Electrophysiologic evaluation of lumbosacral radiculopathies: Electromyography, late responses, and somatosensory evoked potentials

M. J. Aminoff, D. S. Goodin, G. J. Parry, Nicholas Barbaro, P. R. Weinstein, M. L. Rosenblum

Research output: Contribution to journalArticle

154 Citations (Scopus)

Abstract

We compared the diagnostic utility of EMG, F wave and H-reflex studies, and peroneal and dermatomal SEPs in evaluating 28 patients with clinically unequivocal L-5 or S-1 compressive root lesions. The single most useful electrophysiologic technique was EMG, which often provided evidence of denervation in a myotomal pattern when other electrophysiologic findings were normal. We found abnormal late responses in 14 patients, but always in association with EMG abnormalities. Peroneal-derived SEPs were always normal. Dermatomal SEPs confirmed the diagnosis in seven patients, including two in whom other electrophysiologic studies were normal.

Original languageEnglish (US)
Pages (from-to)1514-1518
Number of pages5
JournalNeurology
Volume35
Issue number10
StatePublished - 1985
Externally publishedYes

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Radiculopathy
Somatosensory Evoked Potentials
Electromyography
H-Reflex
Denervation

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Aminoff, M. J., Goodin, D. S., Parry, G. J., Barbaro, N., Weinstein, P. R., & Rosenblum, M. L. (1985). Electrophysiologic evaluation of lumbosacral radiculopathies: Electromyography, late responses, and somatosensory evoked potentials. Neurology, 35(10), 1514-1518.

Electrophysiologic evaluation of lumbosacral radiculopathies : Electromyography, late responses, and somatosensory evoked potentials. / Aminoff, M. J.; Goodin, D. S.; Parry, G. J.; Barbaro, Nicholas; Weinstein, P. R.; Rosenblum, M. L.

In: Neurology, Vol. 35, No. 10, 1985, p. 1514-1518.

Research output: Contribution to journalArticle

Aminoff, MJ, Goodin, DS, Parry, GJ, Barbaro, N, Weinstein, PR & Rosenblum, ML 1985, 'Electrophysiologic evaluation of lumbosacral radiculopathies: Electromyography, late responses, and somatosensory evoked potentials', Neurology, vol. 35, no. 10, pp. 1514-1518.
Aminoff MJ, Goodin DS, Parry GJ, Barbaro N, Weinstein PR, Rosenblum ML. Electrophysiologic evaluation of lumbosacral radiculopathies: Electromyography, late responses, and somatosensory evoked potentials. Neurology. 1985;35(10):1514-1518.
Aminoff, M. J. ; Goodin, D. S. ; Parry, G. J. ; Barbaro, Nicholas ; Weinstein, P. R. ; Rosenblum, M. L. / Electrophysiologic evaluation of lumbosacral radiculopathies : Electromyography, late responses, and somatosensory evoked potentials. In: Neurology. 1985 ; Vol. 35, No. 10. pp. 1514-1518.
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