A new criterion for the alarm point for compound muscle action potentials.

@article{Ito2012ANC,
  title={A new criterion for the alarm point for compound muscle action potentials.},
  author={Zenya Ito and Shiro Imagama and Yoshihito Sakai and Yoshito Katayama and Norimitsu Wakao and Kei Ando and Kenichi Hirano and Ryoji Tauchi and Akio Muramoto and Hany El Zahlawy and Yukihiro Matsuyama and Naoki Ishiguro},
  journal={Journal of neurosurgery. Spine},
  year={2012},
  volume={17 4},
  pages={348-56}
}
OBJECT The purpose of this study was to review the present criteria for the compound muscle action potential (CMAP) alert and for safe spinal surgery. METHODS The authors conducted a retrospective study of 295 patients in whom spinal cord monitoring had been performed during spinal surgery. The waveforms observed during spinal surgery were divided into the following 4 grades: Grade 0, normal; Grade 1, amplitude decrease of 50% or more and latency delay of 10% or more; Grade 2, multiphase… CONTINUE READING

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