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Abstract
Faecal incontinence presents with a female to male ratio of 8:1 suggesting childbirth
as the principal causative factor, although most women do not become symptomatic until
after menopause. Obstetric injury may arise as a result of direct muscular damage
to the anal sphincter, as occurs during a third-degree tear, and/or may be the result
of cumulative damage to the pudendal nerves. Symptomatic women should be assessed
in a dedicated clinic where time is available for comprehensive evaluation. Clinical
examination alone may fail to detect specific abnormalities. The performance of anal
manometry, endoanal ultrasound and neurophysiology studies of the pelvic floor will
increase the diagnostic yield. Treatment may include dietary manipulation and physiotherapy.
In severe cases surgery may be warranted with secondary repair of the anal sphincter
muscle. Adequate primary management of third-degree tears requires careful appraisal
so as to reduce the incidence of later incontinence.
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© 1999 Published by Elsevier Inc. All rights reserved.