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A Multi-Institutional Experience With Robotic Ureteroplasty With Buccal Mucosa Graft: An Updated Analysis of Intermediate-Term Outcomes

      OBJECTIVE

      To update our prior multi-institutional experience with robotic ureteroplasty with buccal mucosa graft and analyze our intermediate-term outcomes. Although our previous multi-institutional report provided significant insight into the safety and efficacy associated with robotic ureteroplasty with buccal mucosa graft, it was limited by small patient numbers.

      METHODS

      We retrospectively reviewed our multi-institutional database to identify all patients who underwent robotic ureteroplasty with buccal mucosa graft between October 2013 and March 2019 with ≥12 months follow up. Indication for surgery was a complex proximal and/or middle ureteral stricture not amenable to primary excision and anastomosis secondary to stricture length or peri-ureteral fibrosis. Surgical success was defined as the absence of obstructive flank pain and ureteral obstruction on functional imaging.

      RESULTS

      Of 54 patients, 43 (79.6 %) patients underwent an onlay, and 11 (20.4%) patients underwent an augmented anastomotic robotic ureteroplasty with buccal mucosa graft. Eighteen of 54 (33.3%) patients previously failed a ureteral reconstruction. The median stricture length was 3.0 (IQR 2.0-4.0, range 1-8) centimeters. There were 3 of 54 (5.6%) major postoperative complications. The median length of stay was 1.0 (IQR 1.0-3.0) day. At a median follow-up of 27.5 (IQR 21.3-38.0) months, 47 of 54 (87.0%) cases were surgically successful. Stricture recurrences were diagnosed ≤2 months postoperatively in 3 of 7 (42.9%) patients, and ≥10 months postoperatively in 4 of 7 (57.1%) patients.

      CONCLUSION

      Robotic ureteroplasty with buccal mucosa graft is associated with low peri-operative morbidity and excellent intermediate-term outcomes.
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