{"id":32824,"date":"2026-09-08T18:28:00","date_gmt":"2026-09-08T22:28:00","guid":{"rendered":"https:\/\/www.rigicon.com\/?post_type=glossary-term&p=32824"},"modified":"2026-09-09T06:08:00","modified_gmt":"2026-09-09T10:08:00","slug":"extrusao-do-dispositivo-aus","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/extrusao-do-dispositivo-aus\/","title":{"rendered":"Extrus\u00e3o do Dispositivo (AUS)"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[117],"glossary-product":[],"class_list":["post-32824","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-prosthetic-implants"],"acf":{"gt-definition":"<p>A Extrus\u00e3o do Dispositivo (AUS) \u00e9 uma complica\u00e7\u00e3o grave do implante de Esf\u00edncter Urin\u00e1rio Artificial, na qual os componentes do dispositivo, mais comumente o manguito uretral, sofrem eros\u00e3o atrav\u00e9s do tecido circundante e tornam-se expostos<sup>1<\/sup>. Esse processo geralmente envolve a eros\u00e3o do manguito atrav\u00e9s da parede uretral, comprometendo a integridade tanto do dispositivo quanto do tecido uretral<sup>2<\/sup>. A eros\u00e3o geralmente ocorre na face ventral da uretra e, secundariamente, nas faces laterais, sendo a eros\u00e3o dorsal menos comum<sup>3<\/sup>. A extrus\u00e3o do dispositivo pode levar \u00e0 infec\u00e7\u00e3o do dispositivo, infec\u00e7\u00e3o do trato urin\u00e1rio e, em \u00faltima an\u00e1lise, \u00e0 falha do dispositivo, exigindo explante<sup>4<\/sup>. Essa complica\u00e7\u00e3o representa um dos eventos adversos mais significativos associados ao implante de AUS, com taxas relatadas entre 3,8\u201310% na literatura publicada<sup>5<\/sup>.<\/p>\n","gt-synonyms":"Eros\u00e3o do manguito, eros\u00e3o uretral, eros\u00e3o do AUS, eros\u00e3o do manguito uretral, eros\u00e3o do dispositivo, eros\u00e3o do esf\u00edncter, eros\u00e3o da pr\u00f3tese","gt-citation":"[1] Frazier RL, Jones ME, Hofer MD. Artificial Urinary Sphincter Complications: A Narrative Review. J Clin Med. 2024;13(7):1913. DOI: https:\/\/doi.org\/10.3390\/jcm13071913\n\n[2] Desai TJ, Rozanski AT. Artificial urinary sphincter erosion and infection: a contemporary review of perioperative considerations and management. Transl Androl Urol. 2024;13(5):1107-1118. DOI: https:\/\/doi.org\/10.21037\/tau-23-488\n\n[3] Rozanski AT, Tausch TJ, Ramirez D, et al. Immediate urethral repair during explantation prevents stricture formation after artificial urinary sphincter cuff erosion. J Urol. 2014;192(2):442-446. DOI: https:\/\/doi.org\/10.1016\/j.juro.2014.01.108\n\n[4] Linder BJ, Rivera ME, Ziegelmann MJ, Elliott DS. Long-term Device Outcomes of Artificial Urinary Sphincter Reimplantation Following Prior Explantation for Erosion or Infection. J Urol. 2014;191(3):734-738. DOI: https:\/\/doi.org\/10.1016\/j.juro.2013.08.089\n\n[5] Brant WO, Erickson BA, Elliott SP, et al. Risk Factors for Erosion of Artificial Urinary Sphincters: A Multicenter Prospective Study. Urology. 2014;84(4):934-938. DOI: https:\/\/doi.org\/10.1016\/j.urology.2014.05.043","gt-clinical-context":"<p>A Extrus\u00e3o do Dispositivo (AUS) ocorre no contexto cl\u00ednico do tratamento da incontin\u00eancia urin\u00e1ria de esfor\u00e7o masculina com o implante de Esf\u00edncter Urin\u00e1rio Artificial. Diversos fatores do paciente aumentam o risco dessa complica\u00e7\u00e3o, incluindo radioterapia pr\u00e9via (&#8220;uretras fr\u00e1geis&#8221;), cirurgia pr\u00e9via de uretroplastia, hipogonadismo com baixos n\u00edveis de testosterona, idade avan\u00e7ada (superior a 80 anos), diabetes, necessidade de anticoagula\u00e7\u00e3o e hist\u00f3rico de acidente vascular cerebral ou doen\u00e7a arterial coronariana<sup>1,4<\/sup>.