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Jae Hoon Oh 1 Article
Comparison of Intubation Success Rate and Times Required for Intubation by Glottic Exposure Methods with Glidescope(R)
Hyung Seo Jang, Jun Bum Park, Jae Hoon Oh, Chang Sun Kim, Hyuk Joong Choi, Bo Seung Kang, Tae Ho Lim, Hyung Goo Kang
Korean J Crit Care Med. 2013;28(4):241-246.
DOI: https://doi.org/10.4266/kjccm.2013.28.4.241
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AbstractAbstract PDF
BACKGROUND
The glottis can be exposed by a Glidescope(R) during endotracheal intubation using either the epiglottis or valleculae elevation method. We compared the epiglottis and valleculae elevation methods for endotracheal intubations performed with a Glidescope(R) using differences in success rate, time spent for tracheal intubation and percent of glottic opening.
METHODS
Forty medical students without experience using a Glidescope(R) participated in this prospective, randomized study in which they intubated a tracheal tube into a manikin. All participants performed tracheal intubation using the 2 forementioned methods. Twenty students exposed the vocal cord by placing the blade tip in the valleculae (valleculae elevation method; VEM). The other 20 students directly elevated the epiglottis with the blade (epiglottis elevation method; EEM). We separated intubating time into 3 parts: turnaround time to exposing the vocal cord, tube passing time and first ventilating time.
RESULTS
The success rate of tracheal intubation using VEM (86.7%, 104/120) was higher than that using EEM (65.8%, 79/120) (p < 0.001). VEM resulted in a lower total intubation time (VEM vs. EEM, 23.5 +/- 5.3 vs. 29.0 +/- 8.7, p = 0.001). The key factor of this difference was the tube passing time (VEM vs. EEM, 7.4 +/- 2.5 vs. 12.8 +/- 7.4, p < 0.001).
CONCLUSIONS
Exposing the vocal cord by using VEM during tracheal intubation with a Glidescope(R) can increase the success rate of tracheal intubation and shorten the time of endotracheal intubation in novices.

ACC : Acute and Critical Care