Peripheral Arterial Disease

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PERIPHERAL ARTERIAL DISEASE

Peripheral Arterial Disease: role of the Acute Care NP in the treatment option and implications for care

Peripheral Arterial Disease: role of the Acute Care NP in the treatment option and implications for care

Peripheral arterial disease (P.A.D.) occurs when plaque (plak) builds up in the arteries that carry blood to your head, organs, and limbs. Plaque is made up of fat, cholesterol, calcium, fibrous tissue, and other substances in the blood.

When plaque builds up in arteries, the condition is called atherosclerosis (ATH-er-o-skler-O-sis). Over time, plaque can harden and narrow the arteries. This limits the flow of oxygen-rich blood to your organs and other parts of your body.

P.A.D. usually affects the legs, but also can affect the arteries that carry blood from your heart to your head, arms, kidneys, and stomach. This article focuses on P.A.D. that affects blood flow to the legs.

Normal Artery and Artery With Plaque Buildup

The illustration shows how P.A.D. can affect arteries in the legs. Figure A shows a normal artery with normal blood flow. The inset image shows a cross-section of the normal artery. Figure B shows an artery with plaque buildup that's partially blocking blood flow. The inset image shows a cross-section of the narrowed artery.

Overview

Blocked blood flow to your legs can cause pain and numbness. It also can raise your risk of getting an infection in the affected limbs. It may be hard for your body to fight the infection.

If severe enough, blocked blood flow can cause tissue death (gangrene). In very serious cases, this can lead to leg amputation.

If you have leg pain when you walk or climb stairs, talk to your doctor. Sometimes older people think that leg pain is just a symptom of aging. However, the cause for the pain could be P.A.D. Tell your doctor if you're feeling pain in your legs and discuss whether you should be tested for P.A.D.

Smoking is the main risk factor for P.A.D. If you smoke or have a history of smoking, your risk for P.A.D. increases four times. Other factors, such as age and having certain diseases or conditions, also increase your risk.

Outlook

If you have P.A.D., your risk for coronary artery disease, heart attack, stroke, and transient ischemic attack (“mini-stroke”) is six to seven times greater than the risk for people who don't have P.A.D. If you have heart disease, you have a 1 in 3 chance of having blocked leg arteries.

Although P.A.D. is serious, it's treatable. If you have the disease, it's important to see your doctor regularly and treat the underlying atherosclerosis. P.A.D. treatment may slow or stop disease progress and reduce the risk of complications. Treatments include lifestyle changes, medicines, and surgery or procedures. Researchers continue to explore new therapies for P.A.D.

Other Names for Peripheral Arterial Disease

Atherosclerotic peripheral arterial disease

Peripheral vascular disease

Vascular disease

Hardening of the arteries

Claudication

Poor circulation

Leg cramps from poor circulation

What Causes Peripheral Arterial Disease?

The most common cause of peripheral arterial disease ...
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