Popliteal Artery Entrapment Syndrome

Popliteal Artery Entrapment Syndrome

It is defined as the compression of popliteal artery by the enlarged calf muscle. Popliteal artery present behind the knee. The compression cause hurdle in the blood flow to the leg and foot.


Signs and symptoms include: Symptoms Treatment

  • Numbness in the calf
  • Lower leg cramping
  • Swelling in the calf area
  • Cold feet
  • Burning and tingling sensation in calf
  • Blood clot
  • Color changes in calf area

This condition occurs due to the abnormal enlargement of the calf muscle most commonly the gastrocnemius muscle. Some people have congenitally enlarged calf muscles.


If left untreated it may cause the stenosis (narrowing) of popliteal artery which cause severe pain and cramping in leg.


After taking medical history and conducting a physical examination your doctor might recommend a following tests to confirm the diagnosis:

  • Magnetic resonance angiography to check the extent of stenosis in artery.
  • Ankle brachial index measurement
  • Duplex ultrasound of the calf to check the flow of blood.

The only way to reduce the signs and symptoms and cure this disease is the surgery of abnormal calf muscle and to free the trapped artery.

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