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Comparing McGRATH® MAC, C-MAC®, and Macintosh Laryngoscopes Operated by Medical Students: A Randomized, Crossover, Manikin Study

Authors
 Myungju Shin  ;  Sun Joon Bai  ;  Ki-Young Lee  ;  Ein Oh  ;  Hyun Joo Kim 
Citation
 BIOMED RESEARCH INTERNATIONAL, Vol.2016 : 8943931, 2016 
Journal Title
 BIOMED RESEARCH INTERNATIONAL 
ISSN
 2314-6133 
Issue Date
2016
MeSH
Adult ; Cross-Over Studies ; Female ; Humans ; Laryngoscopes* ; Laryngoscopy*/education ; Laryngoscopy*/instrumentation ; Laryngoscopy*/methods ; Male ; Manikins* ; Students, Medical*
Abstract
We hypothesized that the McGRATH MAC would decrease the time of intubation compared to C-MAC for novices. Thirty-nine medical students who had used the Macintosh blade to intubate a manikin fewer than 3 times were recruited. The participants performed sequential intubations on the manikin in two simulated settings that included a normal airway and a difficult airway (tongue edema). The intubation time, success rate of intubation, Cormack-Lehane grade at laryngoscopy, and difficulty using the device were recorded. Each participant was asked to identify the device that was most useful. The intubation time decreased significantly and by a similar amount to the McGRATH MAC and C-MAC compared to the Macintosh blade (P < 0.001 and P = 0.017, resp.). In the difficult airway, the intubation times were similar among the three devices. The McGRATH MAC and C-MAC significantly increased the success rate of intubation, improved the Cormack-Lehane grade, and decreased the difficulty score compared to the Macintosh blade in both airway settings. The majority of participants selected the McGRATH MAC as the most useful device. The McGRATH MAC and C-MAC may offer similar benefits for intubation compared to the Macintosh blade in normal and difficult airway situations.
Files in This Item:
T201603520.pdf Download
DOI
10.1155/2016/8943931
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hyun Joo(김현주) ORCID logo https://orcid.org/0000-0003-1963-8955
Bai, Sun Joon(배선준) ORCID logo https://orcid.org/0000-0001-5027-3232
Shin, Myung Ju(신명주)
Lee, Ki Young(이기영) ORCID logo https://orcid.org/0000-0003-4893-3195
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/152001
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