• P J Le Fevre, C Gough, B J Hearne, L Corbett, C Seller, T M Cook, and F E Kelly.
• Department of Anaesthesia and Intensive Care Medicine, Royal United Hospitals Bath NHS Foundation Trust, Bath, UK.
• Anaesthesia. 2019 Apr 1; 74 (4): 480-487.

AbstractConventional emergency front of neck airway training manikins mimic slim patients and are associated with unrealistic procedural ease. We have described previously a pork belly-modified manikin that more realistically simulated an obese patient's neck. In this study, we compared a novel obese-synthetic manikin (obese-synthetic manikin) with a pork belly-modified manikin (obese-meat manikin) and a conventional slim manikin (slim manikin). Thirty-three experienced anaesthetists undertook simulated emergency front of neck airway procedures on each manikin (total 99 procedures). Time to ventilation was longer on both obese manikins compared with the slim manikin (median (IQR [range]) time to intubation 159 (126-243 [73-647]) s in the obese-synthetic, 105 (72-138 [43-279]) s in the obese-meat and 58 (47-74 [30-370]) s in the slim manikin; p < 0.001 between each manikin). Cricothyroidotomy success rate was similar in the both obese manikins but lower when compared with the slim manikin (15/33 obese-synthetic vs. 14/33 obese-meat vs. 27/33 slim manikin). Participant feedback indicated performance difficulty was similar between both obese manikins, which were both more difficult than the slim manikin. The tissues of the obese-meat manikin were judged more realistic than those of either other manikin. Overall, the obese-synthetic manikin performed broadly similarly to the obese-meat manikin and was technically more difficult than the conventional slim manikin. The novel obese-synthetic manikin maybe useful for training and research in front of neck airway procedures.© 2019 Association of Anaesthetists.

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