Radiofrequency Ablation (RFA)
Long-Lasting Relief for Chronic Joint and Spine Pain
If chronic neck pain, back pain, or knee pain keeps returning despite medications, injections, or physical therapy, radiofrequency ablation (RFA) may provide longer-lasting relief.
Radiofrequency ablation is a minimally invasive, image-guided procedure that uses controlled heat to interrupt pain signals traveling through specific nerves. By targeting the nerves responsible for transmitting pain from the facet joints, sacroiliac joints, or knee, RFA can provide significant relief for months while improving mobility and daily function.
Schedule a consultation today to learn whether radiofrequency ablation may be right for your condition.
What Is Radiofrequency Ablation?
Radiofrequency ablation, sometimes called radiofrequency neurotomy or nerve ablation, is an outpatient procedure that uses radiofrequency energy to create a small heat lesion on targeted sensory nerves.
These nerves carry pain signals from affected joints to the brain. By disrupting their ability to transmit pain, RFA can significantly reduce discomfort without affecting muscle strength or spinal stability.
Unlike steroid injections, which reduce inflammation temporarily, radiofrequency ablation targets the nerve pathway itself and is designed to provide longer-lasting pain relief.
Conditions Treated with Radiofrequency Ablation
Radiofrequency ablation is commonly used to treat:
Spine-Related Conditions
- Facet joint syndrome
- Chronic neck pain
- Chronic low back pain
- Cervical facet arthritis
- Lumbar facet arthritis
- Thoracic facet pain
- Degenerative spinal arthritis
- Chronic spinal joint pain
Sacroiliac Joint Pain
- Sacroiliac joint dysfunction
- Chronic SI joint pain
- Post-traumatic SI joint pain
Chronic Knee Pain
- Knee osteoarthritis
- Persistent knee pain after injury
- Chronic knee pain following surgery
- Patients who are not candidates for knee replacement
The procedure is most effective when diagnostic nerve blocks have confirmed the targeted nerves are responsible for the pain.
How Radiofrequency Ablation Works
Pain from joints is transmitted through small sensory nerves.
Examples include:
- Medial branch nerves that supply facet joints
- Lateral branch nerves associated with SI joint pain
- Genicular nerves that transmit knee pain
During RFA:
- A specialized needle is positioned next to the targeted nerve
- Radiofrequency energy generates controlled heat
- The nerve's ability to transmit pain signals is interrupted
- Pain perception decreases while normal movement remains intact
Over time, the nerve may regenerate, which is why pain relief is typically temporary rather than permanent.
Why Medial Branch Blocks Are Often Performed First
Before radiofrequency ablation is recommended for facet joint pain, patients typically undergo one or more diagnostic medial branch blocks.
These injections temporarily numb the nerves suspected of causing pain.
If the Block Provides Significant Relief
The physician can confirm the nerve is contributing to symptoms and may recommend radiofrequency ablation.
If the Block Does Not Provide Relief
Another pain source may be responsible, and alternative treatment options can be explored.
This process helps improve treatment accuracy and outcomes.
What Conditions Respond Best to RFA?
The best candidates are patients whose pain originates from specific joints rather than nerve compression.
Radiofrequency ablation tends to work well for:
- Facet-mediated neck pain
- Facet-mediated low back pain
- Chronic spinal arthritis pain
- Sacroiliac joint pain
- Chronic knee pain
The procedure is generally not used to treat:
- Disc herniations
- Sciatica
- Severe spinal stenosis
- Vertebrogenic pain treated with Intracept®
A comprehensive evaluation is necessary to determine whether RFA is appropriate.
What to Expect During the Procedure
Radiofrequency ablation is performed on an outpatient basis using fluoroscopic imaging guidance.
During Treatment
- The treatment area is cleaned and sterilized
- Local anesthetic is administered
- Specialized needles are positioned near the target nerves
- Test stimulation may be performed to confirm placement
- Radiofrequency energy is applied to the nerve
The procedure generally takes 30 to 60 minutes depending on the number of nerves being treated.
Most patients remain awake throughout the procedure.
Recovery and Aftercare
Recovery is typically straightforward.
Most patients:
- Return home the same day
- Resume light activities within 24 to 48 hours
- Experience mild soreness at the treatment site
- Return to normal activities within several days
Some temporary discomfort is common while the treated nerves heal.
When Will I Feel Relief?
Unlike injections that may work immediately, radiofrequency ablation often produces gradual improvement.
Typical Timeline
- Mild soreness for several days
- Gradual improvement over 1 to 3 weeks
- Continued improvement over several weeks
Many patients experience substantial reductions in pain and improved daily function.
How Long Does Radiofrequency Ablation Last?
Pain relief duration varies by individual.
