name=\"description\" content=\"Los s\u00edntomas del tracto urinario inferior (STUI) afectan a la vejiga y la uretra. 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