The aim of this observational before/after study is to determine how to optimally administer oxygen to patients experiencing an asthma or COPD exacerbation in emergency medical services. The aim will be to determine which method will achieve the target oxygen saturation objectives: \> 95% in asthma exacerbations and between 88% and 92% (or \> 92% in ambient air or with FiO2 21%) in COPD exacerbations. The study will compare a group "before" receiving standard care with a nebulizer mask to a group "after" using a combination of a vibrating membrane nebulizer and high-flow nasal oxygen.
The "after" group will systematically receive both devices: vibrating membrane nebulizer and high-flow nasal oxygen. In both groups, the choice of nebulized therapies will be left to the clinician's discretion.
Study Type
OBSERVATIONAL
Vibrating membrane nebulizer and high-intensity nasal oxygen
nebulizer mask and oxygen therapy of 6 to 9 liters per minute
Centre Hospitalier Sud Francilien
Corbeil-Essonnes, France
Achievement of saturation targets
* Asthma: SpO₂ at 15 min \> 95% * COPD: SpO₂ at 15 min 88-92% or SpO₂ \> 92% in ambient air or with FiO₂ 21%
Time frame: at 15 minutes
FiO₂
Successful implementation of the vibrating membrane nebulizer and high-flow nasal oxygen devices
Time frame: at the end of care
flow rate
Successful implementation of the vibrating membrane nebulizer and high-flow nasal oxygen devices
Time frame: at the end of care
Likert scale
Likert scale on the ease of use of the device
Time frame: up to 30 minutes
Causes of failure
For the "after" group
Time frame: up to 30 minutes
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