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Spinal Cord Monitoring and Electrodiagnosis pp 27–35Cite as

Monitoring Motor Function of the Spinal Cord: The Descending Segmental Evoked Spinal Cord Potential

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Abstract

Conductive and segmental evoked spinal cord potentials (ESCPs) have been employed since 1982 as a monitor during cervical anterior decompression surgery [3]. Conductive ESCPs, showing the function of the lower extremities, are recorded from the cervical epidural space following stimulation of the thoracic spinnal cord, and segmental ESCPs are elicited by stimulating the median nerve to evaluate the function of the upper extremities. However, it is difficult to monitor motor dysfunction of the upper extremities using these ESCPs during surgery. We confirmed that a potential that descends the spinal cord and passes through the anterior roots is contained in the potential recorded from the median nerve after stimulating the upper cervical spinal cord. Calling this potential the descending segmental evoked spinal cord potential (DS-ESCP), we conducted a study on identification of the origin and conduction route of this potential and its usefulness as a monitor for motor function of the spinal cord.

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References

  1. Harada Y, Takemitsu Y, Atsuta Y, Imai M (1984) Determination of the pathways of ascending and descending conductive spinal cord evoked potentials (SCEP). In: Homma S, Tamaki T (eds) Fundamentals and clinical application of spinal cord monitoring. Saikon Publishing, Tokyo, pp 33–43

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  3. Shinomiya K (1983) Monitoring of the spinal cord function using evoked spinal cord potentials during surgery of the cervical spine. Orthop Traum Surg 26: 1961–1968

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  4. Toyoda A, Kanda K (1984) Origins of spinal cord potentials evoked by stimulation of the cat spinal cord. In: Homma S, Tamaki T (eds) Fundamentals And Clinical Application of Spinal Cord Monitoring. Saikon Publishing, Tokyo, pp 99–111

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  5. Yokoyama M, Shinomiya K, Sato H, Komori H (1987) The experimental study of nerve action potentials recording from the median nerve by stimulating the cervical spinal cord. The Journal of Electrodiagnosis of the Spinal Cord 10: 27–30

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Authors and Affiliations

  1. Department of Orthopedic Surgery, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113, Japan

    M. Yokoyama

Authors
  1. M. Yokoyama
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  2. K. Shinomiya
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  3. H. Sato
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  4. H. Komori
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  5. K. Furuya
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Editor information

Editors and Affiliations

  1. Department of Anesthesiology, Niigata University School of Medicine, Asahi-Machi 1, Niigata 951, Japan

    Koki Shimoji M.D. (Professor and Chairman) (Professor and Chairman)

  2. Department of Orthopaedic Surgery, Faculty of Medicine, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan

    Takahide Kurokawa M.D. (Professor and Director) (Professor and Director)

  3. Department of Orthopaedics, Wakayama Medical College, Wakayama, Japan

    Tetsuya Tamaki M.D. (Professor and Chairman) (Professor and Chairman)

  4. Marine Biomedical Institute Ashbel Smith, Department of Anatomy and Neurosciences, The University of Texas Medical Branch at Galveston, 200 University Boulevard, 77550-2772, Galveston, Texas, USA

    William D. Willis Jr. M.D., PhD. (Director) (Director)

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© 1991 Springer-Verlag Berlin Heidelberg

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Yokoyama, M., Shinomiya, K., Sato, H., Komori, H., Furuya, K. (1991). Monitoring Motor Function of the Spinal Cord: The Descending Segmental Evoked Spinal Cord Potential. In: Shimoji, K., Kurokawa, T., Tamaki, T., Willis, W.D. (eds) Spinal Cord Monitoring and Electrodiagnosis. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-75744-0_5

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  • DOI: https://doi.org/10.1007/978-3-642-75744-0_5

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-75746-4

  • Online ISBN: 978-3-642-75744-0

  • eBook Packages: Springer Book Archive

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