• A&A practice · Aug 2024

    Case Reports

    Novel Use of Motor-Evoked Potential Monitoring During Magnetic Resonance Imaging-Guided Soft-Tissue Cryoablation: A Case Report.

    • Claire de Forcrand, Scott M Thompson, Tatsuya Oishi, David A Woodrum, Daniel A Adamo, Aiming Lu, Chris P Favazza, Ernest M Hoffman, Jeffrey J Pasternak, Garret M Powell, and Miguel T Teixeira.
    • From the Departments of Anesthesiology and Perioperative Medicine.
    • A A Pract. 2024 Aug 1; 18 (8): e01832e01832.

    AbstractMotor-evoked potential (MEP) monitoring is an electrophysiologic technique useful for testing peripheral motor nerve integrity during cryoablation cases with risk of nerve injury. Previously, neuromonitoring within the magnetic resonance imaging (MRI) suite for cryoablation has not been performed as magnetic needles are used which could cause magnetic field interactions with neuromonitoring leads. We present the first report of a patient who underwent MEP monitoring during MRI-guided cryoablation of a vascular malformation adjacent to the brachial plexus. We demonstrate that MEPs may be safely and accurately performed by interleaving MRI and MEPs during treatment, reducing the risk of postprocedural complications.Copyright © 2024 International Anesthesia Research Society.

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