Radiofrequency Ablationminimally-invasive varicose vein treatment
Radiofrequency Ablation (minimally-invasive vein surgery)
In vein surgery today, two techniques, referred to as “endoluminal ablation,” are replacing vein stripping, or ligation.
The first is Radiofrequency Ablation (also known as VNUS Closure), which utilizes radiofrequency energy through the process of “resistive heating” to seal a vein closed. The second, laser ablation, is similarly performed using a bare-tipped laser fiber. Both of these techniques are effective alternatives to major vein surgery.
The Radiofrequency Ablation procedure is accomplished under a local anesthetic by introducing a catheter, guided by ultrasound, inside the vein. Once the catheter is appropriately positioned, local anesthetic is placed in and around the vein to be sealed. The catheter is activated, causing the vein wall to become heated from the inside. At a certain temperature (85 degrees Centigrade), the protein in the vein wall begins to shrink. The catheter is slowly pulled out as the vein shrinks and closes.
And so rather than having to cut and remove the vein, it is left in place for the body to absorb, avoiding incisions and trauma to the limb.
The progress of the treatment is followed in the office using ultrasound over several weeks. Many veins completely disappear with this method. Smaller veins can subsequently be treated either by vein injection (Sclerotherapy) or by Cutera laser therapy, which causes veins to disappear.
To read more about how Radiofrequency Ablation, the effective, non-surgical alternative to major vein surgery, can help eliminate the limb pain, swelling, itching and cramping that often accompany varicose veins, please visit our VNUS page.
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