Three modality evoked potentials in Charcot-Marie-Tooth disease (HMSN-1)

Natan Gadoth, Carlos R. Gordon, Naomi Bleich, Hilel Pratt

Research output: Contribution to journalArticlepeer-review

Abstract

Sixteen patients with dominant hereditary motor-sensory neuropathy type I (HMSN I), members of 5 families, underwent trimodality evoked potential studies. All patients had clinically normal optic nerves. History of deafness was present in 3 patients and sensory-neural hearing defect was found in 5 of 7 patients in whom audiometry was obtained. In 43.7 percent of the subjects significant prolongation of P100 of the VEP was found. Prolongation of N19 of the SEP was found in all 12 subjects examined. Significant bilateral prolongation of peak I of the ABEP was found in 37.5 percent of the subjects and in 50 percent of the ears examined: these findings indicated that in addition to peripheral nerves, the myelin of the optic and cochlear nerves is also affected in HMSN type I.

Original languageEnglish
Pages (from-to)91-94
Number of pages4
JournalBrain and Development
Volume13
Issue number2
DOIs
StatePublished - 1991

Keywords

  • Charcot-Marie-Tooth
  • Evoked potentials
  • auditory, deafness
  • hereditary motor-sensory neuropathy

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