{"id":12798,"date":"2025-07-31T10:50:15","date_gmt":"2025-07-31T14:50:15","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/neobladder\/"},"modified":"2025-07-31T10:50:15","modified_gmt":"2025-07-31T14:50:15","slug":"neobexiga","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/pt-br\/glossary-term\/neobexiga\/","title":{"rendered":"Neobexiga"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[112],"glossary-product":[],"class_list":["post-12798","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-surgical-procedures"],"acf":{"gt-definition":"<p>Uma neobexiga \u00e9 um reservat\u00f3rio criado cirurgicamente para urina, produzido a partir de tecido intestinal ap\u00f3s a remo\u00e7\u00e3o da bexiga (cistectomia). Esta t\u00e9cnica de deriva\u00e7\u00e3o urin\u00e1ria ortot\u00f3pica envolve a reconfigura\u00e7\u00e3o de segmentos do intestino delgado, normalmente o \u00edleo, em uma bolsa esf\u00e9rica que funciona como uma bexiga substituta.<sup>1<\/sup> A neobexiga \u00e9 posicionada no local original da bexiga e conectada aos ureteres (que transportam a urina dos rins) e \u00e0 uretra, permitindo o armazenamento da urina dentro do corpo e a mic\u00e7\u00e3o volunt\u00e1ria atrav\u00e9s da uretra natural canal.<sup>2<\/sup> O objetivo principal de uma neobexiga \u00e9 manter a contin\u00eancia e preservar a qualidade de vida, permitindo aos pacientes urinar de maneira semelhante \u00e0 fun\u00e7\u00e3o fisiol\u00f3gica normal ap\u00f3s a remo\u00e7\u00e3o da bexiga.<sup>3<\/sup> Com o tempo, o tecido intestinal passa por um processo de matura\u00e7\u00e3o, com altera\u00e7\u00f5es estruturais e ultraestruturais na mucosa ileal levando a um epit\u00e9lio primitivo semelhante ao urot\u00e9lio, melhorando sua fun\u00e7\u00e3o como um canal urin\u00e1rio. reservat\u00f3rio.<sup>4<\/sup><\/p>\n<p>A neobexiga ortot\u00f3pica \u00e9 uma forma de deriva\u00e7\u00e3o urin\u00e1ria continente constru\u00edda a partir de segmento intestinal (geralmente \u00edleo), anastomosada \u00e0 uretra para permitir mic\u00e7\u00e3o por via natural ap\u00f3s cistectomia radical. \u00c9 considerada a op\u00e7\u00e3o que melhor preserva a imagem corporal e a qualidade de vida entre as deriva\u00e7\u00f5es urin\u00e1rias.<\/p>","gt-synonyms":"Neobexiga ortot\u00f3pica, Neobexiga ileal, Deriva\u00e7\u00e3o urin\u00e1ria ortot\u00f3pica, Deriva\u00e7\u00e3o urin\u00e1ria continental, Substitui\u00e7\u00e3o da bexiga, Neovesica","gt-citation":"[1] Chesnut GT, Rentea RM, Leslie SW. Urinary Diversions and Neobladders. StatPearls. 2024. PMID: 32644388.\n\n[2] Hautmann RE. Urinary diversion: ileal conduit to neobladder. J Urol. 2003 Mar;169(3):834-42. DOI: 10.1097\/01.ju.0000029010.97686.eb.\n\n[3] Barone B, Crocetto F, Capece M, et al. Advances in Urinary Diversion: From Cutaneous Ureterostomy to Robotic Intracorporeal Neobladder. J Clin Med. 2024;13(1):102. DOI: 10.3390\/jcm13010102.\n\n[4] Palleschi G, Pastore AL, Ripoli A, et al. Urodynamic assessment of orthotopic urinary diversions. Front Urol. 2022;2:885826. DOI: 10.3389\/fruro.2022.885826.