{"id":12061,"date":"2025-07-31T10:49:47","date_gmt":"2025-07-31T14:49:47","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/meatal-stenosis\/"},"modified":"2025-07-31T10:49:47","modified_gmt":"2025-07-31T14:49:47","slug":"estenosis-del-meato","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/es\/glossary-term\/estenosis-del-meato\/","title":{"rendered":"Estenosis del Meato"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[126],"glossary-product":[],"class_list":["post-12061","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-urological-conditions"],"acf":{"gt-definition":"<p>\n        La estenosis del meato es una afecci\u00f3n urol\u00f3gica caracterizada por un estrechamiento anormal de la abertura uretral (meato) en la punta del pene, lo que restringe el flujo de orina.<sup>1<\/sup> Esta anomal\u00eda estructural puede ser cong\u00e9nita (presente al nacer), pero se adquiere m\u00e1s com\u00fanmente, particularmente como una complicaci\u00f3n despu\u00e9s de la circuncisi\u00f3n.<sup>2<\/sup> El t\u00e9rmino \"estenosis\" se refiere al estrechamiento patol\u00f3gico de un pasaje en el cuerpo, en este caso afectando el meato uretral externo.<sup>3<\/sup> Este estrechamiento crea una mayor resistencia al flujo de orina, lo que lleva a una din\u00e1mica alterada del flujo urinario y s\u00edntomas asociados. La estenosis del meato ocurre en aproximadamente entre el 8% y el 10% de los hombres en todo el mundo, con una prevalencia significativamente mayor en personas circuncidadas que en personas no circuncidadas.<sup>4<\/sup> La afecci\u00f3n generalmente se desarrolla entre los 3 y los 7 a\u00f1os cuando se adquiere, aunque puede afectar a personas de cualquier edad.<sup>5<\/sup> La fisiopatolog\u00eda implica inflamaci\u00f3n y posterior cicatrizaci\u00f3n del tejido del meato, a menudo provocada por la exposici\u00f3n a irritantes, traumatismo o cambios isqu\u00e9micos en la uretra distal.<sup>6<\/sup>\n    <\/p>","gt-synonyms":"Estenosis del meato uretral, estenosis meatal, Estenosis uretral externa, Obstrucci\u00f3n de la salida uretral, meato preciso","gt-citation":"[1] Van Howe RS. Incidence of meatal stenosis following neonatal circumcision in a primary care setting. Clin Pediatr (Phila). 2006;45(1):49\u201354. DOI: 10.1177\/000992280604500108\n\n[2] Morris BJ, Krieger JN. Does Circumcision Increase Meatal Stenosis Risk?-A Systematic Review and Meta-analysis. Urology. 2017 Dec;110:16-26. DOI: 10.1016\/j.urology.2017.07.027\n\n[3] Wang MH. Surgical Management of Meatal Stenosis with Meatoplasty. J Vis Exp. 2010 Nov 30;(45):2213. DOI: 10.3791\/2213\n\n[4] Persad R, Sharma S, McTavish J. Clinical presentation and pathophysiology of meatal stenosis following circumcision. Br J Urol. 1995;75(1):91\u201393. DOI: 10.1111\/j.1464-410x.1995.tb07242.x\n\n[5] Abid AF, Hussein NS. Meatal stenosis posttraditional neonatal circumcision-cross-sectional study. Urol Ann. 2021 Jan-Mar;13(1):62-66. DOI: 10.4103\/UA.UA_30_20\n\n[6] Tiryaki S, Issi Y. The association of meatal stenosis and infant circumcision. Turk J Pediatr. 2023;65(4):661-666. DOI: 10.24953\/turkjped.2023.46","gt-clinical-context":"<p>\n        La estenosis del meato se encuentra principalmente en la pr\u00e1ctica de urolog\u00eda pedi\u00e1trica, aunque puede afectar a hombres de cualquier edad. La afecci\u00f3n se diagnostica con mayor frecuencia en hombres circuncidados, y los estudios indican que es poco com\u00fan en personas no circuncidadas.