[
Adamus, M., Fritscherova, S., Hrabalek, L., Gabrhelik, T., Zapletalova, J., Janout, V. (2010). Mallampati test as a predictor of laryngoscopic view. Biomed Pap. Med. Fac. Univ. Palacky Olomhouc Czech Repub., 154 (4), 339–343.10.5507/bp.2010.05121293546
]Search in Google Scholar
[
Apfelbaum, J., Hagberg, C., Caplan, R., Robert, A., Blitt, C., Connis, R., Nickinovich, D., Hagberg, C., Caplan, R., Benumof, J., Berry, et al. (2013). Practice Guidelines for Management of the Difficult Airway: An Updated Report by the American Society of Anesthesiologists Task Force on Management of the Difficult Airway. Anesthesiology, 118, 251–270. https://doi.org/10.1097/ALN.0b013e31827773b210.1097/ALN.0b013e31827773b223364566
]Search in Google Scholar
[
Bloom, B., Gibbons, R. (2022). Focused Assessment with Sonography for Trauma. StatPearls Publishing LLC.
]Search in Google Scholar
[
Cattano, D., Killoran, P., Iannucci, D., Maddukuri, V., Altamirano, A. V., Sridhar, S., Seitan, C., Chen, Z., Hagberg, C. A. (2013). Anticipation of the difficult airway: Preoperative airway assessment, an educational and quality improvement tool. Brit. J. Anaesth., 111, 276–285.10.1093/bja/aet029371139123471752
]Search in Google Scholar
[
Combes, X., Bertrand, L. R. Suen, P., Dumerat, M., Motamed, C., Sauvat, S., Duvaldestin, P., Dhonneur, G. (2004). Unanticipated difficult airway in anesthetized patients: Prospective validation of a management algorithm. Anesthesiology, 100, 1146–1150.10.1097/00000542-200405000-0001615114211
]Search in Google Scholar
[
Cormack, R., Lehane, J. (1985). Difficult tracheal intubation in obstetrics. Anaesthesia, 39 (11), 1105–1111.10.1097/00132582-198506000-00017
]Search in Google Scholar
[
Crawley, S. M., Dalton, A. J. (2015). Predicting the difficult airway. BJA Education, 15 (5), 253–257.10.1093/bjaed/mku047
]Search in Google Scholar
[
Dargin, J., Emlet, L., Guyette, F. (2013). The effect of body mass index on intubation success rates and complications during emergency airway management. Int. Emerg. Med., 8, 75–82.10.1007/s11739-012-0874-x23184440
]Search in Google Scholar
[
De Jong, A., Molinari, N., Pouzeratte, Y., Verzilli, D., Chanques, D., Jung, B., Futier, E., Perrigault, P. F., Colson, P., Capdevila, X., et al. (2015). Difficult intubation in obese patients: Incidence, risk factors, and complications in the operating theatre and in intensive care units. Brit. J. Anaesth., 114 (2), 297–306.10.1093/bja/aeu37325431308
]Search in Google Scholar
[
Huh, J., Shin, H. Y., Kim, S. H., Yoon, T. K., Kim, D. K. (2009). Diagnostic predictor of difficult laryngoscopy: The hyomental distance ratio. Anesth. Analgesia, 108 (2), 544–548.10.1213/ane.0b013e31818fc34719151285
]Search in Google Scholar
[
Juels, A. N. (2018). Awake fiberoptic intubation: Accessing the airway. Medscape. https://reference.medscape.com/slideshow/awake-fiberoptic-intubation-6010183
]Search in Google Scholar
[
Kalezić, N., Lakićević, M., Miličić, B., Stojanovic, M., Sabljak, V., Markovic, D. (2016). Hyomental distance in the different head positions and hyomental distance ratio in predicting difficult intubation. Bosnian J. Basic Med. Sci., 16 (3), 232–236.10.17305/bjbms.2016.1217497811727299374
]Search in Google Scholar
[
Koh, L., Kong, C., Ip-Yam, P. (2002). The modified Cormack–Lehane score for the grading of direct laryngoscopy: Evaluation in the Asian population. Anaesth. Intens. Care, 30 (1), 48–51.10.1177/0310057X020300010911939440
]Search in Google Scholar
[
Lewis, S. R., Butler, A., Parker, J., Cook, T. M., Smith, A. F. (2016). Videolaryngoscopy versus direct laryngoscopy for adult patients requiring tracheal intubation. Cochrane Database Syst. Rev., 11, CD011136.
]Search in Google Scholar
[
Li, L., Yong, R. J., Kaye, A. D. (2020). Perioperative point of care ultrasound (POCUS) fora: An overview. Curr. Pain Headache Rep., 24 (5), 20.
