{"id":12169,"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":"neovejiga","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/es\/glossary-term\/neovejiga\/","title":{"rendered":"Neovejiga"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[112],"glossary-product":[],"class_list":["post-12169","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-surgical-procedures"],"acf":{"gt-definition":"<p>Una neovejiga es un reservorio creado quir\u00fargicamente para la orina a partir de tejido intestinal despu\u00e9s de la extirpaci\u00f3n de la vejiga (cistectom\u00eda). Esta t\u00e9cnica de derivaci\u00f3n urinaria ortot\u00f3pica implica reconfigurar segmentos del intestino delgado, generalmente el \u00edleon, en una bolsa esf\u00e9rica que funciona como una vejiga de reemplazo.<sup>1<\/sup> La neovejiga se coloca en la ubicaci\u00f3n original de la vejiga y se conecta tanto a los ur\u00e9teres (que transportan la orina desde los ri\u00f1ones) como a la uretra, lo que permite el almacenamiento de orina dentro del cuerpo y la micci\u00f3n voluntaria a trav\u00e9s de la uretra natural. canal.<sup>2<\/sup> El prop\u00f3sito principal de una neovejiga es mantener la continencia y preservar la calidad de vida al permitir que los pacientes orinen de una manera similar a la funci\u00f3n fisiol\u00f3gica normal despu\u00e9s de la extracci\u00f3n de la vejiga.<sup>3<\/sup> Con el tiempo, el tejido intestinal sufre un proceso de maduraci\u00f3n, con cambios estructurales y ultraestructurales en la mucosa ileal que conducen a un epitelio primitivo similar al urotelio, mejorando su funci\u00f3n como sistema urinario. dep\u00f3sito.<sup>4<\/sup><\/p>","gt-synonyms":"Neovejiga ortot\u00f3pica, Neovejiga ileal, Derivaci\u00f3n urinaria ortot\u00f3pica, Derivaci\u00f3n urinaria continente, Sustituci\u00f3n de vejiga, 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. Actualizado April 24, 2024. https:\/\/my.clevelandclinic.org\/health\/procedures\/bladder-reconstruction-surgery.","gt-clinical-context":"<p>La reconstrucci\u00f3n de neovejiga est\u00e1 indicada principalmente para pacientes sometidos a cistectom\u00eda radical por c\u00e1ncer de vejiga con invasi\u00f3n muscular, lo que representa el tratamiento m\u00e1s eficaz con tasas de supervivencia espec\u00edficas del c\u00e1ncer a 5 a\u00f1os reportadas de hasta el 76 %.<sup>1<\/sup> Otras indicaciones incluyen dolor o disfunci\u00f3n cr\u00f3nica de la vejiga debido a una lesi\u00f3n, cirug\u00eda o radiaci\u00f3n que requiere la extirpaci\u00f3n de la vejiga.<sup>2<\/sup> La selecci\u00f3n del paciente es fundamental para obtener resultados exitosos, con Los candidatos ideales son personas motivadas con funci\u00f3n renal adecuada, sin afectaci\u00f3n tumoral de la uretra y buen estado de salud general.<sup>3<\/sup><\/p>\n    \n    <p>El procedimiento quir\u00fargico implica la extirpaci\u00f3n de la vejiga (cistectom\u00eda), t\u00edpicamente con disecci\u00f3n bilateral de los ganglios linf\u00e1ticos p\u00e9lvicos, seguido del aislamiento de un segmento del intestino delgado (generalmente 40-60 cm de \u00edleon) mientras se preserva su suministro de sangre.<sup>4<\/sup> Este segmento intestinal luego se reconfigura en un reservorio esf\u00e9rico, se coloca en la ubicaci\u00f3n original de la vejiga y se conecta tanto a los ur\u00e9teres como a los ur\u00e9teres. uretra.<sup>5<\/sup> El procedimiento se puede realizar mediante cirug\u00eda abierta tradicional o utilizando t\u00e9cnicas m\u00ednimamente invasivas como la cirug\u00eda asistida por robot, con tiempos quir\u00fargicos que generalmente oscilan entre 2 y 6 horas.<sup>5<\/sup><\/p>\n    \n    <p>Despu\u00e9s de la operaci\u00f3n, los pacientes requieren un cat\u00e9ter urinario durante aproximadamente tres semanas para permitir la curaci\u00f3n.<sup>2<\/sup> La recuperaci\u00f3n implica aprender nuevas t\u00e9cnicas de micci\u00f3n utilizando los m\u00fasculos abdominales y puede requerir ejercicios del suelo p\u00e9lvico para mejorar la continencia.<sup>5<\/sup> Los resultados cl\u00ednicos muestran que m\u00e1s del 90% de los pacientes logran la continencia diurna dentro de 12 a 18 meses, mientras que El 50% logra la continencia nocturna dentro de los 18 a 36 meses posteriores a la cirug\u00eda.<sup>5<\/sup> Aproximadamente el 10-15% de los pacientes pueden requerir un autocateterismo intermitente debido a la dificultad para vaciar completamente la neovejiga.<sup>5<\/sup><\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":70},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Neovejiga: Surgical Bladder Reconstruction After Cystectomy<\/title>\n<meta name=\"description\" content=\"Una neovejiga es un reservorio 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