Can Evoked Potential Changes during the Superficial Temporal Artery-Middle Cerebral Artery Bypass Surgery Predict Postoperative Improvement of Cerebral Perfusion and Functional Status?

Background: We investigated evoked potential (EP) changes during superficial temporal artery to middle cerebral artery (STA-MCA) bypass surgery and their correlations with imaging and clinical findings postoperatively. Methods: This retrospective study included patients who underwent STA-MCA bypass...

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Autores principales:	Dougho Park, Suntak Jin, Youngsoo Kim, Yeon-Ju Choi, Daeyoung Hong, Byung Hee Kim, Sang-Eok Lee, Kwansang Cho, Ji Kang Park, Mun-Chul Kim
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	cerebral infarction cerebral revascularization intraoperative neurophysiological monitoring motor evoked potential somatosensory evoked potential perfusion weighted image Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571
Acceso en línea:	https://doaj.org/article/6b607844f3924b5590f4dd1508ef84c5
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spelling	oai:doaj.org-article:6b607844f3924b5590f4dd1508ef84c52021-11-25T16:58:09ZCan Evoked Potential Changes during the Superficial Temporal Artery-Middle Cerebral Artery Bypass Surgery Predict Postoperative Improvement of Cerebral Perfusion and Functional Status?10.3390/brainsci111114782076-3425https://doaj.org/article/6b607844f3924b5590f4dd1508ef84c52021-11-01T00:00:00Zhttps://www.mdpi.com/2076-3425/11/11/1478https://doaj.org/toc/2076-3425Background: We investigated evoked potential (EP) changes during superficial temporal artery to middle cerebral artery (STA-MCA) bypass surgery and their correlations with imaging and clinical findings postoperatively. Methods: This retrospective study included patients who underwent STA-MCA bypass surgery due to ischemic stroke with large artery occlusion (MB group). Patients who underwent unruptured MCA aneurysm clipping were enrolled in the control group (MC group). Median and tibial somatosensory evoked potentials (SSEP), and motor evoked potentials recorded from the abductor pollicis brevis (APB-MEP) and abductor hallucis (AH-MEP) were measured intraoperatively. Modified Rankin scale (mRS) and perfusion-weighted imaging (PWI) related variables, i.e., mean transit time (MTT) and time to peak (TTP), were assessed. Results: Δmedian SSEP, ΔAPB-MEP, and ΔAH-MEP were significantly higher in the MB group than in the MC group (<i>p</i> = 0.027, <i>p</i> = 0.006, and <i>p</i> = 0.015, respectively). APB-MEP and AH-MEP amplitudes were significantly increased at the final measurement (<i>p</i> = 0.010 and <i>p</i> < 0.001, respectively). The ΔTTP asymmetry index was moderately correlated with ΔAPB-MEP (<i>r</i> = 0.573, <i>p</i> = 0.005) and ΔAH-MEP (<i>r</i> = 0.617, <i>p</i> = 0.002). ΔAPB-MEP was moderately correlated with ΔMTT (<i>r</i> = 0.429, <i>p</i> = 0.047) and ΔmRS at 1 month (<i>r</i> = 0.514, <i>p</i> = 0.015). Conclusions: MEP improvement during STA-MCA bypass surgery was partially correlated with PWI and mRS and could reflect the recovery in cerebral perfusion.Dougho ParkSuntak JinYoungsoo KimYeon-Ju ChoiDaeyoung HongByung Hee KimSang-Eok LeeKwansang ChoJi Kang ParkMun-Chul KimMDPI AGarticlecerebral infarctioncerebral revascularizationintraoperative neurophysiological monitoringmotor evoked potentialsomatosensory evoked potentialperfusion weighted imageNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571ENBrain Sciences, Vol 11, Iss 1478, p 1478 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	cerebral infarction cerebral revascularization intraoperative neurophysiological monitoring motor evoked potential somatosensory evoked potential perfusion weighted image Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571
