Acta neurologica Scandinavica · 2000
Evoked potentials in multiple system atrophy (MSA).
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Abele M, Schulz J B, Bürk K, Topka H, Dichgans J, Klockgether T
Аннотация
OBJECTIVES: To study the involvement of pyramidal tracts and sensory pathways in multiple system atrophy (MSA).
MATERIALS AND METHODS: Evoked potential studies were performed in 45 MSA patients suffering from either MSA of cerebellar type (MSA-C) or MSA of parkinsonian type (MSA-P).
RESULTS: Motor evoked potentials were normal in all MSA patients, whereas visual and somatosensory evoked potential abnormalities were found in about 40% of the MSA patients with no significant difference between the cerebellar (MSA-C) and parkinsonian (MSA-P) subgroup. Abnormal latencies of wave III in brainstem auditory evoked potentials were significantly more frequent in MSA-C.
CONCLUSIONS: Abnormalities of somatosensory, visual and auditory evoked potentials are frequent findings in MSA, whereas abnormal motor evoked potentials are not a characteristic feature of the disease.
MATERIALS AND METHODS: Evoked potential studies were performed in 45 MSA patients suffering from either MSA of cerebellar type (MSA-C) or MSA of parkinsonian type (MSA-P).
RESULTS: Motor evoked potentials were normal in all MSA patients, whereas visual and somatosensory evoked potential abnormalities were found in about 40% of the MSA patients with no significant difference between the cerebellar (MSA-C) and parkinsonian (MSA-P) subgroup. Abnormal latencies of wave III in brainstem auditory evoked potentials were significantly more frequent in MSA-C.
CONCLUSIONS: Abnormalities of somatosensory, visual and auditory evoked potentials are frequent findings in MSA, whereas abnormal motor evoked potentials are not a characteristic feature of the disease.
Предметные рубрики MeSH
AdultAfferent PathwaysAgedAnalysis of VarianceCerebellar AtaxiaChi-Square DistributionEvoked PotentialsEvoked Potentials, Auditory, Brain StemEvoked Potentials, MotorEvoked Potentials, SomatosensoryEvoked Potentials, VisualFemaleHumansMagnetoencephalographyMaleMiddle AgedMultiple System AtrophyNeural ConductionParkinsonian DisordersPyramidal TractsReaction TimeStatistics, NonparametricVisual Pathways