Monitoring of facial muscle motor evoked potentials during microvascular decompression for hemifacial spasm: evidence of changes in motor neuron excitability.

@article{Wilkinson2005MonitoringOF,
  title={Monitoring of facial muscle motor evoked potentials during microvascular decompression for hemifacial spasm: evidence of changes in motor neuron excitability.},
  author={Marshall Frederick Wilkinson and Anthony M. Kaufmann},
  journal={Journal of neurosurgery},
  year={2005},
  volume={103 1},
  pages={
          64-9
        }
}
OBJECT Hemifacial spasm (HFS) is thought to be due to a hyperactive facial motor nucleus consequent to chronic neurovascular contact. The lateral spread (LS) response is presumed to reflect changes in facial motor neuron excitability. Facial muscle motor evoked potentials (MEPs) use the same efferent pathway as LS, therefore the authors speculated that these potentials should reflect differences consistent with changes at the facial motor nucleus level. METHODS Monitoring of LS and bilateral… CONTINUE READING
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