1. Conscious Sedation TFT Committee of KSGE. A guidebook on sedation for gastrointestinal endoscopy. Seoul: Medbook;2015.
2. Training Committee. American Society for Gastrointestinal Endoscopy. Training guideline for use of propofol in gastrointestinal endoscopy. Gastrointest Endosc. 2004; 60:167–172.
3. Waring JP, Baron TH, Hirota WK, et al. Guidelines for conscious sedation and monitoring during gastrointestinal endoscopy. Gastrointest Endosc. 2003; 58:317–322.
4. Goudra BG, Singh PM. Propofol alternatives in gastrointestinal endoscopy anesthesia. Saudi J Anaesth. 2014; 8:540–545.
5. Goudra B, Gouda G, Mohinder P. Recent developments in drugs for GI endoscopy sedation. Dig Dis Sci. 2020; 65:2781–2788.
6. Forman SA. Clinical and molecular pharmacology of etomidate. Anesthesiology. 2011; 114:695–707.
7. Han SJ, Lee TH, Yang JK, et al. Etomidate sedation for advanced endoscopic procedures. Dig Dis Sci. 2019; 64:144–151.
8. Lee JM, Min G, Lee JM, et al. Efficacy and safety of etomidate-midazolam for screening colonoscopy in the elderly: a prospective double-blinded randomized controlled study. Medicine (Baltimore). 2018; 97:e10635.
9. Zhou X, Li BX, Chen LM, et al. Etomidate plus propofol versus propofol alone for sedation during gastroscopy: a randomized prospective clinical trial. Surg Endosc. 2016; 30:5108–5116.
10. Chen L, Liang X, Tan X, et al. Safety and efficacy of combined use of propofol and etomidate for sedation during gastroscopy: systematic review and meta-analysis. Medicine (Baltimore). 2019; 98:e15712.
11. Kim JH, Byun S, Choi YJ, et al. Efficacy and safety of etomidate in comparison with propofol or midazolam as sedative for upper gastrointestinal endoscopy. Clin Endosc. 2020; 53:555–561.
12. Scheinin H, Aantaa R, Anttila M, et al. Reversal of the sedative and sympatholytic effects of dexmedetomidine with a specific alpha2-adrenoceptor antagonist atipamezole: a pharmacodynamic and kinetic study in healthy volunteers. Anesthesiology. 1998; 89:574–584.
13. Liu W, Yu W, Yu H, et al. Comparison of clinical efficacy and safety between dexmedetomidine and propofol among patients undergoing gastrointestinal endoscopy: a meta-analysis. J Int Med Res. 2021; 49:3000605211032786.
14. Chen YT, Sun CK, Wu KY, et al. The use of propofol versus dexmedetomidine for patients receiving drug-induced sleep endoscopy: a meta-analysis of randomized controlled trials. J Clin Med. 2021; 10:1585.
15. Nishizawa T, Suzuki H, Hosoe N, et al. Dexmedetomidine vs propofol for gastrointestinal endoscopy: a meta-analysis. United European Gastroenterol J. 2017; 5:1037–1045.
16. Nishizawa T, Suzuki H, Sagara S, et al. Dexmedetomidine versus midazolam for gastrointestinal endoscopy: a meta-analysis. Dig Endosc. 2015; 27:8–15.
17. Belleville JP, Ward DS, Bloor BC, et al. Effects of intravenous dexmedetomidine in humans. I. Sedation, ventilation, and metabolic rate. Anesthesiology. 1992; 77:1125–1133.
18. Hall JE, Uhrich TD, Barney JA, et al. Sedative, amnestic, and analgesic properties of small-dose dexmedetomidine infusions. Anesth Analg. 2000; 90:699–705.
19. Jalowiecki P, Rudner R, Gonciarz M, et al. Sole use of dexmedetomidine has limited utility for conscious sedation during outpatient colonoscopy. Anesthesiology. 2005; 103:269–273.
20. Zhang F, Sun HR, Zheng ZB, et al. Dexmedetomidine versus midazolam for sedation during endoscopy: a meta-analysis. Exp Ther Med. 2016; 11:2519–2524.
