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Int J Urol. 2008 Dec;15(12):1044-8. doi: 10.1111/j.1442-2042.2008.02180.x. Epub 2008 Nov 13.

Are voiding symptoms really associated with abnormal urodynamic voiding parameters in women?

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1
Department of Pelvic Reconstructive Surgery and Urogynaecology, St George's Hospital, St George's University of London, London, UK.

Abstract

OBJECTIVES:

To examine the relationship between voiding symptoms and objective measurements of voiding dysfunction.

METHODS:

We prospectively collected data from 116 consecutive women attending for urodynamic investigations. Symptoms of voiding dysfunction and objective voiding parameters including uroflowmetry and post-void residual volume were evaluated.

RESULTS:

Sixteen (14%) patients reported a symptom of straining, 21 (18%) double voiding, 32 (27%) post-micturition dribbling, 10 (8%) poor stream and 34 (29%) incomplete emptying. Using receiver-operator curves we were unable to determine a cut-off value for flow or residual volume where symptoms became more prevalent. Poor stream was, however, a good predictor for a residual volume of >100 mL and >150 mL. Strain predicted a residual volume of >100 and >150 mL and it correlated with maximum flow rate <15 mL/s. The other three symptoms did not correlate with any of the cut-off values.

CONCLUSIONS:

Poor steam and strain are weakly predictive of abnormal voiding function.

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