CookTWoodallNFrerkC.Major complications of airway management in the UK: Results of the Fourth National Audit Project of the Royal College of Anaesthetists and the Difficult Airway Society. Part 1: Anaesthesia. Br J Anaesth2011; 106: 617–631.
2.
RosenstockCNorskovAWetterslevJ, et al. Emergency surgical airway management in Denmark: A cohort study of 452461 patients registered in the Danish Anaesthesia Database. Br J Anaesth2016; 117(Suppl. 1): i75–i82.
3.
CookTWoodallNHarperJ, et al. Major complications of airway management in the UK: Results of the Fourth National Audit Project of the Royal College of Anaesthetists and the Difficult Airway Society. Part 2: Intensive care and emergency departments. Br J Anaesth2011; 106: 632–642.
4.
DugganLLockhartSCookT, et al. The Airway app: Exploring the role of smartphone technology to capture emergency front-of-neck airway experiences internationally. Anaesthesia2018; 73: 703–710.
5.
CookTWoodallNFrerkC.4th National Audit Project of the Royal College of Anaesthetists and the Difficult Airway Society: Major complications of airway management in the United Kingdom. London: Churchill House, 2011.
6.
MarshallS.The use of cognitive aids during emergencies in anesthesia: A review of the literature. Anesth Analg2013; 117: 1162–1171.
7.
MarshallS.Helping experts and expert teams perform under duress: An agenda for cognitive aid research. Anaesthesia2017; 72: 289–295.
8.
MerryA.Advancing patient safety through the use of cognitive aids. BMJ Qual Saf2016; 25: 733–735.
9.
EvansDMcCahonRBarleyM, et al. Cognitive Aids in Medicine Assessment Tool (CMAT): Preliminary validation of a novel tool for the assessment of emergency cognitive aids. Anaesthesia2015; 70: 922–932.
10.
ChrimesN.The Vortex: A universal ‘high-acuity implementation tool’ for emergency airway management. Br J Anaesth2016; 117(Suppl. 1): i20–i27.
FrerkCMitchellVMcNarryA, et al. Difficult Airway Society 2015 guidelines for management of unanticipated difficult intubation in adults. Br J Anaesth2015; 115: 827–848.
HuttonMGoldhaber-FiebertSAustinN, et al. Difficult airway / cric in Stanford Anesthesia Cognitive Aid Program, Emergency Manual: Cognitive aids for perioperative crises, Version 4, http://emergencymanual.stanford.edu (2021, accessed July 2025).
15.
MarshallS.Lost in translation? Comparing the effectiveness of electronic-based and paper-based cognitive aids. Br J Anaesth2017; 119: 869–871.
16.
HeardAGreenREakinsP.The formulation and introduction of a ‘can’t intubate, can’t ventilate’ algorithm into clinical practice. Anaesthesia2009; 64: 601–608.