Most patients experience relief lasting:
- 6 months
- 9 months
- 12 months
- 18 months or longer
Because nerves can regenerate over time, symptoms may eventually return.
If pain returns and prior treatment was successful, the procedure can often be repeated.
Benefits of Radiofrequency Ablation
Potential benefits include:
- Longer-lasting relief than injections alone
- Reduced reliance on pain medications
- Improved mobility and function
- Minimally invasive outpatient treatment
- No major surgery required
- Quick recovery period
For many patients, RFA provides significant pain reduction while allowing a return to normal activities.
Radiofrequency Ablation vs Steroid Injections
| Radiofrequency Ablation | Steroid Injections |
| Targets pain-transmitting nerves | Targets inflammation |
| Relief often lasts 6–18 months | Relief typically lasts weeks to months |
| Minimally invasive outpatient procedure | Minimally invasive outpatient procedure |
| Often performed after successful diagnostic blocks | Often used earlier in treatment |
Both procedures have important roles depending on the source of pain.
Are You a Candidate for Radiofrequency Ablation?
You may be a candidate if:
- Chronic pain has lasted several months or longer
- Conservative treatments have failed
- Diagnostic nerve blocks provided significant relief
- Pain originates from facet joints, SI joints, or the knee
- Daily activities are limited by pain
A comprehensive evaluation helps determine eligibility.
Safety and Potential Risks
Radiofrequency ablation is generally considered safe when performed by experienced pain specialists.
Potential risks include:
- Temporary soreness
- Bruising
- Bleeding
- Infection
- Temporary numbness
- Temporary increase in pain
- Rare nerve injury
Serious complications are uncommon.
Contraindications and Patient Safety Screening
Every patient undergoes a thorough medical evaluation before treatment.
Absolute Contraindications
- Active infection
- Uncontrolled bleeding disorders
- Lack of patient consent
- Allergy to medications used during the procedure
Relative Contraindications
- Blood-thinning medications
- Pregnancy
- Certain neurological conditions
- Uncontrolled medical conditions
Clinical Evidence and Medical Support
Radiofrequency ablation is one of the most established interventional pain management procedures for chronic facet joint and joint-mediated pain.
Clinical guidance from organizations such as the American Society of Interventional Pain Physicians and North American Spine Society supports the use of image-guided radiofrequency ablation in appropriately selected patients who demonstrate a positive response to diagnostic nerve blocks.
Numerous studies have demonstrated meaningful improvements in pain scores, physical function, and quality of life following treatment.
Insurance Coverage and Medical Necessity
Most insurance providers cover radiofrequency ablation when medically necessary.
Coverage commonly requires:
- Chronic pain symptoms
- Documentation of failed conservative treatment
- Successful diagnostic nerve blocks
- Physician documentation supporting medical necessity
Pre-authorization is often required.
Our team can assist with insurance verification and approval processes.
Why Choose Our Clinic?
- Board-certified pain management specialists
- Advanced fluoroscopic imaging guidance
- Expertise in spinal and joint pain diagnosis
- Personalized treatment planning
- Comprehensive non-surgical pain management solutions
- Focus on long-term pain relief and improved function
Our goal is to identify the source of pain and provide targeted treatment that helps patients regain control of their daily lives.
Serving Patients in Lafayette & Opelousas
Our pain management specialists provide radiofrequency ablation and advanced interventional pain treatments for patients throughout Acadiana.
Lafayette Office
- Lafayette, Louisiana
- (337) 362-8101
Opelousas Office
- Opelousas, Louisiana
- (337) 284-3200
We proudly serve patients from Lafayette, Opelousas, Scott, Broussard, Youngsville, Carencro, Breaux Bridge, New Iberia, Eunice, Crowley, Rayne, and surrounding communities.
Book Your Consultation
If chronic neck pain, back pain, SI joint pain, or knee pain continues to interfere with your daily activities, radiofrequency ablation may provide the long-lasting relief you have been looking for.
Schedule your consultation today to learn whether radiofrequency ablation is right for you.
Lafayette Office
Opelousas Office
Frequently Asked Questions
What is radiofrequency ablation?
Radiofrequency ablation is a minimally invasive procedure that uses controlled heat to interrupt pain signals transmitted by specific sensory nerves.
How long does radiofrequency ablation last?
Most patients experience relief for 6 to 18 months, although results vary based on the condition being treated.
Is radiofrequency ablation painful?
Most patients experience only mild discomfort during the procedure because the treatment area is numbed beforehand.
Can radiofrequency ablation be repeated?
Yes. If symptoms return and previous treatment was successful, radiofrequency ablation can often be safely repeated.
Do I need medial branch blocks before radiofrequency ablation?
In most cases involving facet joint pain, diagnostic medial branch blocks are performed first to confirm the source of pain before proceeding with radiofrequency ablation.