PMID: 8583602Mar 1, 1996Paper

The obstructive effect of a urethral catheter

The Journal of Urology
J M ReynardP H Abrams

Abstract

The effect of a urethral catheter on pressure-flow relationships of the urethra has important implications for the practice to this question in the past in men with benign prostatic hyperplasia. We assessed the obstructive effect of an 8 Ch. urethral catheter in men who presented with lower urinary tract symptoms due to benign prostatic hyperplasia. During combined pressure-flow studies 59 men completed 2 voids of similar volume with and without a urethral catheter in situ. Maximum flow rate, detrusor pressure at maximum flow and the group of specific urethral resistance factor were measured and compared between these 2 voids. There was no significant difference in maximum flow rate between voids (with catheter 9.1 ml. per second versus without catheter 8.6 ml. per second). Although detrusor pressure was significantly greater with the urethral catheter in situ (80 versus 67 cm. water), voids (with catheter 42.1 cm, water versus without catheter 36.6 cm water). A 8 Ch. catheter does not appear to have a significant obstructive effect in the urethra. This finding has important implications for the practice and interpretation of pressure-flow studies.

References

Dec 1, 1991·Statistics in Medicine·D G Altman
Apr 1, 1968·British Journal of Urology·J C Smith

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Citations

Dec 24, 2004·Neurourology and Urodynamics·Elisabetta CostantiniMassimo Porena
Oct 7, 2005·Neurourology and Urodynamics·Chad HuckabayVictor W Nitti
Jun 23, 2012·International Urogynecology Journal·Françoise A ValentiniPierre P Nelson
Jun 27, 2002·Current Urology Reports·C E Kelly, R J Krane
Nov 14, 2002·Urology·Adam P KlausnerJonathan M Vapnek
Sep 8, 2001·Current Opinion in Obstetrics & Gynecology·D Gordon, A Groutz
Apr 16, 1998·International Journal of Urology : Official Journal of the Japanese Urological Association·Y HommaT Yamaguchi
Dec 4, 2012·Indian Journal of Urology : IJU : Journal of the Urological Society of India·Katelyne HubeauxGérard Amarenco
Sep 29, 2011·Neurourology and Urodynamics·C HardingA C Thorpe
Feb 10, 2004·The Journal of Urology·Andrew A WagnerPhilip G Ransley
May 29, 2004·Anesthesiology·Peter W KuipersCor J Kalkman
Oct 13, 2006·Current Opinion in Urology·A W Thomas, P Abrams
Aug 28, 2016·The Journal of International Medical Research·Bi Song ZhuYuan Li
Apr 17, 2002·The Journal of Urology·Prakash Maniam, Howard B Goldman
May 23, 2015·Neurourology and Urodynamics·Stuart B BauerUNKNOWN International Children's Continence Society Standardization Subcommittee

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