{"id":32354,"date":"2026-09-01T18:21:00","date_gmt":"2026-09-01T22:21:00","guid":{"rendered":"https:\/\/www.rigicon.com\/?post_type=glossary-term&p=32354"},"modified":"2026-09-02T06:06:00","modified_gmt":"2026-09-02T10:06:00","slug":"resistencia-al-flujo-de-salida-vesical","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/es\/glossary-term\/resistencia-al-flujo-de-salida-vesical\/","title":{"rendered":"Resistencia al flujo de salida vesical"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[109],"glossary-product":[108,107],"class_list":["post-32354","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-diagnostic-phenomena","glossary-product-conticlassic-aus","glossary-product-contireflex-enhanced-aus"],"acf":{"gt-definition":"<p>La resistencia al flujo de salida vesical hace referencia a la resistencia fisiol\u00f3gica o patol\u00f3gica que la vejiga debe vencer para expulsar la orina a trav\u00e9s del tracto urinario. Esta resistencia se produce en el canal del tracto de salida vesical, que se extiende desde el cuello vesical hasta el meato uretral.\u00b9 Durante la micci\u00f3n normal, el m\u00fasculo detrusor se contrae para generar suficiente presi\u00f3n para vencer esta resistencia y permitir el flujo de orina.\u00b2 La resistencia al flujo de salida vesical se puede cuantificar mediante estudios urodin\u00e1micos, en particular el estudio de presi\u00f3n-flujo, que mide la relaci\u00f3n entre la presi\u00f3n del detrusor y la tasa de flujo urinario.\u00b3 La resistencia puede estar aumentada patol\u00f3gicamente en afecciones como la hiperplasia benigna de pr\u00f3stata o la estenosis uretral, o incrementarse terap\u00e9uticamente para tratar la incontinencia urinaria de esfuerzo.\u2074<\/p>\n","gt-synonyms":"Resistencia uretral, Resistencia del tracto de salida vesical, Resistencia de salida uretral, Resistencia del tracto de vaciado, Resistencia vesicouretral","gt-citation":"[1] Dmochowski RR. Bladder Outlet Obstruction: Etiology and Evaluation. Rev Urol. 2005;7(Suppl 6):S3-S13. DOI: https:\/\/doi.org\/10.1016\/j.urology.2005.05.016\n\n[2] Nitti VW. Pressure Flow Urodynamic Studies: The Gold Standard for Diagnosing Bladder Outlet Obstruction. Rev Urol. 2005;7(Suppl 6):S14-S21. DOI: https:\/\/doi.org\/10.1016\/j.urology.2005.03.004\n\n[3] Kranse R, van Mastrigt R. Bladder outlet resistance. J Urol. 2003;169(3):1007-1010. DOI: https:\/\/doi.org\/10.1097\/01.ju.0000052693.58772.23\n\n[4] Schafer W. Analysis of bladder-outlet function with the linearized passive urethral resistance relation, linPURR, and a disease-specific approach for grading obstruction: from complex to simple. World J Urol. 1995;13(1):47-58. DOI: https:\/\/doi.org\/10.1007\/BF00182666\n\n[5] van Dort W, Rosier P, Bosch R. Quantifying bladder outflow obstruction in men: A systematic review and meta-analysis of pressure-flow criteria. Neurourol Urodyn. 2023;42(1):20-31. DOI: https:\/\/doi.org\/10.1002\/nau.25270","gt-clinical-context":"<p>La resistencia al flujo de salida vesical es un par\u00e1metro cr\u00edtico en la evaluaci\u00f3n urol\u00f3gica y la planificaci\u00f3n terap\u00e9utica. En la pr\u00e1ctica cl\u00ednica, la evaluaci\u00f3n de la resistencia al flujo de salida vesical es esencial para diagnosticar la obstrucci\u00f3n del tracto de salida vesical (BOO) y determinar las intervenciones terap\u00e9uticas adecuadas.\u00b9<\/p>\n<p>El aumento patol\u00f3gico de la resistencia puede deberse a causas anat\u00f3micas como la hiperplasia benigna de pr\u00f3stata, el c\u00e1ncer de pr\u00f3stata o la estenosis uretral en varones, y al prolapso de \u00f3rganos p\u00e9lvicos o complicaciones posquir\u00fargicas en mujeres.\u00b2 Tambi\u00e9n puede originarse por causas funcionales, incluidas la disinergia detrusor-esf\u00ednter, la obstrucci\u00f3n primaria del cuello vesical o la micci\u00f3n disfuncional.\u00b9 Los pacientes con una mayor resistencia al flujo de salida vesical suelen presentar s\u00edntomas del tracto urinario inferior (STUI), como vacilaci\u00f3n, chorro d\u00e9bil, intermitencia y sensaci\u00f3n de vaciado incompleto.\u00b3<\/p>\n<p>Por el contrario, aumentar terap\u00e9uticamente la resistencia al flujo de salida vesical es un objetivo de tratamiento para la incontinencia urinaria de esfuerzo, que puede derivar de una deficiencia esfinteriana intr\u00ednseca.\u2074 Esto se puede lograr mediante intervenciones farmacol\u00f3gicas como los agonistas alfa-adren\u00e9rgicos, que contraen el esf\u00ednter uretral interno, o intervenciones quir\u00fargicas que incluyen esf\u00ednteres urinarios artificiales y procedimientos de cabestrillo.\u2075<\/p>\n<p>Los estudios urodin\u00e1micos, en particular el an\u00e1lisis de presi\u00f3n-flujo, contin\u00faan siendo el m\u00e9todo de referencia para cuantificar la resistencia al flujo de salida vesical. Se utilizan diversos nomogramas e \u00edndices, como el \u00edndice de obstrucci\u00f3n del tracto de salida vesical (BOOI) y el nomograma de la International Continence Society (ICS), para clasificar a los pacientes y orientar las decisiones terap\u00e9uticas.\u00b3<\/p>\n","gt-related-evidence":null,"gt-featured":false,"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>Resistencia al flujo de salida vesical: causas y estudio<\/title>\n<meta name=\"description\" content=\"La resistencia al flujo de salida vesical es la fuerza que se opone a la micci\u00f3n, evaluable mediante urodin\u00e1mica y clave en trastornos urinarios.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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