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Updated: Jan 15, 2026
Retzius-Sparing Robot-Assisted Radical Prostatectomy
Published on: May 19, 2022
Comparison of Perioperative Outcomes Between da Vinci XI and da Vinci SI/SP Robotic Radical Prostatectomies: A
Si Ge1, Zhiqiang Zeng2, Lei Zheng3
1Department of Urology, Nanchong Central Hospital, The Second Clinical College, North Sichuan Medical College (University), Nanchong, Sichuan, China. gesi822927@126.com.
Background:
This study aimed to compare perioperative outcomes between da Vinci XI and da Vinci SI or SP robotic radical prostatectomies.
Methods:
The study systematically searched four databases: Embase, PubMed, Cochrane Library, and Web of Science. The search time ranged from database creation to July 2025. Statistical analysis was performed using Stata17. Effect denoted a continuous variable, whereas OR/RR denoted a binary variable, and the 95 % confidence interval (CI) was calculated.
Results:
The seven included studies involved 2297 patients undergoing robotic radical prostatectomy. Compared with SP, XI had a longer hospital stay (effect, 0.91; 95 % CI 0.04-1.77; P < 0.05). Compared with SI, XI had a lower positive margin rate (odds ratio, 0.74; 95 % CI 0.57-0.97; P < 0.05). Operation time, estimated blood loss, overall complications, and major complications did not differ among XI, SI, and SP.
Conclusion:
Compared with SP, XI's hospital stay appeared to be longer. Compared with SI, XI seemed to have a lower positive surgical margin. However, more research is needed to determine differences in oncology outcomes and cost-effectiveness among several robotic surgical platforms.
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