• J Clin Monit Comput · Jun 2023

    Randomized Controlled Trial

    Intubation using video laryngeal mask airway SaCoVLM and laryngeal mask airway Ambu® Aura-i in anesthetized children with microtia: a randomized controlled study.

    • Juan Zhi, Fu-Xia Yan, Ling-Xin Wei, Dong Yang, and Xiao-Ming Deng.
    • Department of Anesthesiology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 33 Ba-Da-Chu Road, Shi-Jing-Shan District, Beijing, 100144, China.
    • J Clin Monit Comput. 2023 Jun 1; 37 (3): 857865857-865.

    AbstractThe Ambu Aura-i laryngeal mask is considered to be a device for blind intubation as well as for fiberoptic guided intubation. The novel video laryngeal airway mask SaCoVLM is a supraglottic airway device that allows intubation under direct vision. We hypothesized that success rates for device placement and tracheal intubation with the SaCoVLM would be comparable with the Ambu Aura-i mask. A prospective, randomized clinical trial was conducted from March 2021 to December 2021. One hundred and twenty patients were enrolled and randomized in the study. Direct intubation was performed with the SaCoVLM, and fiberoptic guided intubation was performed with the Ambu Aura-i mask. The primary outcome measure was the first success rate of LMA placement. Secondary outcome measures were the time from device placement and time from endotracheal intubation (as well as the time for LMA removal after successful intubation), differences in airway leak pressure, fiberoptic grade of the laryngeal view, and incidence of blood staining. The first success rate of LMA placement was similar for the two devices. There was no difference in the time for successful endotracheal intubation between the Ambu Aura-i and SaCoVLM groups (24.1 s ± 6.3 versus 25.7 s ± 2.1; p > 0.05). The time for removal was slower in the SaCoVLM group than in the Ambu Aura-i group (20.8 s ± 0.8 versus 14.7 s ± 6.1; p < 0.01). The airway leak pressure was higher in the SaCoVLM group than in the Ambu Aura-i group (27.0 s ± 1.0 versus 22.3 s ± 3.6; p < 0.01), and the incidence of blood staining was higher in the SaCoVLM group (16.7%). The SaCoVLM has an overall comparable performance to the Ambu Aura-i mask. However, the SaCoVLM is better relative to direct intubation without the assistance of a flexible intubation scope, which reduces the device's demand.© 2022. The Author(s), under exclusive licence to Springer Nature B.V.

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