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Efficiency, limitations, and familiarization of a novel negative pressure aerosol box for intubation: a simulation-based randomized crossover study

Authors
 Youngbin Park  ;  Ki Sub Sung  ;  Ji Hoon Kim  ;  Jinwoo Myung  ;  Ju Young Hong 
Citation
 CLINICAL AND EXPERIMENTAL EMERGENCY MEDICINE, Vol.10(1) : 44-51, 2023-03 
Journal Title
CLINICAL AND EXPERIMENTAL EMERGENCY MEDICINE
Issue Date
2023-03
Keywords
Crossover studies ; Efficiency ; Intratracheal intubation ; Patient isolators ; Simulation training
Abstract
Objective This study aimed to introduce a novel negative pressure aerosol box (Carrycure Isola-tor) and to test its efficiency and limitations, with the hope of suggesting improvements and further directions. Methods A novel aerosol box (Carrycure Isolator) was invented. A single-center, randomized, crossover simulation study of 28 emergency medicine physicians was designed. Three trials of each participant using an intubation manikin were conducted, including intubation without the aerosol box (trial A), intubation with the aerosol box (trial B), and intubation with the aerosol box after familiarization (trial C). The primary endpoint was the time to intubation. The secondary endpoints were first-attempt success, number of attempts, percentage of glottic opening score, and Cormack-Lehane view. Collected data were statistically analyzed for their signifi-cance. Results The median times to intubation of trials A, B, and C were 30.5 (interquartile range [IQR], 28.0–40.0 seconds), 59.0 (IQR, 50.0–75.5 seconds), and 34.0 seconds (IQR, 30.5–47.0 seconds), respectively. Post hoc analysis showed that the time to intubation in trial B was significantly longer than that in trial A (P<0.05), while that the time to intubation in trial C was significantly shorter than that in trial B (P< 0.05). Results concerning secondary endpoints showed similar patterns. Participants reported performing intubation with Carrycure Isolator to be relatively dif-ficult, necessitating significant arm movement and view restrictions while increasing their time to intubation. Conclusion Physicians took a longer time to intubate a manikin using the Carrycure Isolator, a novel negative pressure aerosol box. However, the time was improved after a period of familiar-ization. © 2023 The Korean Society of Emergency Medicine.
Files in This Item:
T202400385.pdf Download
DOI
10.15441/ceem.22.342
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Emergency Medicine (응급의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Ji Hoon(김지훈) ORCID logo https://orcid.org/0000-0002-0070-9568
Myung, Jinwoo(명진우) ORCID logo https://orcid.org/0000-0002-5125-0881
Hong, Ju Young(홍주영) ORCID logo https://orcid.org/0000-0003-3416-3054
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/197904
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