NCT03430258.

Study name	High‐flow nasal cannula oxygen therapy with the chest trauma patients
Methods	RCT, parallel‐group design. Single‐centre study
Participants	Estimated number of participants: 90 Setting: emergency ICU; China Inclusion criteria: moderate to severe blunt thoracic injury (abbreviated injury scale chest score ≥ 3); admitted to the ICU Exclusion criteria: intubated or used MV within 2 hrs; emergency surgery within 2 hrs; unable to assess using transthoracic ultrasound (severe subcutaneous emphysema or pneumothorax; GCS < 8
Interventions	Intervention group (HFNC): delivered by Optiflow nasal cannula using AIRVO 2 humidifier Control group (standard oxygen therapy): nasal cannula or non‐rebreathe mask
Outcomes	All outcomes reported: intubation rate; lung aeration; ICU length of stay Outcomes relevant to this review: intubation rate; ICU length of stay
Starting date	12 February 2018
Contact information	No contact details available
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