Association Between Lumbar Radiofrequency Ablation and Lumbar Multifidus Dysfunction Is Not Clear
American Society of Regional Anesthesia and Pain Medicine (ASRA)One approach to treating chronic low back pain is something called lumbar medial branch nerve radiofrequency ablation/neurotomy (LRFA), which targets painful facet joints. However, it has been suggested that LRFA may lead to multifidus muscle denervation, given its shared innervation from these nerves.