Thermal Radiofrequency Neurolysis Versus Alcoholic Neurolysis of the Genicular Nerves for Treatment of Chronic Knee Pain in Advanced Knee Osteoarthritis

Patients received C-arm guided neurolysis of superior medial \[SM\], superior lateral \[SL\], and inferior medial \[IM\] genicular nerves by thermal radiofrequency.

Patients received C-arm guided injection of each of the three genicular nerves with 1 ml of a solution containing 70% alcohol in 0.25% lidocaine.