Micturition Studies in Infants and Children: Influence of an Indwelling Urethral Catheter and of Rectal Pressure Recording

Abstract

The influence on micturition of a 5 F urethral catheter was studied with simultaneous measurement of intravesical pressure and urinary flow in 17 boys aged the maximal flow is related to micturition volume (von Garrelts, 1957;Backman, 1966;Aberle & Krepler, 1969;Gierup, 1970), the comparison was made using micturitions of approximately equal volume. There was no significant difference between the volumes (Student's 1-test).Rectal pressure was recorded by means of a rectal balloon made of thin rubber which, before introduction into the rectum, was filled with about 5 ml air, without the pressure exceeding atmospheric pressure. It was then emptied and, when in position in the rectum, refilled Scand I Urol Nephrol4Scand J Urol Nephrol Downloaded from informahealthcare.com by York University Libraries on 12/27/14For personal use only. J . Gierup et al. -702928Scand I Urol Nephrol4Scand J Urol Nephrol Downloaded from informahealthcare.com by York University Libraries on 12/27/14For personal use only. 113.studies of bladder function in female children with recurrent urinary tract infection. Invest Urol 3, 278. Scand J Urol Nephrol4Scand J Urol Nephrol Downloaded from informahealthcare.com by York University Libraries on 12/27/14For personal use only.