There was no significant difference in the mean intraoperative intravesical pressure (24.5cmH2O in the CA-TURP group and 20.5cmH2O in the bipolar TURP group, p=0.44).

• 术中平均膀胱压力没有显著性差异（导管协助的单极电刀法24.；5公分水柱，双极电刀法20