• Jae-Hang Shim, Woo Jae Jeon, Sang Yun Cho, and Gyu Ho Choe.
• Department of Anesthesiology and Pain Medicine, Hanyang University Guri Hospital, Guri, Korea.
• Korean J Anesthesiol. 2016 Apr 1; 69 (2): 133-7.

BackgroundA "difficult airway" can be simulated with an extrication collar, which restricts cervical motion and mouth opening. The purpose of this study is to compare the efficacy of the GlideScope and the McGrath in difficult airway simulation.MethodsPatients were randomized using computer-generated numbers and were placed into the GlideScope group or the McGrath group. The total intubation time was defined as the time measured from when the anesthesiologist picks up the device to the time at which three successive end-tidal CO2 values are acquired after intubation.ResultsThere was no significant difference in total intubation time between the two groups (73.0 ± 25.3 sec vs. 72.3 ± 20.9 sec, P = 0.92). The success rates of the first intubation attempt did not differ between the two groups (82.8% vs. 83.3%, P = 0.95).ConclusionsOur results suggest that there are no significant differences in the intubations with GlideScope and McGrath using vascular forceps and tube exchangers in difficult intubation scenarios.

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