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Damaged Rectal Sphincter


Overview of Damaged Rectal Sphincter

overview

The opening of the anus is surround by a layer or voluntary muscle, the rectal sphincter. This muscle allows for the voluntary control of defecation. Dysfunction of the muscle or of its nerve supply can lead to fecal incontinence. A variety of mechanisms can lead to rectal sphincter damage.

Causes of Damaged Rectal Sphincter

causes

The rectal sphincter can be damage through the loss of neurological control. This can come from damage to the nerves of the lower spine or the sacral nerve roots within the pelvis. Tumors, infections, trauma and surgery may damage the nerves within the pelvis.
Direct trauma to the rectal sphincter can occur in women during prolonged labor and when severe lacerations of the perineum and rectum occur during delivery. Diseases that involve the rectum and anus, such as cancer can invade and damage or destroy the rectal sphincter. Inflammatory bowel disease can lead to injury and ulceration of the rectum and damage the muscle. Anorectal abscesses can lead to damage of the rectal sphincter.

Signs and Symptoms of Damaged Rectal Sphincter

signs and symptoms

Fecal incontinence is the primary symptom. There may be localized pain from irritation. If the damaged muscle is part of a rectovaginal fistula in women, there may be abnormal vaginal discharge, recurrent vaginal or urinary tract infections and gas passed through the vagina.



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Medical Content Last Updated on 07/12/2008

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