Medical Design Briefs - February 2023 - 57

Wearable Belt with Sensors Accurately Measures Heart
Failure 24/7
The device continuously
monitors physiological
parameters in real time.
Florida Atlantic University
Boca Raton, FL
There are about 64 million cases of
heart failure worldwide. According to
the American Heart Association, 6.2
million adults in the United States have
heart failure and that number is estimated
to increase to 8 million by 2030.
Heart failure is a progressive clinical
syndrome characterized by a structural
abnormality of the heart, in which the
heart is unable to pump sufficient
blood to meet the body's requirements.
There are currently two heart failure
monitoring systems available. However,
they are costly and pose risks because
they are surgically implanted under the
skin. Moreover, about half of patients
with heart failure do not need an implantable
device or do not qualify for
the thoracic (area between the neck
and abdomen) monitoring these devices
provide. There is a critical need for
noninvasive solutions to monitor heart
failure progression around the clock.
Researchers from Florida Atlantic
University's College of Engineering
and Computer Science in collaboration
with FAU's Christine E. Lynn College
of Nursing have developed a prototype
of novel wearable device that can continuously
monitor all of the physiological
parameters associated with heart
failure in real time.
The technology is based on sensors
embedded in a lightweight belt conveniently
worn around the waist to monitor
thoracic impedance, electrocardiogram
(ECG), heart rate and motion
activity detection. The system uses different
sensors for sensing these parameters.
Thoracic impedance is a critical
bio-signal to monitor heart failure progression.
Similarly, ECG is a vital
bio-signal to diagnose and predict cardiovascular
diseases. ECG measures
electrical signals through the heart using
a Holter monitor, which is not suitable
for point-of-care use.
For the study, published in Scientific
Reports, researchers tested the wearable
Medical Design Briefs, February 2023
Heart failure is a progressive clinical syndrome characterized by a structural abnormality of the
heart, in which the heart is unable to pump sufficient
(Credit: FAU)
blood
to meet the body's requirements.
The lightweight belt
continuously monitors all of the physiological parameters
failure in real time, 24/7. (Credit: FAU)
device in different conditions including
sitting, standing, lying down and
walking. For each condition, results
were obtained for each of the sensors
sequentially. The physiological paramwww.medicaldesignbriefs.com
eters
selected are significant in determining
heart failure symptoms.
Findings showed that all of sensors
kept track of the changes for all of the
different conditions. The position sen57
associated
with heart

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Medical Design Briefs - February 2023

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Medical Design Briefs - February 2023 - Cov1A
Medical Design Briefs - February 2023 - Cov1B
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