VNUS Closure Fast - Now Venefit

UPDATE: This procedure is now called Venefit.

The VNUS Closure FAST is a relatively new procedure designed to treat varicose veins. Unlike the olden days, when varicose veins were stripped surgically, the Closure procedure utilizes radiofrequency waves generated by an electrode to close the vein. The principles of the VNUS Closure Fast technique is to generate radiofrequency waves through an electrode. The heat generated from these electrode causes the veins to heat and eventually collapse. With time, the veins are removed by the body’s scavenging system.

Improved 6.5-centimeter Electrode

Unlike the previous VNUS closure procedure which only has a heating probe at the very end of the electrode, the VNUS Closure Fast has 6.5 cm of an electrode which can generate the radiofrequency waves. Thus, nearly 6.5 cm of the vein can be close in a matter of seconds. Further, the VNUS Closure Fast procedure uses a higher temperature to close off the varicose vein. The entire saphenous vein in the thigh varies from 20-40 cm, thus the entire blood vessel can be closed off in a few minutes.

The VNUS Closure Fast procedure is an outpatient procedure done either in a hospital or in a radiology clinic with ultrasound visual guidance.

Preparing For VNUS Closure Fast

There are no extensive preparations required prior to the procedure but one must:

  • Not take aspirin about a week prior to the procedure
  • Discuss with the physician when to stop any blood thinning or other medications
  • Wait at least 1-2 weeks if there is any type of skin infection

On the day of the procedure, your physician will ask you to lie down on a bed and your leg will be cleaned. The varicose vein in the thigh area will be identified from the knee to the groin. He/she will inject a small amount of a local anesthetic into the skin, and a small needle will be placed in the varicose vein. Through this needle, the VNUS Closure Fast electrode will be inserted and directed up to the groin.

When the catheter is in position, radiofrequency energy is applied to the vein and the catheter is gently withdrawn. The radiofrequency energy heats up the vein and causes it to collapse. This leads to eventual closure of the vein.

Recovery After Closure Fast

Following the procedure, a bandage is placed over the insertion site, and additional compression is provided to keep the area clean. Since this is an outpatient procedure, patients are encouraged to resume all normal activities after a day. The majority of individuals resume their normal activities after a day. After a week, the majority of individuals show improvement in their leg symptoms. The final cosmetic appearance takes a few months to appear.

Compared to the standard VNUS closure procedure, the Closure Fast technique only takes a few minutes. Current data indicate that individuals who have been treated with the VNUS Closure Fast procedure have:

  • Faster recovery
  • Minimal pain
  • Minimal bruising
  • Less pain

Closure Fast Risks

Like the Closure Fast procedure, complications can occur but are very rare. The potential complications that can occur with the Closure Fast procedure include:

  • Vessel perforation
  • Thrombosis
  • Pulmonary embolism
  • Phlebitis
  • Hematoma
  • Infection
  • Paresthesia (numbness or tingling)
  • Skin burn

The Closure Fast procedure is suitable only for large varicose veins and has been used to treat patients within a wide age demographic. It is not suitable for spider veins.

Limited data on the Closure Fast procedure indicate that most patients are satisfied with the results, and there have been no recurrences reported thus far.

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