SpO2 Measurement Depending on Different Pulse Oximeter Averaging Time Settings
NCT ID: NCT04933773
Last Updated: 2022-01-28
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
17 participants
INTERVENTIONAL
2021-05-15
2021-10-15
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
CROSSOVER
OTHER
SINGLE
Study Groups
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Set averaging times: 2-4 seconds and 8 seconds
SpO2 is measured by two pulse oximeters on one participant's hand (on the index finger and middle finger). One pulse oximeter is set to an averaging time of 2-4 seconds, the second pulse oximeter is set to an averaging time of 8 seconds.
Movement artifact - knocking
60 seconds motion artifact simulation - knocking with sensors
Movement artifact - tremor
60 seconds motion artifact simulation - tremor with sensors
Artifact - ambient light
60 seconds artifact simulation - ambient light using sensor opening
Artifact - low perfusion
60 seconds artifact simulation - reduced perfusion using a cuff
SpO2 measurement
Two SpO2 measuring devices are active simultaneously on one hand during measurement.
Set averaging times: 8 seconds and 16 seconds
SpO2 is measured by two pulse oximeters on one participant's hand (on the index finger and middle finger). One pulse oximeter is set to an averaging time of 8 seconds, the second pulse oximeter is set to an averaging time of 16 seconds.
Movement artifact - knocking
60 seconds motion artifact simulation - knocking with sensors
Movement artifact - tremor
60 seconds motion artifact simulation - tremor with sensors
Artifact - ambient light
60 seconds artifact simulation - ambient light using sensor opening
Artifact - low perfusion
60 seconds artifact simulation - reduced perfusion using a cuff
SpO2 measurement
Two SpO2 measuring devices are active simultaneously on one hand during measurement.
Interventions
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Movement artifact - knocking
60 seconds motion artifact simulation - knocking with sensors
Movement artifact - tremor
60 seconds motion artifact simulation - tremor with sensors
Artifact - ambient light
60 seconds artifact simulation - ambient light using sensor opening
Artifact - low perfusion
60 seconds artifact simulation - reduced perfusion using a cuff
SpO2 measurement
Two SpO2 measuring devices are active simultaneously on one hand during measurement.
Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
* severe cardiovascular conditions
* injury to the upper limbs or hands that could affect the peripheral perfusion
* diabetes
* hypotension or hypertension
18 Years
30 Years
ALL
Yes
Sponsors
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Czech Technical University in Prague
OTHER
Responsible Party
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Principal Investigators
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Veronika Rafl Huttova
Role: PRINCIPAL_INVESTIGATOR
Czech Technical University in Prague
Locations
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Faculty of Biomedical Engineering, Czech Technical University in Prague
Kladno, , Czechia
Countries
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Other Identifiers
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POAveragingTime21
Identifier Type: -
Identifier Source: org_study_id
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