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Comparison of GlideScope(®) versus Macintosh laryngoscope for the removal of a hypopharyngeal foreign body: a randomized cross-over cadaver study

 Sang Mo Je  ;  Min Joung Kim  ;  Sung Phil Chung  ;  Hyun Soo Chung 
 RESUSCITATION, Vol.83(10) : 1277-1280, 2012 
Journal Title
Issue Date
Adult ; Cadaver ; Cross-Over Studies ; Equipment Design ; Female ; Foreign Bodies/therapy* ; Humans ; Hypopharynx* ; Laryngoscopes* ; Laryngoscopy/education* ; Male ; Random Allocation
Choking ; Asphyxia ; Foreign body airway obstruction ; GlideScope ; Magill forceps
OBJECTIVE: This study aimed to evaluate whether GlideScope(®) is an effective and acceptable method for the removal of a hypopharyngeal foreign body. METHODS: This was a prospective study conducted in 28 first year emergency residents with little prior airway management experience. Participants extracted hypopharyngeal foreign bodies using a Macintosh laryngoscope and GlideScope(®) with Magill and Sponge forceps. The primary endpoints were extraction time and success rate with each device. Participant preferences were also assessed. RESULTS: The cumulative success rate in relation to time to extraction was significantly higher with the Macintosh laryngoscope than with the GlideScope(®) (p<0.001) regardless of the extraction device. Significantly fewer attempts were required for the first successful extraction with the Macintosh laryngoscope versus GlideScope(®) with Magill forceps (p=<0.001) and Sponge forceps (p=<0.001). The time for successful foreign body extraction using GlideScope(®) was significantly lower when using Magill (median 46 s, IQR 28-75 s) forceps than Sponge forceps (median 79 s, IQR 41-88 s). CONCLUSIONS: In this cadaver model, the Macintosh laryngoscope appeared to be more efficient and preferred than GlideScope(®) for extracting hypopharyngeal airway foreign bodies that are associated with fatal asphyxiation.
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1. College of Medicine (의과대학) > Dept. of Emergency Medicine (응급의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Min Joung(김민정) ORCID logo https://orcid.org/0000-0003-1634-5209
Chung, Sung Pil(정성필) ORCID logo https://orcid.org/0000-0002-3074-011X
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