Key result
Clamp minus preclamp QEEG parameters best distinguish carotid shunt need.
Why the study?
Which quantitative EEG parameters best distinguish the need for a shunt during carotid endarterectomy under isoflurane or propofol anesthesia?
Population
149 patients undergoing carotid endarterectomy under isoflurane (n=61) or propofol (n=88) anesthesia
Design
Cohort
Follow-up
intraoperative
Authors
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Anesthesia-specific QEEG thresholds may aid shunt decisions in CEA; hypothesis-generating and requires prospective validation before practice change.
Observational (n=149)
Which quantitative EEG parameters best distinguish the need for a shunt during carotid endarterectomy under isoflurane or propofol anesthesia?
The optimal quantitative EEG parameters for detecting the need for a shunt during carotid endarterectomy depend on the type of anesthesia used (isoflurane vs. propofol).
Laman et al. (2005) conducted an observational in Carotid endarterectomy (n=149). QEEG parameters (SEF and relative band power) vs. Shunt vs nonshunt groups was evaluated on Distinguishing between shunt and nonshunt groups. Clamp minus preclamp computation of QEEG parameters best distinguished shunt need, with SEF 90% best for isoflurane and delta band relative power best for propofol.
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