• Yu-Chun Liu, Wen-Cheng Huang, Elise Chia-Hui Tan, Shiang-Suo Huang, Yen-Kai Wang, and Ya-Chun Chu.
• Department of Anesthesiology, Taipei Veterans General Hospital, Taipei and Institute of Medicine, National Yang Ming Chiao Tung University, Hsinchu, 30010, Taiwan.
• J Formos Med Assoc. 2022 Jan 1; 121 (1 Pt 1): 108-116.

Background/PurposeIncreasing evidence indicates an association of video laryngoscopy with the success rate of airway management in patients with neck immobilization. Nevertheless, clinical practice protocols for tracheal intubation in patients immobilized using various types of cervical orthoses and the outcomes remain unclear.MethodsWe retrospectively assessed the tracheal intubation techniques selected for patients immobilized using cervical orthoses from 2015 to 2018. The endpoints were the intubation outcomes of the different techniques and the factors associated with the selection of the technique.ResultsWe included 218 patients, 118 of whom wore halo vest braces (halo vest group) and 100 wore cervical collars (collar group). GlideScope video laryngoscopy (GVL) and fiberoptic bronchoscopy (FOB) were the initial intubation methods in 98 and 120 patients, respectively. GVL had a higher first-attempt success rate than did FOB in the collar group (p = 0.002) but not in the halo vest group (p = 0.522). GVL was associated with a lower risk of episodes of SaO2< 90% (adjusted relative risk [aRR], 0.11; 95% CI, 0.02-0.67; p = 0.016) and shorter intubation time (aRR, -3.52; 95% CI, -4.79∼-2.25; p < 0.001) in the collar group. However, in the halo vest group, more frequent requirement of a rescue technique (p = 0.002) and necessity of patient awakening (p = 0.001) was noted when GVL was used. Use of the halo vest brace and noting of severe cord compression were independent predictors of the initial selection of FOB.ConclusionCaution should be exercised when using GVL for tracheal intubation in patients immobilized using halo vest braces.Copyright © 2021. Published by Elsevier B.V.

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