Acoustic nerve in peripheral neuropathy: A BAEP study

D. Pareyson, V. Scaioli, E. Berta, A. Sghirlanzoni

Research output: Contribution to journalArticlepeer-review


We performed BAEP study to evaluate acoustic nerve involvement in 102 patients affected by peripheral neuropathies of different etiology, predominantly hereditary and inflammatory acquired neuropathies. Prolonged latency of early waves, indicative of slowing in VIII nerve conduction, was found in a high percentage of cases. Abnormalities were far more frequent (44 % vs 14%) and severe in patients with demyelinating rather than axonal neuropathy. Among demyelinating neuropathy, the most severe latency delay was found in Hereditary Motor and Sensory Neuropathy type III. The pattern of acoustic nerve involvement differed slightly between Hereditary Motor and Sensory Neuropathy type I and aecuired inflammatory demyelinating polyradiculoneuropathy, perhaps reflecting different pathogenetic mechanisms and different sites of VIII nerve demyelination.

Original languageEnglish
Pages (from-to)359-364
Number of pages6
JournalElectromyography and Clinical Neurophysiology
Issue number6
Publication statusPublished - 1995

ASJC Scopus subject areas

  • Physiology
  • Clinical Neurology


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