]Search in Google Scholar
[
Lundstrøm, L. H., Vester-Andersen, M., Møller, A. M., Charuluxananan, S. L., Hermite, J., Wetterslev, J. (2011). The Danish Anaesthesia Database, poor prognostic value of the modified Mallampati score: A meta-analysis involving 177 088 patients. Brit. J. Anaesth., 107 (5), 659–667.10.1093/bja/aer29221948956
]Search in Google Scholar
[
Nichol, H. C., Zuck, D. (1983). Difficult laryngoscopy: The “anterior” larynx and the atlanto-occipital gap. Brit. J. Anaesth., 55, 141–143.10.1093/bja/55.2.1416830676
]Search in Google Scholar
[
Nørskov, A. K. (2016). Preoperative airway assessment: Experience gained from a multicentre cluster randomised trial and the Danish Anaesthesia Database. Dan. Med. J., 63 (5), B5241.
]Search in Google Scholar
[
Prakash, S., Kumar, A., Bhandari, S., Mullick, P., Singh, R., Gogia, A. R. (2014). Difficult laryngoscopy and intubation in the Indian population: An assessment of anatomical and clinical risk factors. Indian J. Anaesth., 57 (6), 569–575.
]Search in Google Scholar
[
Refshauge, K. M., Goodsell, M., Lee, M. (1994). The relationship between surface contour and vertebral body measures of upper spine curvature. Spine, 19, 2180–2185.10.1097/00007632-199410000-000107809751
]Search in Google Scholar
[
Sawin, P. D., Todd, M. M., Traynelis, V. C., Farrell, S. B., Nader, A., Sato, Y., Clausen, J. D., Goel, V. K. (1996). Cervical spine motion with direct laryngoscopy and orotracheal intubation: An in vivo cinefluoroscopic study of subjects without cervical abnormality. Anesthesiology, 85, 26–36.10.1097/00000542-199607000-000058694378
]Search in Google Scholar
[
Schnittker, R., Marshall, S. D., Berecki-Gisolf, J. (2020). Patient and surgery factors associated with the incidence of failed and difficult intubation. Anaesthesia, 75 (6), 756–766.10.1111/anae.1499732232991
]Search in Google Scholar
[
Seo, S. H., Lee, J. G., Yu, S. B., Kim, D. S., Ryu, S. J., Kim, K. H. (2012). Predictors of difficult intubation defined by the intubation difficulty scale (IDS): Predictive value of 7 airway assessment factors. Korean J. Anesthes., 63 (6), 491–497.10.4097/kjae.2012.63.6.491353152623277808
]Search in Google Scholar
[
Sotoodehnia, M., Rafiemanesh, H., Mirfazaelian, H., Safaie, A., Baratloo, A. (2021). Ultrasonography indicators for predicting difficult intubation: A systematic review and meta-analysis. BMC Emerg. Med., 21, 76.10.1186/s12873-021-00472-w825499234217221
]Search in Google Scholar
[
Stroumpoulis, K., Pagoulatou, A., Violari, M., Ikonomou, I., Kalantzi, N., Kastrinaki, K., Xanthos, T., Michaloliakou, C. (2009). Videolaryngoscopy in the management of the difficult airway: A comparison with the Macintosh blade. Eur. J. Anaesth., 26 (3), 218–222.10.1097/EJA.0b013e32831c84d119237983
]Search in Google Scholar
[
Takenaka, I., Iwagaki, T., Aoyama, K., Ishimura, H., Kadoya, T. (2006). Pre-operative evaluation of extension capacity of the occipitoatlantoaxial complex in patients with rheumatoid arthritis: Comparison between the Bellhouse test and a new method, hyomental distance ratio. Anesthesiology, 104, 680–685.10.1097/00000542-200604000-0001116571962
]Search in Google Scholar
[
Vidhya, S., Sharma, B., Swain, B. P., Singh, U. K. (2020). Comparison of sensitivity, specificity, and accuracy of Wilson’s score and intubation prediction score for prediction of difficult airway in an eastern Indian population: A prospective single-blind study. J. Family Med. Prim. Care, 9 (3), 1436–1441.10.4103/jfmpc.jfmpc_1068_19726617732509629
]Search in Google Scholar
[
Wang, T., Sun, S., Huang, S. (2018). The association of body mass index with difficult tracheal intubation management by direct laryngoscopy: A meta-analysis. BMC Anesth., 18, 79.10.1186/s12871-018-0534-4602651829960594
]Search in Google Scholar
[
Workeneh, S. A., Gebregzi, A. H., Denu, Z. A. (2017). Magnitude and pre-disposing factors of difficult airway during induction of general anaesthesia. Anesth. Res. Practice, ID 5836397.
]Search in Google Scholar
[
Yentis, S. M., Lee, D. J. (1998). Evaluation of an improved scoring system for the grading of direct laryngoscopy. Anaesthesia, 53 (11), 1041–1044.10.1046/j.1365-2044.1998.00605.x10023271
]Search in Google Scholar