Paresthesia thresholds in spinal cord stimulation: a comparison of theoretical results with clinical data

Johannes J. Struijk, Jan Holsheimer, Giancarlo Barolat, Jiping He, Herman B.K. Boom

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    Abstract

    The potential distributions produced in the spinal cord and surrounding tissues by dorsal epidural stimulation at the midcervical, midthoracic, and low thoracic levels were calculated with the use of a volume conductor model. Stimulus thresholds of myelinated dorsal column fibers and dorsal root fibers were calculated at each level in models in which the thickness of the dorsal cerebrospinal fluid (CSF) layer was varied. Calculated stimulus thresholds were compared with paresthesia thresholds obtained from measurements at the corresponding spinal levels in patients. The influences of the CSF layer thickness, the contact separation in bipolar stimulation and the laterality of the electrodes on the calculated thresholds were in general agreement with the clinical data
    Original languageEnglish
    Pages (from-to)101-108
    JournalIEEE transactions on rehabilitation engineering
    Volume1
    Issue number2
    DOIs
    Publication statusPublished - 1993

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