The primary aim of this exploratory study was to determine the demographic, clinical, and technical factors associated with treatment outcome, to create a better select treatment candidates.

Inclusion Criteria:

• patients in whom percutaneous epidural lysis of adhesions was performed

Exclusion Criteria:

• nonadhesiolytic procedure
• lack of follow-up
• incomplete outcome data

Patients presenting with low back or leg pain who have not had positive responsive to the conservative treatments or procedures, such as epidural steroid injections.