Journal article
Transcranial motor-evoked potentials combined with response recording through compound muscle action potential as the sole modality of spinal cord monitoring in spinal deformity surgery
Spine, Vol.33(10), pp.1100-1106
2008
Abstract
STUDY DESIGN. This study is a prospective review of all spinal cord monitoring procedures in our unit from 1999 to 2004 in patients undergoing spinal deformity correction surgery. OBJECTIVE. To report the sensitivity and specificity of transcranial motor-evoked potentials (MEP) and compound muscle action potential (CMAP) monitoring as the sole modality in spinal deformity correction surgery. SUMMARY OF BACKGROUND DATA. Combined spinal cord monitoring with somatosensory-evoked potentials and MEP has been widely used. The use of CMAP as the only modality has not been widely used and its efficacy has not been fully elucidated. METHODS. The intraoperative monitoring outcomes were compared with patient's postoperative clinical outcomes. The sensitivity and specificity were calculated and determined for our monitoring protocol. RESULTS. Transcranial MEPs were measured in 144 patients in 172 procedures. In 2 patients (3 procedures), we were unable to record any CMAPs. There were 15 intraoperative monitoring changes. There were no new postoperative neurological deficits. CONCLUSION. The monitoring criteria are sufficiently strict to achieve a sensitivity of 1.0 and a specificity of 0.97. Monitoring of CMAPs alone has been adequate to avoid clinical neurological deficits. © 2008 Lippincott Williams & Wilkins, Inc.
Details
- Title
- Transcranial motor-evoked potentials combined with response recording through compound muscle action potential as the sole modality of spinal cord monitoring in spinal deformity surgery
- Authors
- B Hsu (Author) - University of SydneyA K Cree (Author) - University of SydneyJim Lagopoulos (Author) - University of SydneyJ L Cummine (Author) - University of Sydney
- Publication details
- Spine, Vol.33(10), pp.1100-1106
- Publisher
- Lippincott Williams & Wilkins
- Date published
- 2008
- DOI
- 10.1097/BRS.0b013e31816f5f09
- ISSN
- 0362-2436
- Organisation Unit
- University of the Sunshine Coast, Queensland; Thompson Institute
- Language
- English
- Record Identifier
- 99449587102621
- Output Type
- Journal article
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- Domestic collaboration
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- Clinical Neurology
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