{"id":12031,"date":"2025-07-21T07:59:24","date_gmt":"2025-07-21T11:59:24","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/urinary-flow-rate\/"},"modified":"2026-10-06T18:04:24","modified_gmt":"2026-10-06T22:04:24","slug":"tasa-de-flujo-urinario-uroflujometria","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/es\/glossary-term\/tasa-de-flujo-urinario-uroflujometria\/","title":{"rendered":"Tasa de Flujo Urinario (Uroflujometr\u00eda)"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[109],"glossary-product":[],"class_list":["post-12031","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-diagnostic-phenomena"],"acf":{"gt-definition":"<p>La tasa de flujo urinario es una medici\u00f3n cuantitativa del volumen de orina expulsado desde la vejiga a trav\u00e9s de la uretra por unidad de tiempo, que suele expresarse en mililitros por segundo (ml\/s).<sup>1<\/sup> Es un par\u00e1metro clave que se eval\u00faa durante la uroflujometr\u00eda, una prueba urodin\u00e1mica no invasiva que valora la funci\u00f3n de las v\u00edas urinarias inferiores.<sup>2<\/sup> La medici\u00f3n aporta informaci\u00f3n fundamental sobre la fuerza del m\u00fasculo vesical, la resistencia uretral y la coordinaci\u00f3n entre la contracci\u00f3n vesical y la relajaci\u00f3n uretral.<sup>3<\/sup> El flujo m\u00e1ximo (Qmax) y el flujo medio (Qavg) son los principales par\u00e1metros que se registran, y el Qmax tiene especial relevancia en el diagn\u00f3stico de diversas afecciones urol\u00f3gicas.<sup>4<\/sup> Una disminuci\u00f3n del flujo puede indicar obstrucci\u00f3n del tracto de salida vesical, debilidad de la funci\u00f3n del m\u00fasculo detrusor o trastornos neurol\u00f3gicos que afectan a la micci\u00f3n.<sup>5<\/sup><\/p>","gt-synonyms":"Tasa de flujo de orina, uroflujo, medici\u00f3n de uroflujometr\u00eda, Qmax (caudal m\u00e1ximo), Qavg (caudal promedio), caudal de evacuaci\u00f3n","gt-citation":"[1] Kumar V, Dhabalia JV, Nelivigi GG, Punia MS, Suryavanshi M. Age, gender, and voided volume dependency of peak urinary flow rate and uroflowmetry nomogram in the Indian population. Indian J Urol. 2009 Oct-Dec;25(4):461-466. DOI: 10.4103\/0970-1591.57912\n\n[2] Yao M, Simoes A. Urodynamic Testing and Interpretation. [Updated 2023 Aug 14]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023. Available from: https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK562310\/\n\n[3] National Institute of Diabetes and Digestive and Kidney Diseases. Urodynamic Testing. [Internet]. 2021 Sep. Available from: https:\/\/www.niddk.nih.gov\/health-information\/diagnostic-tests\/urodynamic-testing\n\n[4] Cleveland Clinic. Urodynamic Testing: Purpose, Procedure, Risks & Results. [Internet]. Available from: https:\/\/my.clevelandclinic.org\/health\/diagnostics\/15684-urodynamic-testing\n\n[5] Abrams P. Urodynamics. 3rd ed. London: Springer-Verlag; 2006.","gt-clinical-context":"<p>La medici\u00f3n de la tasa de flujo urinario es un componente fundamental de las pruebas urodin\u00e1micas que se utilizan para evaluar a los pacientes con s\u00edntomas del tracto urinario inferior (STUI).<sup>1<\/sup> Las indicaciones cl\u00ednicas para medir la tasa de flujo urinario incluyen la incontinencia urinaria, la micci\u00f3n frecuente, el dolor al orinar, la necesidad repentina de orinar, la dificultad para iniciar la micci\u00f3n, los problemas para vaciar completamente la vejiga y las infecciones urinarias recurrentes.<sup>3<\/sup><\/p>\n    \n    <p>El procedimiento suele realizarse con un urofluj\u00f3metro especializado que genera un gr\u00e1fico con los cambios de la tasa de flujo durante la micci\u00f3n.<sup>3<\/sup> Para obtener resultados precisos, los pacientes deben tener la vejiga c\u00f3modamente llena (idealmente con un volumen de al menos 150-200 ml) y orinar en su posici\u00f3n preferida.<sup>2<\/sup> La prueba suele combinarse con la medici\u00f3n del residuo posmiccional para valorar la eficacia del vaciado vesical.<sup>4<\/sup><\/p>\n    \n    <p>Los flujos m\u00e1ximos normales var\u00edan seg\u00fan la edad, el sexo y el volumen miccional. En un estudio en adultos sanos de la India, en los hombres de 16 a 50 a\u00f1os el flujo m\u00e1ximo medio es de aproximadamente 22,5 \u00b1 9,2 ml\/s, mientras que en los hombres mayores de 50 a\u00f1os disminuye a aproximadamente 17 \u00b1 7,16 ml\/s.<sup>1<\/sup> En las mujeres, los flujos suelen ser m\u00e1s altos que en los hombres del mismo grupo de edad.<sup>1<\/sup> Los flujos suelen aumentar con el volumen miccional hasta unos 700 ml, a partir de los cuales se estabilizan y disminuyen.<sup>1<\/sup><\/p>\n    \n    <p>Una disminuci\u00f3n del flujo puede indicar obstrucci\u00f3n del tracto de salida vesical (por ejemplo, por agrandamiento de la pr\u00f3stata en los hombres), hipoactividad del detrusor o disfunci\u00f3n vesical neur\u00f3gena.<sup>2<\/sup> La medici\u00f3n de la tasa de flujo urinario suele utilizarse junto con otras pruebas urodin\u00e1micas, como la cistometr\u00eda y los estudios de presi\u00f3n-flujo, para una evaluaci\u00f3n completa de la funci\u00f3n de las v\u00edas urinarias inferiores.<sup>5<\/sup><\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":235},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Tasa de Flujo Urinario (Uroflujometr\u00eda)<\/title>\n<meta name=\"description\" content=\"La tasa de flujo urinario (uroflujometr\u00eda) mide la cantidad de orina expulsada por segundo para evaluar obstrucciones urinarias y la funci\u00f3n vesical.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rigicon.com\/es\/glossary-term\/tasa-de-flujo-urinario-uroflujometria\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tasa de Flujo Urinario 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