Positive pharmacologic provocative testing with methohexital during cerebral arteriovenous malformation embolization.
作者： Orhan Bican , Charles Cho , Leslie Lee , Viet Nguyen , Scheherazade Le
DOI: 10.1016/J.CLINIMAG.2018.02.014
关键词: Right posterior choroidal artery 、 Somatosensory evoked potential 、 Electroencephalography 、 Arteriovenous malformation 、 Anesthesia 、 Methohexital 、 Embolization 、 Provocative testing 、 Medicine 、 Neurophysiologic Monitoring
摘要: Abstract A middle-aged patient underwent staged endovascular embolization of a Spetzler-Martin grade V right parietal arteriovenous malformation(AVM).In the fifth embolization, after methohexital 10 mg injection into posterior choroidal artery feeding AVM nidus, there was an immediate change in electroencephalogram (EEG) with simultaneous loss motor evoked potentials (MEPs) bilateral upper and lower extremities delayed somatosensory potential responses (SSEPs). No made procedure terminated. This case demonstrates utility intraoperative neurophysiologic monitoring (IONM) pharmacologic provocative testing predicting mitigating risks prior to proposed embolization.
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