The magnetocardiogram
Biophysics Reviews,
Год журнала:
2024,
Номер
5(2)
Опубликована: Май 29, 2024
The
magnetic
field
produced
by
the
heart's
electrical
activity
is
called
magnetocardiogram
(MCG).
first
20
years
of
MCG
research
established
most
concepts,
instrumentation,
and
computational
algorithms
in
field.
Additional
insights
into
fundamental
mechanisms
biomagnetism
were
gained
studying
isolated
hearts
or
even
pieces
cardiac
tissue.
Much
effort
has
gone
calculating
using
computer
models,
including
solving
inverse
problem
deducing
bioelectric
sources
from
biomagnetic
measurements.
Recently,
magnetocardiographic
focused
on
clinical
applications,
driven
part
new
technologies
to
measure
weak
fields.
Язык: Английский
AI-enabled diagnosis and localization of myocardial ischemia and coronary artery stenosis from magnetocardiographic recordings
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Фев. 19, 2025
Early
diagnosis
and
localization
of
myocardial
ischemia
(MS)
coronary
artery
stenosis
(CAS)
play
a
crucial
role
in
the
effective
prevention
management
ischemic
heart
disease
(IHD).
Magnetocardiography
(MCG)
has
emerged
as
promising
approach
for
non-invasive,
non-contact,
high-sensitivity
assessment
cardiac
dysfunction.
This
study
presents
multi-center,
AI-enabled
from
MCG
data.
To
this
end,
we
collected
large-scale
dataset
consisting
2,158
recordings
eight
clinical
centers.
We
then
proposed
multiscale
vision
transformer-based
network
extracting
spatio-temporal
information
multichannel
recordings.
Anatomical
prior
knowledge
irrigated
left
ventricular
regions
was
incorporated
by
carefully
designed
graph
convolutional
(GCN)-based
feature
fusion
module.
The
achieved
an
accuracy
84.7%,
sensitivity
83.8%,
specificity
85.6%
diagnosing
IHD,
average
78.4%
five
MS
regions,
65.3%
three
arteries.
Subsequent
validation
on
independent
268
four
centers
demonstrated
82.3%,
81.3%
77.3%
65.6%
can
be
used
fast
accurate
tool,
boosting
integration
examination
into
routine.
Язык: Английский
An advanced vision of magnetocardiography as an unrivalled method for a more comprehensive non-invasive clinical electrophysiological assessment
American Heart Journal Plus Cardiology Research and Practice,
Год журнала:
2025,
Номер
52, С. 100514 - 100514
Опубликована: Фев. 23, 2025
Язык: Английский