{"id":12859,"date":"2025-08-12T10:34:43","date_gmt":"2025-08-12T14:34:43","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/periurethral-injection\/"},"modified":"2025-08-12T10:34:43","modified_gmt":"2025-08-12T14:34:43","slug":"injecao-periuretral","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/injecao-periuretral\/","title":{"rendered":"Inje\u00e7\u00e3o Periuretral"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[123],"glossary-product":[108,107],"class_list":["post-12859","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-urinary-incontinence-treatments","glossary-product-conticlassic-aus","glossary-product-contireflex-enhanced-aus"],"acf":{"gt-definition":"<p>A inje\u00e7\u00e3o periuretral \u00e9 um procedimento cir\u00fargico minimamente invasivo que envolve a inje\u00e7\u00e3o de agentes de volume ao redor da uretra para tratar a incontin\u00eancia urin\u00e1ria, particularmente a incontin\u00eancia urin\u00e1ria de esfor\u00e7o.<sup>1<\/sup> O procedimento funciona inflando artificialmente os tecidos submucosos do colo da bexiga e da uretra, aumentando a resist\u00eancia uretral ao fluxo urin\u00e1rio.<sup>2<\/sup> Essas inje\u00e7\u00f5es comprimem, sustentam ou estreitam o colo da bexiga, melhorando a coapta\u00e7\u00e3o uretral e restaurando o mecanismo de veda\u00e7\u00e3o da mucosa da contin\u00eancia.<sup>1,3<\/sup> V\u00e1rios compostos injet\u00e1veis \u200b\u200bforam desenvolvidos para esse fim, incluindo materiais sint\u00e9ticos (como hidrogel de poliacrilamida, hidroxilapatita de c\u00e1lcio e polidimetilsiloxano), col\u00e1geno bovino e subst\u00e2ncias aut\u00f3logas.<sup>2<\/sup> O procedimento pode ser realizado usando t\u00e9cnicas de inje\u00e7\u00e3o transuretral ou periuretral, muitas vezes como uma procedimento ambulatorial sob anestesia local.<sup>1<\/sup><\/p>\n<p>A inje\u00e7\u00e3o periuretral \u00e9 um procedimento minimamente invasivo para tratamento da incontin\u00eancia urin\u00e1ria de esfor\u00e7o, em que agentes de preenchimento s\u00e3o injetados ao redor da uretra para melhorar a coapta\u00e7\u00e3o uretral. O procedimento \u00e9 realizado sob anestesia local, guiado por cistoscopia, com inje\u00e7\u00e3o em 2-4 pontos ao redor da uretra proximal. Os agentes incluem Bulkamid (poliacrilamida), Macroplastique (silicone) e Durasphere (carbono).<\/p>","gt-synonyms":"Aumento de volume uretral, Aumento de volume periuretral, Terapia de inje\u00e7\u00e3o transuretral, Agentes de volume injet\u00e1veis \u200b\u200bpara incontin\u00eancia, Terapia de inje\u00e7\u00e3o uretral","gt-citation":"[1] Benshushan A, Brzezinski A, Shoshani O, Rojansky N. Periurethral injection for the treatment of urinary incontinence. Obstet Gynecol Surv. 1998 Jun;53(6):383-8. DOI: 10.1097\/00006254-199806000-00024\n\n[2] Gill BC. Injectable Bulking Agents for Incontinence. Medscape. Updated Oct 31, 2023. Available at: https:\/\/emedscape.com\/article\/447068-overview\n\n[3] Kirchin V, Page T, Keegan PE, Atiemo KO, Cody JD, McClinton S, Aluko P. Urethral injection therapy for urinary incontinence in women. Cochrane Database Syst Rev. 2017 Jul 25;7(7):CD003881. DOI: 10.1002\/14651858.CD003881.pub4\n\n[4] Schi\u00f8tz HA. Periurethral injection therapy in women with stress incontinence. Tidsskr Nor Legeforen. 2019 Jan 24;139(2). DOI: 10.4045\/tidsskr.18.0185","gt-clinical-context":"<p>A inje\u00e7\u00e3o periuretral \u00e9 usada principalmente no tratamento da incontin\u00eancia urin\u00e1ria de esfor\u00e7o, particularmente em casos de defici\u00eancia intr\u00ednseca do esf\u00edncter.