Management of Moderately Hypoxemic Thoracic Trauma

Interventional group: All patients included in this group will receive a continuous heated and humidified high-flow (30 to 60 l/min) oxygenation with a nasal cannula for 48 hours. Initially, flow rate will be started at 50 l/min with a FiO2 at 50%. According to the protocol, flow rate and FiO2 will be titrated on SpO2 and respiratory tolerance. Weaning and failure of high-flow oxygenation are described in detail in the study protocol.

Control group: All patients included in this group will receive a low flow oxygenation (flow rate \< 15 l/min) with nasal cannula (flow rate ≤ 6 l/min) or non-rebreathing mask (flow rate ≥ 7 l/min).