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Peripheral Artery Disease

Peripheral Artery Disease

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Definition

Peripheral artery disease (PAD) is disease of any blood vessel that is not part of the heart or brain. PAD is caused by deposits of fatty material in arteries of the legs. Since arteries carry oxygen-rich blood to the cells of the body, a reduction in blood flow can cause organ failure.

Causes

PAD is usually caused by a gradual buildup of plaque called atherosclerosis that happens within the arteries. Other causes include blood clots or embolisms, congenital heart disease, and inflammation of the blood vessels called vasculitis.

Atherosclerosis
Atherosclerosis
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PAD can be hereditary. You also may get PAD if you are overweight or obese , or have hypertension , diabetes , or high cholesterol . Unhealthy lifestyle choices such as smoking, eating a high-fat diet, and not getting enough exercise lead to PAD.

Risk Factors

PAD is more common in men and in people over 50 years of age. Other factors that increase your chance of developing PAD include:

  • Family history of PAD
  • Diabetes
  • Smoking
  • High blood pressure or family history of high blood pressure
  • Stroke or family history of stroke
  • High cholesterol or family history of high cholesterol

Symptoms

Symptoms of PAD are related to the organ or part of the body deprived of blood. This includes:

  • Pain, fatigue, aching, tightness, weakness, cramping or tingling in the leg(s) brought on by exercise that goes away when resting
  • Numbness and pain of the legs or feet at rest
  • Cold hands, legs, or feet
  • Loss of hair on the legs and/or feet
  • Paleness or blueness of the legs
  • Weak or absent pulse in the leg
  • Sores, ulcer, or infection of the feet and legs that heal slowly
  • Erectile dysfunction
  • Swelling in lower extremities
  • Muscle atrophy

Diagnosis

You will be asked about your symptoms and medical history. A physical exam will be done.

During the exam, your doctor may:

  • Check the strength of the pulse in the leg arteries
  • Listen for a whooshing sound in a leg artery or the abdomen using a stethoscope
  • Check blood pressure at various points in the leg and compare it to the normal arm blood pressure
  • Conduct a treadmill test

Your bodily fluids may be tested. This can be done with blood tests.

Images help evaluate blood vessels and surrounding structures. This can be done with:

  • Doppler ultrasound
  • Angiography
  • MRI scan

Your heart activity may need to be tested. This can be done with an electrocardiogram (EKG).

Treatment

Early treatment can slow or stop the disease. Talk with your doctor about the best treatment plan for you. Treatment options include the following:

Prevention

General guidelines to prevent PAD include lifestyle changes, smoking cessation, and adhering to any treatment plans for other health conditions.

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