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一般认为导尿测残余尿量准确性高,可用于评价许多泌尿系疾病。作者对导尿测残余尿量的准确性进行了研究。 515例排尿功够异常的病人中,男222例,女293例,15岁以下的儿童50例,长期留置尿管51例,全部病人无膀胱输尿管返流或膀胱憩室。常规消毒用12F导尿管经润滑后导尿测残余尿量作为最初残余尿量(简称最初量),即刻经同一导管将10ml造影剂注入膀胱,5分钟内排空膀胱,在透视下确定膀胱内无造影剂。将第二次导出的残余尿量减去10ml造影剂再加上最初量为实际残尿量(简称实际量)。如果残尿量不增加,则最初量等于实际量。将病人分为两组,A组264例,采用常规方法导尿;B组251例,导尿时加用其它辅助方法(耻骨上加压、推拉或捻转尿管、注射器抽吸等)。A组116例男性患者,经透视证实最初量不准确者35例(30％)最初量0～600ml,平均133ml;实际量为15～800ml,平均199ml,最初量与实际量的平均差为76ml(标准差76ml),B组106例男病
It is generally believed that the residual urine volume measured by catheterization is highly accurate and can be used to evaluate many urological diseases. The author studied the accuracy of catheterization residual urine volume. Among 515 patients with abnormal voiding dysfunction, there were 222 males and 293 females, 50 children under 15 years of age and 51 long-term indwelling catheters. All patients had no vesicoureteral reflux or bladder diverticula. Routine disinfection with 12F catheter after lubrication residual urine volume catheterization as the initial residual urine volume (referred to as the initial volume), immediately through the same catheter 10ml contrast medium into the bladder, emptying the bladder within 5 minutes, under the fluoroscopy to determine the bladder No contrast agent. The second deduction of residual urine volume minus 10ml contrast medium plus the initial amount of actual residual urine (referred to as the actual amount). If the residual urine does not increase, the initial amount is equal to the actual amount. The patients were divided into two groups, 264 cases in group A, and catheterization was performed by conventional method. In group B, 251 cases were assisted with other auxiliary methods (pressure on suprapubic pusher, push and pull or twist catheter, syringe suction, etc.). A group of 116 male patients, confirmed by fluoroscopy inaccurate initial volume of 35 patients (30%) initial volume of 0 ~ 600ml, an average of 133ml; the actual amount of 15 ~ 800ml, an average of 199ml, the initial difference between the actual amount of 76ml (Standard deviation 76ml), B group 106 cases of male disease