{"id":12043,"date":"2025-08-14T10:17:29","date_gmt":"2025-08-14T14:17:29","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/macroplastique\/"},"modified":"2026-10-06T18:04:24","modified_gmt":"2026-10-06T22:04:24","slug":"macroplastique","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/es\/glossary-term\/macroplastique\/","title":{"rendered":"Macroplastique"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[123],"glossary-product":[],"class_list":["post-12043","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-urinary-incontinence-treatments"],"acf":{"gt-definition":"<p>Macroplastique es un agente de relleno uretral inyectable, apir\u00f3geno y de implantaci\u00f3n permanente, compuesto por part\u00edculas de polidimetilsiloxano (elast\u00f3mero de silicona) suspendidas en un gel portador de polivinilpirrolidona (PVP)<sup>1<\/sup>. Este tratamiento m\u00ednimamente invasivo se utiliza principalmente para la incontinencia urinaria de esfuerzo (IUE) debida a deficiencia esfinteriana intr\u00ednseca (DEI)<sup>2<\/sup>. El portador de PVP es hidrosoluble y se absorbe y elimina del organismo por la orina, mientras que las part\u00edculas de polidimetilsiloxano entrecruzado permanecen de forma permanente en su lugar<sup>3<\/sup>. Cuando se inyecta en la submucosa uretral, Macroplastique aumenta el volumen tisular alrededor de la uretra, lo que se traduce en una mayor presi\u00f3n de cierre uretral y en una menor p\u00e9rdida de orina durante las actividades f\u00edsicas<sup>4<\/sup>. Los implantes de elast\u00f3mero, de gran tama\u00f1o y superficie muy texturizada, favorecen el crecimiento tisular hacia su interior y forman un bolo rodeado e infiltrado por col\u00e1geno del hu\u00e9sped que lo ancla en el espacio entre la l\u00e1mina propia y la capa muscular uretral<sup>5<\/sup>.<\/p>","gt-synonyms":"Inyecci\u00f3n de polidimetilsiloxano, Agente de carga uretral PDMS, microimplantes de silicona, MPQ","gt-citation":"[1] Ghoniem GM, Miller CJ. A systematic review and meta-analysis of Macroplastique for treating female stress urinary incontinence. Int Urogynecol J. 2012 Jun;24(1):27-36. DOI: 10.1007\/s00192-012-1825-9\n\n[2] Herforth C, Zimmern PE. Macroplastique\u00ae for stress urinary incontinence lights up as a PET-avid urethral lesion: A case report. Case Rep Womens Health. 2024 Sep;43:e00649. DOI: 10.1016\/j.crwh.2024.e00649\n\n[3] Ghoniem G, Farhan B, Chowdhury ML, Chen Y. Safety and efficacy of polydimethylsiloxane (Macroplastique\u00ae) in women with stress urinary incontinence: analysis of data from patients who completed three years follow-up. Int Urogynecol J. 2021 Oct;32(10):2835-2840. DOI: 10.1007\/s00192-021-04827-6. PMID: 34100973\n\n[4] U.S. Food and Drug Administration. Summary of Safety and Effectiveness Data: Macroplastique\u00ae Implants. PMA Number: P040050. October 30, 2006. https:\/\/www.accessdata.fda.gov\/cdrh_docs\/pdf4\/p040050b.pdf\n\n[5] Serati M, Braga A, Caccia G, et al. Does the Polydimethylsiloxane Urethral Injection (Macroplastique\u00ae) Improve Sexual Function in Women with Stress Urinary Incontinence? A Prospective Study. Medicina. 2023;59(3):580. DOI: 10.3390\/medicina59030580","gt-clinical-context":"<p>Macroplastique est\u00e1 cl\u00ednicamente indicado para su inyecci\u00f3n transuretral en el tratamiento de mujeres adultas diagnosticadas de incontinencia urinaria de esfuerzo (IUE) debida principalmente a deficiencia esfinteriana intr\u00ednseca (DEI)<sup>1<\/sup>. Los criterios de selecci\u00f3n de pacientes suelen incluir a mujeres con IUE en las que han fracasado los tratamientos conservadores o que prefieren una opci\u00f3n m\u00ednimamente invasiva frente a procedimientos quir\u00fargicos m\u00e1s amplios<sup>2<\/sup>. Resulta especialmente adecuado para pacientes de edad avanzada y para las que presentan un mayor riesgo de complicaciones anest\u00e9sicas<sup>3<\/sup>.<\/p>\n    \n    <p>El procedimiento se realiza con anestesia local de forma ambulatoria<sup>4<\/sup>. Antes del procedimiento, las pacientes reciben antibi\u00f3ticos para reducir el riesgo de infecci\u00f3n. La inyecci\u00f3n se realiza bajo visi\u00f3n cistosc\u00f3pica, inyectando Macroplastique en la submucosa uretral hasta lograr la coaptaci\u00f3n uretral<sup>5<\/sup>. El procedimiento suele durar menos de 30 minutos, y la mayor\u00eda de las pacientes pueden volver a casa el mismo d\u00eda.<\/p>\n    \n    <p>Los estudios cl\u00ednicos han demostrado tasas de mejor\u00eda del 75% a corto plazo (&lt;6 meses), del 73% a medio plazo (6-18 meses) y del 64% a largo plazo (&gt;18 meses)<sup>1<\/sup>. Las tasas de curaci\u00f3n completa o de ausencia de p\u00e9rdidas fueron del 43%, el 37% y el 36% en esos mismos periodos de seguimiento, respectivamente<sup>1<\/sup>. Algunas pacientes necesitan una nueva inyecci\u00f3n para obtener resultados \u00f3ptimos, y las tasas m\u00e1s altas de reinyecci\u00f3n se asocian a mejores resultados a largo plazo<sup>1<\/sup>. Seg\u00fan el fabricante, Macroplastique se ha utilizado en m\u00e1s de 70.000 pacientes desde 1991, y los estudios publicados describen una baja tasa de efectos secundarios<sup>4<\/sup>.<\/p>\n    \n    <p>Las contraindicaciones incluyen la inflamaci\u00f3n o infecci\u00f3n aguda del tracto urogenital y una mucosa uretral fr\u00e1gil (por ejemplo, tras radioterapia o tras una cirug\u00eda del cuello vesical)<sup>5<\/sup>.<\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":174},"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>Macroplastique: Polydimethylsiloxane Urethral Bulking Agent<\/title>\n<meta name=\"description\" content=\"Macroplastique es un agente de relleno periuretral permanente de silicona, empleado para tratar la incontinencia urinaria de esfuerzo.\" \/>\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\/macroplastique\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Macroplastique - 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