• Ying-Jie Geng, Qing-Hua Wu, and Rui-Qin Zhang.
• Department of Anesthesiology, Second Affiliated Hospital, Harbin Medical University, Nangang District of Harbin, Harbin, China.
• J Clin Anesth. 2017 May 1; 38: 165-171.

Study ObjectiveTo compare the incidence of postoperative cognitive dysfunction (POCD) in elderly surgical patients (>60years) receiving different anesthetics (propofol, sevoflurane, or isoflurane) and to identify potential biomarkers of POCD in this patient population.DesignProspective, randomized, double-blind clinical trial.SettingUniversity-affiliated teaching hospital.PatientsOne hundred and fifty elderly patients scheduled for laparoscopic cholecystectomy.InterventionsElderly patients undergoing laparoscopic cholecystectomy were randomly assigned to receive propofol, sevoflurane, or isoflurane anesthesia.MeasurementsCognitive function was assessed using neuropsychological tests at baseline (1day before surgery [D0]), and on postoperative day 1 (D1) and day 3 (D3). Plasma S-100β and Aβ1-40protein, IL-1β, IL-6 and TNF-α concentrations were assessed before induction of anesthesia (T0), after extubation (T1), and 1h (T2) and 24h (T3) postoperatively.Main ResultsThe incidence of POCD was significantly lower in the propofol group compared to the isoflurane group and the sevoflurane group at D1 and D3 (propofol vs. isoflurane: D1 and D3, P<0.001; propofol vs. sevoflurane: D1, P=0.012; D3, P=0.013). The incidence of POCD was significantly lower in the sevoflurane group compared to the isoflurane group at D1 (P=0.041), but not at D3. Postoperatively, plasma S-100β and Aβ1-40protein, IL-1β, IL-6, and TNF-α concentrations were significantly decreased in the propofol group compared to the isoflurane group.ConclusionsPropofol anesthesia may be an option for elderly surgical patients.Copyright © 2017 Elsevier Inc. All rights reserved.

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