Radiofrequency Ablation for Back Pain: What to Expect and How It Works

Chronic back pain can make everyday activities feel impossible. If medications, physical therapy, and injections have not given you lasting relief, radiofrequency ablation (RFA) may be a good next step. This minimally invasive procedure uses controlled heat to interrupt the nerves that carry pain signals from your spine to your brain.

Schedule a consultation at Kentuckiana Pain Specialists to find out if radiofrequency ablation is right for your chronic back pain.

At Kentuckiana Pain Specialists, Dr. Ajith Nair has performed thousands of interventional pain procedures over more than 30 years of practice. With a Joint Commission-accredited ambulatory surgery center on site, patients in the Louisville and Elizabethtown areas receive advanced care in a safe, comfortable setting.

What Is Radiofrequency Ablation?

Radiofrequency ablation is a minimally invasive procedure that uses heat energy to destroy specific nerve fibers responsible for transmitting pain signals to the brain. A small needle, guided by real-time X-ray imaging (fluoroscopy), delivers a radiofrequency current that creates a controlled lesion on the targeted nerve. Once the nerve is treated, it can no longer send pain signals from the affected joint or area.

The procedure is also called radiofrequency neurotomy. It is most commonly used to treat chronic back pain caused by the facet joints, which are the small joints that connect each vertebra in your spine. RFA can also be used to treat pain in the neck, sacroiliac joint, and other areas where specific nerves have been identified as the pain source.

How Does the RFA Procedure Work?

Understanding each step of the procedure can help ease any concerns you may have before your appointment.

1. Preparation: You will lie face down on a procedure table. The treatment area on your back is cleaned and numbed with a local anesthetic so you stay comfortable throughout.
2. Needle placement: Using fluoroscopy (live X-ray guidance), Dr. Nair directs a thin, specialized needle to the exact nerve responsible for your pain. The X-ray images ensure precise positioning.
3. Nerve testing: A mild electrical current passes through the needle to confirm the correct nerve has been reached. You may feel a tingling sensation or a muscle twitch, which helps verify proper placement.
4. Ablation: Once placement is confirmed, a radiofrequency current heats the tip of the needle, creating a small lesion on the nerve. This disrupts the nerve’s ability to send pain signals. Multiple nerves can be treated in a single session.
5. Recovery: The needle is removed, and a small bandage is placed over the site. The entire procedure typically takes 30 to 60 minutes. You can walk immediately afterward.

Patients remain awake during the procedure. There is no general anesthesia, no incision, and no stitches required.

Who Is a Good Candidate for Radiofrequency Ablation?

RFA is not a first-line treatment. It works best for patients who meet certain criteria:

• Confirmed nerve source: You have had diagnostic facet joint nerve blocks that temporarily relieved your pain. These diagnostic blocks confirm that specific nerves are responsible for your symptoms, which means RFA is likely to help.
• Chronic pain lasting three months or more: The pain has persisted despite conservative treatments such as medications, physical therapy, or epidural steroid injections.
• Facet joint or sacroiliac joint pain: Common conditions include arthritis, spondylosis, and lumbar facet joint pain.
• Desire to reduce medication use: Patients looking for a non-opioid, long-term pain management option.

Dr. Nair evaluates each patient individually to determine whether radiofrequency ablation is the right approach. A thorough review of your medical history, imaging results, and response to diagnostic blocks all play a role in the decision.

How Long Does Pain Relief Last After RFA?

For many patients, radiofrequency ablation provides pain relief lasting between 9 and 24 months. Some patients experience relief for even longer. The duration depends on factors like the location of the treated nerves, the severity of the underlying condition, and individual nerve regeneration rates.

Because nerves do regenerate over time, pain may gradually return. When that happens, the procedure can be repeated. Many patients at Kentuckiana Pain Specialists undergo periodic RFA treatments as part of a long-term pain management plan, with consistent results each time.

Contact Kentuckiana Pain Specialists at (502) 995-4004 to discuss whether RFA could provide the lasting relief you need.

What to Expect During Recovery

Recovery after radiofrequency ablation is straightforward for most patients. Here is a general timeline:

• Day of procedure: You may feel sore or numb at the treatment site. Most patients go home within an hour and can resume light activities the same day.
• First 1 to 2 weeks: It is common to experience some discomfort, bruising, or increased pain at the treatment area. This happens because the nerve lesion triggers a temporary inflammatory response. Ice packs and over-the-counter pain relievers are usually enough to manage it.
• Weeks 2 to 3: The inflammation settles, and you will start to notice a reduction in your original back pain. Most patients return to their normal routine within a few days of the procedure.
• Full results by week 3 to 4: Optimal pain relief typically develops within three weeks. At this point, many patients report a significant improvement in their ability to move, sleep, and participate in daily activities.

