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Original Article

Hydrodynamics of Micturition in Stress-Incontinent Women

Comparisons of Pressure and Flow at Different Micturition Volumes in Stress-Incontinent and Continent Women

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Pages 1-9 | Received 08 Nov 1980, Published online: 15 Feb 2010
 

Abstract

The urethral flow, resistance and closure pressure and bladder pressures in 19 stress-incontinent but otherwise healthy women were compared with the same parameters in 19 healthy, continent women. The mcturition studies were performed at three predetermined levels of bladder filling. The urethral closure pressure, the pre-micturition intravesical pressure and detrusor pressure at micturition were significantly lower in the stress-incontinent women than in the continent group. The intravesical opening pressure showed no intergroup difference. The urethral and bladder pressure measurements in the incontinent women indicated musculo-elastic tissue with greater compliance and less contractility than in normal women.

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