Somatosensory and brainstem auditory evoked potentials in neurodegenerative system disorders

Paolo M. Rossini; Joan B. Cracco

doi:10.1159/000116331

Somatosensory and brainstem auditory evoked potentials in neurodegenerative system disorders

Paolo M. Rossini, Joan B. Cracco

Istituto San Raffaele Pisana

Research output: Contribution to journal › Article › peer-review

Abstract

Brainstem auditory (BAEP) and somatosensory (SEP) evoked potentials to median and peroneal nerve stimulation were investigated in 25 patients with neurodegenerative system disorders: 9 Friedreich’s ataxia, 7 hereditary motor sensory neuropathies, 3 familial spastic paraplegia, 3 olivopontocerebellar atrophy, 1 ataxia telangiectasia and 1 abetalipoproteinemia, BAEPs were abnormal in 39%, SEPs to both upper- and lower-limb stimulation were abnormal in 63%. Serial evoked potential testing paralleled the clinical progression. SEPs were more frequently and severely altered than BAEPs suggesting that SEP testing may be a more sensitive indicator of early involvement of afferent pathways in these disorders.

Original language	English
Pages (from-to)	176-188
Number of pages	13
Journal	European Neurology
Volume	26
Issue number	3
DOIs	https://doi.org/10.1159/000116331
Publication status	Published - 1987

Keywords

Auditory system
Evoked potentials
Neurodegenerative disorders
Somatosensory system

ASJC Scopus subject areas

Clinical Neurology
Neurology

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10.1159/000116331

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AB - Brainstem auditory (BAEP) and somatosensory (SEP) evoked potentials to median and peroneal nerve stimulation were investigated in 25 patients with neurodegenerative system disorders: 9 Friedreich’s ataxia, 7 hereditary motor sensory neuropathies, 3 familial spastic paraplegia, 3 olivopontocerebellar atrophy, 1 ataxia telangiectasia and 1 abetalipoproteinemia, BAEPs were abnormal in 39%, SEPs to both upper- and lower-limb stimulation were abnormal in 63%. Serial evoked potential testing paralleled the clinical progression. SEPs were more frequently and severely altered than BAEPs suggesting that SEP testing may be a more sensitive indicator of early involvement of afferent pathways in these disorders.

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Somatosensory and brainstem auditory evoked potentials in neurodegenerative system disorders

Abstract

Keywords

ASJC Scopus subject areas

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