Risk factorsBy Mayo Clinic staff
Risk factors for ischemic colitis include:
- Age. The condition occurs mostly frequently in adults older than age 60. Ischemic colitis that occurs in a young adult may be a sign of a blood-clotting abnormality or inflammation of the blood vessels (vasculitis).
- High cholesterol, which can lead to atherosclerosis.
- Certain medical conditions, including previous abdominal surgery, heart failure, low blood pressure and shock.
- Irritable bowel syndrome (IBS). Ischemic colitis is diagnosed three times more frequently in people with IBS than in people without that disorder.
- Heavy exercise, such as marathon running, which can lead to reduced blood flow to the colon.
- Surgery involving the large artery (aorta) that pumps blood from your heart to the rest of your body.
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