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HPC | Hertfordshire Pain Consultants

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    Hertfordshire
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Pulsed Denervation Techniques

Pulse denervation is a technique that can produce long term benefit for nerve related pain in those with short term benefit from local anaesthetic injections. It is useful in a wide range of conditions.

  • Spermatic cord denervation for chronic testicular pain
  • Dorsal root ganglion denervation for leg symptoms due to spinal nerve irritation (radiculopathy)
  • Infrapatellar nerve denervation for chronic knee pain
  • Occipital nerve denervation for chronic headache
  • Suprascapular denervation for chronic shoulder

This is a non-destructive technique that uses very tiny pulses of electricity delivered close to the nerve through a special needle that alters the chemicals within the nerve that process painful sensations.  The procedure itself is very well tolerated and done as a day-case procedure.

Indicated if you have a positive response to local anaesthetic injection.
Before the Procedure
  • The pulsed deneravtion is a day surgery procedure.
  • Do not eat for 6 hours before your injection.  You can drink water up to 2 hours prior to the procedure
  • Continue all regular medication on the day of the procedure except blood thinning medications such as warfarin or clopidrogrel which will need to be discussed with your pain specialist
  • Please ensure you have someone to drive you home, and stay for the first 24 hours
During the Procedure
  • You may be offered sedation to minimise discomfort.  Many people can tolerate the procedure under local anaesthetic.
  • The nerve is located using a special needle and stimulated by passing a tiny current down.  You will be asked if this reproduces your normal pain sensations.
  • Once the nerve is located local anaesthetic and steroid are injected and the treatment starts.
  • The procedure usually takes 30 minutes with discharge from hospital after approx 2 hours
After the procedure
  • Normal activities including work may typically be resumed the following day
  • Dorsal root ganglion denervation – may experience some short-lived numbess/ weakness legs
  • Spermatic cord dernevation – if testicular swelling occurs please report to doctor
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