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Abstract #74: Motor cortex stimulation for treatment of neuropathic pain: the role of pain assessment and trial-stimulation.

      Introduction: Chronic neuropathic pain affects almost 8% of adults in the United States, about 18 million people per year. Chronic motor cortex stimulation has been successfully used to treat intractable pharmacologically resistant neuropathic pain. Although motor cortex stimulation for neuropathic pain has almost 30 years of history, no standardized approach for this technique has been formed to this time. The surgical technique and optimization of target varies between institutions with most institutions implanting epidural or subdural electrodes based on cortical anatomy or results of functional imaging. In order to further optimize targeting and validate the effect of stimulation before placing the permanent electrodes, we introduced initial assessment with stimulation trial using a temporary grid of subdural electrodes.
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