A multi-point heart rate monitoring using a soft wearable system based on fiber optic technology

Early diagnosis can be crucial to limit both the mortality and economic burden of cardiovascular diseases. Recent developments have focused on the continuous monitoring of cardiac activity for a prompt diagnosis. Nowadays, wearable devices are gaining broad interest for a continuous monitoring of th...

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Bibliographic Details
Published in:Scientific reports 2021-10, Vol.11 (1), p.21162-21162, Article 21162
Main Authors: Lo Presti, Daniela, Santucci, Francesca, Massaroni, Carlo, Formica, Domenico, Setola, Roberto, Schena, Emiliano
Format: Article
Language:English
Subjects:
639/166/985
639/624/1075/1083
Cardiovascular diseases
Diagnosis
Embedding
Fiber Optic Technology - instrumentation
Fiber Optic Technology - methods
Heart rate
Heart Rate Determination - instrumentation
Heart Rate Determination - methods
Hemodynamic Monitoring - instrumentation
Hemodynamic Monitoring - methods
Humanities and Social Sciences
Humans
multidisciplinary
Polymers
Science
Science (multidisciplinary)
Sensors
Thorax
Vibrations
Wearable Electronic Devices - standards
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Summary:Early diagnosis can be crucial to limit both the mortality and economic burden of cardiovascular diseases. Recent developments have focused on the continuous monitoring of cardiac activity for a prompt diagnosis. Nowadays, wearable devices are gaining broad interest for a continuous monitoring of the heart rate (HR). One of the most promising methods to estimate HR is the seismocardiography (SCG) which allows to record the thoracic vibrations with high non-invasiveness in out-of-laboratory settings. Despite significant progress on SCG, the current state-of-the-art lacks both information on standardized sensor positioning and optimization of wearables design. Here, we introduce a soft wearable system (SWS), whose novel design, based on a soft polymer matrix embedding an array of fiber Bragg gratings, provides a good adhesion to the body and enables the simultaneous recording of SCG signals from multiple measuring sites. The feasibility assessment on healthy volunteers revealed that the SWS is a suitable wearable solution for HR monitoring and its performance in HR estimation is strongly influenced by sensor positioning and improved by a multi-sensor configuration. These promising characteristics open the possibility of using the SWS in monitoring patients with cardiac pathologies in clinical (e.g., during cardiac magnetic resonance procedures) and everyday life settings.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-021-00574-2