It turns out that pulsed radio frequency helps to relive low back pain as well as sciatica. There was a study done at RSNA that put this idea forth. Researchers from the country of Italy performed a prospective study in order to figure out the clinical impact of CT guided pulsed radio frequency in the management of patients with a certain kind of back issue that did not respond to the usual kinds of therapeutic strategies.
Read more: Pulsed Radiofrequency Relieves Low Back Pain, Sciatica