Contactless Vital Signs Measurement

Study Overview
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Brief Summary
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This pilot study will determine the feasibility and effectiveness of implementing video plethysmography (PPG) for contactless vital signs and str5ess index measurements from surgical patients in preoperative care. Our primary objective is to determine the feasibility and validity of using video PPG to collect contactless BP, HR and RR measurements when compared medical-grade instruments. Our secondary objective is to validate the use of video PPG in measuring HRV and stress index when compared to a validated stress questionnaire.

Detailed Description
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The huge impact of the COVID-19 pandemic on global healthcare systems has given rise to an increased need for virtual care. This pilot study will determine the feasibility and effectiveness of implementing video plethysmography (PPG)for contactless vital signs measurements such as blood pressure (BP), heartrate (HR), respiratory rate (RR) and heart rate variability (HRV) from surgical patients in preoperative care. We also aim to validate the use of video PPG in measuring HRV and stress index when compared to a validated stress questionnaire. This study aims to assess how video PPG technology can be implemented in a clinical and telemedicine. If proven to be effective, this technology can be integrated into any smartphone or tablet and will allow users to monitor their vital signs with just a 1.5-minute video.

Official Title
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Video Plethysmography for Contactless Vital Signs Measurement: A Pilot Study

Conditions
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Blood Pressure, Heart Rate, Respiratory Rate, Heart Rate Variability, Stress Index, Vital Signs Monitoring, Vital Signs Monitoring

Intervention / Treatment
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* Device: Video PPG


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: patients undergoing elective ambulatory surgery with general and/or regional anesthesia; 18 years or older; able to comprehend study instructions in English Exclusion Criteria: refusal to consent for the study

Ages Eligible for Study
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Minimum Age: 18 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Contactless vital signs and stress measurement.<br>Contactless vital signs and stress measurement. Eligible participants will agree to have a 1.5-minute facial video recorded using an iPad. Video will be processed through a specialized algorithm to obtain BP, HR, RR, HRV and stress index. measurements. | Device: Video PPG<br>* Contactless vital signs and stress measurement using video PPG technology. An iPad will be used to record a video of the participant's, which can then be converted to vital signs using a specialized algorithm.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Vital signs measurement | Blood pressure will be measured by using both video PPG and standard medical grade blood pressure machine preoperatively | 24 hours | 
| Vital signs measurement | Heart rate will be measured by using both video PPG and standard medical grade blood pressure machine preoperatively.[ | 24 hours | 
| Vital signs measurement | Breathing rate will be measured by using both video PPG and standard medical grade blood pressure machine preoperatively | 24 hours | 
| HRV and stress index pressure | 4. HRV and stress index pressure will be measured by video PPG, stress index will be measured with a validated questionnaire | 24 hours | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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vital signs