Stylet angulation of 70 degrees reduces the time to intubation with the GlideScope®: A prospective randomised trial:
2018
ObjectiveThe GlideScope® videolaryngoscope provides a good view of the glottis. However, directing and inserting an endotracheal tube is sometimes difficult during intubation with the GlideScope®. In this study, we compared two GlideScope® stylet angulations (90° vs. 70°) in terms of the time to intubation.MethodsIn total, 162 patients scheduled for elective surgery under general anaesthesia were randomly assigned to one of two groups. In the 90 group (n = 79), a 90° stylet was used. In the 70 group (n = 78), a 70° stylet was used. The time to intubation was recorded. The number of intubation attempts was assessed.ResultsThe time to intubation was significantly shorter in the 70 than 90 group [26.0 (23.0–32.0) vs. 37.0 (30.0–43.0) s, respectively]. The first-time intubation success rate was significantly higher and the number of failed intubations was significantly lower in the 70 than 90 group (100% vs. 87% and 0% vs. 6%, respectively).ConclusionsThis investigation suggests that a 70° angle stylet is sup...
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