\n\n[5] Cleveland Clinic. Bladder Reconstruction Surgery (Neobladder): Procedure. Updated April 24, 2024. https:\/\/my.clevelandclinic.org\/health\/procedures\/bladder-reconstruction-surgery.","gt-clinical-context":"<p>A reconstru\u00e7\u00e3o da neobexiga \u00e9 indicada principalmente para pacientes submetidos \u00e0 cistectomia radical para c\u00e2ncer de bexiga m\u00fasculo-invasivo, o que representa o tratamento mais eficaz, com taxas de sobrevida espec\u00edfica do c\u00e2ncer em 5 anos relatadas de at\u00e9 76%.<sup>1<\/sup> Outras indica\u00e7\u00f5es incluem dor ou disfun\u00e7\u00e3o cr\u00f4nica da bexiga devido a les\u00e3o, cirurgia ou radia\u00e7\u00e3o que requer remo\u00e7\u00e3o da bexiga.<sup>2<\/sup> A sele\u00e7\u00e3o de pacientes \u00e9 cr\u00edtica para resultados bem-sucedidos, com candidatos ideais sendo indiv\u00edduos motivados, com fun\u00e7\u00e3o renal adequada, sem envolvimento tumoral de bexiga. uretra e bom estado geral de sa\u00fade.<sup>3<\/sup><\/p>\n \n <p>O procedimento cir\u00fargico envolve a remo\u00e7\u00e3o da bexiga (cistectomia), normalmente com dissec\u00e7\u00e3o bilateral dos linfonodos p\u00e9lvicos, seguida pelo isolamento de um segmento do intestino delgado (geralmente 40-60 cm do \u00edleo), preservando seu suprimento sangu\u00edneo.<sup>4<\/sup> Esse segmento intestinal \u00e9 ent\u00e3o reconfigurado em um reservat\u00f3rio esf\u00e9rico, colocado no local original da bexiga e conectado aos ureteres e \u00e0 uretra.<sup>5<\/sup> O o procedimento pode ser realizado atrav\u00e9s de cirurgia aberta tradicional ou usando t\u00e9cnicas minimamente invasivas, como cirurgia assistida por rob\u00f3tica, com tempos operat\u00f3rios normalmente variando de 2 a 6 horas.<sup>5<\/sup><\/p>\n \n <p>No p\u00f3s-operat\u00f3rio, os pacientes necessitam de um cateter urin\u00e1rio por aproximadamente tr\u00eas semanas para permitir a cura.<sup>2<\/sup> A recupera\u00e7\u00e3o envolve o aprendizado de novas t\u00e9cnicas de mic\u00e7\u00e3o usando os m\u00fasculos abdominais e pode exigir exerc\u00edcios do assoalho p\u00e9lvico para melhorar a contin\u00eancia.<sup>5<\/sup> Os resultados cl\u00ednicos mostram que mais de 90% dos pacientes atingem a contin\u00eancia diurna dentro de 12 a 18 meses, enquanto mais de 50% atingem a contin\u00eancia noturna dentro de 18 a 36 meses. p\u00f3s-cirurgia.<sup>5<\/sup> Aproximadamente 10-15% dos pacientes podem necessitar de autocateterismo intermitente devido \u00e0 dificuldade de esvaziamento completo da neobexiga.<sup>5<\/sup><\/p>\n<p>A EAU 2023 recomenda neobexiga para pacientes eleg\u00edveis ap\u00f3s cistectomia: sem comprometimento uretral, fun\u00e7\u00e3o renal adequada e destreza manual para autocateterismo eventual. A contin\u00eancia diurna \u00e9 alcan\u00e7ada em 80-90% e noturna em 60-80% dos pacientes. O treinamento de mic\u00e7\u00e3o por relaxamento abdominal (Valsalva) \u00e9 essencial. Complica\u00e7\u00f5es incluem incontin\u00eancia noturna, acidose metab\u00f3lica e necessidade de cateterismo intermitente em 10-20%.<\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":102},"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>Neobexiga Ortot\u00f3pica: Reconstru\u00e7\u00e3o Vesical | Rigicon<\/title>\n<meta name=\"description\" content=\"Entenda a neobexiga ortot\u00f3pica, reconstru\u00e7\u00e3o da bexiga com intestino ap\u00f3s cistectomia. T\u00e9cnica, contin\u00eancia e qualidade de vida. 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