排尿體位對(duì)青年男性尿流率和殘余尿的影響

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Effects of voiding positions on uroflowmetry parameters and post voided residual in young men

WANG Songyang SI Feng WEN Jianguo LIU Yakai FAN Maochuan ZHANG Huiqing

（1.Department of Urology，The First Affiliated Hospital of Xinxiang Medical College，Xinxiang 453100； 2.Department of Urology，The First Affiliated Hospital of Zhengzhou University，Henan Joint International Pediatric Urodynamic Laboratory，Zhengzhou 450052； 3.Department of Pediatric Surgery，The First Affiliated Hospital of Xinxiang Medical University，Xinxiang 453100，China）ABSTRACT：ObjectiveTo investigate the impacts of voiding positions on urinary flow measurement （UFM） and post voided residual （PVR） in young males，to explore a better voiding position，and to provide reference for the clinical application of UFM.MethodsA total of 43 male medical students （22-28 years old，all healthy with no lower urinary tract symptoms） from the First Affiliated Hospital of Xinxiang Medical College were enrolled.UFM was recorded in standing position，forward-bentding sitting position and sitting position，respectively.PVR was determined with B-ultrasound immediately after each voiding.Voided volume （VV），maximum urine flow rate （Qmax），average urine flow rate （Qave） and PVR were compared.ResultsIn the standing，forward-bending sitting，and seating positions the VV were 211.6 （169.5，265.9） mL，206.8 （173.5，262.8） mL，and 203.7 （175.9，260.0） mL，respectively，with no significant difference （P=0.486）； the Qmax were （26.00±233） mL/s，（26.41±2.12） mL/s，and （23.50±2.52） mL/s，respectively； the Qave were （14.03±2.21） mL/s，（14.27±2.18） mL/s，and （11.77±1.89） mL/s，respectively； the PVR were （9.97±2.26） mL，（9.43±1.97） mL and （12.10±3.28） mL，respectively.The Qmax and Qave in standing position and forward-bending sitting position were significantly higher than those in the sitting position，while the PVR was lower than that in the sitting position，with statistically significant difference （P＜005）.There were no significant differences in Qmax，Qave and PVR between the forward-bending sitting and standing positions （P>0.05）.ConclusionStanding position and forward-bending seating position are beneficial for emptying the bladder，and these two positions are recommended for young men to  urinate as the first choice.

KEY WORDS：voiding position； urine flow measurement； post voided residual； young males摘要：目的研究排尿體位對(duì)健康青年男性尿流測定（UFM）和殘余尿（PVR）的影響，探討男性更佳的排尿體位，為臨床應(yīng)用UFM評(píng)估膀胱功能和規(guī)范測定方法提供參考。（剩余6707字）