Monitors to Improve Indoor Carbon Dioxide (CO2) Concentrations in the Hospital
NCT ID: NCT04770597
Last Updated: 2021-05-11
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
12 participants
INTERVENTIONAL
2021-02-21
2021-05-02
Brief Summary
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The aim of this prospective pilot randomized controlled trial (RCT) is to evaluate whether CO2 monitoring devices would be useful as a means to further maintain lower indoor CO2 concentrations in hospitals.
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Detailed Description
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Each device will continuously measure indoor CO2 concentrations at 1-minute intervals during 4 time periods:
1\. Baseline: staff blinded to CO2 levels displayed on sensor
2-3. Sham/Intervention period: sensors on the same ward will be randomized to placebo (sensor not showing CO2 levels to staff) or Intervention (sensor displaying CO2 levels to staff) in a cross-over design
4\. Post-intervention phase (3 weeks post-intervention): staff blinded to CO2 levels
Each measurement period will consist of 7 days with no washout period.
Our primary hypothesis is that CO2 sensors will record less time (minutes) with elevated CO2 levels during the intervention period, compared to the Sham periods. However, carry-over effects will be investigated by comparing the Intervention periods to the Baseline and Post-intervention phases.
Note \[February 27, 2021\]: due to technical problems with the Aranet4 device Bluetooth connection, outcome data will be analyzed according to measurement data at 2-5 minute intervals (measurements can be made every minute, but data cannot be downloaded with the current version of the app due to technical problems).
Conditions
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Study Design
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RANDOMIZED
CROSSOVER
HEALTH_SERVICES_RESEARCH
NONE
Study Groups
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Intervention
CO2 values on sensor visible to staff
Aranet4 Home CO2 monitor
The sensor is placed in the room at a height between 1 and 2 meters and not near the window or door.
Sham control
CO2 values on sensor not visible to staff
Aranet4 Home CO2 monitor
The sensor is placed in the room at a height between 1 and 2 meters and not near the window or door.
Interventions
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Aranet4 Home CO2 monitor
The sensor is placed in the room at a height between 1 and 2 meters and not near the window or door.
Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
ALL
No
Sponsors
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Imelda Hospital, Bonheiden
OTHER
Responsible Party
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Michaël R Laurent, MD PhD
Principal Investigator
Principal Investigators
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Michaël R Laurent, MD PhD
Role: PRINCIPAL_INVESTIGATOR
Geriatrics Department, Imelda Hospital Bonheiden
Locations
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Imelda Hospital
Bonheiden, , Belgium
Countries
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References
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Laurent MR, Frans J. Monitors to improve indoor air carbon dioxide concentrations in the hospital: A randomized crossover trial. Sci Total Environ. 2022 Feb 1;806(Pt 3):151349. doi: 10.1016/j.scitotenv.2021.151349. Epub 2021 Oct 30.
Other Identifiers
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20210209
Identifier Type: -
Identifier Source: org_study_id
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