Responses of masseter muscles to transcranial magnetic stimulation in patients with amyotrophic lateral sclerosis.

作者: C Trompetto , C Caponnetto , A Buccolieri , R Marchese , G Abbruzzese

DOI: 10.1016/S0924-980X(98)00025-3

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摘要: We recorded motor responses evoked by transcranial magnetic stimulation (TMS) in the masseter muscles of 30 patients with amyotrophic lateral sclerosis (ALS), 10 cervical spondylotic myelopathy (CSM) and 22 age-matched normal controls. Responses to direct activation trigeminal root (R-MEPs) were both ALS CSM patients. cortico-bulbar descending fibers (C-MEPs) absent or delayed 19 (63.3%). Abnormalities C-MEPs more frequent than abnormalities limb MEPs could be observed (77.8%) without (41.7%) clinical bulbar signs. Masseter all Recording TMS can reveal impairment projections useful differential diagnosis spinal cord compression disorders mimicking because combination upper lower neuron

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