Prevalence of Neuropathic Pain After Non-instrumented Lumbar Spinal Surgery

Inclusion Criteria

• •Patients admitted for scheduled primary lumbar spine surgery without pedicle osteosynthesis or interbody cage.
• •Pathology concerned by programmed surgery: herniated disc or lumbar spinal stenosis, uncomplicated by motor or sphincter deficits.
• •Delay between 1st painful symptoms and surgery \> 48h.
• •Surgery scheduled within 48 hours of onset of symptoms.
• •Presence of cauda equina syndrome
• •Presence of motor-radicular deficit
• •Patients with neurological pathology prior to surgery
• •Major cognitive or sensory disorders preventing completion of the self-questionnaire
• •Patients under guardianship
• •Patients not covered by French social security.
• •Patients who develop an identified neurological pathology after surgery, regardless of the initial surgery (e.g. multiple sclerosis, spinal cord injury, etc.).