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| Name | Class |
|---|---|
| Innovation Fund Denmark | INDIV |
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Patients with coronavirus disease (COVID-19) and pneumonitis often have hypoxemic respiratory failure and a need of supplementary oxygen. Guidelines recommend controlled oxygen, for most patients with a recommended interval of SpO2 between 92 and 96 %. We aimed to determine if closed-loop control of oxygen was feasible in patients with COVID-19 and could maintain SpO2 in the specified interval.
Patients with coronavirus disease (COVID-19) and pneumonitis often have hypoxemic respiratory failure and a need of supplementary oxygen. Guidelines recommend controlled oxygen, for most patients with a recommended interval of SpO2 between 92 and 96 %. We aimed to determine if closed-loop control of oxygen was feasible in patients with COVID-19 and could maintain SpO2 in the specified interval.
Patients were prospectively enrolled in an observational study on a medical ward dedicated to patients with COVID-19. Closed-loop controlled oxygen was delivered by O2matic® which can deliver 0-15 liters/min and adjusts flow every second based on 15 seconds averaging of SpO2 measured by pulse oximetry. Lung function parameters were measured at admission.
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Closed-loop control of oxygen supplementation by O2matic | Device | Closed-loop control of oxygen supplementation to achieve a target SpO2 of 92 - 96 % |
| Measure | Description | Time Frame |
|---|---|---|
| Time in SpO2 target | Time in SpO2 target of 92-96 % | 1 week |
| Measure | Description | Time Frame |
|---|---|---|
| Time with SpO2 not more than 2 % outside target | Time with SpO2 not more than 2 % outside target | 1 week |
| Time with SpO2 more than 2 % outside target | Time with SpO2 more than 2 % outside target |
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Inclusion Criteria:
Exclusion Criteria:
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Patients admitted with COVID-19 pneumonitis and in need of oxygen supplementation
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| Name | Affiliation | Role |
|---|---|---|
| Ove Andersen, PhD | Hvidovre University Hospital | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Hvidovre University Hospital | Copenhagen | 3550 | Denmark |
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| ID | Term |
|---|---|
| D000086382 | COVID-19 |
| D012131 | Respiratory Insufficiency |
| D000860 | Hypoxia |
| ID | Term |
|---|---|
| D011024 | Pneumonia, Viral |
| D011014 | Pneumonia |
| D012141 | Respiratory Tract Infections |
| D007239 | Infections |
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| 1 week |
| Time with SpO2 < 85 % | Time with SpO2 < 85 % | 1 week |
| D014777 |
| Virus Diseases |
| D018352 | Coronavirus Infections |
| D003333 | Coronaviridae Infections |
| D030341 | Nidovirales Infections |
| D012327 | RNA Virus Infections |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
| D012120 | Respiration Disorders |
| D012818 | Signs and Symptoms, Respiratory |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |