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Effect of High-flow nasal cannula oxygen on end-expiratory lung volumes determined by electrical impedance tomography
Prospective clinical study in ICU with patients requiring High-flow nasal cannula oxygen comparing lung volumes determined by electrical impedance tomography and diaphragmatic ultrasound before, during and after High-flow nasal cannula oxygen.
Duration of High-flow nasal cannula oxygen is 30 minutes.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Adult ICU patients |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| High-flow nasal cannula oxygen | Other |
|
| Measure | Description | Time Frame |
|---|---|---|
| End-expiratory lung volume (EELV) determined by electrical impedance tomography before NIV non invasive ventilation | at day 1 | |
| End-expiratory lung volume (EELV) determined by electrical impedance tomography during NIV non invasive ventilation | at day 1 | |
| End-expiratory lung volume (EELV) determined by electrical impedance tomography after NIV non invasive ventilation | at day 1 |
| Measure | Description | Time Frame |
|---|---|---|
| Anterior, medio-anterior, medio-posterior and posterior EELV at each time | at day 1 | |
| Diaphragmatic excursion and thickness determined by ultrasound | at day 1 | |
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Inclusion Criteria:
• Adult ICU patients requiring High-flow nasal cannula oxygen
Exclusion Criteria:
• Tracheotomized patients
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Adult ICU patients
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| Name | Affiliation | Role |
|---|---|---|
| Sébastien PERBET | University Hospital, Clermont-Ferrand | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| CHU Clermont-Ferrand | Clermont-Ferrand | 63003 | France |
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| Ventilatory frequency |
| at day 1 |