Correlation of Continuous Electroencephalograms With Cerebral Blood Flow Measurements During Carotid Endarterectomy
Why the study?
Does continuous EEG monitoring correlate with cerebral blood flow measurements to indicate the need for a shunt during carotid endarterectomy?
Population
81 carotid endarterectomies performed under carefully controlled general anesthesia over an 11-month period
Design
Cohort
Follow-up
Immediate postoperative (termination of surgery)
Authors
Discussion
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Member takes
Implication
EEG may guide shunt decisions during carotid endarterectomy; leaves open outcome benefit versus routine shunting.
Structured PICO
Does continuous EEG monitoring correlate with cerebral blood flow measurements to indicate the need for a shunt during carotid endarterectomy?
P
Population
81 carotid endarterectomies performed under carefully controlled general anesthesia over an 11-month period
I
Intervention
Continuous electroencephalograms (EEG) monitoring and intermittent regional cerebral blood flow (CBF) measurements
O
Outcome
Correlation between regional cerebral blood flow (CBF) during carotid occlusion and alterations in the EEGsurrogate
Continuous EEG monitoring during carotid endarterectomy highly correlates with cerebral blood flow reductions and reliably indicates when a shunt is required to prevent cerebral ischemia.
Cite This Study
Sharbrough et al. (1973) studied this question.