Abstract
INTRODUCTION: Evoked Potential monitoring has become common practice during major spinal surgery. The aim is to alert the surgical team to impending ischaemic damage and avoid permanent neurological injury. The most common modality used is Somatosensory Evoked Potential (SSEP) monitoring. However, SSEPs have some important limitations. They are known to be influenced by commonly used anaesthetic agents.(1). SSEPs are carried via the dorsal columns so monitoring of SSEPs alone may allow a ventral cord defect to go undetected. Cerebellar Evoked Potentials (CEPs) have been reported as a potential monitor of ventral cord integrity. (2,3). A pilot study in the intraoperative setting has suggested that CEPs are robust during general anaesthesia.(4). The purpose of this study is to characterize these evoked potentials and to determine the effect of nitrous oxide in healthy volunteers.
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Schedule a callMore From: Canadian Journal of Anesthesia/Journal canadien d'anesthésie
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