Peripheral nerve stimulation (PNS) is designed to manage chronic pain by sending gentle electrical impulses to specific nerves, disrupting pain signals before they reach the brain. This approach is particularly effective for conditions like mononeuritis, neuropathic pain, and certain types of non-neuropathic pain. During PNS, a very thin lead, or small wire, is placed under the skin near the affected nerve for a temporary period, usually around 60 days or as directed by your healthcare team. An external device delivers controlled electrical pulses through this wire, and the stimulation can be adjusted as needed.

The objective is to alter how the nervous system processes pain, potentially offering long-lasting relief beyond the treatment period. After the specified duration, the lead is removed. Some patients experience continued pain relief post-removal, but results can vary. This therapy might eliminate the need for a permanent implanted device, serving as a more conservative approach.

If more relief is needed, options include repeating the PNS therapy for several months or considering a permanent system later, which involves long-term implantation. While the procedure is usually done under local anesthesia, sedation may require avoiding solid food for 8 hours and limiting clear liquids to water up to 2 hours beforehand.

Generally safe, PNS carries minimal risks like infection, bleeding, nerve irritation, or device issues. Medication adjustments due to the procedure's minimal invasiveness are typically not required, but you should consult your care team for specific guidance. Following care instructions is crucial to protect the lead. If PNS isn't sufficient, alternatives include medications, physical therapy, or advanced options like spinal cord stimulation for complex pain situations that don't respond to other therapies. Many patients experience significant improvement, often achieving about 50% or more reduction in pain and better function, though individual outcomes can vary.