This procedure is used extensively in pain management specialities. This has become very popular these days in view of strong evidence for relief in back pain. 
The procedure is done with X-ray guidance. Patient will be in prone position, the X-ray tube is turned to various position to facilitate the procedure. The procedure is done under local anaesthesia.

1. Patients are advised of sensory changes related to local anaesthetic & expectation that symptoms will return or increase following the procedure.
2. Increased symptom may be managed with rest, ice, & appropriate use of analgesics.
3. Pain diaries to be maintained
4. Patient should be re-evaluated in 2 weeks.