• Zion Zibly, Mayur Sharma, Andrew Shaw, and Milind Deogaonkar.
• Department of Neurosurgery, Center of Neuromodulation, Wexner Medical Center, The Ohio State University, Columbus, USA.
• Clin Neurol Neurosurg. 2014 Dec 1;127:101-5.

ObjectivePost herpetic neuralgia is a chronic, debilitating pain with very few management options and is often refractory to treatment. We present our experience with a series of 4 patients who underwent subcutaneous peripheral field stimulation for treatment of thoracic post herpetic neuropathic pain.MethodsFour patients with intractable thoracic post herpetic neuropathic pain were operated after maximum medical treatment and a neuropsychological evaluation. Multiple percutaneous electrodes were placed in the subcutaneous plane in the region of pain for a 7-day trial. Following a successful trial (more than 50% reduction of pain), the electrodes were then internalized and attached to a pulse generator. Visual analog scores (VAS) were studied during the preoperative, immediate postoperative and last follow-up visits. Long-term treatment results were determined by retrospective review of medical records. Average follow-up period was 28.2 months.ResultsAll 4 patients showed persistent improvement in their VAS pain scores with an average improvement of more than 75%. There were no treatment failures and no complication requiring re-operation was reported.ConclusionPeripheral field stimulation for the treatment of post herpetic neuropathic pain is a safe and effective method for pain relief for an extremely complex problem with very few solutions. Patient selection and proper lead placement is most important for the success of treatment.Copyright © 2014 Elsevier B.V. All rights reserved.

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