Prof. Dr. Ali Serdar Fak
Cardiac SurgeryVerified
- 29+years exp.
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Vascular Surgery
Endovenous radiofrequency ablation (evrf)
What endovenous radiofrequency ablation (EVRF) is, how a catheter heats and seals a faulty leg vein under ultrasound, what NICE and trial evidence say, how it compares with laser ablation, foam sclerotherapy and vein stripping, approximate costs in Turkey against the UK, US and Germany, recovery milestones, risks and how to check a vein clinic.
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Dr. Bülent İlçöl
Cardiac SurgeryVerified
- 25+years exp.
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Endovenous radiofrequency ablation (EVRF): what it is and how it works
Endovenous radiofrequency ablation (EVRF) is a minimally invasive treatment for varicose veins caused by a leaking vein valve, usually the great saphenous vein that runs from the groin to the ankle. When the valves in that vein fail, blood flows backwards (reflux), pools in the leg and swells the surface veins. In EVRF a thin catheter is passed into the faulty vein through a small puncture. The tip heats the vein wall with radiofrequency energy to about 120 °C, so the vein shrinks, seals and is gradually absorbed by the body. Blood then reroutes through healthy veins. The whole procedure is guided by ultrasound and no cut or stitch is needed.
This guide explains how EVRF works, what the evidence says, what it costs in Turkey compared with the UK, US and Germany, what recovery involves and how to check a clinic. For the wider range of vein and heart services see our cardiology treatments in Turkey hub.
What happens during an EVRF procedure, step by step?
- Vein mapping: a duplex ultrasound scan, done while you stand, shows which veins leak and how large they are. This scan decides whether you are suitable.
- Local anaesthesia: the skin is numbed at the puncture site. No general anaesthetic is normally needed.
- Catheter placement: under ultrasound the doctor inserts the catheter into the vein, usually near the knee, and advances it towards the groin.
- Tumescent fluid: a dilute numbing solution is injected along the vein. It protects surrounding tissue from heat and compresses the vein around the catheter.
- Heating and withdrawal: the catheter heats the vein in short segments as it is pulled back, typically over a few minutes.
- Compression: a bandage or stocking is applied and you walk straight away.
The treatment usually takes 30 to 60 minutes per leg, and you go home the same day.
Does endovenous radiofrequency ablation work? What the evidence says
The evidence is strong. Endothermal ablation (heat-based closure of the vein), which includes radiofrequency and laser, is recommended by NICE in England as the first-line treatment for varicose veins with reflux when conservative measures have not helped, ahead of open surgery. Randomised trials report that it closes the target vein in the great majority of patients, with less pain and a faster return to normal activity than traditional stripping. What is less certain: long-term closure rates beyond several years differ between studies, and surface veins that look unsightly often need a separate treatment such as sclerotherapy even when the main vein has closed. EVRF treats the cause of the leak; it does not make every bulging vein vanish on its own.
Is endovenous radiofrequency ablation right for me?
Suitable patients have symptomatic varicose veins (aching, heaviness, swelling, itching, skin changes or ulcers) with confirmed reflux in a straight, accessible vein of reasonable diameter. It is less suitable if the vein is very twisted or very close to the skin, if you have deep vein thrombosis or severe arterial disease in the leg, if you are pregnant, or if the problem is only small spider veins, which are treated with injections. People who cannot walk after the procedure or who have certain clotting conditions may need a different plan. The duplex scan and your medical history decide, and a good doctor will say so openly if another method suits you better.
EVRF, laser ablation, sclerotherapy or surgery: how do they compare?
Each treatment has a place. Radiofrequency and laser both heat the vein from the inside; see our guides to EVLA endovenous laser ablation and laser treatment for varicose veins. Foam sclerotherapy injects a chemical to close the vein, and is useful for smaller branches. Open surgery ties and removes the vein under general anaesthesia and is now used less often.
| Method | Best suited to | Typical limits |
|---|---|---|
| EVRF (radiofrequency) | Straight, medium-to-large saphenous veins with reflux | Needs a single-use catheter; not for very tortuous veins |
| EVLA (laser) | Similar veins; some tortuous segments | Slightly more bruising reported in some studies |
| Foam sclerotherapy | Smaller branches, recurrent or residual veins | May need repeat sessions; less certain for large trunks |
| Open surgery (stripping) | Very large or complex veins, or when others are unsuitable | General anaesthesia, longer recovery, scarring |
For the smaller surface veins that remain after the main trunk is closed, see sclerotherapy of varicose veins.
Will EVRF remove the veins I can see, and what do before and after photos show?
Not directly. The catheter closes the leaking trunk vein deep under the skin; the bulging branches you see on the surface are then expected to shrink as the pressure falls, over weeks to a few months. Photographs after treatment typically show flatter, less swollen veins and less skin discolouration, but branches that stay prominent are usually treated by a second step such as foam injections or a small phlebectomy. Aching and heaviness often improve before the appearance does. Ask the doctor which surface veins they expect to need extra treatment and whether that is part of the quote.
