... Publisher. All rights reserved Research Paper Evaluation of Lumbar Facet Joint Nerve Blocks in Managing Chronic Low Back Pain: A Randomized, Double-Blind, Controlled Trial with a 2-Year Follow-Up ... facet joint nerve blocks with or without steroids in managing chronic low back pain of facet joint origin. Summary of Background Data: Lumbar facet joints have been shown as the source of chronic ... of lumbar facet joint nerve blocks in the management of chronic low back pain: A preliminary report of a randomized, double-blind controlled trial. Clinical Trial NCT000355914. Pain Physician....