Blood Pressure Clinical Trial
Official title:
Arm 1: Optical Blood Pressure Monitoring (OptiBP Mobile App), An Accurate Blood Pressure Measurement Compared to Invasive Blood Pressure Measurement. Arm 2 and Arm 3: Improvement and Validation of the Smartphone Blood Pressure Measurement (OptiBP Mobile App). A Prospective, Method Comparison, Proof of Concept Study in a Swiss Population.
Validation of an existing algorithm designed to estimate blood pressure based on collected optical signals on patients against two reference methods, which are the arterial catheter (arm 1) and the ausculatory sphygmomanometer (arm 2).
The purpose of the study is to compare the blood pressure values measured by a mobile
application used with a smartphone and the values measured by reference equipments, which are
the arterial line and the ausculatory sphygmomanometer .
In the arm 1 of the study, patients scheduled for general anesthesia at the Centre
Hospitalier Universitaire Vaudois (CHUV) and at the Hôpitaux Universitaire de Genève (HUG)
will be recruited and their pressure will be measured with both mesurement methods. General
anesthesia is known to generate significant variations in blood pressure at the time of
induction. During the first minutes of anesthesia, the patient's blood pressure will be
measured in parallel with the mobile application and with the reference equipment. After the
intervention, the values obtained by the two methods will be compared to confirm the
reliability of the data obtained with the mobile application.
In the arm 2, patients scheduled for a medical appointment at the hypertension unit of the
Centre Hospitalier Universitaire Vaudois (CHUV) will be recruited. Their pressure will be
measured with the mobile application and with the reference equipment at various time points.
After the intervention, the values obtained by the two methods will be compared to confirm
the reliability of the data obtained with the mobile application.
In the arm 3, patients scheduled for a medical appointment at the maternity unit of the
Centre Hospitalier Universitaire Vaudois (CHUV) will be recruited. Their pressure will be
measured with the mobile application and with the reference equipment at various time points.
After the intervention, the values obtained by the two methods will be compared to confirm
the reliability of the data obtained with the mobile application.
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