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The application of somatosensory-evoked potentials in orthopedic spine surgery

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Summary

This review will report results and experience gained with intraoperative monitoring SSEP's (somatosensory-evoked potentials) during 61 operations on the spine for correction of scoliotic curvatures. The potentials were elicited by uni- or bilateral stimulation of the tibial nerve and recorded from the scalp. Four cases, in which we observed intraoperative or postoperative alterations in waveform or neurologic status, are described. The method is easily applicable, noninvasive, and can—in spite of its sensitivity to environmental influences-well provide information about the neurologic function of the spinal cord.

Zusammenfassung

Es wird über Ergebnisse und Erfahrungen der intraoperativen Überwachung mit SSEP's (somatosensorisch evozierte Potentiale) während 61 Eingriffen an der Wirbelsäule zur Korrektur von skoliotischen Verkrümmungen berichtet. Durchgeführt wurde die uni- oder bilaterale Stimulation des N. tibialis posterior and die erhaltenen Potentiale wurden cortical abgeleitet. 4 Fälle, bei denen sich intraoperativ oder postoperativ Änderungen des Kurvenverlaufes oder des neurologischen Status ergeben haben, werden näher besprochen. Die Methode ist einfach anwendbar, nicht invasiv für den Patienten und erlaubt trotz ihrer Empfindlichkeit gegenüber äußeren Einflüssen gute Rückschlüsse auf die Funktionstüchtigkeit des Rückenmarks.

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Authors and Affiliations

  1. Universitätsklinik fur Orthopädie, Anichstraße 35, A-6020, Innsbruck, Austria

    A. Mostegl & R. Bauer

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  1. A. Mostegl
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  2. R. Bauer
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Mostegl, A., Bauer, R. The application of somatosensory-evoked potentials in orthopedic spine surgery. Arch. Orth. Traum. Surg. 103, 179–184 (1984). https://doi.org/10.1007/BF00435551

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  • DOI: https://doi.org/10.1007/BF00435551

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