Your care team at Kentuckiana Pain Specialists will provide specific aftercare instructions tailored to your treatment. Follow-up appointments allow Dr. Nair to monitor your progress and adjust your care plan as needed.

Risks and Side Effects of Radiofrequency Ablation

Radiofrequency ablation is considered a low-risk procedure. Because it uses a small needle rather than a surgical incision, complications are uncommon. Possible side effects include:

• Temporary soreness or swelling at the needle insertion site
• Numbness or tingling in the treated area
• Mild bruising
• A brief increase in pain before the full benefit is felt

Serious complications, such as infection or nerve damage, are rare. The use of fluoroscopic guidance throughout the procedure helps Dr. Nair place the needle with precision, reducing the chance of affecting nearby structures.

Compared to surgical options, RFA involves no general anesthesia, no hospital stay, and a much shorter recovery period. It is performed in the Kentuckiana Pain Specialists treatment facility, which holds Joint Commission accreditation for patient safety.

How RFA Compares to Other Pain Treatments

Treatment	Duration of Relief	Invasiveness	Recovery Time
Radiofrequency Ablation	9 to 24 months	Minimally invasive (needle)	1 to 3 days
Epidural Steroid Injections	Weeks to months	Minimally invasive (injection)	Same day
Facet Joint Injections	Weeks to months	Minimally invasive (injection)	Same day
Spinal Cord Stimulation	Years (with device)	Implantable device surgery	1 to 2 weeks
Spinal Surgery	Variable	Major surgery	Weeks to months

RFA fills an important gap between temporary injections and more invasive surgical options. For patients whose facet joint blocks have confirmed the pain source, it offers one of the longest-lasting non-surgical relief options available.

Why Choose Kentuckiana Pain Specialists for RFA?

Choosing the right provider for radiofrequency ablation matters. At Kentuckiana Pain Specialists, patients benefit from:

• Over 30 years of experience: Dr. Ajith Nair is board certified in six specialties and has performed thousands of interventional pain procedures.
• On-site ambulatory surgery center: The Joint Commission-accredited facility offers lower costs, shorter wait times, and lower infection rates compared to hospital-based procedures.
• Complete pain management under one roof: From diagnostic nerve blocks to advanced procedures like RFA and spinal cord stimulation, all treatments are coordinated by the same team.
• Two convenient locations: Offices in Louisville and Radcliff (serving Elizabethtown) make it easier for patients across the Kentuckiana region to get care.
• 17 insurance plans accepted: Including Medicare, Medicaid, and most major commercial carriers.

Frequently Asked Questions About Radiofrequency Ablation

Is radiofrequency ablation painful?

Most patients feel only mild pressure or tingling during the procedure. A local anesthetic numbs the treatment area before the needle is placed. Some patients feel a brief sensation of heat or pressure when the radiofrequency current is applied, but it is usually well tolerated without sedation.

How many RFA treatments will I need?

Because nerves can regenerate over time, some patients require repeat treatments every 9 to 24 months. Each treatment follows the same process and typically delivers similar results. Dr. Nair will create a long-term plan based on how your body responds.

Can radiofrequency ablation be done on the neck?

Yes. RFA can treat cervical (neck) facet joint pain in addition to lumbar (lower back) pain. The procedure follows the same principles, with fluoroscopic guidance ensuring accurate needle placement in the cervical spine.

Will my insurance cover radiofrequency ablation?

Most insurance plans, including Medicare and Medicaid, cover radiofrequency ablation when medical necessity is documented. Kentuckiana Pain Specialists accepts 17 major insurance plans and can help verify your coverage before your procedure. Call (502) 995-4004 to check your benefits.

What conditions does RFA treat besides back pain?

Radiofrequency ablation is commonly used for arthritis-related joint pain, spondylosis, sacroiliac joint dysfunction, and peripheral nerve pain. It is most effective when diagnostic nerve blocks have confirmed the specific nerve responsible for the pain.

Take the Next Step Toward Lasting Pain Relief

If chronic back pain has limited your life and temporary treatments are no longer enough, radiofrequency ablation may offer the longer-lasting relief you are looking for. The team at Kentuckiana Pain Specialists will work with you to determine whether RFA is the right fit for your condition.

Request your appointment online or call (502) 995-4004 to speak with our team today.