J Neurol Surg B Skull Base 2025; 86(S 01): S1-S576
DOI: 10.1055/s-0045-1803468
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Real-Time, Quantitative, and Functional Monitoring of Abducens Nerve by Intraoperative Repetitive Direct Stimulation in Cerebellopontine Angle Epidermoid Cyst Surgery

Authors

  • Ken Matsushima

    1   Tokyo Medical University, Tokyo, Japan

  • Michihiro Kohno

    1   Tokyo Medical University, Tokyo, Japan
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An ideal neuromonitoring method should include a real-time alert system, quantitative evaluation, and functional assessment. This video demonstrates continuous abducens nerve monitoring in cerebellopontine angle epidermoid cyst surgery through the anterior transpetrosal approach. Using a stimulating electrode placed on the proximal abducens nerve, the evoked extraocular muscle electromyograms were continuously monitored by direct 1-Hz stimulation throughout the total resection. The patient had no postoperative neurological deficit.

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Publication History

Article published online:
07 February 2025

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