ArticleInternational braz j urol : official journal of the Brazilian Society of Urology
Robotic-Assisted Laparoscopic Buccal Mucosal Graft Ureteroplasty and Ureteral Reim-plantation for Repair of Complex Ureteral Strictures Using the Modular Carina™ System.
Article in International braz j urol : official journal of the Brazilian Society of Urology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- From cheek to ureter: initial experience and learning curve of single-port robotic buccal mucosa graft ureteroplasty for complex strictures.Journal of robotic surgery · 2026Article
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7 authors.
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Abstract
purposeMultifocal ureteral strictures pose significant challenges for reconstructive surgery due to their segmental distribution and the need to preserve the ureteral blood supply (1, 2). Robotic-assisted surgery, owing to its precision and minimally invasive advantages, has increasingly become a preferred approach (3). Although the da Vinci surgical system has long dominated this field, several novel robotic platforms have recently emerged with comparable safety and efficacy (4, 5). This study reports our experience with robotic-assisted laparoscopic buccal mucosal graft ureteroplasty combined with ureteral reimplantation for complex ureteral stricture repair using the modular Carina™ robotic surgical system. MATERIALS AND
methodsA 32-year-old man presented with a one-month history of flank pain and was found to have both proximal and distal ureteral strictures. Using the modular Carina™ robotic system, the procedure was performed as follows: dissection of the proximal stricture, longitudinal ureterotomy, posterior augmented anastomosis, harvesting of buccal mucosa for ventral onlay grafting; followed by dissection of the distal ureteral stricture and bladder wall and completion of a side-to-side ureterovesical anastomosis.
resultsThe procedure was completed successfully without conversion, with a total operative time of 272 minutes. The patient was discharged on postoperative day 7. Histopathological examination revealed granulomatous inflammation, and anti-tuberculosis therapy was initiated. The double-J stent and nephrostomy tube were removed 2 months postoperatively. During an 8-month follow-up, the patient's symptoms resolved, imaging demonstrated improvement of hydronephrosis, renal function remained stable, and no postoperative complications were observed.
conclusionsRobotic-assisted reconstructive surgery for complex ureteral strictures using the modular Carina™ robotic system is technically feasible. However, larger studies with longer follow-up are required to validate these preliminary findings.
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