Endovenous radiofrequency ablation (EVRF) cost in Turkey compared with the UK, US and Germany
The figures are approximate ranges per leg, not hospital quotes. They depend on the catheter system used, whether the pre-treatment duplex scan and follow-up scan are included, whether both legs are treated and whether extra sclerotherapy is added.
| Country | Approximate cost per leg |
|---|---|
| Turkey | €1,200 – €3,500 |
| United Kingdom | €2,500 – €5,500 |
| United States | €3,000 – €7,500 |
| Germany | €2,000 – €4,800 |
What changes the price: a single-use radiofrequency catheter is a significant cost in itself, so quotes that look very low may not include one; the number of veins treated; the scans; compression stockings; and follow-up. A package should list what it contains in writing. In the UK, the NHS may fund treatment for people who meet its criteria, so a private or overseas route is mainly for those who do not qualify or face long waits.
How long is the trip, and what is endovenous radiofrequency ablation (EVRF) recovery like?
Because it is a day procedure, a short trip is enough. Most patients stay two to four nights: one day for the scan and treatment, a follow-up check the next day or two, and time for the doctor to see that you walk comfortably. You walk the same day and wear a compression stocking, usually for one to two weeks. Mild bruising, tightness or a pulling feeling along the treated vein is common and eases over one to three weeks. Many people go back to desk work within one to two days and to gentle exercise within about a week; heavy lifting and long periods of standing are best avoided for a short time. Short flights are usually allowed; walk regularly and follow your doctor's advice on stockings and hydration. A follow-up duplex scan, often after a few weeks, confirms that the vein has closed.
What are the risks of endovenous radiofrequency ablation?
Complications are uncommon but real. Common effects are bruising, tenderness, tightness along the vein and temporary skin colour change. Less common ones include inflammation of surface veins (phlebitis), numbness or tingling from irritation of a nearby nerve, skin burns (rare with tumescent fluid) and failure of the vein to close fully or to stay closed. A blood clot can occasionally form in a deep vein (deep vein thrombosis) or extend from the treated vein toward the deep system; this is rare and the post-procedure scan is partly designed to catch it. Ask about the thrombosis prevention plan, particularly if you fly home soon after treatment. The NHS and NICE guidance both describe endothermal ablation as an established, well-tolerated treatment when done by trained clinicians.
How to choose a vein specialist, and what to ask
Look for a cardiovascular surgeon, vascular surgeon or radiologist trained in endovenous techniques who performs the duplex mapping themselves or reviews it. The clinic should give you a written assessment based on a scan, not a quote from a photograph. Red flags include a price without a scan, pressure to treat both legs without an explanation, no mention of follow-up imaging, promises that every visible vein will disappear and no plan for care after you return home. Read how our process works and request a plan through our free quote page. Questions to ask:
- Which veins will be treated and why, and is the duplex scan included?
- Is the catheter single-use, and which system is used?
- Will I need extra sclerotherapy for surface veins, and is it in the quote?
- What follow-up scan is planned, and who reviews it if I am home?
- How do you reduce the risk of blood clots after treatment?
Hospitals with Cardiac Surgery in Turkey
Frequently asked questions
Endovenous radiofrequency ablation (EVRF) closes a faulty leg vein from the inside. A catheter heats the vein wall with radiofrequency energy under ultrasound, the vein seals and shrinks, and blood flows through healthier veins.
Yes. It closes the targeted vein in most patients and NICE recommends heat-based ablation as first-line treatment when reflux is present. Smaller surface veins may need an additional treatment such as sclerotherapy.
Approximately €1,200 to €3,500 per leg in Turkey, compared with roughly €2,500 to €5,500 in the UK. The catheter system, scans and any extra treatment affect the price, so ask for a written quote.
The skin and tissue around the vein are numbed with local anaesthetic, so most people feel pressure rather than pain. Tightness or mild soreness along the vein for a week or two afterwards is common.
You walk straight away and many people return to desk work in one to two days. A compression stocking is worn for one to two weeks, and bruising usually fades in two to three weeks.
Both heat the vein from the inside. EVRF uses radiofrequency energy and EVLA uses a laser fibre. Outcomes are broadly similar, and the choice depends on the vein shape and the doctor's experience.
The treated vein usually stays closed, but new varicose veins can develop elsewhere because the underlying tendency remains. Follow-up scans and healthy habits help, and further treatment is sometimes needed.
It is an established treatment with a low rate of serious problems. Risks include bruising, vein inflammation, nerve irritation and, rarely, a blood clot, which is why a follow-up scan is advised.
Often yes, if both legs have confirmed reflux and you are comfortable. Some doctors prefer to treat one leg at a time, which the scan and your health will guide.
Two to four nights is usual: one day for the scan and treatment and a follow-up check before you fly. If both legs or extra treatments are planned, ask the doctor whether to allow more time.
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