... during anesthesia induction, a greatersafety margin to control the airway in morbidly obese patients was observed in comparison with induction without thepositive end-expiratory pressure, increasing ... airwaymanagement including preoxygenation, and some oxygena-tion and tracheal intubation techniques that may be per-formed to solve a difficult airway.Prediction of difficult tracheal intubationOne component ... kg/m2,respectively), the risk of oxygen desaturation at induction of anesthesia [21] and the risk of difficult intubation [22,23] areincreased. On the other hand, obesity alone could not predictDTI...