What Is Radiofrequency Ablation (RFA)?
Radiofrequency ablation (RFA), also called radiofrequency neurotomy, is a minimally invasive, non-surgical treatmennt. A fine needle electrode is precisely placed at the target nerve under image guidance. Radiofrequency current passed through the electrode generates controlled heat, creating a small lesion on the nerve that prevents it from transmitting pain signals to the brain.
Because RFA targets the exact nerve responsible for pain, confirmed in advance through a diagnostic nerve block, it addresses the pain signal at its anatomical origin, not just the symptoms.
- Diagnostic confirmation - A diagnostic nerve block first confirms the exact nerve responsible for pain.
- Controlled radiofrequency energy - Generates controlled heat through a precisely positioned electrode.
- Small targeted lesion - Prevents the identified nerve from transmitting pain signals.
- Anatomical-source treatment - Addresses the pain signal at its origin, not symptoms generally.
How Does RFA Work?
When radiofrequency energy is applied to a pain-carrying nerve, it disrupts the nerve's ability to transmit signals to the brain. The treated nerve stops sending pain messages, producing a significant, often durable reduction in chronic pain.
The procedure targets medial branch nerves for facet joint pain in the neck, mid-back, and lower back; lateral branch nerves for sacroiliac joint pain; and peripheral nerves for knee pain and selected joint conditions. Unlike injections that reduce inflammation temporarily, RFA interrupts the pain pathway itself, which is why its effects typically last significantly longer than steroid-based treatments.
Before RFA is recommended, a diagnostic nerve block is performed at the same nerve. Meaningful relief confirms the pain source and predicts a good RFA response; if the block provides no relief, RFA at that location is unlikely to help. This diagnostic step is mandatory at Nivaan.
Types of RFA Treatment in Mumbai
RFA is not a single technique, the correct type depends on the pain source, anatomy, and the nerve being treated.
- Conventional RFA - Continuous radiofrequency current creates a heat lesion at the target nerve. The gold standard for cervical and lumbar facet joint pain, with the strongest clinical evidence base.
- Pulsed RFA - Short bursts of energy at lower temperatures modulate rather than destroy the nerve. Used for nerve roots and peripheral nerves where conventional heat could risk motor or sensory function.
- Cooled RFA - A water-cooled electrode creates a larger, more consistent lesion for sacroiliac joint pain, where the spread of lateral branch nerves requires a wider ablation zone.
Your Nivaan specialist will recommend the correct RFA type based on your diagnosis, imaging, and diagnostic block response.
Conditions Treated with RFA in Mumbai
RFA is recommended for chronic pain conditions where the specific pain-generating nerve has been identified and confirmed through diagnostic testing:
- Lower back - Lumbar facet joint arthritis, chronic low back pain from spondylosis, sacroiliac joint dysfunction.
- Neck - Cervical facet joint pain, cervicogenic headache, post-whiplash chronic neck pain.
- Mid-back - Thoracic facet joint pain and post-injury thoracic spine degeneration.
- Sacroiliac joint - SI joint pain from degeneration, pregnancy-related changes, or adjacent segment stress.
- Knee - Genicular nerve RFA for knee osteoarthritis pain and selected post-operative knee pain.
- Trigeminal neuralgia - Selected facial pain cases involving the trigeminal nerve.
Who Is a Suitable Candidate for RFA Treatment in Mumbai?
RFA works best in carefully selected patients. It may be a good option if you have:
- Chronic pain lasting more than 3 months, originating from a facet joint, sacroiliac joint, or peripheral nerve
- Confirmed significant pain relief from a prior diagnostic nerve block at the same location
- Pain persisting despite physiotherapy, medications, and other conservative treatment
- A wish to reduce reliance on pain medications
- A desire to avoid or delay surgery, where clinically appropriate
Nivaan specialist will recommend RFA only when the diagnostic evidence supports it.
Best Doctors to Perform RFA treatment in Mumbai
The RFA Procedure, Step by Step
The procedure is minimally invasive, completed in a single outpatient visit, typically 20-45 minutes depending on the number of nerves treated.
