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http://dx.doi.org/10.14253/acn.2020.22.2.104

Intraoperative monitoring of somatosensory and visual evoked potentials for detecting posterior cerebral artery infarction during anteromesial temporal resection  

Seo, Suyeon (Wonkwang University School of Medicine)
Kim, Dong Jun (Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Lee, Chae Young (Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Publication Information
Annals of Clinical Neurophysiology / v.22, no.2, 2020 , pp. 104-108 More about this Journal
Abstract
We performed intraoperative neurophysiological monitoring (INM) during anteromesial temporal resection (AMTR) in a patient with lesional temporal lobe epilepsy. INM revealed a sudden decrease in N20 waves in somatosensory evoked potentials (SSEPs) and poor P100 waves in visual evoked potentials (VEPs). These changes developed after applying electrocoagulation in the right mesial temporal areas. Postoperative brain magnetic resonance imaging demonstrated right thalamic and medial occipital infarctions. SSEPs and VEPs monitoring can be useful for detecting posterior cerebral artery infarction in AMTR.
Keywords
Epilepsy; Intraoperative neurophysiological monitoring; Posterior cerebral artery infarction;
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