Lead Sponsor

University of Colorado, Denver

Age

18 - 95 years

Sex

ALL

Healthy Volunteers

No

•Suspicion of z-joint mediated low back pain
•Pain rating of ≥4/10 on a VAS scale
•Symptom duration of 3 or more months
•Failed conservative therapy (minimum of PT and pain medications)
•Have diagnosis of lumbar facet syndrome after MRI, X-ray, or CT imaging of any severity and a medial branch block with local anesthetic that confirms lumbar facet pathology.

•Inability to undergo fluoroscopically guided procedures
•Current pregnancy
•Prior spinal surgery with hardware
•Intolerance to local anesthesia, contrast medium, or blood derivatives
•Local or systemic infection or spinal infection
•Irreversible coagulopathy
•Patients that require strict anticoagulation and cannot be off antiplatelet medication for at least a week
•Less than 18 years of age
•Corticosteroid shot within last 3 months into affected lumbar facet joint because of concern of damage to cartilage in the joint in that time period.
•Patients with workman compensation related back pain
•Patients with rheumatic cause of lumbar facet arthritis.
•Patients who have had a radiofrequency neurotomy of the nerves innervating their affected facet joints within the last year

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