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Blog/Radiofrequency Ablation
Nerve Pain10 min read

Radiofrequency Ablation: Long-Lasting Relief for Facet and SI Joint Pain

TL;DR

Radiofrequency ablation (RFA) uses precisely controlled heat energy — delivered through a specialized electrode needle — to interrupt the medial branch nerves that transmit facet joint pain signals to the brain. The result is 6–18 months of sustained pain relief for chronic cervical, thoracic, and lumbar facet joint pain, as well as sacroiliac joint dysfunction. RFA is performed under fluoroscopic guidance as an outpatient procedure, requires no surgery, and can be repeated as nerves naturally regenerate.

Key Features

  • Fluoroscopy-guided electrode placement
  • Controlled 80°C heat ablation
  • Medial branch nerve targeting
  • Outpatient — no surgery required
  • Diagnostic block prerequisite confirms candidacy
  • Repeatable as nerves regenerate

Key Benefits

  • 6–18 months of sustained pain relief
  • Eliminates the nerve signal causing pain
  • No general anesthesia or surgical incision
  • Avoids systemic opioid side effects
  • Restores function and mobility
  • Enables active physical rehabilitation

How Radiofrequency Ablation Works

Radiofrequency ablation works by delivering alternating electrical current at radiofrequency wavelengths through a specialized electrode needle positioned adjacent to the target nerve. The electrical current generates ionic agitation in the surrounding tissue, producing heat at a precisely controlled temperature — typically 80°C (176°F) — that disrupts the nerve's ability to transmit pain signals without causing damage to surrounding structures.

For facet joint pain, the target is the medial branch nerve — a small sensory nerve that innervates the facet joint capsule and transmits pain signals from arthritic or injured facet joints to the brain. By ablating the medial branch nerve at the appropriate spinal level, RFA eliminates the pain signal at its source, providing relief that lasts until the nerve naturally regenerates — typically 6–18 months.

Importantly, the medial branch nerve carries only sensory information from the facet joint — it does not control motor function or sensation in the limbs. Ablating it does not cause weakness, numbness, or loss of function.

Who Is a Candidate for RFA?

RFA candidacy is determined through a two-step diagnostic process. First, the patient undergoes medial branch blocks — diagnostic injections of local anesthetic that temporarily numb the target nerve. If the patient achieves ≥50–80% pain relief from the diagnostic blocks (depending on insurance requirements), they are confirmed as an appropriate RFA candidate with predictable outcomes.

Ideal Candidates

  • Chronic facet joint pain (cervical, thoracic, lumbar)
  • Sacroiliac joint dysfunction
  • ≥50% relief from diagnostic medial branch blocks
  • Failed conservative care (PT, medications)
  • Seeking to avoid or delay surgery
  • Opioid reduction goals

Not Appropriate For

  • Active infection at the procedure site
  • Bleeding disorders or anticoagulation
  • Radicular pain from disc herniation (different treatment)
  • Pregnancy
  • Implanted cardiac pacemaker (relative contraindication)
  • Allergy to local anesthetics

Maximizing Your RFA Results

RFA creates a pain-free window of 6–18 months — but the outcome depends significantly on what you do during that window. At NYC Pain Management, RFA is always coordinated with physical therapy and functional medicine to maximize long-term benefit.

Physical Therapy

Use the pain-free window to rebuild core strength, correct posture, and restore biomechanical function — reducing the load on facet joints and slowing degenerative progression.

Functional Medicine

Anti-inflammatory dietary protocols, omega-3 supplementation, and metabolic optimization reduce systemic inflammation that accelerates joint degeneration.

Repeat RFA

When nerves regenerate and pain returns, RFA can be safely repeated — maintaining long-term pain control without surgery or opioids.

Chronic Back or Neck Pain from Facet Joints?

Find out if you're a candidate for radiofrequency ablation at NYC Pain Management in Rego Park, Queens. Most insurance plans accepted.

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