Contact-free sensor signals as a new digital biomarker for cardiovascular disease: chances and challenges

Saner, Hugo Ernst; Knobel, Samuel Elia Johannes; Schuetz, Narayan; Nef, Tobias (2020). Contact-free sensor signals as a new digital biomarker for cardiovascular disease: chances and challenges. European heart journal - Digital health, 1(1), pp. 30-39. Oxford University Press 10.1093/ehjdh/ztaa006

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Multiple sensor systems are used to monitor physiological parameters, activities of daily living and behaviour. Digital biomarkers can be extracted and used as indicators for health and disease. Signal acquisition is either by object sensors, wearable sensors, or contact-free sensors including cameras, pressure sensors, non-contact capacitively coupled electrocardiogram (cECG), radar, and passive infrared motion sensors. This review summarizes contemporary knowledge of the use of contact-free sensors for patients with cardiovascular disease and healthy subjects following the PRISMA declaration. Chances and challenges are discussed. Thirty-six publications were rated to be of medium (31) or high (5) relevance. Results are best for monitoring of heart rate and heart rate variability using cardiac vibration, facial camera, or cECG; for respiration using cardiac vibration, cECG, or camera; and for sleep using ballistocardiography. Early results from radar sensors to monitor vital signs are promising. Contact-free sensors are little invasive, well accepted and suitable for long-term monitoring in particular in patient’s homes. A major problem are motion artefacts. Results from long-term use in larger patient cohorts are still lacking, but the technology is about to emerge the market and we can expect to see more clinical results in the near future.

Item Type:

Journal Article (Review Article)

Division/Institute:

04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Neurology
04 Faculty of Medicine > Department of Cardiovascular Disorders (DHGE) > Clinic of Cardiology
10 Strategic Research Centers > ARTORG Center for Biomedical Engineering Research
10 Strategic Research Centers > ARTORG Center for Biomedical Engineering Research > ARTORG Center - Gerontechnology and Rehabilitation

UniBE Contributor:

Saner, Hugo Ernst; Knobel, Samuel Elia Johannes; Schütz, Narayan and Nef, Tobias

Subjects:

600 Technology > 610 Medicine & health
500 Science > 570 Life sciences; biology

ISSN:

2634-3916

Publisher:

Oxford University Press

Language:

English

Submitter:

Angela Amira Botros

Date Deposited:

27 Jan 2021 14:03

Last Modified:

27 Jan 2021 14:03

Publisher DOI:

10.1093/ehjdh/ztaa006

BORIS DOI:

10.48350/150598

URI:

https://boris.unibe.ch/id/eprint/150598

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