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Background: To report the surgical techniques and results of robot-assisted radical cystectomy (RARC) with intracorporeal Mainz Ⅱ rectosigmoid pouch at our centre. Methods: Two female patients were treated with this procedure. Construction of the pouch was divided into four main steps: incision of the rectum and sigmoid colon, closure of the posterior wall of the pouch, reimplantation of the ureters at the bottom of pouch in an anti-reflux manner, and closure of the anterior wall. Surgical results and perioperative complications were assessed. Results:The operations were performed completely intracorporeally. No perioperative complications were observed. Postoperatively, high-grade invasive urothelial carcinoma was detected. On postoperative day 60, no bilateral ureteral dilation was detected. Two patients demonstrated total continence. Clinical recurrence was not observed during the follow-up period.Conclusions: With careful patient selection, robot-assisted intracorporeal Mainz Ⅱ rectosigmoid pouch might be a simple minimally invasive surgical technique to be evaluated in repeated applications. K E Y W O R D Sbladder cancer, continent urinary diversion, Mainz Ⅱ rectosigmoid pouch, robot-assisted radical cystectomy | INTRODUCTIONWorldwide, bladder cancer is the second most common cancer of the urinary tract and is associated with high morbidity and mortality. Urothelial carcinoma accounts for nearly 90% of all primary bladder tumours. 1,2 Radical cystectomy (RC) is now considered the gold standard for the treatment of muscle-invasive urothelial bladder cancer or high-grade, recurrent non-muscleinvasive bladder tumours. [2][3][4] However, both open radical cystectomy and laparoscopic radical cystectomy with continent or incontinent urinary diversion are standard procedures associated with a risk for severe complications. Conversely, robot-assisted radical cystectomy (RARC) has been reported to reduce morbidity and mortality after RC. Due to inexperience with intracorporeal urinary diversion, most surgeons have performed RARC with extracorporeal urinary diversion. 4 As the technology develops, urinary diversion should be performed intracorporeally along with RC.
Background: To report the surgical techniques and results of robot-assisted radical cystectomy (RARC) with intracorporeal Mainz Ⅱ rectosigmoid pouch at our centre. Methods: Two female patients were treated with this procedure. Construction of the pouch was divided into four main steps: incision of the rectum and sigmoid colon, closure of the posterior wall of the pouch, reimplantation of the ureters at the bottom of pouch in an anti-reflux manner, and closure of the anterior wall. Surgical results and perioperative complications were assessed. Results:The operations were performed completely intracorporeally. No perioperative complications were observed. Postoperatively, high-grade invasive urothelial carcinoma was detected. On postoperative day 60, no bilateral ureteral dilation was detected. Two patients demonstrated total continence. Clinical recurrence was not observed during the follow-up period.Conclusions: With careful patient selection, robot-assisted intracorporeal Mainz Ⅱ rectosigmoid pouch might be a simple minimally invasive surgical technique to be evaluated in repeated applications. K E Y W O R D Sbladder cancer, continent urinary diversion, Mainz Ⅱ rectosigmoid pouch, robot-assisted radical cystectomy | INTRODUCTIONWorldwide, bladder cancer is the second most common cancer of the urinary tract and is associated with high morbidity and mortality. Urothelial carcinoma accounts for nearly 90% of all primary bladder tumours. 1,2 Radical cystectomy (RC) is now considered the gold standard for the treatment of muscle-invasive urothelial bladder cancer or high-grade, recurrent non-muscleinvasive bladder tumours. [2][3][4] However, both open radical cystectomy and laparoscopic radical cystectomy with continent or incontinent urinary diversion are standard procedures associated with a risk for severe complications. Conversely, robot-assisted radical cystectomy (RARC) has been reported to reduce morbidity and mortality after RC. Due to inexperience with intracorporeal urinary diversion, most surgeons have performed RARC with extracorporeal urinary diversion. 4 As the technology develops, urinary diversion should be performed intracorporeally along with RC.
SamenvattingDoel van de studie was evaluatie van de beschikbare literatuur over de kans op succes van urinedeviaties al dan niet met cystectomie bij patiënten met bekkenpijnsyndroom / interstitiële cystitis. Er werden drie reviews gevonden en nul gerandomiseerde trials. In de 21 geselecteerde case series werden in totaal 475 patiënten geïncludeerd. De kans op succes van een urinedeviatie was 81%. Voorspellers voor de kans op succes (aanwezigheid van een Hunnerse laesie en kleine blaascapaciteit) konden niet worden bevestigd vanwege de heterogeniteit van de studies. Urinedeviatie in combinatie met verwijdering van de blaas was na cystectomie succesvol in 96% van de gevallen, na partiële cystectomie in 75% en na urinedeviatie en zonder cystectomie in 79% van de gevallen. Concluderend kan worden gesteld dat harde wetenschappelijke onderbouwing voor of tegen een urinedeviatie bij bekkenpijnsyndroom / interstitiële cystitis ontbreekt, omdat de (best goede) resultaten in de case series alleen kunnen worden geïnterpreteerd met inachtneming van (inclusie)bias. Op grond hiervan moeten therapiekeuzes nog steeds op individuele basis worden gemaakt.
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