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KMID : 1101420190510040453
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Korean Journal of Clinical Laboratory Science
2019 Volume.51 No. 4 p.453 ~ p.461
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Principles of Intraoperative Neurophysiological Monitoring with Insertion and Removal of Electrodes
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Lim Sung-Hyuk
Park Soon-Bu
Moon Dae-Young
Kim Jong-Sik
Choi Young-Doo
Park Sang-Ku
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Abstract
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Intraoperative neurophysiological monitoring (INM) examination identifies the damage caused to the nervous system during surgery. This method is applied in various surgeries to validate the procedure being performed, and proceed with confidence. The assessment is conducted in an operating room, using subdermal needle electrodes to optimize the examination. There are no textbooks or guides for the correct stimuli and recording areas for the surgical laboratory test. This article provides a detailed description of the correct stimuli and recording parts in motor evoked potential (MEP), somatosensory evoked potential (SSEP), brainstem auditory evoked potentials (BAEP) and visual evoked potentials (VEP). Free-running Electromyography (EMG) is an observation of the EMG that occurs in the muscle, wherein the functional state of most cranial nerves and spinal nerve roots is determined.
In order to help understand the test, an image depicting the inserting subdermal needle electrodes into each of the muscles, is attached. Furthermore, considering both the patient and the examiner, a safe method is suggested for removal of electrodes after conclusion of the test.
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KEYWORD
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Brainstem auditory evoked potential, Electromyography, Motor evoked potential, Somatosensory evoked potential, Visual evoked potential
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