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Clinical and pathophysiological correlates of the symptom severity of stress urinary incontinence

Jenn-Ming Yang¹, Shwu-Huey Yang, Shu-Yu Yang

¹Department of Obstetrics and Gynecology, Taipei Medical University, Taipei, Taiwan, Republic of China.

International Urogynecology Journal

|February 6, 2010

Abstract

Introduction And Hypothesis:

The pathophysiology of stress urinary incontinence (SUI) is multifactorial. The aim of this study was to explore the factor determining the symptom severity of SUI.

Methods:

One hundred twenty-four women with SUI were retrospectively investigated. Clinical data for analyses included demographics, pelvic organ prolapse quantification, SUI severity using a 4-point Likert scale, ultrasound, 1-h pad tests, and urodynamic studies. Data were analyzed using the Spearman's rho test and Kruskal-Wallis test.

Results:

The symptom severity was not correlated with risk factors of SUI or the morphologic manifestations representing urethral support defect, but was significantly correlated with urine loss on 1-h pad test, Valsalva leak point pressure (VLPP) grading, and maximum urethral closure pressure (MUCP). Women with higher SUI severity had greater urine loss on 1-h pad tests, worse VLPP grading, and lower MUCP.

Conclusions:

Urethral sphincter function appears to be an important determinant for the symptom severity of SUI.

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