<sup>1,3<\/sup> Os candidatos mais adequados para este procedimento incluem mulheres idosas, pacientes que constituem alto risco operat\u00f3rio e aqueles com incontin\u00eancia de esfor\u00e7o devido \u00e0 falha intr\u00ednseca do esf\u00edncter.<sup>1<\/sup> Al\u00e9m disso, pacientes com incontin\u00eancia de esfor\u00e7o devido a uma combina\u00e7\u00e3o de hipermobilidade uretral e incontin\u00eancia intr\u00ednseca defici\u00eancia esfincteriana com falha no procedimento de suspens\u00e3o tamb\u00e9m pode se beneficiar do procedimento.<sup>1<\/sup><\/p>\n \n <p>O procedimento oferece uma alternativa ao principal m\u00e9todo atual para tratamento cir\u00fargico da incontin\u00eancia de esfor\u00e7o em mulheres, que \u00e9 uma tipoia de polipropileno colocada sem tens\u00e3o abaixo do meio da uretra.<sup>4<\/sup> A inje\u00e7\u00e3o periuretral \u00e9 considerada quando o m\u00e9todo principal n\u00e3o \u00e9 adequado ou desejado.<sup>4<\/sup> A experi\u00eancia cl\u00ednica mostrou que pode ser adequada para graus mais leves de vazamento, em mulheres com baixa press\u00e3o de fechamento uretral (uretral incompet\u00eancia) e em mulheres com baixo fluxo urin\u00e1rio e\/ou esvaziamento incompleto da bexiga.<sup>4<\/sup> Tamb\u00e9m demonstrou produzir bons resultados em mulheres idosas e em mulheres que foram submetidas a radioterapia.<sup>4<\/sup><\/p>\n \n <p>As taxas de sucesso relatadas em longo prazo (mais de 24 meses) variam de acordo com as subst\u00e2ncias utilizadas.<sup>1<\/sup> Por exemplo, estudos sobre hidrogel de poliacrilamida descobriram que 45\u201386% dos pacientes s\u00e3o definidos como \u201crespondedores\u201d (definidos como continentes ou com mais de 50% de melhora, alternativamente \u201csatisfeitos\u201d) e 24\u201343% tornaram-se totalmente continentes com acompanhamento de at\u00e9 tr\u00eas anos.<sup>4<\/sup><\/p>\n \n <p>A inje\u00e7\u00e3o periuretral \u00e9 geralmente considerada um m\u00e9todo mais suave e com menor risco de complica\u00e7\u00f5es do que a fita vaginal sem tens\u00e3o.<sup>4<\/sup> Em contraste com a fita vaginal sem tens\u00e3o, a terapia com inje\u00e7\u00e3o n\u00e3o resulta em qualquer obstru\u00e7\u00e3o not\u00e1vel, o que significa que h\u00e1 menos risco de problemas de mic\u00e7\u00e3o da bexiga no p\u00f3s-operat\u00f3rio.<sup>3<\/sup> O procedimento \u00e9 mais r\u00e1pido e simples de realizar, e o per\u00edodo de recupera\u00e7\u00e3o \u00e9 curto, raramente exigindo mais de um ou dois dias de doen\u00e7a sair.<sup>4<\/sup><\/p>\n<p>A EAU classifica a inje\u00e7\u00e3o periuretral como op\u00e7\u00e3o minimamente invasiva para pacientes com incontin\u00eancia leve a moderada por defici\u00eancia esfincteriana intr\u00ednseca. A taxa de melhora \u00e9 de 60-80%, com necessidade frequente de reinje\u00e7\u00f5es. \u00c9 especialmente \u00fatil em pacientes idosos ou com comorbidades que contraindicam cirurgias mais invasivas. As vantagens incluem ambulatorialidade, baixo risco e possibilidade de repeti\u00e7\u00e3o sem comprometer tratamentos futuros.<\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":98},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Inje\u00e7\u00e3o Periuretral: Tratamento da Incontin\u00eancia | Rigicon<\/title>\n<meta name=\"description\" content=\"Conhe\u00e7a a inje\u00e7\u00e3o periuretral para incontin\u00eancia urin\u00e1ria de esfor\u00e7o: t\u00e9cnica minimamente invasiva, agentes dispon\u00edveis e resultados. 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