Correlation of motor-evoked potentials, somatosensory-evoked potentials, and the wake-up test in a case of kyphoscoliosis

The ability to monitor the descending motor pathways of the spinal cord during surgery is an important goal in neurophysiologic monitoring of spinal deformities. This report describes a case of a severe spinal deformity for which instrumentation and reduction carried a significant risk of neurologic...

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Bibliographic Details
Published inJournal of spinal disorders Vol. 6; no. 3; p. 194
Main Authors Glassman, S D, Johnson, J R, Shields, C B, Backman, M H, Paloheimo, M P, Edmonds, Jr, H L, Linden, R D
Format Journal Article
LanguageEnglish
Published United States 01.06.1993
Subjects
Adult
Anesthesia, General
Combined Modality Therapy
Consciousness
Evoked Potentials
Evoked Potentials, Somatosensory
Female
Humans
Internal Fixators
Kyphosis - physiopathology
Kyphosis - surgery
Monitoring, Intraoperative - methods
Motor Neurons - physiology
Neurons, Afferent - physiology
Osteotomy
Paralysis - prevention & control
Postoperative Complications - prevention & control
Scoliosis - physiopathology
Scoliosis - surgery
Spinal Fusion
Thoracotomy
Traction
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Summary:The ability to monitor the descending motor pathways of the spinal cord during surgery is an important goal in neurophysiologic monitoring of spinal deformities. This report describes a case of a severe spinal deformity for which instrumentation and reduction carried a significant risk of neurologic complications. During the procedure, changes in neurologic status were monitored simultaneously using both SSEPs and tcMMEPs. The reliability of these two complimentary modalities was then verified by concurrent wake-up tests. This case provides documentation of the reliability of tcMMEP responses when an accurate assessment of motor function was necessary.
ISSN:0895-0385
DOI:10.1097/00002517-199306030-00002