Why the study?
Does the Lifescan processed EEG machine accurately detect cerebral ischaemia in patients undergoing carotid artery surgery?
Observational (n=21)
Does the Lifescan processed EEG machine accurately detect cerebral ischaemia in patients undergoing carotid artery surgery?
The Lifescan EEG monitor showed mixed reliability in detecting clinically significant cerebral ischaemia during carotid artery surgery, indicating a need for further assessment.
Caution against relying on Lifescan EEG for ischaemia detection in carotid surgery; hypothesis-generating and requires larger validation studies.
A new processed EEG machine, the Lifescan, which uses aperiodic analysis, was used to monitor cerebral activity prospectively in twenty-one patients undergoing carotid artery surgery under general anaesthesia. The machine was easy to apply, use and read. Volatile agents caused a bilateral decrease in high frequency activity. Unilateral changes consistent with cerebral ischaemia at the time of carotid cross-clamping were also seen. One such prolonged change was not associated with neurological deficit. A further patient awoke with neurological deficit without displaying Lifescan evidence of ischaemia. The machine requires further assessment.
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Silbert et al. (1989) conducted an observational in Carotid artery surgery (n=21). Lifescan processed EEG machine (aperiodic analysis) was evaluated on Cerebral ischaemia and neurological deficit.
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