This study aims to compare the clinical outcomes of 45 V and 60 V pulsed radiofrequency (PRF) applied to the cervical dorsal root ganglion (DRG) in patients with cervical radicular pain. Treatment efficacy will be evaluated using the Numerical Rating Scale (NRS) for pain intensity and the Neck Disability Index (NDI) for functional disability. Procedure-related adverse events will also be compared to assess the safety of both voltage settings.
Unilateral cervical radicular pain consistent with cervical disc herniation.
Pain intensity of ≥6 on the Numerical Rating Scale (NRS).
Radicular pain persisting for at least 3 months.
MRI evidence of lower cervical nerve root compression consistent with clinical findings.
Bilateral upper extremity pain or predominant axial neck pain.
Cervical spinal stenosis, spondylolisthesis, cervical myelopathy, or other structural spinal disorders causing radicular pain.
Previous cervical spine surgery at the target level.
Cognitive impairment preventing reliable outcome assessment.