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JU INSIGHT: Robot-Assisted Radical Prostatectomy Using the KangDuo Surgical Robot-01 System: A Prospective, Single-Center, Single-Arm Clinical Study
By: Shubo Fan, MS; Zhongyuan Zhang, MD; Jie Wang, MS; Shengwei Xiong, BS; Xiaofei Dai, MD; Xu Chen; Zhihua Li, BS; Guanpeng Han, BS; Jun Zhu, MS; Han Hao, MD; Wei Yu, MD; Liang Cui, MD; Cheng Shen, MD; Xuesong Li, MD; Liqun Zhou, MD | Posted on: 01 Jul 2022
Fan S, Zhang Z, Wang J et al: Robot-assisted radical prostatectomy using the KangDuo Surgical Robot-01 system: a prospective, single-center, single-arm clinical study. J Urol 2022; 208: 119.
Study Need and Importance
Prostate cancer is considered the second most common cancer in men all over the world. Radical prostatectomy is currently the standard strategy for management for localized prostate cancer. The oncologic and functional results of robot-assisted radical prostatectomy with the da Vinci® robotic system are reportedly comparable or superior to those of open and laparoscopic radical prostatectomy. Furthermore, the robot-assisted radical prostatectomy offers significantly improved perioperative parameters, superior ergonomics, shorter learning curve and fewer complications. However, the costs of robotic surgery remain a concern and the development of technology calls for diversification with more innovation. Development of new robotic surgery platforms is extremely important. The KangDuo surgical robot is completely self-developed and has all independent intellectual property rights (see Figure). We aim to evaluate the feasibility, safety and effectiveness of the KangDuo surgical robot for robot-assisted radical prostatectomy.
What We Found
Robot-assisted radical prostatectomy using the KangDuo surgical robot was performed in 16 patients by 1 surgeon. All surgeries were performed without conversion to open, laparoscopic or robotic surgery with the da Vinci robotic system. There were no severe (Clavien–Dindo grade ≥3) perioperative complications or major technical problems. The median docking time and console time were 5.9 (range 2.5–11.5) and 87 minutes (range 70–120), respectively. The positive surgical margin rate was 25% (4/16) and the continence rate was 87.5% (14/16) at 1 month after catheter removal.
Limitations
The main limitations lie in a small sample and a short followup, and no comparison to the da Vinci robotic system was performed.
Interpretation for Patient Care
Safe and effective management of localized prostate cancer is feasible using the KangDuo surgical robot. The KangDuo surgical robot might offer a new option for minimally invasive surgery.