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What causes a femoral artery aneurysm?

Author

Michael Henderson

Updated on February 23, 2026

What causes a femoral artery aneurysm?

Risk factors for femoral artery aneurysms include smoking, arteriosclerosis, high blood pressure, and systemic connective tissue disorders. In asymptomatic patients, these aneurysms may be detected by patients or on physical examination as a groin bulge or mass.

Accordingly, what are the symptoms of a femoral aneurysm?

Many femoral aneurysms have no symptoms. The most common symptom is pain below the knee.

You may be at risk for a femoral aneurysm if you:

  • Have high cholesterol.
  • Have high blood pressure.
  • Smoke.
  • Have a bacterial infection.
  • Have had blood-vessel reconstruction in one or both legs.

Beside above, when is a femoral artery aneurysm repaired? Common femoral artery aneurysms are rare, and surgical repair is indicated if they are significantly large, or if they are symptomatic (thrombosis causing limb ischaemia and compression of surrounding structures).

Accordingly, how common are femoral aneurysm?

True femoral artery aneurysms are relatively rare and are found in elderly men who have strong smoking history. Aortic aneurysms are approximately 10 times more common. According to Levi et al distal embolization occurs in 0-26% of cases, acute thrombosis occurs in around 15% of cases.

Can you get an aneurysm in the groin?

Femoral arterial aneurysms (FAAs) are uncommon aneurysms that are usually diagnosed as a pulsatile mass in the groin. They occur in elderly men, often with other manifestations of atherosclerosis. One third are bilateral and nearly two thirds are associated with aneurysms elsewhere (e.g., popliteal and aortic).

What does an aneurysm feel like in your leg?

Sudden pain in your leg or foot. Your leg or foot being cool or pale or changing colour. Tingling or numbness in your foot.

Why can I feel my femoral artery pulsing?

In very rare cases and we stress very rare cases, sometimes there are weaknesses in the wall of the femoral artery in the thigh and this is known as a femoral artery aneurysm – there can also be pseudoaneurysms due to cardiac catheterisation of the femoral artery and this gives rise to the symptom of pulsing.

Can you have an aneurysm in your thigh?

Most peripheral aneurysms occur in the popliteal artery, which runs down the back of your lower thigh and knee. Less commonly, peripheral aneurysms also develop in the femoral artery in your groin, the carotid artery in your neck, or sometimes the arteries in your arms.

How do you repair a femoral aneurysm?

Femoral artery aneurysm is generally repaired using the open surgical technique. Endovascular placement of stent-grafts across the inguinal ligament is currently not considered the standard of care. It has been described in the management of femoral pseudoaneurysms in hemodynamically unstable patients.

What does an aneurysm in the groin feel like?

Symptoms can include pain in the back, abdomen or groin, but most iliac aneurysms don't have any symptoms at all. Femoral aneurysm—a bulge or weakness in the wall of the femoral artery, located in the thigh. The aneurysm may also cause a blood clot.

What does a femoral hernia feel like?

Symptoms of a femoral hernia include a lump in the groin or inner thigh and groin discomfort. It may cause stomach pain and vomiting in severe cases. Femoral hernias are uncommon, accounting for fewer than 5 percent of all groin hernias.

Can the femoral artery cause pain?

Thigh pain – Thigh claudication often results from the narrowing of the artery in the groin (the common femoral artery) or mid-thigh (the superficial femoral artery) but can also be caused by blockage of the vessels above the groin (the aorta and iliac arteries).

What causes femoral artery blockage?

The femoral artery is the largest artery in the thigh. It supplies oxygen-rich blood to the leg. Blockage is due to plaque buildup or atherosclerosis. Atherosclerosis in the leg arteries causes peripheral vascular disease.

Can you tear your femoral artery?

Pseudoaneurysms of the femoral arteries are rare and are usually due to penetrating or blunt trauma. They may occur in association with bone fractures, bone tumors, or orthopedic procedures. Spontaneous rupture of the femoral artery is extremely uncommon; to our knowledge, only 5 other cases have been reported.

Why do thighs pulsate?

Twitching can occur after physical activity because lactic acid accumulates in the muscles used during exercise. It most often affects the arms, legs, and back. Muscle twitches caused by stress and anxiety are often called “nervous ticks.†They can affect any muscle in the body.

Where is the femoral artery located?

The location of the femoral artery is at the top of your thigh in an area called the femoral triangle. The triangle is just below your groin, which is the crease where your abdomen ends and your legs begin. The femoral artery runs to the lower thigh and ends behind the knee.

Are leg aneurysms hereditary?

Usually genetic, rarely occur

Peripheral aneurysms are usually genetic; that is, you are born with the tendency to form them. Aneurysms in the abdomen, called splenic aneurysms, are uncommon, affecting 0.7% of the population. Peripheral aneurysms in the legs are very rare, affecting 0.007% of men, and even fewer women.

How long does groin aneurysm surgery take?

Unlike open surgery, which involves a long cut in your abdomen, endovascular surgery requires only two small incisions in the area of your groin. In many cases, the surgery takes 2 to 4 hours to complete, which is much shorter than open surgery aneurysm repair.

What is a reducible femoral hernia?

A reducible femoral hernia occurs when a femoral hernia can be pushed back into the abdominal cavity, either spontaneously or with manipulation. However, it is more likely to occur spontaneously. This is the most common type of femoral hernia and is usually painless.

What is the difference between pseudoaneurysm and aneurysm?

A saccular-shaped aneurysm bulges or balloons out only on one side. A pseudoaneurysm, or false aneurysm, is not an enlargement of any of the layers of the blood vessel wall. A false aneurysm may be the result of a prior surgery or trauma.

What is a femoral artery pseudoaneurysm?

INTRODUCTION. The femoral artery pseudoaneurysm (FAP) is a troublesome groin complication related to the femoral arterial access site used for invasive cardiovascular procedures. 1. FAP occur in 0.1% to 0.2% of diagnostic angiograms and 0.8% to 2.2% following interventional procedures.

What happens if an aneurysm ruptures in your leg?

Wherever they occur within the body, aneurysms can lead to limb loss or life-threatening complications either in the form of a burst or ruptured artery or the sudden blockage of the artery (also known as acute ischaemia) due to the build-up of a clot inside the aneurysm sac.

What triggers an aneurysm?

What Causes an Aneurysm? Any condition that causes your artery walls to weaken can bring one on. The most common culprits are atherosclerosis and high blood pressure. Deep wounds and infections can also lead to an aneurysm.

Can an aneurysm heal itself?

Aneurysms develop over a lifetime,†he says. “Another is that an aneurysm can disappear or heal itself. This is very rare and only happens in aneurysms that are considered benign because the flow of blood is so slow it eventually forms a clot and seals off the bulge.â€

How serious is an iliac aneurysm?

An iliac aneurysm is bulging and weakness in the wall of the iliac artery, a group of arteries located in the pelvis. Iliac aneurysms can burst, which can cause life-threatening, uncontrolled bleeding.

Is an aneurysm a blood clot?

Is It an Embolism or an Aneurysm? Both embolisms and aneurysms have similar-sounding names and can affect blood flow in the brain, but that's where the similarities end. An embolism blocks blood flow because of a clot, while an aneurysm is when an artery breaks or twists, causing bleeding.

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