Dermatomal Somatosensory Evoked Potentials(DSEP) in Disorders of the Lumbar spine. Electophysiological Evaluation.

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Dermatomal Somatosensory Evoked Potentials (DSEP) have been described as a technique for stimulating individual dermatomes and recording from the scalp. However diagnosis using these may not be clear because of their vague basis or artifacts. In the present study, DSEPs were recorded from 31 cases with lumbar spinal problems and were accurately evaluated, using our simple criteria for visual impression. We used strict criteria of DSEP detected sensory deficit or pain using specific questions. Our criteria which might make visual assessment possible, failed to detect sensory deficit or pain, but successfully diagnosed motor deficit. Based on the abovementioned results, DSEPs would reflect motor function and be useful for electrophysiological assessment of lumbar spinal disorders.
西日本整形・災害外科学会の論文