Abstract
To describe the evolution of robotic laparoendoscopic single-site radical prostatectomy (R-LESS-RP) performed with the daVinci Single-Site Platform® and a home-made multiport aimed to overcome classical drawbacks of LESS, still present with this platform. Between 09/2015 and 06/2017 12 patients underwent R-LESS RP for clinical localized prostate cancer. Following a "phase 1 (development-stage)" innovation, development, exploration, assessment, long-term study (IDEAL) framework, different solutions were drawn to overcome drawbacks of daVinci Single-Site Platform®, included 3 (A, B, and C) multi-ports developed and evaluated in term of advantages/drawbacks concerning ergonomy. The end points of this study were: feasibility, safety, efficacy, by reporting rational description of multiports configuration, demographics, perioperative variables, functional and oncological results. Semi-flexible robotic 5-mm needle-holder instead of Maryland forceps, 30° lenses up and barbed-suture allowed overcoming limits of robotic-platform. Multiport-C (GelPOINT Advanced-Access® and an extra 8-mm robotic trocar outside the multiport) showed the best compromise to ensure both surgeon and bed-side assistant to reproduce a standard robotic procedure. No conversion to either standard robotic or open technique or intraoperative complications occur in any case. Two patients experienced "high-grade" Clavien-Dindo complications. After 12.4 months follow-up, all patients were continent without any sign of biochemical relapse and among 5 preoperative potent patients submitted to nerve-sparing dissection, 4 reported good erectile-function. R-LESS-RP is feasible and safe in the hands of experienced minimally-invasive surgeons. Do date, we recommend a hybrid solution with a home-made multiport and use of an additional standard robotic trocar which allows the use endowrist® technology instruments.
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