How is endovenous laser therapy (EVLT) used to treat venous insufficiency?

Updated: Oct 22, 2018
  • Author: Robert Weiss, MD; Chief Editor: William D James, MD  more...
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EVLT is performed by passing a laser fiber from the knee to the groin and then delivering laser energy along the entire course of the vein. Destruction of the vascular wall is followed by fibrosis of the treated vessel. It has been shown to yield excellent long-term (>5 years) results and a low rate of complications, which vary with the laser wavelength used.

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