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  • Title: Direct spinal versus peripheral nerve stimulation as monitoring techniques in epidurally recorded spinal cord potentials.
    Author: Morioka T, Tobimatsu S, Fujii K, Nakagaki H, Fukui M, Kato M, Shibata K, Takahashi S.
    Journal: Acta Neurochir (Wien); 1991; 108(3-4):122-7. PubMed ID: 2031472.
    Abstract:
    We recorded spinal cord evoked potentials (SCEPs) and spinal somatosensory evoked potentials (spinal SEPs) in 30 operations following stimulation of the epidural spinal cord and the peripheral nerve, respectively, to compare their feasibility as an intraoperative technique for spinal cord monitoring. SCEPs produced quicker responses and had larger amplitudes with simpler waveforms. SCEPs could reflect residual function of the pathological spinal cord and predict the postoperative clinical outcome, findings which are not observed with spinal SEPs. Moreover, SCEPs had a much higher sensitivity to spinal cord insult. Therefore, we conclude that the SCEPs were more appropriate indicator than the spinal SEPs as an intra-operative monitoring method for spinal cord function.
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