REFERENCES
1. Frerk C, Mitchell VS, McNarry AF, et al. Difficult Airway Society 2015 guidelines for management of unanticipated difficult intubation in adults. BJA: British Journal of Anaesthesia. 2015;115(6):827-848.
2. Gómez-Ríos M, Gaitini L, Matter I, Somri M. Guidelines and algorithms for managing the difficult airway. Revista Española de Anestesiología y Reanimación (English Edition). 2018;65(1):41-48.
3. Nørskov A, Wetterslev J, Rosenstock C, et al. Prediction of difficult mask ventilation using a systematic assessment of risk factors vs. existing practice–a cluster randomised clinical trial in 94,006 patients. Anaesthesia. 2017;72(3):296-308.
4. Foley LJ, Urdaneta F, Berkow L, et al. Difficult Airway Management in Adult COVID-19 Patients: Statement by the Society of Airway Management.Anesthesia & Analgesia. 2021:10.1213.
5. Higgs A, McGrath B, Goddard C, et al. Guidelines for the management of tracheal intubation in critically ill adults. British journal of anaesthesia. 2018;120(2):323-352.
6. Soleimanpour H, Gholipouri C, Panahi JR, et al. Role of anesthesiology curriculum in improving bag-mask ventilation and intubation success rates of emergency medicine residents: a prospective descriptive study. BMC emergency medicine. 2011;11(1):1-6.
7. Hagberg C, Gabel JC, Connis R. Difficult Airway Society 2015 guidelines for the management of unanticipated difficult intubation in adults: not just another algorithm. In: Oxford University Press; 2015.
8. Nielsen JR, Lim K-S. Increasing the Scope on Difficult Airways: What About Mask Ventilation? Anesthesia & Analgesia.2019;129(3):e109.
9. Sreekantha D, Saldanha RS, Krishnappa JG, Mehandale SG, Glen RRC, Prajna M. Predicting difficulties in Mask Ventilation using Machine Learning techniques. Paper presented at: 2019 IEEE International Conference on Distributed Computing, VLSI, Electrical Circuits and Robotics (DISCOVER)2019.
10. Botes L, Jacobs J, Rademeyer R, Van der Merwe S, Van Heerden L, Diedericks B. The effect of different anaesthetic mask shapes on the anatomical dead space using infant, child and adult part-task trainers.Southern African Journal of Anaesthesia and Analgesia.2018;24(5):145-147.
11. Gerstein NS, Carey MC, Braude DA, et al. Efficacy of facemask ventilation techniques in novice providers. Journal of clinical anesthesia. 2013;25(3):193-197.
12. Riggle JD, McCrory B, Wadman M, et al. Comparison of muscle exertion and fatigue between standard bag valve mask and NuMask. Paper presented at: Proceedings of the Human Factors and Ergonomics Society Annual Meeting2012.
13. McCrory B, Lowndes BR, Thompson DL, et al. Workload comparison of intraoral mask to standard mask ventilation using a cadaver model. Paper presented at: Proceedings of the Human Factors and Ergonomics Society Annual Meeting2012.
14. Nimmagadda U, Salem M, Hsu E, Knezevic NN. The New Mask Is as Effective as the Classic Face Mask in Achieving Maximal Preoxygenation.
15. Amack AJ, Barber GA, Ng PC, Smith TB, April MD. Comparison of ventilation with one-handed mask seal with an intraoral mask versus conventional cuffed face mask in a cadaver model: a randomized crossover trial. Annals of emergency medicine. 2017;69(1):12-17.
16. Bach JR, Saporito LR. Cardiopulmonary Resuscitation Interface Adapted for Postextubation Continuous Noninvasive Ventilatory Support.American journal of physical medicine & rehabilitation.2015;94(9):e80-e83.
17. McCrory B, Lowndes BR, Thompson DL, et al. Crossover assessment of intraoral and cuffed ventilation by emergency responders. Military medicine. 2019;184(Supplement_1):310-317.
18. Blake DF, Crowe M, Lindsay D, Brouff A, Mitchell SJ, Pollock NW. Comparison of tissue oxygenation achieved breathing oxygen from a demand valve with four different mask configurations. Diving and hyperbaric medicine. 2018;48(4):209.
19. Nagappa M, Wong J, Singh M, Wong DT, Chung F. An update on the various practical applications of the STOP-Bang questionnaire in anesthesia, surgery, and perioperative medicine. Current opinion in anaesthesiology. 2017;30(1):118.
20. Han R, Tremper KK, Kheterpal S, O’Reilly M. Grading scale for mask ventilation. The Journal of the American Society of Anesthesiologists. 2004;101(1):267-267.
21. Hart SG, Staveland LE. Development of NASA-TLX (Task Load Index): Results of empirical and theoretical research. In: Advances in psychology. Vol 52. Elsevier; 1988:139-183.
22. Coule P, Mazzoli A, Todaro J. 465: Comparison of a Novel Intra-Oral Mask (NuMask®) to Standard Mask Ventilation Using a Cadaver Model.Annals of Emergency Medicine. 2010;3(56):S150-S151.
23. El-Orbany M, Woehlck HJ. Difficult mask ventilation.Anesthesia & analgesia. 2009;109(6):1870-1880.
Table 1: Demographic and anthropometric characteristics of the patients