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Angiodysplasia of the colon - Treatment

Alternative Names

Vascular ectasia of the colon; Colonic arteriovenous malformation

Treatment:

It is important to determine what is causing the bleeding in the colon and how fast blood is being lost. You may need to be admitted to a hospital. Fluids may be given through a vein, and blood products may be required.

Other treatment may be needed once the source of bleeding is found. Most patients stop bleeding on their own without any treatment.

If treatment is needed, it may involve:

  • Angiography to help block the blood vessel that is bleeding or to deliver medicine to help cause the blood vessels to tighten to stop the bleeding
  • Burning (cauterizing) the site of the bleed with heat or a laser using a colonoscope

In some instances, surgery is the only option. Removal of the entire right side of the colon (right hemicolectomy) is the treatment of choice for someone with this condition who continues to bleed at a dangerously quick rate, despite several treatments by angiography and colonoscopy.

Medications (thalidomide and estrogens) may be used to reduce bleeding and the number of angiodysplasias in certain patients.

Expectations (prognosis):

Patients who have bleeding related to this condition despite having had colonoscopy, angiography, or surgery are likely to have more bleeding in the future.

The outlook remains good if the bleeding is controlled.

Complications:

  • Anemia
  • Death from excessive blood loss
  • Side effects from treatment
  • Severe loss of blood from the GI tract

Calling your health care provider:

Call your health provider if rectal bleeding occurs.

  • Reviewed last on: 2/2/2011
  • David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program, San Diego, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Hauser S. Vascular diseases of the gastrointestinal tract. In: Goldman L, Ausiello D. Cecil Textbook of Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 146.

Brandt LJ, Landis CS. Vascular lesions of the gastrointestinal tract. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease. 9th ed. Philadelphia, Pa: Saunders Elsevier; 2010:chap 36.

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