Posterior interlaminar epidural injection is a minimally invasive technique used for the relief of pain in the lumbar spine.
Technical procedure
The technique involves injection of a local anesthetic, with or without corticosteroid, into the epidural space via a posterior interlaminar approach.
Therapeutic goal
• Reduction of inflammation and irritation of spinal nerve roots
• Pain relief
• Improvement of mobility
• Ability to continue physiotherapy or other rehabilitation programs
Indications
• Chronic low back pain and chronic sciatica
• Nerve compression syndromes
• Post-traumatic or post-surgical pain syndromes
Benefits
• Immediate pain relief
• Improved functional capacity
• Safe technique
Clinical approach
In most cases, the procedure is performed using anatomical landmarks or ultrasound guidance. In rare cases, fluoroscopic guidance may be required.