Percutaneous epidural stimulation of the spinal cord for relief of pain

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Abstract
✓ Percutaneous epidural stimulation of the spinal cord was carried out in 20 patients with intractable pain. The procedure proved simple, and no major complications were encountered. The long-term results were comparable to the results obtained after a dorsal column stimulator implant by laminectomy. The percutaneous technique allowed extended trial stimulation without committing the patient to a major operation. Those patients in whom stimulation did not alleviate pain could be identified during a 2-week observation period, and the system could be removed easily. Seven patients were placed on chronic autostimulation and only one of those failed to experience continuing pain relief throughout the follow-up time of up to 2 years. It is concluded that percutaneous epidural stimulation constitutes a valid alternative to dorsal column stimulator implantation.

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