{"id":12872,"date":"2025-08-14T10:22:21","date_gmt":"2025-08-14T14:22:21","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/cuff-pressure\/"},"modified":"2025-08-14T10:22:21","modified_gmt":"2025-08-14T14:22:21","slug":"pressao-do-cuff","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/pressao-do-cuff\/","title":{"rendered":"Press\u00e3o do Cuff"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[113],"glossary-product":[108,107],"class_list":["post-12872","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-surgical-devices","glossary-product-conticlassic-aus","glossary-product-contireflex-enhanced-aus"],"acf":{"gt-definition":"<p>A press\u00e3o do manguito refere-se \u00e0 press\u00e3o mantida por um manguito de esf\u00edncter urin\u00e1rio artificial (AUS), um componente de dispositivo m\u00e9dico que envolve a uretra e exerce compress\u00e3o controlada para evitar vazamento involunt\u00e1rio de urina.<span class=\"citation\">\u00a4\u00a40001\u00a4\u00a4<\/span> Essa press\u00e3o \u00e9 gerada por um sistema cheio de l\u00edquido e regulada por um bal\u00e3o regulador de press\u00e3o (PRB) implantado na parte inferior do abd\u00f4men do paciente.<span class=\"citation\">\u00a4\u00a40002\u00a4\u00a4<\/span> A press\u00e3o do manguito \u00e9 cuidadosamente calibrada para fornecer compress\u00e3o uretral suficiente para manter a contin\u00eancia, minimizando o risco de danos ou eros\u00e3o no tecido uretral.<span class=\"citation\">\u00a4\u00a40003\u00a4\u00a4<\/span> Medida em cent\u00edmetros de \u00e1gua (cmH\u2082O), a press\u00e3o t\u00edpica do manguito varia de 41 a 90 cmH\u2082O, com a maioria dos pacientes necessitando de press\u00f5es entre 51-70 cmH\u2082O para um funcionamento ideal.<span class=\"citation\">\u00a4\u00a40004\u00a4\u00a4<\/span> A press\u00e3o pode ser liberada temporariamente por meio de uma bomba mecanismo quando o paciente deseja urinar, permitindo que o manguito esvazie e a urina passe pela uretra.<span class=\"citation\">\u00a4\u00a40005\u00a4\u00a4<\/span><\/p>\n<p>A press\u00e3o do cuff refere-se \u00e0 press\u00e3o exercida pelo manguito (cuff) do esf\u00edncter urin\u00e1rio artificial sobre a uretra. \u00c9 determinada pela press\u00e3o do bal\u00e3o regulador e pela rela\u00e7\u00e3o entre os volumes do sistema. O equil\u00edbrio entre press\u00e3o suficiente para contin\u00eancia e press\u00e3o baixa o bastante para preservar a perfus\u00e3o uretral \u00e9 crucial para o sucesso a longo prazo do dispositivo.<\/p>","gt-synonyms":"Press\u00e3o AUS, press\u00e3o oclusiva uretral, press\u00e3o do manguito esfincteriano, press\u00e3o PRB, press\u00e3o esfincteriana artificial","gt-citation":"[1] Carson CC. Artificial urinary sphincter: current status and future directions. Asian J Androl. 2020;22(2):154-157. DOI: 10.4103\/aja.aja_5_20\n\n[2] Klock JA, Palacios AR, Leslie SW, Feloney MP. Artificial Urinary Sphincters and Adjustable Dual-Balloon Continence Therapy in Men. In: StatPearls. Treasure Island (FL): StatPearls Publishing; 2023. PMID: 32119191\n\n[3] Frazier RL, Ayyash OM, Slawin J, Speir RW, Elliott SP. Artificial Urinary Sphincter Complications: A Narrative Review. Sex Med Rev. 2024;12(1):151-162. DOI: 10.1016\/j.sxmr.2023.07.003\n\n[4] Knight SL, Susser J, Greenwell T, Mundy AR, Craggs MD. A new artificial urinary sphincter with conditional occlusion for stress urinary incontinence: preliminary clinical results. Eur Urol. 2006;50(3):574-580. DOI: 10.1016\/j.eururo.2006.05.023\n\n[5] Medical Clinics of North America. Artificial Urinary Sphincter. 2018. Available from: https:\/\/www.sciencedirect.com\/topics\/medicine-and-dentistry\/artificial-urinary-sphincter","gt-clinical-context":"<p>A press\u00e3o do manguito \u00e9 um par\u00e2metro cr\u00edtico no tratamento da incontin\u00eancia urin\u00e1ria de esfor\u00e7o (IUE) usando dispositivos de esf\u00edncter urin\u00e1rio artificial, particularmente em pacientes do sexo masculino ap\u00f3s prostatectomia radical ou outras cirurgias de pr\u00f3stata que podem danificar o esf\u00edncter uretral externo.