经腹超声测量膀胱质量检测膀胱出口梗阻的价值

The value of ultrasonic measurement of bladder weight in the detection of the bladder outlet obstruction

目的:探讨经腹超声测量膀胱质量(ultrasound-estimated bladder weight,UEBW)对膀胱出口梗阻(bladder outlet ob-struction,BOO)的临床意义及尿动力学指数的相关性。方法:将有下尿路症状的70例患者分为膀胱出口梗阻组、非膀胱出口梗阻组和对照组,比较组间的UEBW与年龄、最大尿流率、残余尿量、国际前列腺症状评分的差异。结果:梗阻组与非梗阻组、对照组UEBW比较,P<0.001,有显著性意义。单回归曲线中UEBW与残余尿量有显著相关性(r=0.49;P<0.001)。它对BOO的诊断准确率为87.1%(61/70),假阳性率和假阴性率分别为11.4%(5/44)、14.3%(3/21)。结论:UEBW可作为一种非侵袭性预测BOO的指标,有广泛的临床应用价值。

Objective： To predict the clinical utility for bladder outlet obstruction （BOO） using ultrasound-estimated bladder weight （UEBW） and to reveal the correlation of UEBW with urodynamics tests. Methods： A total of 70 men with lower urinary symptoms were divided into BOO group, non-BOO group and control group. UEBW of the subgroups was compared with age, maximum flow rate, postvoid residual urine, and international prostatic symptoms scores （IPSS）. Results： UEBW of Boo greup was statistical significance compared to non-Boo group and controegroup （ P 〈 0.001）. In a simple regression analysis, there was a statistically significant correlation between UEBW and postvoid residual urine （ r = 0.49; P 〈 0.001）. It revealed a diagnostic accuracy of 87.1% （61/70） for bladder outlet obstruction with 11.4% （5/44） and 14.3% （3/21） false-positive and false-negative rates, respectively. Conclusion： UEBW may be used to predict BOO noninvasively and it has an extensive clinical utility.