PS 15-24 A REVIEW OF CUFFLESS BLOOD PRESSURE MEASURING DEVICES POTENTIAL FOR USE IN ROUTINE CLINICAL PRACTICE

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Abstract

Objective:

Cuffless blood pressure (BP) measuring devices are increasingly being recognized to measure BP accurately. However, most of these devices using innovative technologies have been tested in small scale studies and lack evidence for clinical use. The objective of this study was to review the availability of cuffless BP devices that meets international standards.

Design and Method:

We reviewed the features, mechanism of action, validity and clinical application of cuffless devices for measuring BP.

Results:

We identified 10 devices, of which 8 meets any international standards, and 2 with successful proof-of-concept clinical study. Most of these devices were wearables. The devices used modified tonometry, volume clamp or pulse wave velocity method to measure BP. Only 3 devices could obtain FDA clearance, 3 with CE approvals, and 4 with AAMI clearance. These cuffless BP devices were able to perform several clinical applications including: records average 24 hours, day and night BP, status and percentage of dipping, every 15 min reading, errors, 24 hour pattern, MAP pattern, BP during surgical procedures to provide valuable information about CO, cardiac pressures and hemodynamic stability, HR variability in graphic form/ normal bands and PWA with different indices. The devices can monitor HR, blood O2 level and BP simultaneously, continuously, and remotely, through an ear-mounted sensor. ECG, HR, SpO2, BP (beat-to-beat basis), Respiration Rate, Skin Temperature and several other clinical measures of interest.

Conclusions:

This paper identified the strengths, weakness for the cuffless devices along with a wish-list that could improve the devices and consider them for potential use in clinical setting and home monitoring.

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