Low Back Pain
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Low back pain for more 12 weeks. Failure of conservative treatments (oral medications; physical therapy). Satisfy criteria for lumbar epidural; facet; intradiscal or paravertebral intramuscular injection.
Exclusion criteria
Exclusion criteria: Refusal to participate in research. Age younger than 18 year old or older than 80 year old. Active infection. Neoplasm. Conditions requiring surgery: cauda equina syndrome; spinal instability; progressive neurological deficit. Severe stenosis. Allergy to contrast material or local anesthesia. Presence of unstable psychiatric condition. Hematologic disorders: thrombocytopenia; coagulation disorders; sickle cell disease.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Relief of low back pain on the Visual Analog Scale is expected to be found in at least 30% of patients. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary outcomes are not expected. | — |
Countries
Brazil