European journal of anaesthesiology
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Randomized Controlled Trial Comparative Study
Preoxygenation by spontaneous breathing or noninvasive positive pressure ventilation with and without positive end-expiratory pressure: A randomised controlled trial.
In emergency situations requiring rapid airway control, shortening preoxygenate time is desirable. ⋯ Compared with spontaneous breathing, positive pressure ventilation with and without PEEP shortened preoxygenation time.