<span class=\"citation\">\u00a4\u00a40001\u00a4\u00a4<\/span> A sele\u00e7\u00e3o da press\u00e3o apropriada do manguito \u00e9 individualizada com base na gravidade da incontin\u00eancia, condi\u00e7\u00e3o uretral e fatores de risco espec\u00edficos do paciente.<span class=\"citation\">\u00a4\u00a40002\u00a4\u00a4<\/span><\/p>\n \n <p>Os crit\u00e9rios de sele\u00e7\u00e3o de pacientes para implanta\u00e7\u00e3o de AUS com press\u00e3o otimizada do manguito incluem demonstra\u00e7\u00e3o de defici\u00eancia intr\u00ednseca do esf\u00edncter, destreza manual adequada para operar o mecanismo da bomba e aus\u00eancia de infec\u00e7\u00f5es ativas do trato urin\u00e1rio ou disfun\u00e7\u00e3o significativa da bexiga.<span class=\"citation\">\u00a4\u00a40003\u00a4\u00a4<\/span> Pacientes com certos fatores de risco uretral (por exemplo, radia\u00e7\u00e3o p\u00e9lvica pr\u00e9via, uretroplastia pr\u00e9via ou eros\u00e3o pr\u00e9via do AUS) podem se beneficiar de press\u00f5es mais baixas do manguito (por exemplo, 51-60 cmH\u2082O) para minimizar complica\u00e7\u00f5es como eros\u00e3o uretral.<span class=\"citation\">\u00a4\u00a40004\u00a4\u00a4<\/span><\/p>\n \n <p>O procedimento cir\u00fargico envolve a coloca\u00e7\u00e3o do manguito infl\u00e1vel ao redor da uretra bulbar, com o bal\u00e3o regulador de press\u00e3o implantado no espa\u00e7o pr\u00e9-vesical ou em local submuscular alto na parede abdominal.<span class=\"citation\">\u00a4\u00a40005\u00a4\u00a4<\/span> O tamanho do manguito \u00e9 cuidadosamente medido, com tamanhos variando de 3,5 a 11 cm em incrementos de meio cent\u00edmetro, sendo 4 cm mais comumente usado em homens.<span class=\"citation\">\u00a4\u00a40006\u00a4\u00a4<\/span> O bal\u00e3o regulador de press\u00e3o est\u00e1 dispon\u00edvel em 5 faixas de press\u00e3o de \u00e1gua: 41-50, 51-60, 61-70, 71-80 e 81-90 cmH\u2082O, com sele\u00e7\u00e3o baseada na press\u00e3o mais baixa necess\u00e1ria para o fechamento uretral.<span class=\"citation\">\u00a4\u00a40007\u00a4\u00a4<\/span><\/p>\n \n <p>Os resultados esperados incluem altas taxas de sucesso na restaura\u00e7\u00e3o da contin\u00eancia urin\u00e1ria, com muitos pacientes alcan\u00e7ando contin\u00eancia social (0-1 absorvente por dia).<span class=\"citation\">\u00a4\u00a40008\u00a4\u00a4<\/span> No entanto, complica\u00e7\u00f5es relacionadas \u00e0 press\u00e3o do manguito podem incluir eros\u00e3o uretral (3,8-10%), falha mec\u00e2nica (aproximadamente 12% aos 4 anos) e atrofia uretral devido \u00e0 compress\u00e3o cr\u00f4nica.<span class=\"citation\">\u00a4\u00a40009\u00a4\u00a4<\/span> Dispositivos mais novos com mecanismos de press\u00e3o do manguito ajust\u00e1veis est\u00e3o sendo desenvolvido para permitir ajustes de press\u00e3o p\u00f3s-implanta\u00e7\u00e3o sem cirurgia adicional, melhorando potencialmente os resultados a longo prazo.<span class=\"citation\">\u00a4\u00a40010\u00a4\u00a4<\/span><\/p>\n<p>Bal\u00f5es reguladores est\u00e3o dispon\u00edveis em faixas de 61-70 cmH\u2082O e 71-80 cmH\u2082O. A escolha depende da condi\u00e7\u00e3o tecidual da uretra: press\u00f5es menores (61-70) s\u00e3o preferidas na maioria dos casos para preservar o tecido, enquanto press\u00f5es maiores s\u00e3o reservadas para uretras previamente irradiadas ou com tecido cicatricial. A desativa\u00e7\u00e3o noturna reduz o tempo de press\u00e3o sobre a uretra, diminuindo o risco de atrofia e eros\u00e3o.<\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":62},"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>Press\u00e3o do Cuff: Esf\u00edncter Urin\u00e1rio Artificial | Rigicon<\/title>\n<meta name=\"description\" content=\"Saiba sobre a press\u00e3o do cuff no esf\u00edncter urin\u00e1rio artificial: equil\u00edbrio entre contin\u00eancia e preserva\u00e7\u00e3o do tecido uretral. 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