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目的探讨在静止期尿道压力测定中测压灌注速度、测压管牵引速度2个参数的较优组合。方法对30例前列腺增生症患者采用尿动力学分析仪及选定4组测压灌注速度、测压管牵引速度的参数组合(1mL.min-1、1mm.s-1,1mL.min-1、2mm.s-1,2mL.min-1、1mm.s-1,2mL.min-1、2mm.s-1)行静止期尿道压力测定,并对最大尿道压(max urethral pressure,MUP)、最大尿道闭合压(max closure pressure,MCP)以析因设计的F检验进行统计分析。结果 30例患者中,测压灌注速度、测压管牵引速度参数组合分别为1 mL.min-1、1mm.s-1,1mL.min-1、2mm.s-1,2mL.min-1、2mm.s-1时MUP、MCP压力值均明显低于测压灌注速度、测压管牵引速度参数组合为2mL.min-1、1mm.s-1时,差异均有统计学意义(均P<0.05)。结论不同的测压灌注速度、测压管牵引速度的组合对静止期尿道压力测定结果有明显的影响,以测压灌注速度2mL.min-1、测压管牵引速度1mm.s-1测得静止期尿道压力为较优组合。
Objective To investigate the optimal combination of two parameters of pressure-measuring perfusion speed and pressure-measuring tube towing speed in resting urethral pressure measurement. Methods Thirty patients with benign prostatic hyperplasia were enrolled in this study. Urine dynamic analyzer and the parameters combination of 4 groups (1 mL.min-1, 1 mm.s-1, 1 mL.min-1) , 2mm.sup.-1, 2mL.min-1, 1mm.s-1, 2mL.min-1 and 2mm.s-1) were measured at rest phase and the max urethral pressure (MUP) , Max closure pressure (max closure pressure, MCP) was analyzed by factorial design F test. Results Among the 30 patients, the combination of pressure-measuring perfusion rate and pressure-tube pulling speed was 1 mL.min-1, 1 mm.s-1, 1 mL.min-1, 2 mm.s-1, 2 mL.min- , 2mm.s-1 MUP, MCP pressure values were significantly lower than the rate of pressure perfusion, pressure pipe pulling speed parameter combination of 2mL.min-1, 1mm.s-1, the difference was statistically significant (both P <0.05). Conclusions The combination of different pressure-measuring perfusion speed and piezometric tube traction speed has significant effect on resting urethral pressure measurement. The measured perfusion velocity is 2mL.min-1 and piezometric tube traction speed is 1mm.s-1 Quiet urinary tract pressure for the better combination.