Abstract
It is not uncommon to incidentally discover prostate cancer during the transurethral resection of the prostate (TURP) for the treatment of benign prostatic hyperplasia and necessitate a subsequent robotic-assisted radical prostatectomy (RARP). The study aims to evaluate whether TURP have negative influence on subsequent RARP. Through a literature search using MEDLINE, EMBASE and the Cochrane Library, 10 studies with 683 patients who underwent RARP after previous TURP and 4039 patients who underwent RARP only were identified for the purposes of the meta-analysis. Compared to standard RARP, RARP after TURP was related to longer operative time (WMD: 29.1min, 95% CI: 13.3-44.8, P < 0.001), more blood loss (WMD: 49.3ml, 95% CI: 8.8-89.7, P = 0.02), longer time to catheter removal (WMD: 0.93days, 95% CI: 0.41-1.44, P < 0.001), higher rates of overall (RR: 1.45, 95% CI: 1.08-1.95, P = 0.01) and major complications (RR: 3.67, 95% Cl: 1.63-8.24, P = 0.002), frequently demand for bladder neck reconstruction (RR: 5.46, 95% CI: 3.15-9.47, P < 0.001) and lower succeed in nerve sparing (RR: 0.73, 95% CI: 0.62-0.87, P < 0.001). In terms of quality of life, there are worse recovery of urinary continence (RR of incontinence rate: RR: 1.24, 95% CI: 1.02-1.52, P = 0.03) and potency (RR: 0.8, 95% CI: 0.73-0.89, P < 0.001) at 1 year in RARP with previous TURP. In addition, the RARP with previous TURP had greater percentage positive margins (RR: 1.24, 95% CI: 1.02-1.52, P = 0.03), while there is no difference in length of stay and biochemical recurrence rate at 1year. RARP is feasible but challenging after TURP. It significantly increases the difficulty of operation and compromises surgical, functional and oncological outcomes. It is important for urologists and patients to be aware of the negative impact of TURP on subsequent RARP and establish treatment strategies to lessen the adverse effects.
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