Movement Along the Spine Induced by Transcranial Electrical Stimulation Related Electrode Positioning

Spine
E HoebinkC van Hal

Abstract

A prospective, nonrandomized cohort study. To describe a technique quantifying movement induced by transcranial electrical stimulation (TES) induced movement in relation to the positioning of electrodes during spinal deformity surgery. TES induced movement may cause injuries and delay surgical procedures. When TES movements are evoked, muscles other than those being monitored any adjustments in stimulation protocols and electrode positioning may be expected to minimize movement whereas preserving quality of monitoring. In this study, seismic evoked responses (SER) induced through TES were studied at different electrode positions. Intraoperative TES-motor evoked potentials were carried out in 12 patients undergoing corrective spine surgery. Accelerometer transducers recorded SER in two directions at four different locations of the spine for TES-electrode montage groups Cz-Fz and C3-C4. A paired t test was used to compare the means of SER and the relationship between movement and TES electrode positioning. SERs were strongest in the upper body. All mean SERs values for the Cz-Fz group were up to five times larger when compared with the C3-C4 group. However, there were no differences between the C3-C4 and Cz-Fz groups in the lower...Continue Reading

References

Dec 13, 2002·Journal of Clinical Neurophysiology : Official Publication of the American Electroencephalographic Society·David B MacDonald
Jul 11, 2007·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Thomas N PajewskiLawrence H Phillips
Dec 25, 2007·Journal of the American College of Surgeons·Peter MillsEd Dunn
Aug 21, 2012·Surgical Neurology International·Mark M Stecker
Sep 24, 2013·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·D B MacdonaldUNKNOWN American Society of Neurophysiological Monitoring

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Citations

Jan 4, 2017·Journal of Clinical Neurophysiology : Official Publication of the American Electroencephalographic Society·Henricus L JournéeMoyo C Kruyt

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