{"id":12862,"date":"2025-08-14T10:17:29","date_gmt":"2025-08-14T14:17:29","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/macroplastique\/"},"modified":"2026-03-22T06:35:57","modified_gmt":"2026-03-22T10:35:57","slug":"macroplastique","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/pt-br\/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-12862","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-urinary-incontinence-treatments"],"acf":{"gt-definition":"<p>Macroplastia \u00e9 um agente de volume uretral injet\u00e1vel, apirog\u00eanico, permanentemente implantado, composto de part\u00edculas de polidimetilsiloxano (elast\u00f4mero de silicone) suspensas em um gel transportador de polivinilpirrolidona (PVP)<sup>1<\/sup>. Este tratamento minimamente invasivo \u00e9 usado principalmente para incontin\u00eancia urin\u00e1ria de esfor\u00e7o (IUE) devido \u00e0 defici\u00eancia intr\u00ednseca do esf\u00edncter (ISD)<sup>2<\/sup>. O transportador PVP \u00e9 sol\u00favel em \u00e1gua e \u00e9 absorvido e removido do corpo na urina, enquanto as part\u00edculas reticuladas de polidimetilsiloxano permanecem permanentemente no lugar<sup>3<\/sup>. Quando injetado na submucosa uretral, o Macroplastique cria um aumento no volume de tecido ao redor da uretra, resultando em maior press\u00e3o de fechamento uretral e redu\u00e7\u00e3o de perdas urin\u00e1rias durante atividades f\u00edsicas<sup>4<\/sup>. Os implantes de elast\u00f4mero grandes e de textura pesada promovem o crescimento do tecido, criando um bolo cercado e infiltrado pelo col\u00e1geno hospedeiro que o ancora no espa\u00e7o entre a l\u00e2mina pr\u00f3pria e a muscular da uretra<sup>5<\/sup>.<\/p>\n<p>O Macroplastique \u00e9 um agente de preenchimento uretral composto por part\u00edculas de polidimetilsiloxano (silicone) vulcanizado suspensas em gel biocompat\u00edvel. \u00c9 utilizado para inje\u00e7\u00e3o periuretral no tratamento da incontin\u00eancia urin\u00e1ria de esfor\u00e7o, promovendo coapta\u00e7\u00e3o uretral atrav\u00e9s do preenchimento do tecido periuretral. As micropart\u00edculas de silicone s\u00e3o est\u00e1veis e n\u00e3o migrat\u00f3rias, proporcionando efeito duradouro.<\/p>","gt-synonyms":"Inje\u00e7\u00e3o de polidimetilsiloxano, agente de volume uretral PDMS, microimplantes de silicone, 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, Bernhard P, Corcos J, et al. Analysis of data from patients who completed three years of Macroplastique\u00ae treatment for female stress urinary incontinence. Int Urogynecol J. 2021 Oct;32(10):2683-2689. DOI: 10.1007\/s00192-021-04764-4\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>Macroplastia \u00e9 clinicamente indicado para inje\u00e7\u00e3o transuretral no tratamento de mulheres adultas com diagn\u00f3stico de incontin\u00eancia urin\u00e1ria de esfor\u00e7o (IUE), principalmente devido \u00e0 defici\u00eancia intr\u00ednseca do esf\u00edncter (ISD)<sup>1<\/sup>. Os crit\u00e9rios de sele\u00e7\u00e3o de pacientes geralmente incluem mulheres com IUE que falharam nos tratamentos conservadores ou preferem uma op\u00e7\u00e3o minimamente invasiva em vez de procedimentos cir\u00fargicos mais extensos<sup>2<\/sup>. \u00c9 particularmente adequado para pacientes idosos e aqueles com maior risco de complica\u00e7\u00f5es anest\u00e9sicas<sup>3<\/sup>.<\/p>\n \n <p>O procedimento \u00e9 realizado sob anestesia local em ambiente ambulatorial<sup>4<\/sup>. Antes do procedimento, os pacientes recebem antibi\u00f3ticos para reduzir o risco de infec\u00e7\u00e3o. A inje\u00e7\u00e3o \u00e9 realizada sob visualiza\u00e7\u00e3o cistosc\u00f3pica, com Macroplastique injetado na submucosa uretral aproximadamente 1,5 a 2 cm distal ao colo da bexiga at\u00e9 que a coapta\u00e7\u00e3o uretral seja alcan\u00e7ada<sup>5<\/sup>. O procedimento normalmente leva menos de 30 minutos, e a maioria dos pacientes pode voltar para casa no mesmo dia.<\/p>\n \n <p>Estudos cl\u00ednicos demonstraram taxas de melhora de 75% em curto prazo (<6 meses), 73% em m\u00e9dio prazo (6-18 meses) e 64% em longo prazo (>18 meses)<sup>1<\/sup>. As taxas de cura completa ou secura foram relatadas como 43%, 37% e 36% durante os mesmos respectivos per\u00edodos de acompanhamento<sup>1<\/sup>. Alguns pacientes necessitam de reinje\u00e7\u00e3o para obter resultados ideais, com taxas de reinje\u00e7\u00e3o mais altas associadas a melhores resultados em longo prazo<sup>1<\/sup>. Macroplastique foi usado com seguran\u00e7a e efic\u00e1cia em mais de 70.000 pacientes desde 1991, com uma baixa taxa de efeitos colaterais<sup>4<\/sup>.<\/p>\n \n <p>As contra-indica\u00e7\u00f5es incluem inflama\u00e7\u00e3o ou infec\u00e7\u00e3o aguda do trato urogenital e revestimento fr\u00e1gil da mucosa uretral (por exemplo, p\u00f3s-radioterapia, p\u00f3s-cirurgia no colo da bexiga)<sup>5<\/sup>.<\/p>\n<p>O procedimento \u00e9 realizado ambulatorialmente sob anestesia local com orienta\u00e7\u00e3o cistosc\u00f3pica, utilizando dispositivo de inje\u00e7\u00e3o dedicado (Macroplastique Implantation Device - MID). Estudos demonstram melhora em 60-75% dos pacientes em 12 meses. \u00c9 indicado para pacientes com incontin\u00eancia leve a moderada que preferem tratamento minimamente invasivo. A EAU classifica os agentes de preenchimento como op\u00e7\u00e3o quando tratamentos conservadores falham e antes de cirurgias mais invasivas.<\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":64},"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>Macroplastique: Tratamento da Incontin\u00eancia Urin\u00e1ria | Rigicon<\/title>\n<meta name=\"description\" content=\"Saiba sobre Macroplastique, agente de preenchimento de silicone para inje\u00e7\u00e3o periuretral no tratamento da incontin\u00eancia de esfor\u00e7o. 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