Transcranial motor evoked potential changes induced by provocative testing during embolization of cerebral arteriovenous malformations in patients under total intravenous anesthesia.
作者： Fenghua Li , Eric Deshaies , Geoffrey Allott , Reza Gorji
DOI: 10.1080/1086508X.2011.11079828
关键词: Anesthesia 、 Somatosensory evoked potential 、 Cerebral blood flow 、 Posterior cerebral artery 、 Evoked potential 、 Anterior cerebral artery 、 Embolization 、 Cerebral angiography 、 Medicine 、 Motor Deficit
摘要: Cerebral motor evoked potential (MEP) monitoring during arteriovenous malformation (AVM) embolization is not well studied (Soderman et al. 2003). Alterations of cerebral blood flow (CBF) could cause ischemia/infarction to the cortex. Permanent loss MEPs correlated with a permanent deficit. We report case patient undergoing AVM which transcranial electrical potentials (TCeMEP) reliably predicted changes CBF induced by selective methohexital testing. Our finding demonstrated that are useful means intraoperative pathway integrity and predicting changes. The MEP prevented severe postoperative deficits. Intraoperative neuromonitoring SSEP, TCeMEP continuous EEG revealed no until posterior artery (PCA), but anterior (ACA), was injected. may be superior somatosensory (SSEP) in impairment surgery.
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