Percutaneous vs Conventional Radiofrequency Applications for the Treatment of Knee Osteoarthritic Pain

For the percutaneous radiofrequency treatment, a medium electrode size will be placed on either side of the knee: one skin electrode on the inside and one on the outside of the knee for 15 minutes.

For the conventional radiofrequency treatment, a 50 Hz sensory stimulation will be performed with a 10 cm, 22 gauge, 10 mm active tip radiofrequency cannula. After receiving the appropriate sensory and motor stimuli, a radiofrequency of 90°C will be applied for 90 s.