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KMID : 1101420210530020193
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Korean Journal of Clinical Laboratory Science
2021 Volume.53 No. 2 p.193 ~ p.198
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An Effective Transcranial Electric Motor-Evoked Potentials Method in Spinal Dural Arteriovenous Fistula Ligation Surgery
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Jang Min-Hwan
Lee In-Seok
Lim Sung-Hyuk
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Abstract
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The purpose of spinal dural arteriovenous fistula (SDAVF) ligation is to prevent neurological injury and the poor blood supply through ligation of arteriovenous fistula. Therefore, intraoperative neurophysiological monitoring (INM) is required via multimodal neurological examination for minimizing the side effects after surgery based on the patient’s symptoms. Transcranial electric motor-evoked potentials (TceMEP) help to check the condition of the corticospinal tract. Whenever ligation is performed, TceMEP should be performed every minute to check for abnormalities.
However, an examiner’s lack of knowledge about the operation procedure and examination and also poor communication between the examiner and surgeon can cause incorrect timing of the stimulation of TceMEP that interferes with the procedure and causes side effects such as paralysis and motor weakness. As a result of this SDAVF ligation survey, it is believed that for proper INM, case reports will be needed along with further research and the examiner will also have to work closely with the surgeon to minimize neurological damage to patients.
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KEYWORD
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INM, Neurosurgery, SDAVF, TceMEP
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