Perioperative outcomes of open versus robot-assisted radical cystectomy in octogenarians: a population based analysis

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J Robot Surg


Octogenarians undergoing cystectomy experience higher morbidity and mortality compared to younger patients. Though the non-inferiority of robot-assisted radical cystectomy (RARC) compared to open radical cystectomy (ORC) has been established in a generalized population, the benefits of the robotic approach have not been well studied in an aged population. The National Cancer Database (NCDB) was queried for all patients who underwent cystectomy for bladder cancer from 2010 to 2016. Of these, 2527 were performed in patients age 80 or older; 1988 and 539 underwent ORC and RARC, respectively. On Cox regression analysis, RARC was associated with significantly reduced odds for both 30- and 90-day mortality (HR 0.404, p = 0.004; HR 0.694, p = 0.031, respectively), though the association with overall mortality was not significant (HR 0.877, p = 0.061). The robotic group had a significantly shorter length of stay (LOS) compared to open surgery (10.3 days ORC vs. 9.3 days RARC, p = 0.028). The proportion of cases performed robotically increased over the study period from 12.2% in 2010 to 28.4% in 2016 (p = 0.009, R(2) = 0.774). The study is limited by a retrospective design and a section bias, which was not completely control for in the analysis. In conclusion, RARC provides improved perioperative outcomes in aged patients compared to ORC and a trend toward greater utilization of this technique was observed.

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ePub ahead of print