1. Cho S, Kim S, Hyun D, Yoon H, Han JW, Kim JS. Comparison between cerebral state index and bispectral index during desflurane anesthesia. Korean J Anesthesiol 2018; 71: 447-52.

2. Avidan MS, Jacobsohn E, Glick D, Burnside BA, Zhang L, Villafranca A, et al. Prevention of intraoperative awareness in a high-risk surgical population. N Engl J Med 2011; 365: 591-600.

3. American Society of Anesthesiologists Task Force on Intraoperative Awareness. Practice advisory for intraoperative awareness and brain function monitoring: a report by the american society of anesthesiologists task force on intraoperative awareness. Anesthesiology 2006; 104: 847-64.

4. Checketts MR, Alladi R, Ferguson K, Gemmell L, Handy JM, Klein AA, et al. Recommendations for standards of monitoring during anaesthesia and recovery 2015: Association of Anaesthetists of Great Britain and Ireland. Anaesthesia 2016; 71: 85-93.

5. Aldecoa C, Bettelli G, Bilotta F, Sanders RD, Audisio R, Borozdina A, et al. European Society of Anaesthesiology evidence-based and consensus-based guideline on postoperative delirium. Eur J Anaesthesiol 2017; 34: 192-214.

6. Fritz BA, Kalarickal PL, Maybrier HR, Muench MR, Dearth D, Chen Y, et al. Intraoperative Electroencephalogram Suppression Predicts Postoperative Delirium. Anesth Analg 2016; 122: 234-42.

7. Hernandez BA, Lindroth H, Rowley P, Boncyk C, Raz A, Gaskell A, et al. Post-anaesthesia care unit delirium: incidence, risk factors and associated adverse outcomes. Br J Anaesth 2017; 119: 288-90.

8. Whitlock EL, Torres BA, Lin N, Helsten DL, Nadelson MR, Mashour GA, et al. Postoperative delirium in a substudy of cardiothoracic surgical patients in the BAG-RECALL clinical trial. Anesth Analg 2014; 118: 809-17.

9. Sessler DI, Sigl JC, Kelley SD, Chamoun NG, Manberg PJ, Saager L, et al. Hospital stay and mortality are increased in patients having a "triple low" of low blood pressure, low bispectral index, and low minimum alveolar concentration of volatile anesthesia. Anesthesiology 2012; 116: 1195-203.

10. Leslie K, Myles PS, Forbes A, Chan MT. The effect of bispectral index monitoring on long-term survival in the B-aware trial. Anesth Analg 2010; 110: 816-22.

11. Stammet P, Collignon O, Werer C, Sertznig C, Devaux Y. Bispectral index to predict neurological outcome early after cardiac arrest. Resuscitation 2014; 85: 1674-80.

12. Dunham CM, Ransom KJ, McAuley CE, Gruber BS, Mangalat D, Flowers LL. Severe brain injury ICU outcomes are associated with Cranial-Arterial Pressure Index and noninvasive Bispectral Index and transcranial oxygen saturation: a prospective, preliminary study. Crit Care 2006; 10: R159.

13. Consales G, Chelazzi C, Rinaldi S, De Gaudio AR. Bispectral Index compared to Ramsay score for sedation monitoring in intensive care units. Minerva Anestesiol 2006; 72: 329-36.

14. Triltsch AE, Welte M, von Homeyer P, Grosse J, Genähr A, Moshirzadeh M, et al. Bispectral index-guided sedation with dexmedetomidine in intensive care: a prospective, randomized, double blind, placebo-controlled phase II study. Crit Care Med 2002; 30: 1007-14.

15. Estruch-Pérez MJ, Ausina-Aguilar A, Barberá-Alacreu M, Sánchez-Morillo J, Solaz-Roldán C, Morales-Suárez-Varela MM. Bispectral index changes in carotid surgery. Ann Vasc Surg 2010; 24: 393-9.

16. Estruch-Pérez MJ, Barberá-Alacreu M, Ausina-Aguilar A, Soliveres-Ripoll J, Solaz-Roldán C, Morales-Suárez-Varela MM. Bispectral index variations in patients with neurological deficits during awake carotid endarterectomy. Eur J Anaesthesiol 2010; 27: 359-63.

17. Bonhomme V, Desiron Q, Lemineur T, Brichant JF, Dewandre PY, Hans P. Bispectral index profile during carotid cross clamping. J Neurosurg Anesthesiol 2007; 19: 49-55.

18. Deogaonkar A, Vivar R, Bullock RE, Price K, Chambers I, Mendelow AD. Bispectral index monitoring may not reliably indicate cerebral ischaemia during awake carotid endarterectomy. Br J Anaesth 2005; 94: 800-4.

19. Fahy BG, Chau DF. The technology of processed electroencephalogram monitoringdevices for assessment of depth of anesthesia. Anesth Analg 2018; 126: 111-7.