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  • 1
    Electronic Resource
    Electronic Resource
    Do bladder neck mobility and urethral sphincter function differ during pregnancy compared with during the non-pregnant state? (1998)
    Springer
    International urogynecology journal 9 (1998), S. 397-403 
    Details
    ISSN: 1433-3023
    Keywords: Perineal ultrasound ; Pregnancy ; Stress urinary incontinence ; Urodynamics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The aim of the study was to assess and compare urethral sphincter (US) function and bladder neck (BN) behavior in pregnant and non-pregnant women. Urethral pressure profile parameters, intravaginal-anal pressures and BN position/mobility were compared in both pregnant and non-pregnant women. It was found that pregnancy results in a decreased maximal urethral closure pressure (MUCP)/area of continence at rest and at stress, decreased pressure-transmission ratio (PTR) values and backwards displacement of the bladder neck. No significant changes in intravaginal-anal pressures and BN mobility/downwards displacement were seen. Compared with stress continent pregnant patients, pregnant patients with stress urinary incontinence (SUI) have a lower MUCP at rest/stress and area of continence at stress, but show no difference in BN behavior. Regression analysis shows no correlation between advancing pregnancy and any of these parameters. It was concluded that pregnancy induces diminished US function and backwards displacement of the BN. Compared to continent pregnant patients, pregnant women with SUI also have a diminished US function. US parameters are not significantly modified by advancing pregnancy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02199575
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The effect of catheter diameter on the urethral cough pressure profile of continent and incontinent patients (1992)
    Springer
    International urogynecology journal 3 (1992), S. 2-7 
    Details
    ISSN: 1433-3023
    Keywords: Catheter ; Female ; Incontinence ; Obstruction ; Urodynamics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The importance of catheter diameter in causing inaccurate urethral pressure profile recordings was assessed with the aid of a special, dual diameter catheter. Cough pressure profiles obtained in premenopausal and postmenopausal incontinent patients were compared with control groups. The urethral functional length (FL) and pressure transmission ratio (PTR) did not change. The maximal urethral closing pressure (MUCP) decreased with the smaller catheter only in incontinent patients. Similarly, a decreased urethral surface at rest (USR) was observed for incontinent groups. Continent patients showed no modification of MUCP or USR with change in catheter diameter. The occlusive effect of the catheter was high (21 cmH2O) in incontinent patients and less in continent patients (5 cmH2O). The part played by the occlusive effect of the catheter may therefore be evaluated and considered an element explaining artificially high MUCP that do not reflect clinical reality in certain patients. This occurs most often in incontinent patients due to curvature of the catheter during coughing.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00372639
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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