Results: RUV before and after surgery 1 month were 88.13 ±28.02ml and 20.63 ±17.81ml; uroflowmetry before and after surgery 1 month were 9.13 ±4.00 ml / s and 17.68 ±3.68ml / s, IPSS before surgery 20.25 ±5.28, after surgery 1 month 2.31 ​​±7.25, and 8.57 ±5.32 (after 3 months); QoL before surgery 4.88 ±0.64, after surgery 1 month 1.88 ±0.64, and 1.46 ±2.14 (after 3 months).