EVLT - Endovenous Laser Treatment

Endovenous laser ablation (EVLA) is a minimally invasive procedure with relatively few side effects for the effective elimination of larger varicose veins. EVLA uses targeted laser energy to heat a vein from the inside, causing it to collapse quickly and eventually disappear.

The procedure goes by several different names and abbreviations, such as endovenous laser therapy, endovenous laser treatment, ELT, and the brand name EVLT®.

How EVLT Works

If your doctor thinks you're a candidate for EVLT®, you'll first be given a venous reflux exam, a painless duplex ultrasound test to see how well or poorly the valves in your vein(s) are performing.

After you're given a local anesthetic, a very small hole is pricked in the skin (so small that stitches aren't needed), and a catheter is inserted into the vein. Through that catheter, a very thin fiberoptic laser probe is inserted. The doctor usually uses ultrasound imaging to guide the placement of the catheter.

Once activated, the heat generated by the laser causes the walls of the vein to collapse. Thanks to the local anesthetic, the procedure tends not to be painful — the worst discomfort is usually from the multiple injections of local anesthetic.

What is EVLT used for?

Although it can be performed for cosmetic reasons, EVLT® is typically used when there are symptoms like swelling, ulcers, aches, etc. — particularly when a saphenous vein (one of several larger, deeper veins in the legs) isn't functioning properly. If the vein is twisted, however, EVLT® is not an option. The saphenous vein which is eliminated is not functioning properly in the first place, so the procedure doesn't have a deleterious effect. It should relieve the symptoms, and the blood will find its way back to the heart through other veins.

Alternatives to EVLT


What to expect during EVLT treatment



Side effects of EVLT




Does insurance cover EVLT treatment?


Updated: October 13, 2014

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