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The aim of this study is to evaluate the impact of the FreeO2 system on the quality of the oxygen therapy in confirmed or suspected SARS-CoV-2 patients in the emergency department.
The aim of this study is to evaluate the impact of the FreeO2 system on the quality of the oxygen therapy in confirmed or suspected SARS-CoV-2 patients in the emergency department. The quality of oxygen therapy is evaluated by the time spent in the SpO2 target (+/- 2% SpO2 target), time spent in hyperoxemia (> 5% SpO2 target), time spent in hyperoxemia (<5% SpO2 target).
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Automated oxygen titration | Device | Automated oxygen administration to maintain the SpO2 target at a predefined value during emergency length of stay |
|
| Measure | Description | Time Frame |
|---|---|---|
| Percentage of time in the saturation target in patients on automated oxygen titration device. | The percentage of time in target is defined by the percentage of time of (Target - 3% target) < SpO2 value < (Target + 3%) of the selected Spo2 target using automated oxygen titration device. | From the initiation of oxygen therapy with FreeO2 until the date of emergency department discharge or Stop of oxygen therapy with FreeO2 whichever came first, assessed up to 3 day after emergency admission |
| Measure | Description | Time Frame |
|---|---|---|
| Oxygenation data - hyperoxemia | The percentage of time in hyperoxemia defined as a SpO2 value > 5% from the target. | From the initiation of oxygen therapy with FreeO2 until the date of emergency department discharge or Stop of oxygen therapy with FreeO2 whichever came first, assessed up to 3 day after emergency admission |
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Inclusion Criteria:
Exclusion Criteria:
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Confirmed or suspected SARS-CoV-2 patient aged 18 years old or older on automated oxygen therapy in the emergency department.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| François Lellouche, MD, PhD | Contact | 418-656-8711 | 3572 | francois.lellouche@criucpq.ulaval.ca |
| Léa Dallaire, MD | Contact | 438-868-8022 | lea.dallaire.1@ulaval.ca |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Institut Universitaire de Cardiologie et de Pneumologie de Québec-Université Laval | Québec | G1V 4G5 | Canada |
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| ID | Term |
|---|---|
| D000086382 | COVID-19 |
| D000860 | Hypoxia |
| D018496 | Hyperoxia |
| ID | Term |
|---|---|
| D011024 | Pneumonia, Viral |
| D011014 | Pneumonia |
| D012141 | Respiratory Tract Infections |
| D007239 | Infections |
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| Oxygenation data - severe hypoxemia |
The percentage of time in hypoxemia defined as a SpO2 value < 85% |
| From the initiation of oxygen therapy with FreeO2 until the date of emergency department discharge or Stop of oxygen therapy with FreeO2 whichever came first, assessed up to 3 day after emergency admission |
| Oxygenation data - mild hypoxemia | The percentage of time in mild hypoxemia defined as a : (Target - 5% target) < SpO2 value < (Target - 2%) | From the initiation of oxygen therapy with FreeO2 until the date of emergency department discharge or Stop of oxygen therapy with FreeO2 whichever came first, assessed up to 3 day after emergency admission |
| automated oxygen therapy duration | Length of total time on automated oxygen therapy in the emergency department in hours. | From the initiation of oxygen therapy with FreeO2 until the date of emergency department discharge or Stop of oxygen therapy with FreeO2 whichever came first, assessed up to 3 day after emergency admission |
| Ventilatory support | Need of change in ventilatory support device : (mechanical ventilation, non-invasive mechanical ventilation, high flow nasal canula, oxygen therapy) during emergency length of stay | From the initiation of oxygen therapy with FreeO2 until hospital discharge, assessed up to 2 months after emergency admission |
| Emergency length of stay. | Time of stay in hours in the emergency department. | From emergency departement admission until the date of emergency department discharge assessed up to 3 day after emergency admission |
| Hospital length of stay. | Time of stay in hours during hospitalisation Time of stay in hospitalisation setting (excluding the intensive care unit) and intensive care unit in days. | From emergency departement admission until the date of hospital discharge assessed up to 2 months after emergency admission |
| Orientation of care | Describe departement admission (emergency observation, general ward ,intensive care unit) | From emergency departement admission until the date of hospital discharge assessed up to 2 months after emergency admission |
| D014777 |
| Virus Diseases |
| D018352 | Coronavirus Infections |
| D003333 | Coronaviridae Infections |
| D030341 | Nidovirales Infections |
| D012327 | RNA Virus Infections |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
| D012818 | Signs and Symptoms, Respiratory |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |