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Video versus direct laryngoscopy on successful firstpass endotracheal intubation in ICU patients

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Yong-xia Gao, Yan-bo Song, Ze-juan Gu, Jin-song Zhang, Xu-feng Chen, Hao Sun, Zhen Lu


Department of Emergency Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China


Corresponding Author: Ze-juan Gu, Jin-song Zhang, Email: 2364647510@qq.com


© 2018 World Journal of Emergency Medicine


DOI: 10.5847/wjem.j.1920–8642.2018.02.003


BACKGROUND: Airway management in intensive care unit (ICU) patients is challenging. The aim of this study was to compare the rate of successful first-pass intubation in the ICU by using the direct laryngoscopy (DL) and that by using the video laryngoscopy (VL).

METHODS: A randomized, non-blinded trial comparing first-pass success rate of intubation between VL and DL was performed. Patients were recruited in the period from August 2014 to August 2016. All physicians working at ICU received hands-on training in the use of the video and direct laryngoscope. The primary outcome measure was the first-pass intubation success.

RESULTS: A total of 163 ICU patients underwent intubation during the study period (81 patients in VL group and 82 in DL group). The rate of successful first-pass intubation was not significantly different between the VL and the DL group (67.9% vs. 69.5%, P=0.824). Moreover, the overall intubation success and total number of attempts to achieve intubation success did not differ between the two groups. In patients with successful first-pass intubation, the median duration of the intubation procedure did not differ between the two groups. The Cormack-Lehane grades and the percentage of glottic opening score were similar, and no significant differences were found between the two groups. There were no statistical differences between the VL and the DL group in intubation complications (all P>0.05).

CONCLUSION: Among ICU patients requiring intubation, there was no significant difference in the rate of successful first-pass intubation between VL and DL.

(World J Emerg Med 2018;9(2):99–104)


KEY WORDS: Intubation; Video laryngoscopy; Direct laryngoscopy; Intensive care unit

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