Abstract
To describe the crucial factors related to the implementation of the da Vinci single-port (SP) system (Intuitive Surgical Inc., Sunnyvale, CA, USA), and the early outcomes after the introduction of this robot for robot-assisted radical prostatectomy (RARP). We prospectively collected data from 50 consecutive patients with prostate adenocarcinoma who underwent RARP using this robot. The median follow-up was 53days. We performed a transperitoneal technique. The robotic (multiport) trocar was placed on the supra-umbilical midline 20cm from the pubis and an assistant trocar placed in the right lower quadrant. We report our initial experience describing the intra- and postoperative outcomes associated with this new robot. Also, we report the early functional and oncological outcomes in the follow-up period considered. Continuous variables were described as medians and interquartile ranges, while categorical variables as frequencies and proportions. The median total operative time was 118min, median console time was 80min, and median estimated blood loss was 50mL. There were no intraoperative complications or blood transfusions. The final pathology reported 18% Grade Group (GrGp)1, 58% GrGp2, 18% GrGp3, 2% GrGp4, and 4% GrGp5. In all, 40 patients (80%) were pT2 and 20% were ≥pT3a. The overall positive surgical margin rate was 14%. In all, 39 patients (78%) achieved full continence at median of 21days after RARP. The median pain scale (0-10) score at 8, 12 and 16h after RARP was 2, 2, and 0, respectively. The use of the da Vinci SP robot with an additional assistant port for RARP is technically safe and feasible, with acceptable short-term functional and oncological outcomes. However, there is a technical learning curve for this new platform due to the smaller scope of the operative field and the decreased flexibility and strength of the surgical instruments.
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