RFA vs EVLA treatment for varicose veins

Radiofrequency ablation (RFA) and endovenous laser ablation (EVLA) are two minimally invasive treatments used to effectively treat varicose veins, but what’s the difference?

Published by Dr Alex Vesey

Date posted — 29.09.24

What are Radiofrequency ablation (RFA) and endovenous laser ablation (EVLA)?

Radiofrequency ablation (RFA) and endovenous laser ablation (EVLA) are two minimally invasive treatments used to effectively treat varicose veins. Both procedures aim to close off problematic veins, preventing them from causing further symptoms and leading to their eventual absorption by the body.

RFA uses radiofrequency energy to generate heat within the vein. A thin catheter is inserted into the vein through a small incision, and once inside, the radiofrequency energy is delivered through the catheter, causing the vein walls to heat up, collapse, and seal shut. This treatment is performed under local anaesthetic, and most patients experience little discomfort, with a quick recovery time and minimal scarring.

EVLA works on a similar principle but uses laser energy instead of radiofrequency to achieve the same result. During EVLA, a laser fibre is guided into the affected vein, and when activated, the laser’s heat damages the vein walls, causing them to collapse and close off.

Like RFA, EVLA is performed under local anaesthetic and is considered highly effective for treating varicose veins. Both RFA and EVLA offer excellent outcomes with low risk of complications, making them preferred options over more invasive surgical treatments. These procedures allow patients to resume normal activities relatively quickly, with significant improvement in both the appearance of the legs and the symptoms associated with varicose veins.

Close-up of a patient’s leg during a medical vein procedure, with a catheter inserted and sterile draping surrounding the treatment area.

What is the difference?

Although RFA and EVLA are very similar in terms of success rates at shutting down larger varicose veins, several studies have suggested that RFA may be associated with lower complication rates, so RFA is our preferred traditional endovenous method.

An even newer endovenous technique known as Venaseal™, however, is an exciting addition to our practice. The success rate of Venaseal™ is similar to both RFA and EVLA. However, it uses glue rather than heat to close the veins and is associated with even less discomfort.

What are the benefits of RFA treatment?

The benefits of RFA for treating varicose veins are numerous, making it a popular choice for both patients and doctors. RFA is minimally invasive, requiring only a small incision to insert a catheter into the affected vein. This results in less pain, minimal scarring, and a quicker recovery time compared to traditional surgical methods.

The procedure is typically performed under local anaesthetic, reducing the risks associated with general anaesthetic. RFA is highly effective, with a success rate of over 90%, and provides long-term relief from the symptoms of varicose veins, such as pain, swelling, and leg fatigue. Additionally, patients can usually return to their normal activities within a day or two, making it a convenient option for those looking for an effective and efficient treatment.

Expert Video

Dr Alex Vesey is our expert consultant vascular surgeon who heads up our varicose vein team. Listen to him explain the Radiofrequency Ablation (RFA) treatment.

Why is RFA better than “laser” or EVLA?

RFA is considered better than EVLA for treating varicose veins in our practice because it’s generally a more comfortable experience and has a lower risk of complications.

RFA typically causes less post-procedural pain and bruising because it uses radiofrequency energy, which generates a gentler heat compared to the intense heat from laser energy used in EVLA. This can result in a smoother recovery with less discomfort for patients.

Additionally, RFA has a slightly lower risk of nerve damage, particularly in areas where veins are close to nerves, such as the lower leg. The procedure’s outcomes are highly successful and comparable to EVLA but with a more favourable side effect profile, making RFA a preferred option for many patients and clinicians.

Are there other options for varicose vein treatment?

Recently, we have introduced the Venaseal™ procedure. Venaseal™ is even less invasive because it avoids the use of heat altogether, which causes even less discomfort whilst still achieving excellent closure rates and long-term outcomes for patients.

Interested in Radiofrequency Ablation (RFA)?

If you’d like to find out if RFA is the right treatment for you, the first step is to fill out our online consultation form. From there, our team will be able to arrange an initial consultation and ultrasound scan, and we can work together to create a treatment plan that is tailored to your needs.

Dr Alex Vesey

Our vascular surgery service is led by Dr Alex Vesey. Alex is a highly skilled vascular surgeon with extensive experience in diagnosing and treating a wide range of vascular conditions. With a focus on minimally invasive techniques, Dr. Vesey is dedicated to providing patients with the most advanced and effective treatments for venous diseases, with a particular interest in the treatment of varicose veins.

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Varicose veins are enlarged, twisted veins that often appear just under the skin, primarily in the legs and feet.

Ok. So this is a younger patient in her late 30s and a lot of people might reasonably say "She's gorgeous, what does she need anything done for?" 

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This is her just 24 hours later. Her bruising and swelling is not too bad at all, mainly because she didn't have a huge amount done - although she still has a lot of healing to go over the next few months. 

She is already loving the result however! What do you think?
This is a little sneak peek of our upcoming podcast between Dr Darren (@drdarrenmckeown) and our new body contouring expert, Dr George Christopolous (@gchristopoulos). The full video will be going live later this week.
On a scale of 1-10, how excited are we for George to start his body contouring in Scotland?
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George is a plastic surgeon with a particular interest in body contouring: liposuction, tummy tucks, arm lifts and thigh lifts.

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In the meantime, if you want to meet the man himself, George’s diary is now open for consultations at McKeown Medical.
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Good aesthetic medicine means the right procedure for the right patient, not one treatment doing it all.

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Some more Quantum Lift magic! 

This patient is just 24 hours after her Quantum lift with fat redistribution. As part of the procedure we sometimes take some of excess fat that’s been removed from the neck and jowls and replace it along the chin and jaw to create more definition. 

Although she’s still bruised and swollen, I think we can all already see where this result is heading. 

The patient is delighted! What do you think?

Join us on Instagram to keep up with the latest results and expert insights from the clinic team.