21. Kilpatrick GJ, McIntyre MS, Cox RF, et al. CNS 7056: a novel ultra-short-acting benzodiazepine. Anesthesiology. 2007; 107:60–66.
22. Goudra BG, Singh PM. Remimazolam: the future of its sedative potential. Saudi J Anaesth. 2014; 8:388–991.
23. Borkett KM, Riff DS, Schwartz HI, et al. A phase IIa, randomized, double-blind study of remimazolam (CNS 7056) versus midazolam for sedation in upper gastrointestinal endoscopy. Anesth Analg. 2015; 120:771–780.
24. Chen SH, Yuan TM, Zhang J, et al. Remimazolam tosilate in upper gastrointestinal endoscopy: a multicenter, randomized, non-inferiority, phase III trial. J Gastroenterol Hepatol. 2021; 36:474–481.
25. Zhu X, Wang H, Yuan S, et al. Efficacy and safety of remimazolam in endoscopic sedation-a systematic review and meta-analysis. Front Med (Lausanne). 2021; 8:655042.
26. Jhuang BJ, Yeh BH, Huang YT, et al. Efficacy and safety of remimazolam for procedural sedation: a meta-analysis of randomized controlled trials with trial sequential analysis. Front Med (Lausanne). 2021; 8:641866.
27. Domino EF, Chodoff P, Corssen G. Pharmacologic effects of CI-581, a new dissociative anesthetic, in man. Clin Pharmacol Ther. 1965; 6:279–291.
28. Cohen LB, Delegge MH, Aisenberg J, et al. AGA institute review of endoscopic sedation. Gastroenterology. 2007; 133:675–701.
29. Akbulut UE, Saylan S, Sengu B, et al. A comparison of sedation with midazolam-ketamine versus propofol-fentanyl during endoscopy in children: a randomized trial. Eur J Gastroenterol Hepatol. 2017; 29:112–118.
30. Eskander AE, Baroudy NR, Refay AS. Ketamine sedation in gastrointestinal endoscopy in children. Open Access Maced J Med Sci. 2016; 4:392–396.
31. Lee YM, Kang B, Kim YB, et al. Procedural sedation for pediatric upper gastrointestinal endoscopy in Korea. J Korean Med Sci. 2021; 36:e136.
32. Fechner J, Ihmsen H, Jeleazcov C, et al. Fospropofol disodium, a water-soluble prodrug of the intravenous anesthetic propofol (2,6-diisopropylphenol). Expert Opin Investig Drugs. 2009; 18:1565–1571.
33. Cohen LB. Clinical trial: a dose-response study of fospropofol disodium for moderate sedation during colonoscopy. Aliment Pharmacol Ther. 2008; 27:597–608.
34. Toklu S, Iyilikci L, Gonen C, et al. Comparison of etomidate-remifentanil and propofol-remifentanil sedation in patients scheduled for colonoscopy. Eur J Anaesthesiol. 2009; 26:370–376.
35. Mandel JE, Tanner JW, Lichtenstein GR, et al. A randomized, controlled, double-blind trial of patient-controlled sedation with propofol/remifentanil versus midazolam/fentanyl for colonoscopy. Anesth Analg. 2008; 106:434–439.
36. Fossler MJ, Sadler BM, Farrell C, et al. Oliceridine (TRV130), a novel G protein-biased ligand at the μ-opioid receptor, demonstrates a predictable relationship between plasma concentrations and pain relief. I: development of a pharmacokinetic/pharmacodynamic model. J Clin Pharmacol. 2018; 58:750–761.
38. Singla N, Minkowitz HS, Soergel DG, et al. A randomized, phase IIb study investigating oliceridine (TRV130), a novel µ-receptor G-protein pathway selective (μ-GPS) modulator, for the management of moderate to severe acute pain following abdominoplasty. J Pain Res. 2017; 10:2413–2424.
39. Liang DY, Li WW, Nwaneshiudu C, et al. Pharmacological characters of oliceridine, a μ-opioid receptor G-protein-biased ligand in mice. Anesth Analg. 2019; 129:1414–1421.