Table 1

Inclusion and exclusion criteria

PopulationAdult (≥18 years) patients and mannequin simulation exercises
InterventionNon-conventional patient positions (head-down position, had-up position, etc)
ComparatorSupine patient position
OutcomePatient-centred outcomes (desaturation episodes/hypoxaemia events, hypoxia, lowest oxygen saturation, aspiration events, duration of mechanical ventilation, ventilator-free days, ICU-free days, overall mortality, etc) and outcomes associated with difficult airway management (laryngoscopic view, time required to intubate, successful first-pass intubation, aspiration volume, etc)
  • ICU, intensive care unit.