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[Effect of age on urodynamic parameters of women with urinary incontinence].

[Effect of age on urodynamic parameters of women with urinary incontinence].
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Zhang WY, Zhang XP, Chen JW, Sun YR, Wang J, Hu H, Xu KX,


Zhang WY, Zhang XP, Chen JW, Sun YR, Wang J, Hu H, Xu KX, (click to view)

Zhang WY, Zhang XP, Chen JW, Sun YR, Wang J, Hu H, Xu KX,

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Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences 48(5) 825-829
Abstract
OBJECTIVE
To investigate age related changes in urodynamic parameters of women with urinary incontinence.

METHODS
From May 2008 to October 2015, a total of 214 patients diagnosed with urinary incontinence in Peking University People’s Hospital was involved in this study. Average age was (56.97±10.68) years, ranging from 30 to 82 years, and average history was (8.44±8.85) years, ranging from one month to 50 years. Urodynamic examinations of each patient were taken before operation routinely in Department of Urology, Peking University People’s Hospital. The urodynamic study was composed of non-invasive and invasive procedures. Analysis included maximal flow rate (Qmax), average flow rate, time to Qmax, voiding time, detrusor pressure at Qmax, maximal detrusor pressure, voided volume, post-void residual urine volume (PVR), the total capacity of bladder, first-, strong-, and urge-desire to void, cough leak point pressure (CLPP), and Valsalva leak point pressure (VLPP). Patients were divided into four groups according to age, Kolmogorov-Smirnov test and one-way ANOVA were used for data analysis.

RESULTS
A total of 214 patients were enrolled in this study. The data of Qmax, average flow rate, voided volume, and total capacity of bladder decreased with statistical significance. The value of residual urine volume and voiding time increased without statistical significance, while the value of maximal detrusor pressure decreased.

CONCLUSION
Urodynamic examination data of females with urinary incontinence changes along with the elapse of age, which was mainly observed as age ascends, and the changes in urodynamic parameters of women with urinary incontinence suggest that the value of Qmax, average flow rate, voided volume, and total capacity of bladder decreased significantly, while the value of PVR and the voiding time increased and the value of maximal detrusor pressure decreased.

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