[Oncologic and perioperative outcomes of robot-assisted radical cystectomy: A single-center prospective series]

The aim of this study was to report perioperative and oncological outcomes of robot-assisted radical cystectomy (RARC) in a single-center series and to evaluate the impact of the experience on perioperative outcomes.

Between March 2012 and January 2016, 41 patients underwent RARC associated with extended pelvic lymphadenectomy for muscle-invasive bladder cancer. All RARC included were performed by a single-surgeon in one center. Perioperative and oncological datas were collected prospectively. Recurrence-free (RFS), overall (OS) and cancer-specific survivals (CSS) were estimated using the Kaplan-Meier Method. The impact of the experience on perioperative data was estimated using Spearman's correlation test.

Mean age was 67,7years (±10.6). Most patients underwent neoadjuvant chemotherapy (73.2%). Mean operative time and mean estimated blood loss were respectively 319.5minutes (±85.3) and 662.5mL (±360.9). Eight patients needed perioperative blood transfusion (19.5%). Conversion to open surgery was necessary in 3 cases (7.3%). Ileal neobladder was performed in 26.8% of the cases (54.5% being performed intracorporeal), and non-continent urinary diversion in 73.2%. Mean nodal yield was 17.7 (±9.3). Positive surgical margins were observed in 1 patient (2.3%). Mean length of stay was 13.2 days (±9.8). Postoperative complication rate was 46,3%. After a median follow-up of 16months, estimated 2 year-OS and CSS were respectively 62 and 76.1%. Estimated 2-year RFS was 67.6%. Perioperative outcomes improved with experience with a significant decrease in operative time (P=0.04) and a significant increase of nodal yield (P=0.05).

In this single-center prospective study, satisfactory perioperative and oncological outcomes after RARC were observed despite the learning curve. Perioperative outcomes improved with surgeon's experience. Further studies are needed to confirm these findings.

4.

Progres en urologie : journal de l'Association francaise d'urologie et de la Societe francaise d'urologie. 2016 Aug 30 [Epub ahead of print]

Q Alimi, B Peyronnet, S-F Kammerer-Jacquet, M Lefevre, B Gires, R Mathieu, L Tondut, S Vincendeau, A Manunta, N Rioux-Leclercq, F Guille, K Bensalah, G Verhoest

Department of urology, CHU de Rennes, 2, rue Henri-Le-Guilloux, 35000 Rennes, France. Electronic address: ., Department of urology, CHU de Rennes, 2, rue Henri-Le-Guilloux, 35000 Rennes, France., Department of pathology, CHU de Rennes, 35000 Rennes, France.

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