Somatosensory evoked potential |
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Authors: | M T Stechison S G Panagis S S hReinhart |
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Institution: | (1) Department of Neurological Surgery and Center for Cranial Base Surgery, University of Pittsburgh, Pittsburgh, PA;(2) Neurosurgery Clinical Electrophysiology Laboratory, Division of Neurologic Surgery, The Ohio State University, Columbus, OH, USA |
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Abstract: | Summary Somatosensory evoked potentials (SSEPs) have been used to help minimize neurologic morbidity during spinal surgery. While
this is a sensory test it has been used as an inference of motor function. The failure to always achieve the latter goal has
resulted in some pessimism regarding the value of this test. In this series of 161 operations in 150 patients, it was demonstrated
that SSEPs were recordable under anesthesia in 87% of patients. Of these patients, 12% had their spinal surgery interrupted
due to significant neurophysiologic changes; of these patients, 18% had new neurologic deficits postoperatively. There were
no cases with new neurologic deficits who had no changes in their SSEPs. It was concluded that SSEP monitoring may be helpful
in identifying potentially neurologically threatening surgical maneuvers in a significant number of patients. |
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Keywords: | SSEP spinal surgery spinal function |
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