The clinical application of neurogenic motor evoked potentials to monitor spinal cord function during surgery

The purpose of this study was to report results from 300 cases (177 children, 123 adults) administered somatosensory and neurogenic motor evoked potentials during surgery. Of these 300 cases, there were 16 cases of spinal fractures, 16 neurosurgical cases, 28 vascular cases, and 240 cases of electiv...

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Bibliographic Details
Published in:Spine (Philadelphia, Pa. 1976) Pa. 1976), 1991-01, Vol.16 (8S), p.S385-S390
Main Authors: OWEN, J. H, BRIDWELL, K. H, GRUBB, R, JENNY, A, ALLEN, B, PADBERG, A. M, SHIMON, S. M
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Aged, 80 and over
Biological and medical sciences
Child
Evoked Potentials, Somatosensory
Humans
Kyphosis - physiopathology
Kyphosis - surgery
Medical sciences
Middle Aged
Monitoring, Physiologic
Orthopedic surgery
Scoliosis - physiopathology
Scoliosis - surgery
Spinal Cord - physiology
Spinal Cord Diseases - physiopathology
Spinal Cord Diseases - surgery
Spinal Fractures - physiopathology
Spinal Fractures - surgery
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
Vascular Diseases - physiopathology
Vascular Diseases - surgery
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Summary:The purpose of this study was to report results from 300 cases (177 children, 123 adults) administered somatosensory and neurogenic motor evoked potentials during surgery. Of these 300 cases, there were 16 cases of spinal fractures, 16 neurosurgical cases, 28 vascular cases, and 240 cases of elective posterior spinal deformity requiring instrumentation. Results indicated that somatosensory evoked potentials, especially cortical components, demonstrated greater variability than neurogenic motor evoked potentials. Variability was attributed to anesthesia and unknown factors. Neurogenic motor evoked potentials proved to be a more valid indicator of postoperative motor status than somatosensory evoked potentials. Based on their anatomic substrates and results from this study, it was recommended that somatosensory evoked potentials and neurogenic motor evoked potentials be used to monitor spinal cord function during surgery that would place that structure at risk.
ISSN:0362-2436
1528-1159
DOI:10.1097/00007632-199108001-00016