A Two-Operator Technique for GlideScope-Assisted Endotracheal Intubation

Plain-language summary

The primary objective of this study is to compare the first attempt success rate of endotracheal intubation using the GlideScope video laryngoscope when performed by two operators versus a single operator. Secondary objectives include assessing the time to intubate, the need for optimization maneuvers, the effect of the presence of predictors of difficult intubation, the occurrence of adverse events during intubation such as oxyhemoglobin desaturation to less than 90% measured by pulse oximetry, the incidence of airway trauma, and the incidence and severity of post-op sore throat. The main question it aims to answer is: Is endotracheal intubation performed using the Glidescope video laryngoscope with an intubating stylet by two operators, non-inferior to the same procedure performed by single operator in terms of first attempt success rate? Researchers will compare first attempt success rate of endotracheal intubation using the GlideScope video laryngoscope when performed by two operators versus a single operator to see if assistance in using the GlideScope provides similar first attempt success rate of endotracheal intubation and thus guarantees securing a difficult airway. Participants will be enrolled in one of two groups over 9 months of work. They will be further stratified into blocks according to the presence of at least one predictor of difficult intubation. Patients allocated to the control group will be intubated using the GlideScope by a single operator and those allocated to the experimental group will be intubated using the GlideScope with the assistance of a second operator.

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