{"id":12861,"date":"2025-08-14T10:16:22","date_gmt":"2025-08-14T14:16:22","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/durasphere\/"},"modified":"2026-03-22T06:35:56","modified_gmt":"2026-03-22T10:35:56","slug":"durasphere","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/durasphere\/","title":{"rendered":"Durasphere"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[123],"glossary-product":[108,107],"class_list":["post-12861","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>Durasphere \u00e9 um agente de volume uretral injet\u00e1vel, est\u00e9ril e n\u00e3o pirog\u00eanico, composto de esferas pirol\u00edticas de \u00f3xido de zirc\u00f4nio revestidas com carbono suspensas em um gel transportador \u00e0 base de \u00e1gua contendo beta-glucano.<span class=\"citation\">1<\/span> As esferas pirol\u00edticas revestidas com carbono s\u00e3o projetadas para ter uma dimens\u00e3o m\u00ednima de 212 m\u00edcrons e uma dimens\u00e3o m\u00e1xima de 500 m\u00edcrons.<span class=\"citation\">1<\/span> O gel transportador \u00e0 base de \u00e1gua \u00e9 aproximadamente 97 por cento de \u00e1gua por volume e 3 por cento de beta-glucano.<span class=\"citation\">1<\/span> Durasphere \u00e9 injetado submucosamente no colo da bexiga em mulheres, criando maior volume de tecido e subsequente coapta\u00e7\u00e3o do colo da bexiga.<span class=\"citation\">1<\/span> Com o tempo, o col\u00e1geno \u00e9 depositado ao redor das esferas revestidas com carbono pirol\u00edtico, e o resultado de volume final deriva da combina\u00e7\u00e3o das esferas revestidas com carbono pirol\u00edtico e o col\u00e1geno do pr\u00f3prio corpo.<span class=\"citation\">1<\/span> A composi\u00e7\u00e3o foi projetada para fornecer um agente dur\u00e1vel, n\u00e3o migrat\u00f3rio e de baixo potencial imunog\u00eanico.<span class=\"citation\">2<\/span><\/p>\n<p>O Durasphere \u00e9 um agente de preenchimento uretral composto por microesferas de carbono pirol\u00edtico revestidas com zirc\u00f4nia, suspensas em gel de beta-glucano. \u00c9 utilizado para inje\u00e7\u00e3o periuretral no tratamento da incontin\u00eancia urin\u00e1ria de esfor\u00e7o por defici\u00eancia esfincteriana intr\u00ednseca. As microesferas s\u00e3o biocompat\u00edveis, n\u00e3o migrat\u00f3rias e radiopacas, permitindo visualiza\u00e7\u00e3o em exames de imagem.<\/p>","gt-synonyms":"Durasphere\u2122, agente de volume injet\u00e1vel Durasphere\u00ae, agente de volume de esferas pirol\u00edticas revestidas com carbono, esferas de \u00f3xido de zirc\u00f4nio revestidas com carbono","gt-citation":"[1] U.S. Food and Drug Administration. Summary of Safety and Effectiveness Data: Durasphere Injectable Bulking Agent. PMA Number: P980053. September 13, 1999. DOI: https:\/\/www.accessdata.fda.gov\/cdrh_docs\/pdf\/P980053b.pdf\n\n[2] Berger MB, Morgan DM. Delayed Presentation of Pseudoabscess Secondary to Injection of Pyrolitic Carbon-Coated Beads Bulking Agent. Female Pelvic Med Reconstr Surg. 2012 Sep-Oct;18(5):303-305. DOI: 10.1097\/SPV.0b013e318264c8e0\n\n[3] Lightner D, Calvosa C, Andersen R, et al. A new injectable bulking agent for treatment of stress urinary incontinence: results of a multicenter, randomized, controlled, double-blind study of Durasphere. Urology. 2001 Jul;58(1):12-5. DOI: 10.1016\/s0090-4295(01)01148-7","gt-clinical-context":"<p>Durasphere \u00e9 indicado para uso no tratamento de mulheres adultas com incontin\u00eancia urin\u00e1ria de esfor\u00e7o (IUE) devido \u00e0 defici\u00eancia intr\u00ednseca do esf\u00edncter (ISD).<span class=\"citation\">1<\/span> Oferece aos cirurgi\u00f5es um suporte de longo prazo e menos invasivo para a uretra em v\u00e1rios cen\u00e1rios cl\u00ednicos: quando a cirurgia convencional n\u00e3o foi totalmente eficaz, onde o paciente n\u00e3o est\u00e1 apto o suficiente para cirurgia ou anestesia, onde o paciente prefere n\u00e3o se submeter a uma cirurgia invasiva, ou quando o paciente ainda n\u00e3o a completou totalmente. fam\u00edlia.<span class=\"citation\">3<\/span><\/p>\n <p>O procedimento de inje\u00e7\u00e3o envolve a administra\u00e7\u00e3o submucosa no colo da bexiga em mulheres.<span class=\"citation\">1<\/span> Ensaios cl\u00ednicos demonstraram que Durasphere \u00e9 igualmente eficaz como col\u00e1geno bovino no tratamento de IUE devido a DSI, com 80,3% das mulheres apresentando melhora de pelo menos um grau de contin\u00eancia um ano ap\u00f3s o tratamento.<span class=\"citation\">3<\/span> Durabilidade de longo prazo foi observada, com 73% dos pacientes mantendo seu ano p\u00f3s-procedimento. grau de contin\u00eancia 4,3 anos ap\u00f3s o procedimento.<span class=\"citation\">3<\/span><\/p>\n <p>As esferas pirol\u00edticas de grafite revestidas com carbono n\u00e3o s\u00e3o degradadas pelo corpo, portanto o efeito de volume \u00e9 mantido e o procedimento n\u00e3o precisa ser repetido anualmente, ao contr\u00e1rio de outros agentes de volume.<span class=\"citation\">3<\/span> No entanto, complica\u00e7\u00f5es potenciais incluem um risco aumentado de urg\u00eancia e reten\u00e7\u00e3o urin\u00e1ria a curto prazo,<span class=\"citation\">3<\/span> e casos raros de forma\u00e7\u00e3o de pseudoabscesso foram relatados.<span class=\"citation\">2<\/span> Diretrizes NICE em A Incontin\u00eancia Urin\u00e1ria sugere considerar agentes de volume intramurais, incluindo aqueles de esferas de zirc\u00f4nio revestidas de carbono, para o tratamento da IUE quando o manejo conservador falhou.<span class=\"citation\">3<\/span><\/p>\n<p>O procedimento \u00e9 minimamente invasivo, realizado sob anestesia local com orienta\u00e7\u00e3o cistosc\u00f3pica. Estudos demonstram melhora em 60-70% dos pacientes. Uma vantagem do Durasphere \u00e9 a radiopacidade, que permite verifica\u00e7\u00e3o do posicionamento por fluoroscopia ou raio-X. \u00c9 classificado pela EAU como op\u00e7\u00e3o de tratamento minimamente invasivo para pacientes com incontin\u00eancia leve a moderada que desejam evitar cirurgias mais complexas.<\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":48},"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>Durasphere: Agente de Preenchimento Uretral | Rigicon<\/title>\n<meta name=\"description\" content=\"Conhe\u00e7a o Durasphere, agente de preenchimento com microesferas de zirc\u00f4nia para tratamento da incontin\u00eancia urin\u00e1ria de esfor\u00e7o. 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