is radiofrequency denervation done once
Remember, they are there only to send pain signals, and without them, you will not feel any numbness or weakness in any muscles. The goal of RF facet denervation is to provide long-term pain relief. Studies have shown 50 percent of patients experience relief lasting up to two years. Eventually, the nerves regenerate and your pain may return, at which point the RF denervation procedure can be repeated.