<sup>1<\/sup> Los criterios de selecci\u00f3n de pacientes para la intervenci\u00f3n generalmente incluyen la presentaci\u00f3n sintom\u00e1tica en lugar de hallazgos anat\u00f3micos \u00fanicamente, ya que existen variaciones naturales en el ancho del meato.<sup>2<\/sup>\n    <\/p>\n    <p>\n        La etiolog\u00eda m\u00e1s com\u00fan en pacientes pedi\u00e1tricos es la inflamaci\u00f3n poscircuncisi\u00f3n, donde el glande y el meato reci\u00e9n expuestos se irritan por el contacto del pa\u00f1al o por la exposici\u00f3n al amon\u00edaco y a los cristales de \u00e1cido \u00farico en la orina.<sup>3<\/sup> En adultos, la estenosis del meato puede deberse a instrumentaci\u00f3n uretral, cateterismo a largo plazo, liquen escleroso u otras afecciones inflamatorias que afectan el segmento distal. uretra.<sup>4<\/sup>\n    <\/p>\n    <p>\n        La presentaci\u00f3n cl\u00ednica t\u00edpicamente incluye un chorro urinario desviado hacia arriba, dif\u00edcil de dirigir, disuria (dolor al orinar), frecuencia urinaria, urgencia y ocasionalmente hematuria terminal (sangre al final de la micci\u00f3n).<sup>5<\/sup> El examen f\u00edsico revela una abertura del meato puntiforme o estrechada, y la observaci\u00f3n de la micci\u00f3n a menudo demuestra un chorro fino, a veces contundente, con vejiga incompleta. vaciando.<sup>6<\/sup>\n    <\/p>\n    <p>\n        La evaluaci\u00f3n diagn\u00f3stica es principalmente cl\u00ednica, aunque se pueden realizar an\u00e1lisis de orina para descartar infecci\u00f3n. En casos con una presentaci\u00f3n m\u00e1s compleja, pueden estar indicados estudios adicionales como uroflujometr\u00eda o ecograf\u00eda para evaluar complicaciones del tracto urinario superior.<sup>2<\/sup>\n    <\/p>\n    <p>\n        Las opciones de tratamiento incluyen:\n    <\/p>\n    <p>\n        1. Meatotom\u00eda\/meatoplastia quir\u00fargica: la base del tratamiento, que implica la ampliaci\u00f3n quir\u00fargica de la abertura del meato. Este procedimiento ambulatorio tiene una alta tasa de \u00e9xito con baja recurrencia.<sup>3<\/sup>\n    <\/p>\n    <p>\n        2. Terapia con corticosteroides t\u00f3picos: en casos m\u00e1s leves, la aplicaci\u00f3n de una crema con esteroides en el meato dos veces al d\u00eda durante hasta tres meses puede proporcionar suficiente alivio.<sup>4<\/sup>\n    <\/p>\n    <p>\n        3. Dilataci\u00f3n del meato: se emplea con menos frecuencia debido al riesgo de cicatrizaci\u00f3n y menores tasas de \u00e9xito en comparaci\u00f3n con los abordajes quir\u00fargicos.<sup>5<\/sup>\n    <\/p>\n    <p>\n        Los resultados esperados despu\u00e9s de una intervenci\u00f3n adecuada son excelentes, y la mayor\u00eda de los pacientes experimentan una resoluci\u00f3n completa de los s\u00edntomas y una funci\u00f3n urinaria normal.<sup>6<\/sup> Sin tratamiento, las posibles complicaciones incluyen infecciones del tracto urinario, vaciado incompleto de la vejiga y, en raras ocasiones, da\u00f1o del tracto urinario superior debido a una obstrucci\u00f3n cr\u00f3nica.<sup>1<\/sup>\n    <\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":76},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Estenosis del 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