If you’ve been told you need treatment for varicose veins, you’ve probably come across two terms
that sound equally confusing: RF ablation (radiofrequency ablation) and EVLA (endovenous laser
ablation). Both are modern, minimally invasive procedures. Neither requires you to be put to sleep.
And both get you back on your feet the same day.
So what’s the difference — and which one is better for you?
As a vascular surgeon who performs both procedures regularly at Swasth Superspeciality Center in
Mysore, I want to give you a straight answer.
First, what are they actually doing?
Both procedures treat varicose veins by sealing the diseased vein from the inside so it can no longer
carry blood. Over the following weeks, your body naturally absorbs the closed vein and blood
reroutes through healthier veins nearby.
The difference is in how they seal the vein:
- RF ablation uses radiofrequency energy (similar to the waves used in microwave ovens, but
highly controlled) to gently heat the vein wall until it collapses. It works in 20-second
treatment cycles along the length of the vein. - EVLA uses laser energy delivered through a thin fibre inserted into the vein. The laser heats
the blood inside the vein, which then transfers heat to the vein wall and causes it to close.
In both cases, a tiny needle entry point is all that’s needed — no cuts, no stitches.
How are they similar?
Quite a lot, actually:
- Both are done under local anaesthesia — you’re awake and comfortable throughout
- Both are outpatient procedures (you go home the same day)
- Both take about 45 minutes to an hour
- Both have success rates above 90% at one year
- Both require you to wear compression stockings for 1–2 weeks after
- Neither leaves a scar
If you’re looking at two different clinics offering one or the other, the procedure difference alone
shouldn’t drive your decision. The experience of the surgeon matters far more.
Where they differ — and when it matters
Here’s where I’ll be honest with you about the nuances:
Pain and bruising after the procedure
RF ablation tends to cause less post-procedure bruising and discomfort than laser. This is because
the radiofrequency energy heats the vein wall more gently and evenly compared to the more
intense, localised heat of laser energy.
Most of my patients who’ve had RF ablation report mild achiness for 2–3 days. EVLA patients
occasionally experience more tenderness along the treated vein, particularly in the first week. That
said, with modern high-wavelength EVLA devices (1470nm), this gap has narrowed significantly.
Vein size
For very large, dilated veins, laser (EVLA) can sometimes reach parts that RF catheters struggle
with, since the catheter needs close contact with the vein wall. For most typical varicose veins, both
work equally well.
Recovery
Both are fast. The majority of patients walk out of the clinic and return to desk work within 24–48
hours. More physically demanding jobs may need 3–5 days off. I’d generally advise the same postprocedure care for both.
Which one do I recommend?
Honestly, it depends on your specific vein anatomy — not a general preference. After a colour
Doppler ultrasound, I can tell you which veins are affected, how large they are, and which approach
gives you the best outcome with the least discomfort.
In my practice, I use both. Some patients are better suited to RF ablation, others to EVLA. Some
need a combination. The goal is always the same: seal the problem vein properly so it doesn’t come
back.
What about other treatments I’ve heard of?
You may have also come across:
- Sclerotherapy — injection of a chemical to collapse smaller veins and spider veins. Not
suitable for large varicose veins but excellent for residual smaller veins after ablation. - VenaSeal (vein glue) — a newer technique using medical adhesive. No heat involved,
which means no need for tumescent anaesthesia. Still gaining evidence compared to ablation
methods but promising for certain patients. - Stripping surgery — the old approach where the vein was physically removed through
incisions. Largely replaced by RF and laser in modern practice. I very rarely perform this.
Frequently asked questions
The treated vein itself is permanently closed. However, new veins can develop over time,
particularly if you have a family history of venous disease or spend long hours standing. Follow-up
at 6 months is a good idea.
Many insurers cover RF ablation and EVLA when there’s clinical evidence of venous insufficiency
(confirmed on Doppler). Cosmetic-only cases may not be covered. We can guide you through the
documentation needed.
In rare cases — very recurrent veins after previous procedures, or certain anatomical variations —
open surgery may still be the best option. But this is uncommon.
If your varicose veins are causing symptoms — aching, heaviness, swelling, skin changes, or ulcers
— treatment is usually recommended. If they’re purely cosmetic and not bothering you, the decision
is yours. We’d discuss the pros and cons together.
Book a consultation in Mysore
If you’re in Mysore or Mysuru and want to understand which treatment is right for your specific
veins, I’d be happy to see you at Swasth Superspeciality Center. We start with a clinical
examination and a colour Doppler scan to map your veins precisely before recommending anything.
Call: +91 9591821777
Location: Swasth Superspeciality Center, Mysore
You don’t need a referral. Just call and book a consultation.
Dr. Chandan KR is a Vascular and Endovascular Surgeon at Swasth Superspeciality Center,
Mysore. He specialises in minimally invasive treatment of varicose veins, DVT, peripheral artery
disease, and vascular access.