The goal of this clinical trial is to validate the interest of a strategy adjusting the flow rate delivered under high-flow oxygen (HFO) therapy according to the lung volumes measured by a new technique, in intensive care patients with hypoxemic respiratory distress (HRD).
The main question it aims to answer is:
"The use of a technique of measurement of lung pulmonary with adjustement to the flow rate can make it possible to limite intubation in patients with HRD in intensive care?" The participants will be the patients admitted in intensive care for HRD with the need for treatment with HFO.
This participants will be randomized in :
* the arm control: treated by high flow oxygen therapy according to standard procedures. * or in the experimental arm : treated by high flow oxygen therapy with adjustement of ventilatory parametres based on lung volume measurements, obtained by the depth camera.
Respiratory rate ≥ 25 breaths per minutes
A ratio of the partial pressure of arterial oxygen (PaO2) to the FiO2 ≤ 300 mmHg while the patient is breathing oxygen at a flow rate of 10 liters per minutes or more
A partial pressure of arterial carbon dioxide (PaCO2) not higher than 45 mmHg
An absence of clinical history of underlying chronic respiratory failure
A do-not-intubate order
Pregnant or lactating woman
Cardiogenic pulmonary edema
Exacerbation of asthma
Parallel
high flow oxygen therapy rate adjusted of lung volumes measured
DrugUse of a technique based on non-contact measurement of lung volumes by depth camera in order to optimise the use of hihg flow oxygen therapy, with adaptation of the flow rate.
Use of intubation within 28 days of randomization
Collection of the use of intubation (Yes/No) in patients
Evaluation of organ dysfunction
daily SOFA score
Evaluation of respiratory therapy
daily ROX Index
Reduced need for ventilatory techniques
Number of days without ventilatory support
Mortality
Number of death
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