2009-11-07 21:22:08 -

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There is inadequate blood flow to the colon, or large intestine, in ishcemic colitis. The condition most commonly affects the elderly.

Causes of Ischemic Colitis

The cause of ischemic colitis is inadequate blood supply to the colon. The smaller vessels supplying the colon are usually involved. Atherosclerosis is the most common cause.

Signs and Symptoms of Ischemic Colitis


Intermittent lower abdominal pain is one

of the key features of this disorder. It usually affects people with vascular disease. They may have similar symptoms in other areas and, therefore, may also have chest pain which is brought on with exercise or calf pain that is precipitated by walking. There may also be rectal bleeding. There may be constipation and changes in stool if strictures of the colon develop at the site of ischemia.

Treatment
Mild, temporary ischemic colitis is treated by maintaining good blood pressure. This can be done with medicines and by avoiding dehydration. Antibiotics are sometimes used.

Chronic ischemic colitis leading to areas of narrowed colon (strictures) is treated by removing the narrowed areas with surgery.

Severe ischemic colitis that leads to gangrene is treated with:

* Antibiotics
* Replacement of blood volume
* Surgery to remove the affected bowel area



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