Chinese Medical Sciences Journal ›› 2017, Vol. 32 ›› Issue (4): 260-264.doi: 10.24920/J1001-9294.2017.041

• REVIEW • Previous Articles     Next Articles

Progress in Intraoperative Neurophysiological Monitoring for the Surgical Treatment of Thoracic Spinal Stenosis

Liu Yongsheng, Zhao Yu*()   

  1. Department of Orthopedics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
  • Received:2016-12-27 Online:2017-12-30 Published:2017-12-30
  • Contact: Zhao Yu E-mail:zhaoyupumch@163.com

Abstract:

Thoracic spinal stenosis (TSS) is a group of clinical syndromes caused by thoracic spinal cord compression, which always results in severe clinical complications. The incidence of TSS is relatively low compared with lumbar spinal stenosis, while the incidence of spinal cord injury during thoracic decompression is relatively high. The reported incidence of neurological deficits after thoracic decompression reached 13.9%. Intraoperative neurophysiological monitoring (IONM) can timely provide information regarding the function status of the spinal cord, and help surgeons with appropriate performance during operation. This article illustrates the theoretical basis of applying IONM in thoracic decompression surgery, and elaborates on the relationship between signal changes in IONM and postoperative neurological function recovery of the spinal cord. It also introduces updated information in multimodality IONM, the factors influencing evoked potentials, and remedial measures to improve the prognosis.

Key words: thoracic spinal stenosis, intraoperative neurophysiological monitoring, motor evoked potentials, somatosensory evoked potentials, prognosis

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