Endosonographic characteristics of the anal sphincter complex in primigravid Sri Lankan women

Mayooran V., Deen K.I., Wijesinghe P.S. and Pathmeswaran A. (2005) Endosonographic characteristics of the anal sphincter complex in primigravid Sri Lankan women. International Journal of Gynecology and Obstetrics, 90 3: 245-250. doi:10.1016/j.ijgo.2005.04.008


Author Mayooran V.
Deen K.I.
Wijesinghe P.S.
Pathmeswaran A.
Title Endosonographic characteristics of the anal sphincter complex in primigravid Sri Lankan women
Journal name International Journal of Gynecology and Obstetrics   Check publisher's open access policy
ISSN 0020-7292
Publication date 2005
Sub-type Article (original research)
DOI 10.1016/j.ijgo.2005.04.008
Volume 90
Issue 3
Start page 245
End page 250
Total pages 6
Language eng
Subject 2729 Obstetrics and Gynaecology
Abstract Objective: To determine the endosonographic anatomy of the anal sphincter complex in primigravid Sri Lankan women. Method: This is an observational study of 95 primigravid women admitted to an antenatal ward. They were examined using anal endosonography and data from subjects without sphincter injury were analyzed to describe anal sphincter morphology. Individual anal canal components were measured at defined levels, and the relationship of individual measurements with age and body mass index was calculated. Results: Ninety-three of 95 women had no anal sphincter damage. The puborectalis sling (mean 5.5 mm, S.D. 0.77) forms the upper most border of the sphincter complex. The mean width of the deep external sphincter was 4.3 mm (S.D. 0.61); that of the superficial external sphincter was 4.5 mm (S.D. 0.56); and that of the internal anal sphincter at the mid anal canal was 2.1 mm (S.D. 0.21). The intersphincteric space (mean 2.1 mm, S.D. 0.26) could be distinguished sonographically in all subjects. The mean width of the anterior ring of the subcutaneous component was 3.8 mm (S.D. 1.01). The perineal body was sonographically identified in 60%. Conclusion: A set of normal values for the anal sphincter components in Sri Lankan primigravid women was established.
Keyword Anal sphincter
Endosonography
Pregnancy
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
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Created: Tue, 11 Nov 2014, 12:20:20 EST by Ms Kate Rowe