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Updated: Jun 4, 2026
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Published on: January 20, 2012
Transcranial magnetic stimulation can diagnose electrical burn-induced myelopathy
Cheong Hoon Seo1, Ki Un Jang, Byoung Chul Lee
1Department of Rehabilitation Medicine, Hangang Sacred Heart Hospital, College of Medicine, Hallym University, Seoul, Republic of Korea. chseomd@gmail.com
Introduction:
We conducted motor- and sensory-evoked potential analyses and investigated their diagnostic value in differentiating between electrical burns without evidence of neurologic injury and those with clinical evidence of myelopathy.
Methods:
We studied high-voltage electrical burn injury patients with lower extremity weakness and evidence of myelopathy and those without any evidence of neurological complications. Motor-evoked potentials (MEPs), somatosensory-evoked potentials (SEPs), and MRI studies of the spinal cord, as well as transcranial magnetic stimulations, were performed. The central motor conduction time (CMCT) was also calculated.
Results:
The upper limb MEP and upper and lower limb SEP variables did not statistically differ between the 2 groups. The CMCT and total motor conduction time recorded in the lower limb were delayed in the burn myelopathy group. MRI revealed no abnormal signal changes in myelopathy patients.
Conclusion:
Our study demonstrates that MEP is useful in identifying myelopathy in patients who have sustained high-voltage electrical burns.
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