Other CN monitoring

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  • Others
    • Trigeminal is a dual modality nerve, therefore can monitor motor or sensory function.
    • In practice only motor function reliably monitored intra-operatively using masseter for EMG or CMAP.
    • Accessory produces reliable CMAP response in trapezius and sternocleidomastoid for monitoring purposes.
  • Honourable mentions
    • General EEG monitoring is useful in vascular cases involving carotids or vertebrals/basillar as changes can indicate ischaemia.
    • Peripheral SEP monitoring can be used to monitor sensory pathway function in the brainstem.
    • EMG function of extra-ocular muscles has been reported for monitoring injury to III, IV and VI nerves.
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