3-point vs 6-point GNRFA for Chronic KOA

The goal of this clinical trial is to compare three-point and six-point Genicular Nerve Radiofrequency Ablation (GNRFA) in adults with chronic knee osteoarthritis (KOA). The main question it aims to answer is whether six- target GNRFA technique is more efficacious than standard three-target GNRFA technique in managing the pain and function of KOA. Consented patients who respond to a diagnostic block will be randomly assigned to either three-point or six-point GNRFA. Researchers will compare pain and function in these two groups.

Inclusion Criteria: * Age 18 years or older * Chronic knee pain for at least 3 months with radiological evidence of KOA graded 2-4 on the Kellgren-Lawrence scale as determined by a radiologist Exclusion Criteria: * unwilling, * unable to communicate in English, * have acute knee pain, * prior knee surgery, * allergies to local anesthetics, * chronic opioid consumption of daily morphine equivalent of \>30 mg for at least four weeks prior to procedure, * neurologic diseases affecting the lower limbs (i.e. previous CVA, MS), * connective tissue diseases affecting the knee, * treatment with intra-articular steroid injections and/or hyaluronic acid in the previous 3 months.