 Transurethral resection of the prostate TURP represents the gold standard in the operative management of benign prostatic hyperplasia BPH and the transurethral resection of bladder tumor TURBT is the first-line surgical treatment for bladder tumors. One of the most important complications of urological endoscopic resections is intraoperative and postoperative bleeding requiring blood transfusion. Allogeneic blood transfusion is not free of risks, like infection transmission, hemolytic reactions, transfusion-related lung injury, fluid overload, increased costs and hospital length of stay. 