Pain Management

Radiofrequency Ablation (RFA)

Long-Lasting Pain Relief by Deactivating Pain Nerves

Radiofrequency ablation (RFA) is a minimally invasive procedure that uses heat from radio waves to disable small pain nerves. It’s most often used for patients with facet joint arthritis or sacroiliac joint pain after diagnostic nerve blocks confirm the pain source.

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What Is RFA?

In simple terms: RFA uses heat to stop pain signals from specific nerves.
Scientifically: RFA involves percutaneous placement of radiofrequency electrodes adjacent to medial branch or lateral sacral branch nerves, applying thermal coagulation (80°C for 60–90 seconds) to denature nociceptive fibers and provide long-lasting relief.

Conditions Treated

Facet joint pain
Sacroiliac joint pain
Chronic low back or neck pain not relieved by injections

Benefits of RFA

Relief lasting 6–18 months for many patients
Outpatient, minimally invasive
Improves mobility and quality of life
Safe repeatable procedure if pain returns

Risks & Limitations

Temporary soreness or nerve irritation
Infection or bleeding (rare)
Pain may recur as nerves regenerate

Recovery Timeline

Day 0: Home same day; mild soreness
Weeks 1–2: Relief begins as nerves stop transmitting pain
Months: Relief typically lasts 6–18 months

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Desert Spine and Pain

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Phone: (602) 566-9500
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Email: [email protected]

Dr. David L. Greenwald, MD

Neuro-Spine Surgeon

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