Varicose Veins

Venous insufficiency is a very common condition resulting from decreased blood flow from the leg veins up to the heart, with pooling of blood in the veins. Normally, one-way valves in the veins keep blood flowing toward the heart, against the force of gravity. When the valves become weak and don't close properly, they allow blood to flow backward, a condition called reflux. Veins that have lost their valve effectiveness, become elongated, rope-like, bulged, and thickened. These enlarged, swollen vessels are known as varicose veins and are a direct result of increased pressure from reflux. A common cause of varicose veins in the legs is reflux in a thigh vein called the great saphenous, which leads to pooling in the visible varicose vein below.

Prevalence of Varicose Veins and Venous Insufficiency

Chronic venous disease of the legs is one of the most common conditions affecting people of all races.

Approximately half of the U.S. population has venous disease--50 to 55% of women and 40 to 45% of men. Of these, 20 to 25% of the women and 10 to 15% of men will have visible varicose veins.

Varicose veins affect 1 out of 2 people age 50 and older, and 15 to 25% of all adults.

Risk Factors

  • Age
  • Family history
  • Female gender
  • Pregnancy, especially multiple pregnancies, is one of the most common factors accelerating the worsening of varicose veins.

Symptoms

Symptoms caused by venous insufficiency and varicose veins include aching leg pain, easy leg fatigue, and leg heaviness, all of which worsen as the day progresses. Many people find they need to sit down in the afternoon and elevate their legs to relieve these symptoms. In more severe cases, venous insufficiency and reflux can cause skin discoloration and ulceration which may be very difficult to treat. One percent of adults over age 60 have chronic wounds known as ulcers.

People without visible varicose veins can still have symptoms. The symptoms can arise from spider veins as well as from varicose veins, because, in both cases, the symptoms are caused by pressure on nerves by dilated veins.

Diagnosis and Assessment

An interventional radiologist, a doctor specially trained in performing minimally invasive treatments using imaging guidance, will use duplex ultrasound to assess the venous anatomy, vein valve function, and venous blood flow changes, which can assist in diagnosing venous insufficiency. The doctor will map the great saphenous vein and examine the deep and superficial venous systems to determine if the veins are open and to pinpoint any reflux. This will help determine if the patient is a candidate for a minimally invasive treatment, known as vein ablation.

Treatments include Vein Ablation, Ambulatory Phlebectomy, Injection Sclerotherapy, and Ultrasound-guided Sclerotherapy.

Various artery and vein conditions that can be treated by a specialist Dr. David Shelley in Pocatello Idaho.

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