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Pelvic floor muscle contraction and maximum urethral closure pressure

Abstract : The aim of this study was to precise the relationship between the pelvic floor muscle (PFM) contraction and the maximum urethral closure pressure (MUCP) at rest and during a containing effort. Longitudinal study, observational, single-center retrospective performed in successively 358 women addressed for urodynamics. MUCP at rest and during a containing effort, gain of MUCP, functional urethral length (FUL), scores USP and ICQ-SF, cervico-urethral mobility (CUM) according to POP-Q classification and leak point pressure were analyzed according to the PFM contraction. One hundred and seventy-three had genuine stress urinary incontinence, 25 urge urinary incontinence, 148 mixed incontinence and 12 had no urinary incontinence. PFM contraction was not associated with a hysterectomy, age, parity, BMI, CUM, FUL, MUCP at rest, the severity of the incontinence assessed by ICIQ-SF score and leak point pressure. There was a proportional relationship between PFM contraction and the value of MUCP measured during this contraction (P<0.0001) on the one hand, and the gain of MUCP (P<0.0001) on the other. MUCP at rest was independent from the MUCP during the containing effort and the gain of MUCP. The strength of contraction of the PFM is not correlated with MUCP at rest but proportional to the augmentation of the MUCP during the containing effort.
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https://www.hal.inserm.fr/inserm-01150252
Contributor : Xavier Fritel <>
Submitted on : Saturday, May 9, 2015 - 8:43:02 PM
Last modification on : Thursday, August 20, 2020 - 3:05:15 AM

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  • HAL Id : inserm-01150252, version 1
  • PUBMED : 25468000

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P Dompeyre, Xavier Fritel, Arnaud Fauconnier, G Robain. Pelvic floor muscle contraction and maximum urethral closure pressure. Progrès en Urologie, Elsevier Masson, 2015, 25 (4), pp.200-5. ⟨inserm-01150252⟩

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