<\/p>\n<p>Fatores perioperat\u00f3rios que podem contribuir para a extrus\u00e3o do dispositivo incluem reten\u00e7\u00e3o urin\u00e1ria na fase p\u00f3s-operat\u00f3ria aguda, cateterismo urin\u00e1rio prolongado (&gt;48 horas) e manipula\u00e7\u00e3o endosc\u00f3pica com um AUS ativado<sup>2<\/sup>. As considera\u00e7\u00f5es espec\u00edficas do dispositivo incluem o tamanho do manguito, sendo que manguitos menores (3,5 cm) podem potencialmente aumentar o risco de eros\u00e3o<sup>3<\/sup>. Demonstrou-se que a radia\u00e7\u00e3o p\u00e9lvica aumenta o risco de eros\u00e3o em 41,1% em compara\u00e7\u00e3o com pacientes n\u00e3o irradiados<sup>5<\/sup>.<\/p>\n<p>Pacientes com extrus\u00e3o do dispositivo podem apresentar um espectro de sintomas que varia de pequenas altera\u00e7\u00f5es nos sintomas urin\u00e1rios at\u00e9 sepse<sup>2<\/sup>. Os sintomas de apresenta\u00e7\u00e3o comuns incluem sinais inflamat\u00f3rios escrotais (sensibilidade dolorosa, eritema, edema), sintomas miccionais obstrutivos e piora da incontin\u00eancia<sup>2<\/sup>. Alguns pacientes podem ser assintom\u00e1ticos, com a eros\u00e3o sendo descoberta durante cistoscopia de rotina no acompanhamento<sup>4<\/sup>.<\/p>\n<p>O diagn\u00f3stico \u00e9 feito principalmente por meio de cistoscopia, com a uretrografia retr\u00f3grada servindo como estudo complementar<sup>2<\/sup>. O manejo requer o explante do dispositivo, com o momento variando de acordo com a condi\u00e7\u00e3o do paciente. Em pacientes s\u00e9pticos com sinais evidentes de infec\u00e7\u00e3o, o explante urgente \u00e9 necess\u00e1rio, enquanto pacientes est\u00e1veis sem sintomas infecciosos preocupantes podem ser submetidos ao explante em regime ambulatorial<sup>2<\/sup>. Diversas abordagens cir\u00fargicas foram desenvolvidas para prevenir a recorr\u00eancia, incluindo o posicionamento transcorporal do manguito, envolvimento com f\u00e1scia do reto abdominal e uretroplastia in situ no momento do explante<sup>3,5<\/sup>.<\/p>\n<p>Ap\u00f3s o explante, um per\u00edodo de repouso uretral \u00e9 necess\u00e1rio antes de considerar o reimplante. Os pacientes devem ser orientados sobre o maior risco de eros\u00e3o recorrente no implante secund\u00e1rio (at\u00e9 4 vezes maior)<sup>4<\/sup>. Apesar desses desafios, muitos pacientes alcan\u00e7am uma contin\u00eancia satisfat\u00f3ria com o manejo adequado e a t\u00e9cnica cir\u00fargica apropriada<sup>1<\/sup>.<\/p>\n","gt-related-evidence":null,"gt-featured":false,"gt-ai-referenced":true,"gt-view-count":2},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Extrus\u00e3o do Dispositivo (AUS): Causas e Tratamento<\/title>\n<meta name=\"description\" content=\"A Extrus\u00e3o do Dispositivo (AUS) ocorre com a eros\u00e3o de componentes pelos tecidos, exigindo explante cir\u00fargico e manejo para restaurar a contin\u00eancia.\" \/>\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\/pt-br\/glossary-term\/extrusao-do-dispositivo-aus\/\" \/>\n<meta property=\"og:locale\" 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