spellingShingle	cerebral infarction cerebral revascularization intraoperative neurophysiological monitoring motor evoked potential somatosensory evoked potential perfusion weighted image Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Dougho Park Suntak Jin Youngsoo Kim Yeon-Ju Choi Daeyoung Hong Byung Hee Kim Sang-Eok Lee Kwansang Cho Ji Kang Park Mun-Chul Kim Can Evoked Potential Changes during the Superficial Temporal Artery-Middle Cerebral Artery Bypass Surgery Predict Postoperative Improvement of Cerebral Perfusion and Functional Status?
description	Background: We investigated evoked potential (EP) changes during superficial temporal artery to middle cerebral artery (STA-MCA) bypass surgery and their correlations with imaging and clinical findings postoperatively. Methods: This retrospective study included patients who underwent STA-MCA bypass surgery due to ischemic stroke with large artery occlusion (MB group). Patients who underwent unruptured MCA aneurysm clipping were enrolled in the control group (MC group). Median and tibial somatosensory evoked potentials (SSEP), and motor evoked potentials recorded from the abductor pollicis brevis (APB-MEP) and abductor hallucis (AH-MEP) were measured intraoperatively. Modified Rankin scale (mRS) and perfusion-weighted imaging (PWI) related variables, i.e., mean transit time (MTT) and time to peak (TTP), were assessed. Results: Δmedian SSEP, ΔAPB-MEP, and ΔAH-MEP were significantly higher in the MB group than in the MC group (<i>p</i> = 0.027, <i>p</i> = 0.006, and <i>p</i> = 0.015, respectively). APB-MEP and AH-MEP amplitudes were significantly increased at the final measurement (<i>p</i> = 0.010 and <i>p</i> < 0.001, respectively). The ΔTTP asymmetry index was moderately correlated with ΔAPB-MEP (<i>r</i> = 0.573, <i>p</i> = 0.005) and ΔAH-MEP (<i>r</i> = 0.617, <i>p</i> = 0.002). ΔAPB-MEP was moderately correlated with ΔMTT (<i>r</i> = 0.429, <i>p</i> = 0.047) and ΔmRS at 1 month (<i>r</i> = 0.514, <i>p</i> = 0.015). Conclusions: MEP improvement during STA-MCA bypass surgery was partially correlated with PWI and mRS and could reflect the recovery in cerebral perfusion.
format	article
author	Dougho Park Suntak Jin Youngsoo Kim Yeon-Ju Choi Daeyoung Hong Byung Hee Kim Sang-Eok Lee Kwansang Cho Ji Kang Park Mun-Chul Kim
author_facet	Dougho Park Suntak Jin Youngsoo Kim Yeon-Ju Choi Daeyoung Hong Byung Hee Kim Sang-Eok Lee Kwansang Cho Ji Kang Park Mun-Chul Kim
author_sort	Dougho Park
title	Can Evoked Potential Changes during the Superficial Temporal Artery-Middle Cerebral Artery Bypass Surgery Predict Postoperative Improvement of Cerebral Perfusion and Functional Status?
title_short	Can Evoked Potential Changes during the Superficial Temporal Artery-Middle Cerebral Artery Bypass Surgery Predict Postoperative Improvement of Cerebral Perfusion and Functional Status?
title_full	Can Evoked Potential Changes during the Superficial Temporal Artery-Middle Cerebral Artery Bypass Surgery Predict Postoperative Improvement of Cerebral Perfusion and Functional Status?
title_fullStr	Can Evoked Potential Changes during the Superficial Temporal Artery-Middle Cerebral Artery Bypass Surgery Predict Postoperative Improvement of Cerebral Perfusion and Functional Status?
title_full_unstemmed	Can Evoked Potential Changes during the Superficial Temporal Artery-Middle Cerebral Artery Bypass Surgery Predict Postoperative Improvement of Cerebral Perfusion and Functional Status?
title_sort	can evoked potential changes during the superficial temporal artery-middle cerebral artery bypass surgery predict postoperative improvement of cerebral perfusion and functional status?
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/6b607844f3924b5590f4dd1508ef84c5
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Can Evoked Potential Changes during the Superficial Temporal Artery-Middle Cerebral Artery Bypass Surgery Predict Postoperative Improvement of Cerebral Perfusion and Functional Status?

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