Electrophysiologic monitoring during surgery to repair the thoraco-abdominal aorta

Tod B. Sloan, Leslie C. Jameson

Research output: Contribution to journalArticlepeer-review

29 Scopus citations


Prevention of paraplegia during the repair of thoraco-abdominal aortic aneurysms and dissections present a substantial challenge to the operative team. The value of intraoperative electrophysiological monitoring (IOM) is to identify spinal cord ischemia that occurs during the procedure and guide the intraoperative management to reduce the risks of paralysis. The usefulness of IOM techniques requires an understanding of spinal cord blood flow and the spinal cord physiology, the surgical technique and their interaction. This paper will integrate these factors to review the laboratory and clinical experience with somatosensory evoked responses (SSEP) and motor evoked potentials (MEP) during thoraco-abdominal aorta surgery.

Original languageEnglish (US)
Pages (from-to)316-327
Number of pages12
JournalJournal of Clinical Neurophysiology
Issue number4
StatePublished - Aug 2007
Externally publishedYes


  • Aortic aneurysm
  • Motor evoked potentials
  • Somatosensory evoked potentials
  • Surgery

ASJC Scopus subject areas

  • Physiology
  • Neurology
  • Clinical Neurology
  • Physiology (medical)


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