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Anal sphincter complex muscles defects and dysfunction in asymptomatic parous women

Title
Anal sphincter complex muscles defects and dysfunction in asymptomatic parous women
Authors
Weinstein M.M.Pretorius D.H.Jung S.-A.Wan J.J.Nager C.W.Mittal R.K.
Ewha Authors
정성애
SCOPUS Author ID
정성애scopus
Issue Date
2011
Journal Title
International Urogynecology Journal and Pelvic Floor Dysfunction
ISSN
0937-3462JCR Link
Citation
vol. 22, no. 9, pp. 1143 - 1150
Indexed
SCIE; SCOPUS WOS scopus
Abstract
Introduction and hypothesis: We aimed to determine anatomy and function of anal sphincter complex using three-dimensional ultrasound (3D-US) and manometry in asymptomatic parous women. Methods: 3D-US of puborectalis muscle (PRM), external (EAS), and internal anal sphincters (IAS) anatomy was performed in 45 women without pelvic floor dysfunction. To assess function, rest and squeeze vaginal and anal pressures were measured. Based on 3D-US, subjects were divided into injured and uninjured groups. Results: Forty-four of 45 subjects had adequate PRM images. The injured PRM (N=14) group had significantly lower vaginal pressures as compared with uninjured PRM group (N=30; p=0.001). Four of 45 subjects with IAS and EAS defects had lower resting and squeeze anal canal pressure. Muscle injury to IAS, EAS and PRM in the same individual was uncommon. Conclusions: In asymptomatic parous women, PRM defects were more common than the EAS/IAS defects but defects in more than one muscle were infrequent. Subjects with injured PRM had low vaginal pressure than the ones without. © 2011 The International Urogynecological Association.
DOI
10.1007/s00192-011-1446-8
Appears in Collections:
의과대학 > 의학과 > Journal papers
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