We investigated whether finasteride given before transurethral vapor resection (TUVRP) treatment has an impact on intra- and postoperative bleeding. Forty-two patients with diagnosis of benign prostatic hyperplasia (BPH) who had prostate volume (PV) > 30 mL underwent TUVRP: group A (n=21) received preoperatively finasteride 5 mg per day for median time of 7 months and group B (n=21) no finasteride. Preoperative evaluation include assessment of International Prostatic Symptom score (IPSS), Quality of Life (QoL), PV, maximum flow rate (Qmax) and postvoid residual (PVR). Patients mean age was 71.4± 2.1 vs 69.8 vs ± 3.4 years, respectively. Median PV was 55.5 ±21.2 vs 57.1 ±28.8 mL, respectively. Twenty-two (52%) patients had complete retention (29% vs 76%) (p<0.001). At baseline mean IPSS, QoL, Qmax and PVR were 18.1±5.9 vs 19.8±5.04, 3.3±1.7 vs 3.3±1.7, 8.1±4.4 vs 6.9±1.6 mL/s, and 146±106.9 vs 151.6±112.1 mL, respectively. The mean operation time was 59±16.8 vs 64±19.2 min, mean volume of irrigation fluid intraoperatively was 14.1±7.01 vs 15.2±8.1 L and postoperatively 7.0±2.1 vs 8.1 ±1.3 L, respectively. Mean blood loss was 312±85.9 vs 425±68.5 mL, respectively. The mean weight of resected tissue was 31.3±5.8 vs 30.75±8.4 gr, respectively. Mean duration of postoperative irrigation was 6.1 ± 4.7 vs 6.2 ±5.1 h, respectively. Thirty-six (85.7%) patients were discharged within 12 h postoperatively and the catheter is removed on 2.0±0.5 vs 2.5 ± 0.6 days, respectively. No patients received blood transfusion postoperatively. At 3 months postoperatively IPSS was 6.7±4.2 vs 5.2 ±2.01 (p<0.001), QoL 1.1±0.9 vs 1.1±0.7, Qmax 18.1±10.3 vs 17.5±8.1 mL/s (p<0.01) and PVR 41±46.1 vs 45±51.3 mL (p<0.05). The present study failed to demonstrate that preoperative treatment of BPH with finasteride did not have significant impact of perioperative bleeding at TUVRP.

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