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Fig. 3 | BMC Anesthesiology

Fig. 3

From: Comparison of the effect of sevoflurane or propofol anesthesia on the regional cerebral oxygen saturation in patients undergoing carotid endarterectomy: a prospective, randomized controlled study

Fig. 3

Changes from carotid artery clamping until the end of surgery. Changes in (a) regional cerebral oxygen saturation (SrO2), (b) mean arterial pressure (MAP), (c) heart rate (HR), and (d) Bispectral index score (BIS) from cardioid artery clamping until the end of surgery. BL = baseline before anesthesia induction; Pre-clamp = immediate before carotid artery clamping; Post-clamp = maximum decrease in SrO2 after artery clamping; Pre-declamp = immediate before declamping the artery; post-declamp = maximum increase in SrO2 after artery clamping; Op end = operation end. Groups: Sevoflurane = anesthesia with sevoflurane and remifentanil; Propofol = anesthesia with propofol and remifentanil. Data are expressed as mean ± standard deviation. *P < 0.05 vs Baseline, ‡P < 0.05 vs Pre-clamp in each group. †P < 0.05 vs Sevoflurane group

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