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A.D.A.M. Medical Encyclopedia. Atlanta (GA): A.D.A.M.; 2011.

A.D.A.M. Medical Encyclopedia.

Arterial insufficiency

Last reviewed: October 26, 2011.

Arterial insufficiency is any condition that slows or stops the flow of blood through your arteries. Arteries are blood vessels that carry blood from the heart to other places in your body.

See also:

Causes, incidence, and risk factors

One of the most common causes of arterial insufficiency is atherosclerosis , or "hardening of the arteries." Fatty material (called plaque) builds up on the walls of your arteries, causing them to become narrow and stiff . This makes it hard for bood to flow through your arteries.

Blood flow may be suddenly stopped due to a blood clot (also called embolus). The clot usually breaks off from the fatty material built up in the wall of an artery.

Symptoms

Symptoms depend on where your arteries become narrowed:

References

  1. Aufderheide TP. Peripheral arteriovascular disease. In: Marx JA, Hockberger RS, Walls RM, et al, eds. Rosen’s Emergency Medicine: Concepts and Clinical Practice. 7th ed. Philadelphia, Pa: Mosby Elsevier; 2009:chap 85.

Review Date: 10/26/2011.

Reviewed by: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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What works?

  • Dressings and topical agents for arterial leg ulcers Dressings and topical agents for arterial leg ulcers
    People with blood circulation problems in their legs can develop leg ulcers. The majority of ulcers result from poor blood flow in the veins and are treated by compression.. Arterial leg ulcers occur because of poor blood supply to the legs when there is a block in a leg artery or narrowing of the arteries by atherosclerosis. Arterial leg ulcers can take months or years to heal, are painful and can become infected. Without treatment of the underlying poor arterial blood supply, ulcers take a long time to heal and may reoccur. These ulcers are treated with wound coverings (dressings) or medicines in a cream or ointment (topical agents) to promote healing and protect the wounds from infection. A variety of types of dressings are used, some keeping the wound moist and others dry. The intention is that dressings reduce ulcer pain, are easy to change and do not cause allergies or leave fragments in the wound. Topical agents are used to change the wound environment, for example ketanserin is thought to improve blood flow.
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