Transcranial magnetic evoked potentials used to monitor the spinal cord during neuroradiologic angiography of the spine

L. C. Anderson, D. E. Hemler, J. M. Luethke, Richard E Latchaw

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A current topic in intraoperative monitoring of the spinal cord is the inability of the somatosensory evoked potentials (SSEP) to adequately document anterior spinal cord function. Transcranial magnetic stimulation (TMS) of the cortex for assessing corticospinal (efferent) pathways is a developing modality. The authors demonstrate a potential application of TMS as a monitoring medium for use in the neuroradiology suite. Limitations of intraoperative applications of cortical magnetic stimulation associated with cortical suppression are caused by anesthetics and neuromuscular blockers. These limitations generally are not an issue in the neuroradiology suite. In this report, motor improvement was correctly predicted by magnetic evoked potential amplitudes, whereas an SSEP remained unchanged during neuroradiologic angiography.

Original languageEnglish (US)
Pages (from-to)613-616
Number of pages4
JournalSpine
Volume19
Issue number5
StatePublished - 1994
Externally publishedYes

Fingerprint

Somatosensory Evoked Potentials
Transcranial Magnetic Stimulation
Evoked Potentials
Spinal Cord
Angiography
Spine
Neuromuscular Blocking Agents
Intraoperative Monitoring
Efferent Pathways
Anesthetics

Keywords

  • arteriovenous malformation
  • intraoperative monitoring
  • neuroradiology
  • somatosensory evoked potentials
  • transcranial magnet evoked potentials

ASJC Scopus subject areas

  • Physiology
  • Clinical Neurology
  • Orthopedics and Sports Medicine

Cite this

Transcranial magnetic evoked potentials used to monitor the spinal cord during neuroradiologic angiography of the spine. / Anderson, L. C.; Hemler, D. E.; Luethke, J. M.; Latchaw, Richard E.

In: Spine, Vol. 19, No. 5, 1994, p. 613-616.

Research output: Contribution to journalArticle

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