Respiratory Rate Clinical Trial
Official title:
A Quality Assurance Study of Respiratory Rate Measurements on Obese Patients With a Novel Monitoring Technology
NCT number | NCT03306537 |
Other study ID # | PMD-CS-011 |
Secondary ID | |
Status | Completed |
Phase | |
First received | |
Last updated | |
Start date | July 28, 2017 |
Est. completion date | September 7, 2018 |
Verified date | March 2019 |
Source | PMD Solutions |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
The respiratory rate is an important parameter in clinical medicine. It is defined as the
number of breaths per minute. Currently this is measured at the bedside in clinical practice
by counting the breaths, however the gold standard for measuring this vital sign is the
capnograph. For the patient, this involves wearing a tube in their nose and around their ears
while trying to minimise their movement and talking so that the measurements can be taken.
A new respiratory rate monitor, RespiraSense, is non-invasive and measures the respiratory
rate by measuring the displacement between the ribs and abdomen. This research study is
intended to validate that this technology is effective and accurate on people with a bigger
body mass.
Subjects with a BMI > 35 will be invited to participate should they meet all of the
eligibility criteria. If patients agree to participate, following informed consent, subjects
will be monitored for one hour with both the capnograph and RespiraSense measuring at the
same time so their results can be compared
Status | Completed |
Enrollment | 34 |
Est. completion date | September 7, 2018 |
Est. primary completion date | August 7, 2018 |
Accepts healthy volunteers | No |
Gender | All |
Age group | N/A to 18 Years |
Eligibility |
Inclusion Criteria: - = 18 Years - Have a BMI =35 - For the sub-group analysis at least 5 subjects with a BMI 35-49 and at least 5 BMI > 50 will be needed - Are willing to voluntarily sign a statement of informed consent to participate in this investigation Exclusion Criteria: - Allergic to medical grade skin adhesive - Continuous oral long term steroid use. To be free from oral steroid use this is defined as not using oral steroids in the 4 weeks previous to enrolment - Patients under the influence of substance abuse (drug or alcohol) that may interfere with their ability to cooperate and comply with the investigation procedures - Any disorder, including cognitive dysfunction, which would affect the ability to accurately complete questionnaires and freely give full informed consent |
Country | Name | City | State |
---|---|---|---|
United Kingdom | Queen Alexandra Hospital | Portsmouth |
Lead Sponsor | Collaborator |
---|---|
PMD Solutions |
United Kingdom,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Exploratory: To measure RespiraSense device alarm generation and assess the rationale behind these to determine if false alarms and therefore alarm fatigue is occurring | Will not be analysed formally. | 1 hour | |
Primary | Comparison of PMD RespiraSense against capnography in obese patients. | Analysed using a Bland Altman (BA) analysis to measure limits of agreement between both methods. The BA analysis will correct for repeated measures within each subject if required. In addition, a Deming Regression will be performed on the collected data. | 1 hour | |
Secondary | Comparison of PMD RespiraSense in obese patients with BMI below 50 and those with BMI of 50 or above. | Analysed using a Bland Altman (BA) analysis to measure limits of agreement between both methods. The BA analysis will correct for repeated measures within each subject if required. In addition, a Deming Regression will be performed on the collected data. | 1 hour | |
Secondary | Identification of any accuracy spread patterns as BMI increases. | Analysed using a Bland Altman (BA) analysis to measure limits of agreement between both methods. The BA analysis will correct for repeated measures within each subject if required. In addition, a Deming Regression will be performed on the collected data. | 1 hour | |
Secondary | Collection of feedback on device comfort when worn by patients with high BMI. | Will not be analysed formally. | 1 hour |
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