The Accuracy of Wearable Photoplethysmography Sensors for Telehealth Monitoring: A Scoping Review

Oct 26, 2022Telemedicine journal and e-health : the official journal of the American Telemedicine Association

How Accurate Are Wearable Heart Rate Sensors for Remote Health Monitoring

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Abstract

A total of 28 studies evaluating wearable PPG sensors for health monitoring were included in this review.

The review focuses on the accuracy of PPG sensors in monitoring health parameters in both real-world and clinical settings.
Health parameters assessed include heart rate, heart rate variability, atrial fibrillation, blood pressure, obstructive sleep apnea, blood glucose, heart failure, and respiratory rate.
Barriers to assessing accuracy include a lack of standard accuracy metrics and limited studies with large participant sizes, particularly for blood pressure monitoring.
The review highlights the urgency to evaluate the effectiveness of PPG sensors due to their increased usage during the COVID-19 pandemic.

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Photoplethysmography (PPG) sensors have been increasingly used for remote patient monitoring, especially during the COVID-19 pandemic, for the management of chronic diseases and neurological disorders. There is an urgent need to evaluate the accuracy of these devices. This scoping review considers the latest applications of wearable PPG sensors with a focus on studies that used wearable PPG sensors to monitor various health parameters. The primary objective is to report the accuracy of the PPG sensors in both real-world and clinical settings.This scoping review was conducted in accordance with Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA). Studies were identified by querying the Medline, Embase, IEEE, and CINAHL databases. The goal was to capture eligible studies that used PPG sensors to monitor various health parameters for populations with a minimum of 30 participants, with at least some of the population having relevant health issues. A total of 2,996 articles were screened and 28 are included in this review.The health parameters and disorders identified and investigated in this study include heart rate and heart rate variability, atrial fibrillation, blood pressure (BP), obstructive sleep apnea, blood glucose, heart failure, and respiratory rate. An overview of the algorithms used, and their limitations is provided.Some of the barriers identified in evaluating the accuracy of multiple types of wearable devices include the absence of reporting standard accuracy metrics and a general paucity of studies with large subject size in real-world settings, especially for parameters such as BP. Background and Objectives: Methods: Results: Conclusion:

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The Accuracy of Wearable Photoplethysmography Sensors for Telehealth Monitoring: A Scoping Review

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