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Bladder neck mobility in continent nulliparous women
U M Peschers1, G Fanger, G N Schaer
1Department of Obstetrics and Gynaecology, Ludwig-Maximilians University, Munich, Germany.
Objective:
To evaluate the mobility of the vesical neck during coughing and valsalva in healthy nulliparous volunteers and to test the reliability of the technique applied.
Design:
Clinical observational study.
Setting:
Department of Obstetrics and Gynaecology, Cantonal Hospital Lucerne, Switzerland.
Population:
Thirty-nine nulliparous volunteers.
Methods:
Vesical neck motion was assessed with perineal ultrasound. Intra-abdominal pressure was controlled for with an intrarectal probe. Intra-rater reliability was evaluated.
Results:
Vesical neck mobility was significantly lower during coughing (8 mm, SD 4 mm) than during valsalva (15 mm, SD 10 mm) (P < 0.005). Between individuals mobility varied from 4 mm to 32 mm during coughing and from 2 mm to 31 mm during valsalva. Test-retest-studies showed a maximum difference between to tests during coughing of 4 mm and during valsalva of 5 mm.
Conclusion:
The bladder neck is mobile in normal continent women and bladder neck mobility is lower during coughing than during Valsalva.
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