Overview
What Is Varicose Vein Treatment (Endovenous Ablation Of Varicose Veins)?
Varicose vein treatment, or endovenous ablation, is a minimally invasive treatment that uses radiofrequency or laser energy to cauterize (burn) and close abnormally enlarged veins in the legs, a condition called varicose veins.
Normally, blood circulates from the heart to the legs via arteries and back to the heart through veins. Veins contain one-way valves which allow blood to return from the legs against gravity. If the valves leak, blood pools in leg veins which can become enlarged or varicose.
Endovenous ablation is an image-guided procedure that uses heat generated by radiofrequency or laser energy to seal off these faulty vessels, diverting blood flow immediately to nearby healthy veins.
What are some common uses of the procedure ?
Although this procedure may be used for cosmetic purposes, it is more commonly used to help alleviate symptoms. Symptoms are typically due to enlarged nonfunctional veins that cause circulatory problems (venous insufficiency).
Leg symptoms can include:
- Aching pain
- Swelling
- Skin irritation or sores
- Discoloration
- Inflammation
Interventionalists Can Use One Of A Number Of Different Approaches :
• Radiofrequency Ablation. The specialists may use radiofrequency (RF) energy delivered through the end of a catheter. RF tools transmit radiowave energy at high levels through small areas of tissue. The tissue absorbs the energy, converting it to heat. This heat destroys the cells exposed to it. Specialists can, thus, place the tip of RF delivery devices in and around abnormal blood vessels to destroy them.
• Laser Treatment. Interventionalists may use laser energy delivered through the end of a catheter. Catheter tools with laser-fiber tips transmit laser light to small areas of tissue. The tissue absorbs the energy, converting it to heat. This heat destroys the cells exposed to it. Specialists can, thus, laser abnormal blood vessels to destroy them.
• Sclerotherapy. The radiologists can also use chemical scarring or sclerotherapy, in which they direct a thin tube to the vein and inject alcohol or other substance that causes the veins to scar and close. The scar tissue is absorbed by the body over time.
Patients receive local anesthetic and moderate sedation for procedures to treat varicose veins. The interventional radiologist accesses the venous system of the legs through a small incision (normally just above or below the knee) that allows the specialist to introduce a catheter into, normally, the greater saphenous vein in the thigh. (Reflux in the greater saphenous vein is the most common basis for varicose veins.) Using ultrasound to visualize the vein and catheter and to guide the procedure, the interventionalist advances the catheter to the varicosed area and then treats it, to cause the vein to collapse and seal shut. This outpatient procedure takes less than an hour.
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Varicose Veins 
Radiofrequency Occlusion
Sclerotherapy
Vein Stripping 
Lower Leg Ulcers 
Vascular Malformations 
