Airway Management in Adult Intensive Care Units: A Survey of Two Regions in China

Table 2

Position and method for preoxygenation.

Question	Number	Percentage
Position for preoxygenation
Routine supine position	301	100%
Routine ramped position	0	0
Ramped position for patients with impaired FRC, e.g., obese or late-term pregnancy	63	21%
How to preoxygenate
Nasal tube	2	1%
Face mask	19	6%
Manual ventilation	169	56%
NIPPV	103	34%
HFNO	8	3%

Abbreviations: FRC: functional residual capacity; NIPPV: noninvasive positive pressure ventilation; HFNO: high-flow nasal cannula oxygen therapy.