4.4 Article

Is Robotic Superior to Laparoscopic Approach for Radical Nephroureterectomy with Bladder Cuff Excision in Treating Upper Urinary Tract Urothelial Carcinoma?

Journal

JOURNAL OF ENDOUROLOGY
Volume 37, Issue 2, Pages 139-146

Publisher

MARY ANN LIEBERT, INC
DOI: 10.1089/end.2022.0154

Keywords

nephroureterectomy; robot; laparoscopy; upper urinary tract urothelial carcinoma

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This study compared the outcomes of robot-assisted radical nephroureterectomy (RANU) and laparoscopic nephroureterectomy (LNU) for the treatment of upper urinary tract urothelial carcinoma (UTUC). The results showed that RANU and LNU had similar perioperative and oncologic outcomes, but RANU had lower intraoperative blood loss and shorter postoperative length of hospital stay.
Background: Laparoscopic nephroureterectomy (LNU) has become popular in treating upper urinary tract urothelial carcinoma (UTUC) and an emerging trend was observed in robotic approaches. Therefore, we compared robot-assisted radical nephroureterectomy (RANU) and LNU for the treatment of UTUC.Materials and Methods: This observational and retrospective case-series study included UTUC patients who underwent LNU or RANU. A pure laparoscopic approach was adopted in the LNU treatment group, and bladder cuff excision (BCE) was performed mostly with the open approach. Either the da Vinci Si or Xi surgical system was used for RANU. Extravesical BCE was performed, and bladder defects were closed intracorporeally. Perioperative and oncologic outcomes were compared between the LNU and RANU groups.Results: A total of 231 patients who underwent RANU (n = 87) or LNU (n = 144) were included. No significant differences were noted between the groups in terms of demographics, tumor characteristics, operative time, catheter time, or complications. Compared with LNU, RANU had a lower intraoperative blood loss (30 vs. 150 mL, p < 0.001) and shorter postoperative hospital stay (8 vs. 9 days, p = 0.009). The 5-year overall survival, cancer-specific survival, and bladder recurrence-free survival were comparable between the groups.Conclusion: Compared with LNU, RANU had similar perioperative and oncologic outcomes but was superior in terms of intraoperative blood loss and postoperative length of hospital stay. However, considering the potential biases owing to the heterogeneity of our cases, the interpretation of the results must be very cautious.

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