Before the procedure:
- Review of your medical history, imaging, and diagnostic block results
- Pausing blood-thinning medications, only on medical advice
- Arranging transport home, as you shouldn't drive yourself on the day
- Eating lightly beforehand and staying well hydrated
What happens during treatment:
- Positioning - You lie on a procedure table, positioned according to the treatment site.
- Preparation - The skin is cleaned and numbed with local anaesthetic.
- Image-guided needle placement - Under fluoroscopy or ultrasound, a fine needle electrode is directed precisely to the target nerve.
- Confirmation - Low-level sensory and motor electrical tests confirm correct electrode positioning before treatment.
- Ablation - Radiofrequency current is delivered for approximately 60-90 seconds per nerve.
- Completion - The needle is removed, a small dressing is applied, and you're discharged after a brief rest.
Recovery and Aftercare
You may experience soreness, mild swelling, or a temporary increase in pain at the treatment site for several days to two weeks, a normal part of the nerve's response.
| Time | What to Expect |
|---|---|
| Immediately after | Mild soreness or numbness; some patients notice early relief |
| Days 1-14 | Post-procedure soreness settling; relief may be partial initially |
| Weeks 2-6 | Progressive improvement as the nerve lesion fully establishes |
| Months 1-3 | Best result for many patients |
| Months 6-24 | Sustained relief for many; RFA may be repeated if pain returns |
Your specialist will recommend combining RFA with physiotherapy to build strength in the muscles supporting the treated joint or spinal segment, the single most important factor in how long relief lasts, particularly useful for professionals returning to long hours at a desk.
Benefits, Risks, and Side Effects
Benefits
- Directly interrupts the pain source - Targets the specific nerve confirmed by diagnostic block
- Long-lasting relief - Typically 6 months to 2 years, significantly longer than steroid injections
- Non-surgical - No incisions, implants, or hospital admission
- Repeatable - Can be safely repeated if the nerve regenerates and pain returns
- Minimal downtime - Return to light daily activities within 24-48 hours
- Supported by strong evidence - Backed by consensus practice guidelines published in Regional Anesthesia and Pain Medicine (2020) and multiple Cochrane Database and JAMA-level studies
Risks and Side Effects
- Soreness or numbness - Usually settles within 1-2 weeks
- Temporary pain increase - Can occur in the first 1-2 weeks as the nerve responds; doesn't indicate treatment failure
- Muscle spasm - A short-lived spasm may occur near the treatment site
- Rare infection - Minimised by sterile, image-guided technique
- Rare nerve injury - Risk minimised by image guidance and electrical confirmation testing
Serious complications are rare. No general anaesthesia is needed.
Results and Duration of Pain Relief
Pain reduction typically develops over 1-6 weeks as the nerve lesion fully establishes.
- Days 3-14 - First improvement for some patients
- Weeks 3-8 - Meaningful pain reduction
- Months 1-3 - Maximum benefit
- 6 months to 2 years - Typical duration of relief, longer for some patients
The nerve can eventually regenerate, causing a gradual return of pain, at which point RFA can be safely repeated without cumulative risk.
RFA Treatment Cost Considerations in Mumbai
Cost depends on the number of nerve levels treated, the type of RFA used (conventional, pulsed, or cooled), and any diagnostic blocks required beforehand. Given RFA's relief typically lasts 6 months to 2 years, many patients find it worth comparing against the cumulative cost of repeated shorter-acting injections over the same period, a genuinely useful framing when evaluating whether RFA is the right investment for your specific case.
Why Choose Nivaan Care for RFA in Mumbai?
RFA treatment works best as part of a complete, expert-led plan, not a standalone procedure.
| RFA Procedure | Nivaan Care | Standard RFA |
|---|---|---|
| Who performs it | Interventional pain specialist under image guidance | Varies; may not be a trained pain specialist |
| Diagnosis | Confirmed with imaging and diagnostic block before treatment | May not include a prior diagnostic block |
| Image guidance | Always fluoroscopy or ultrasound | Sometimes absent |
| Confirmation testing | Sensory and motor testing confirms electrode position | Not always performed |
| Rehabilitation | Personalised physiotherapy plan after RFA | None |
| Follow-up care | Ongoing, structured recovery monitoring | Rarely structured |