Oximetry
Conditions
Brief summary
The primary aim of this research is to determine the accuracy of smartphone pulse oximeters in detecting blood oxygen saturations, episodes of desaturations, and heart rate by comparing results to a Masimo© hospital-grade pulse oximeter.
Interventions
DEVICEiPhone with Kenek Edge and Samsung S8
Smartphones with pulse oximetry and heart rate monitoring capabilities
Sponsors
Rush University Medical Center
Study design
Observational model
COHORT
Time perspective
PROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Inclusion criteria
* Ambulatory * 18 years and older * Visiting the pulmonary function laboratory at Rush University Medical Center for a 6-minute walk test that agree to participate.
Exclusion criteria
* Under the age of 18 years * High blood pressure above 180/90 mm Hg or pressure below 70/50 mm Hg * Dizzy, lightheaded or have severe headaches at time of enrollment * SpO2 at or below 85% on supplemental oxygen * On oxygen greater than 4 liters per minute * Gait issues that may result in a fall or patient walks with a walker and did not bring the device to this visit
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Accuracy of Smartphone Pulse Oximeters | immediately after the 6 minute walk test | Accuracy of smartphone pulse oximeter after 6 minute walk Posttest SpO2 % |
Countries
United States
Participant flow
Pre-assignment details
All 47 subjects that started the study, completed the study
Participants by arm
| Arm | Count |
|---|---|
| Six Minute Walk Group Patients undergoing a six minute walk | 47 |
| Total | 47 |
Baseline characteristics
| Characteristic | Six Minute Walk Group |
|---|---|
| Age | 69 years |
| Age, Customized Age >=18 years | 47 years |
| Race/Ethnicity, Customized Asian | NA participants |
| Race/Ethnicity, Customized Black/African American | NA participants |
| Race/Ethnicity, Customized Hispanic/Latinx | NA participants |
| Race/Ethnicity, Customized White/Caucasian | NA participants |
| Region of Enrollment United States | 47 participants |
| Sex: Female, Male Female | 36 Participants |
| Sex: Female, Male Male | 11 Participants |
Adverse events
| Event type | EG000 affected / at risk |
|---|---|
| deaths Total, all-cause mortality | 0 / 47 |
| other Total, other adverse events | 0 / 47 |
| serious Total, serious adverse events | 0 / 47 |
Outcome results
Primary
Accuracy of Smartphone Pulse Oximeters
Accuracy of smartphone pulse oximeter after 6 minute walk Posttest SpO2 %
Time frame: immediately after the 6 minute walk test
Population: all participants
| Arm | Measure | Value (MEDIAN) |
|---|---|---|
| All Subjects | Accuracy of Smartphone Pulse Oximeters | 98 percentage of oxygen saturation |