A Randomized, Equivalence Trial of Percutaneous Lumbar Adhesiolysis and Caudal Epidural Steroid Injections

Inclusion criteria: * Patients with history of lumbar surgery of at least 6 months duration in the past * Patients over the 18 years of age * Patients with a history of chronic function-limiting low back pain with or without lower extremity pain of at least 6 months duration * Patients who are competent to understand the study protocol and provide voluntary, written informed consent and participate in outcome measurements Exclusion criteria: * Post surgery, central spinal stenosis, and facet joints as sole pain generators * Unstable or heavy opioid use * Uncontrolled psychiatric disorders * Uncontrolled medical illness * Any conditions that could interfere with the interpretation of the outcome assessments * Pregnant or lactating women * Patients with a history or potential for adverse reaction(s) to local anesthetics or steroid.