Hypoxemia is the most common complication during endotracheal intubation of critically ill adults. Intubation in the ramped position has been hypothesized to prevent hypoxemia by increasing functional residual capacity and decreasing the duration of intubation, but has never been studied outside of the operating room. Therefore, Semler et al conducted a multicenter, randomized trial comparing the ramped position with the sniffing position among 260 adults undergoing endotracheal intubation by pulmonary and critical care medicine fellows in four intensive care units between July 22, 2015, and July 19, 2016.
They found that the ramped position did not improve oxygenation during endotracheal intubation of critically ill adults compared with the sniffing position.
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