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[Intraoperative Neuromonitoring for Skull Base Surgery].

Makoto Oishi1, Yukihiko Fujii

  • 1Department of Neurosurgery, Brain Research Institute, Niigata University.

No Shinkei Geka. Neurological Surgery
|June 7, 2022
PubMed
Summary

Intraoperative neuromonitoring (INM) aids skull base tumor removal by mapping nerves and monitoring their function. This technique helps prevent irreversible neurological damage and postoperative deficits, improving surgical outcomes.

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Area of Science:

  • Neurosurgery
  • Neurology
  • Medical Technology

Background:

  • Intraoperative neuromonitoring (INM) evaluates neural functions during surgery.
  • It is crucial for skull base tumor removal to map compressed cranial nerves and monitor their preservation.
  • The objective is to prevent irreversible neurological damage and postoperative deficits.

Purpose of the Study:

  • To highlight the application and importance of INM in skull base tumor surgery.
  • To emphasize the role of INM in preserving neurological structures.
  • To improve surgical outcomes and reduce postoperative complications.

Main Methods:

  • Utilizing advanced recording techniques and neuromonitoring equipment in the operating room.
  • Employing intravenous anesthesia techniques for patient management.

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  • Implementing specific INM modalities including motor evoked potential (MEP), brainstem auditory evoked potential (BAEP), and visual evoked potential (VEP).

    • Main Results:

    • INM provides structural mapping of compressed cranial nerves.
    • Continuous monitoring allows for real-time assessment of neural function preservation.
    • The data recorded and interpreted guide surgical decisions to protect neural structures.

    Conclusions:

    • Appropriate recording and interpretation of INM data are vital for successful skull base tumor removal.
    • INM significantly contributes to preventing postoperative neurological deficits.
    • The integration of INM enhances the overall safety and efficacy of skull base surgeries.