RCT: In critically ill adults undergoing tracheal intubation, use of a bougie did not significantly increase the incidence of successful first attempt intubation vs. with use of an endotracheal tube with stylet.

Effect of Use of a Bougie vs Endotracheal Tube With Stylet on Successful Intubation on the First Attempt Among Critically Ill Patients Undergoing Tracheal Intubation: A Randomized Clinical Trial – JAMA (free for a limited period)

Related: Randomized Trial: Comparison of Intubation Techniques in Patients with Difficult Airways