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KMID : 1100620230100020181
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Clinical and Experimental Emergency Medicine
2023 Volume.10 No. 2 p.181 ~ p.190
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Usability testing of a blind intubation device for intubation novices: a randomized crossover simulation study
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Kim Dae-Kon
Kim Yu-Jin
Jeong Joo
Joo Yoon-Ha
Jo You-Hwan
Park Seung-Min
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Abstract
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Objective: A new blind intubation device (BID) has been developed for endotracheal intubation. This study aimed to test the usability of the BID in comparison to direct laryngoscopy (DL) and video laryngoscopy (VL) with inexperienced healthcare providers for endotracheal intubation.
Methods: This was a randomized crossover simulation study. Participants who had conducted fewer than five live intubation sessions were included in the study. The manikin simulation was conducted using a Laerdal trainer airway manikin. Participants performed intubation using all three devices, DL, VL, and BID. The primary outcome was intubation success rate in the first pass the secondary outcome was intubation time to first ventilation, and the tertiary outcome was dental injury.
Results: A total of 45 healthcare workers who were novices in intubation participated in this study, including 13 physicians (interns), 14 emergency medical technicians, and 18 nurses. The intubation success rates in the first pass with BID, DL, and VL were 93.3%, 91.1%, and 97.8%, respectively (P=0.53). The intubation times to first ventilation with BID, DL, and VL were 13.15±6.16, 19.07±7.71, and 17.31±6.57 seconds, respectively (P<0.01). The proportions of dental injuries associated with BID, DL, and VL were 0% for physicians; 28.6%, 14.3%, and 0%, respectively for emergency medical technicians; and 27.8%, 11.1%, and 16.7%, respectively for nurses.
Conclusion: We performed a pilot study to test the usability of the new BID. There was no significant difference in intubation success rate in the first pass among BID, DL, and VL. The intubation time to first ventilation was shorter with the BID compared to DL and VL.
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KEYWORD
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Airway management, Intratracheal intubation, Equipment and supplies, Pilot projects
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