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Aim Blood tests are routinely performed as a part of pre-operative assessment (pre-op). We looked at the number of group and save (G+S) samples taken at pre-op and compared that to the number of patients needing blood transfusion having undergone common Urological procedures at our hospital. Our objective was to assess the utility of this invasive procedure in this clinical setting. Method Data was retrospectively collected from electronic patient records on 413 patients undergoing elective urological procedures 1st June 2020 to 30th September 2020 at Colchester General Hospital. Major procedures like radical prostatectomies, nephrectomies were excluded. Patients who had G+S samples done prior to surgery were checked. This was compared to the patients who required transfusions. Results Amongst 413 patients who underwent an elective urological procedure, 169(41%) were day-case endoscopic, 151(37%) were inpatient, and 93(22%) were penoscrotal procedures. 104(25%) patients had G+S taken, with only 5 patients (1.2%) requiring transfusion. 24(14.2%) patients undergoing day case procedures,79(52.3%) patients undergoing inpatient procedures and 1(1.1%) patient undergoing penoscrotal procedures had G+S tests done. Only 7(1.7%) patients had a baseline haemoglobin of less than 100. Conclusions Our data showed that many G+S samples were unnecessary. TURBTs (transurethral resection of bladder tumours) were most likely to need transfusion. Education was fed-back to those running pre-operative assessment clinics that G+S should be considered for TURBTs and those with Hb &amp;lt; 100. We recommend running this audit again to further quantify the G+S tests which could be avoided.

696 Are Group and Save Samples Necessary for Common Urological Procedures?