Radiofrequency Ablation

Your procedure will be performed by a specialist interventional radiologist with advanced subspecialty training. The procedure is carried out under CT or ultrasound guidance, ensuring precise and accurate needle placement.

• A specialised needle is inserted through the skin and guided to the target nerve using CT or ultrasound imaging.
• An electrode is placed through the needle to deliver radiofrequency energy to heat the nerve (80°C) or neuromodulate the nerve (42°C), the later modifies nerve function while preserving motor control when needed.
• You will receive local anaesthetic before and after the procedure so you will remain comfortable.
• No general anaesthetic or sedation is required.  
• Pain relief lasts until the nerve regenerates, usually 6–18 months.

You may be suitable for RFA if:

• You have persistent neck, back, or joint pain.
• Diagnostic (trial) nerve blocks have successfully identified the source of pain.
• Conservative treatments (e.g. physiotherapy, medications) have not provided adequate relief.
• You have had limited or short-term relief from steroid injections.

• Long-lasting pain relief (typically 6–18 months)

• Minimally invasive procedure

• Performed under local anaesthetic (you remain awake)

• No hospital stay required (day procedure)

• Quick recovery, most patients return to normal activities within days to a week

• May reduce reliance on pain medications and improve quality of life

• Can aim to avoid or delay surgery when appropriate to do so

RFA is a safe and well-established procedure, but as with any medical treatment, some risks exist.

Short-term (early) risks:

• Mild discomfort or skin sensitivity at the treatment site, especially in the cervical spine
• Temporary nerve irritation  
• Infection or allergic reaction (low risk)
• Incomplete pain relief  

Long-term risks:

• Gradual return of pain as nerves regenerate

• Rare neuropathic or “phantom” pain 

• Usually, three appointments are required:
  1. Two diagnostic (trial) nerve blocks if it is for your spine
  2. The RFA procedure itself (if the block is successful)

• Eat and drink normally unless instructed otherwise

• Wear loose, comfortable clothing

• Leave valuables at home where possible

• Inform staff if you:
  • Take blood thinners (e.g. warfarin)
  • Have a pacemaker or implanted medical device

• Please arrive early

• The procedure takes approximately 20–30 minutes, with about 1 hour total clinic time

• A local anaesthetic will be used to keep you comfortable
• You will remain awake throughout the procedure
• You will be monitored briefly afterward before going home
• You must arrange for someone to drive you home

• You may experience mild discomfort for a few days
• Use ice packs and simple pain relief (e.g. paracetamol, anti-inflammatories if appropriate)
• Avoid strenuous activity for 48 hours
• Do not drive for 24 hours
• Most patients notice improvement within days to weeks

Contact your provider or doctor if you experience:

• Increasing pain, swelling, redness, or warmth at the site
• Fever or any unusual or concerning symptoms

• A member of the team may contact you after the procedure to check your progress
• Additional follow-up will be arranged if needed
• The procedure can be repeated if pain returns over time