Robot assisted radical prostatectomy in kidney transplant recipients: surgical, oncological and functional outcomes of two different robotic approaches

Vol. 45 (x): 2019 January 1.[Ahead of print]

doi: 10.1590/S1677-5538.IBJU.2018.0308


Francesco Alessandro Mistretta 1, Antonio Galfano 2, Ettore Di Trapani 1, Dario Di Trapani 2, Andrea Russo 1, Silvia Secco 2, Matteo Ferro 1, Gennaro Musi 1, Aldo Massimo Bocciardi 2, Ottavio de Cobelli 1
1 Department of Urology, European Institute of Oncology, Milan, Italy; 2 Department of Urology, Niguarda Hospital, Milan, Italy


Background: To date, few series on robot-assisted radical prostatectomy (RARP) in kidney transplant recipients (KTRs) have been published.

Purpose: To report the experience of two referral centers adopting two different RARP approaches in KTRs. Surgical, oncological and functional results were primary outcomes evaluated in the study.

Material and methods: We retrospectively analyzed data from 9 KTRs who underwent transperitoneal RARP or Retzius-sparing RARP for PCa from October 2012 to April 2016.

Data were reported as median and interquartile range (IQR). Pre- and postoperative outcomes were compared by non-parametric Wilcoxon signed-rank test. Significant differences were accepted when p ≤ 0.05. Overall survival was assessed using Kaplan-Meier method. Results: Four KTRs underwent a T-RARP and 5 a RS-RARP. Patient median age was 60 (56-63) years. Charlson comorbidity index was 6 (5-6). Preoperative median PSA was 5.6 (5-15) ng / mL. Preoperative Gleason score (GS) was 6 in 5 patients, 7 (3 + 4) in 3, and 8 (4 + 4) in one. Pre- and postoperative creatinine were 1.17 (1.1; 1.4) and 1.3 (1.07; 1.57) mg / dL (p = 0.237), while eGFR was 66 (60-82) and 62 (54-81) mL / min / 1.73m2 (p = 0.553), respectively.

One (11.1%) Clavien-Dindo grade II complication occurred. Two extended template lymphadenectomies were performed, both with nodal invasion. These two patients experienced a biochemical recurrence and were subjected to RT. Two patients (22.2%) had PSMs. Median follow-up was 42 months. Seven patients (77.8%) were continent, 5 (55.6%) were potent. Two (22.2%) patients died during follow-up for oncologic unrelated causes. Conclusions: Our series suggests that both RARP approaches are safe and feasible techniques in KTRs for PCa.

Keywords: Kidney Transplantation; Prostatic Neoplasms; Prostatectomy; Robotics

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