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Objective: To investigate and document the surgical, functional and oncological outcomes following surgery for high-risk prostate cancer patients. Patients and methods: Patients with pathological T3a, T3b and N1 disease were extracted from our prospectively updated institutional database. Data include demographics, preoperative cancer parameters, short and long-term complications and functional results. Details of biochemical recurrence, type and oncological outcome of salvage treatments, cancer-specific and overall survival were also obtained. Results: A total of 669 patients were included; 58.9% had T3a disease, 35.9% had pT3b and 11.4% N1 disease. With a median follow-up of 66 months (8–129), overall survival was 94.3%, cancer-specific survival was 98.7% and biochemical recurrence was 45.6%. Average inpatient stay was 1 day and the overall complication rate was 9.1%; 54.2% experienced a biochemical recurrence and 90.3% went on to have one or more salvage treatments, which were varied. Significant predictors of biochemical recurrence included pathological stage, any positive margin and patient age ( PConclusions: Surgery is associated with encouraging surgical and functional outcomes, cancer-specific survival and overall survival rates in these patients. Pathological stage is a significant predictor of biochemical recurrence. The present analysis shows that long-term observation for certain patients with biochemical recurrence is appropriate and questions the effectiveness of further local salvage treatments in patients with an immediate biochemical recurrence postoperatively. Level of evidence: II

OBJECTIVES To define reference levels for intraoperative radiation during stent insertion, ureteroscopy (URS), and percutaneous nephrolithotomy (PCNL); to identify variation in radiation exposure between individual hospitals across the UK, between low- and high-volume PCNL centres, and between grade of lead surgeon. PATIENTS/SUBJECTS AND METHODS In all, 3651 patients were identified retrospectively across 12 UK hospitals over a 1-year period. Radiation exposure was defined in terms of total fluoroscopy time (FT) and dose area product (DAP). The 75th percentiles of median values for each hospital were used to define reference levels for each procedure. RESULTS Reference levels: ureteric stent insertion/replacement (DAP, 2.3 Gy/cm2 ; FT, 49 s); URS (DAP, 2.8 Gy/cm2 ; FT, 57 s); PCNL (DAP, 24.1 Gy/cm2 ; FT, 431 s). Significant variations in the median DAP and FT were identified between individual centres for all procedures (P 50 cases/annum), at a median DAP of 15.0 Gy/cm2 vs 4.2 Gy/cm2 (P

To define reference levels for intraoperative radiation during stent insertion, ureteroscopy (URS), and percutaneous nephrolithotomy (PCNL); to identify variation in radiation exposure between individual hospitals across the UK, between low- and high-volume PCNL centres, and between grade of lead surgeon.In all, 3651 patients were identified retrospectively across 12 UK hospitals over a 1-year period. Radiation exposure was defined in terms of total fluoroscopy time (FT) and dose area product (DAP). The 75th percentiles of median values for each hospital were used to define reference levels for each procedure.Reference levels: ureteric stent insertion/replacement (DAP, 2.3 Gy/cmThis multicentre study is the largest of its kind. It provides the first national reference level to guide fluoroscopy use in urological procedures, thereby adding a quantitative and objective value to complement the principles of keeping radiation exposure 'as low as reasonably achievable'. This snapshot of real-time data shows significant variation around the country, as well as significant differences between low- and high-volume centres for PCNL, and grade of lead surgeon for stent procedures.

INTRODUCTION AND OBJECTIVES:There is currently limited data to define reference levels for the use of ionising radiation in urological procedures. In this multicentre UK study, we utilise methodolo...