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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
The effect of levator avulsion on hiatal dimension and function
American Journal of Obstetrics and Gynecology, Volume 201, No. 1, Year 2009
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Description
Objective: Pelvic floor trauma as a result of vaginal childbirth can cause significant pelvic floor morbidity. In this observational study, we intended to define whether such trauma is associated with abnormal hiatal biometry and/or abnormal biomechanical properties of the levator muscle. Study Design: The datasets of 414 urogynecologic patients were assessed in a retrospective study. Patients underwent an interview, clinical examination, and 3-/4-dimensional pelvic floor ultrasound. All analysis was performed offline using proprietary software. Hiatal dimensions and strain were measured. Results: In 21.1% of parous women with a history of vaginal delivery, an avulsion of the levator muscle was diagnosed, and in 8.6% it was bilateral. The relative risk of abnormal distensibility was 3.5 (95% confidence interval, 1.7-6.5) in unilateral and 3.96 (95% confidence interval, 1.7-9.2) in bilateral avulsion. Avulsion increased muscle distensibility on Valsalva and reduced muscle shortening on pelvic floor muscle contraction. Conclusion: Avulsion injury is associated with abnormal levator biometry and function. © 2009 Mosby, Inc. All rights reserved.
Authors & Co-Authors
Abdool, Zeelha
South Africa, Pretoria
Steve Biko Academic Hospital
Shek, K. L.L.
Australia, Sydney
The University of Sydney Nepean Clinical School
Dietz, Hans Peter
Australia, Sydney
The University of Sydney Nepean Clinical School
Statistics
Citations: 162
Authors: 3
Affiliations: 2
Identifiers
Doi:
10.1016/j.ajog.2009.02.005
ISSN:
00029378
Research Areas
Violence And Injury
Study Design
Cohort Study
Participants Gender
Female