Japanese Journal of Radiology,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 28, 2024
Abstract
Objectives
This
study
evaluates
the
effectiveness
of
machine
learning
(ML)
models
that
incorporate
clinical
and
2-deoxy-2-[
18
F]fluoro-D-glucose
([
F]-FDG)-positron
emission
tomography
(PET)-radiomic
features
for
predicting
outcomes
in
gallbladder
cancer
patients.
Materials
methods
The
analyzed
52
patients
who
underwent
pre-treatment
[
F]-FDG-PET/CT
scans
between
January
2011
December
2021.
Twenty-seven
were
assigned
to
training
cohort
2018,
data
randomly
split
into
(70%)
validation
(30%)
sets.
independent
test
consisted
25
February
2018
Eight
(T
stage,
N
M
Union
International
Cancer
Control
[UICC]
histology,
tumor
size,
carcinoembryonic
antigen
level,
carbohydrate
19-9
level)
49
radiomic
used
forecast
progression-free
survival
(PFS).
Three
feature
selection
applied
including
univariate
statistical
method,
least
absolute
shrinkage
operator
Cox
regression
method
recursive
elimination
two
ML
algorithms
(Cox
proportional
hazard
random
forest
[RSF])
employed.
Predictive
performance
was
assessed
using
concordance
index
(C-index).
Results
Two
variables
(UICC
stage)
three
(total
lesion
glycolysis,
grey-level
size-zone
matrix_grey
level
non-uniformity
run-length
matrix_run-length
non-uniformity)
identified
by
as
significant
PFS
prediction.
RSF
model
incorporating
these
demonstrated
strong
predictive
performance,
with
C-indices
above
0.80
both
testing
sets
(training
0.81,
0.89).
almost
closely
matched
actual
predicted
progression
timelines
a
low
mean
error
1.435,
median
0.082,
root
square
2.359.
Conclusion
highlights
potential
approaches
F]-FDG-PET
prognosis
cancer.
Binary
classification
is
a
common
task
for
which
machine
learning
and
computational
statistics
are
used,
the
area
under
receiver
operating
characteristic
curve
(ROC
AUC)
has
become
standard
metric
to
evaluate
binary
classifications
in
most
scientific
fields.
The
ROC
true
positive
rate
(also
called
sensitivity
or
recall)
on
y
axis
false
x
axis,
AUC
can
range
from
0
(worst
result)
1
(perfect
result).
AUC,
however,
several
flaws
drawbacks.
This
score
generated
including
predictions
that
obtained
insufficient
specificity,
moreover
it
does
not
say
anything
about
predictive
value
known
as
precision)
nor
negative
(NPV)
by
classifier,
therefore
potentially
generating
inflated
overoptimistic
results.
Since
include
alone
without
precision
value,
researcher
might
erroneously
conclude
their
was
successful.
Furthermore,
given
point
space
identify
single
confusion
matrix
group
of
matrices
sharing
same
MCC
value.
Indeed,
(sensitivity,
specificity)
pair
cover
broad
range,
casts
doubts
reliability
performance
measure.
In
contrast,
Matthews
correlation
coefficient
(MCC)
generates
high
its
[Formula:
see
text]
interval
only
if
classifier
scored
all
four
basic
rates
matrix:
sensitivity,
precision,
A
(for
example,
0.9),
moreover,
always
corresponds
vice
versa.
this
short
study,
we
explain
why
should
replace
statistic
studies
involving
classification,
PLoS Computational Biology,
Год журнала:
2023,
Номер
19(7), С. e1011224 - e1011224
Опубликована: Июль 6, 2023
Data
are
the
most
important
elements
of
bioinformatics:
Computational
analysis
bioinformatics
data,
in
fact,
can
help
researchers
infer
new
knowledge
about
biology,
chemistry,
biophysics,
and
sometimes
even
medicine,
influencing
treatments
therapies
for
patients.
Bioinformatics
high-throughput
biological
data
coming
from
different
sources
be
more
helpful,
because
each
these
chunks
provide
alternative,
complementary
information
a
specific
phenomenon,
similar
to
multiple
photos
same
subject
taken
angles.
In
this
context,
integration
gets
pivotal
role
running
successful
study.
last
decades,
originating
proteomics,
metabolomics,
metagenomics,
phenomics,
transcriptomics,
epigenomics
have
been
labelled
-omics
as
unique
name
refer
them,
omics
has
gained
importance
all
areas.
Even
if
is
useful
relevant,
due
its
heterogeneity,
it
not
uncommon
make
mistakes
during
phases.
We
therefore
decided
present
ten
quick
tips
perform
an
correctly,
avoiding
common
we
experienced
or
noticed
published
studies
past.
designed
our
guidelines
beginners,
by
using
simple
language
that
(we
hope)
understood
anyone,
believe
recommendations
should
into
account
bioinformaticians
performing
integration,
including
experts.
PeerJ Computer Science,
Год журнала:
2024,
Номер
10, С. e2295 - e2295
Опубликована: Сен. 3, 2024
The
electrocardiogram
(ECG)
is
a
powerful
tool
to
measure
the
electrical
activity
of
heart,
and
analysis
its
data
can
be
useful
assess
patient's
health.
In
particular,
computational
data,
also
called
ECG
signal
processing,
reveal
specific
patterns
or
heart
cycle
trends
which
otherwise
would
unnoticeable
by
medical
experts.
When
performing
however,
it
easy
make
mistakes
generate
inflated,
overoptimistic,
misleading
results,
lead
wrong
diagnoses
prognoses
and,
in
turn,
could
even
contribute
bad
decisions,
damaging
health
patient.
Therefore,
avoid
common
practices,
we
present
here
ten
guidelines
follow
when
analyzing
computationally.
Our
recommendations,
written
simple
way,
anyone
study
based
on
eventually
better,
more
robust
results.
PLoS ONE,
Год журнала:
2023,
Номер
18(10), С. e0293560 - e0293560
Опубликована: Окт. 27, 2023
Cardiovascular
diseases
related
to
the
right
side
of
heart,
such
as
Pulmonary
Hypertension,
are
some
leading
causes
death
among
Mexican
(and
worldwide)
population.
To
avoid
invasive
techniques
catheterizing
improving
segmenting
performance
medical
echocardiographic
systems
can
be
an
option
early
detect
right-side
heart.
While
current
imaging
perform
well
automatically
left
they
typically
struggle
cavities.
This
paper
presents
a
robust
cardiac
segmentation
algorithm
based
on
popular
U-NET
architecture
capable
accurately
four
cavities
with
reduced
training
dataset.
Moreover,
we
propose
two
additional
steps
improve
quality
results
in
our
machine
learning
model,
1)
detecting
cone
shapes
(as
it
has
been
trained
and
refined
multiple
data
sources)
2)
post-processing
step
which
refines
shape
contours
heuristics
provided
by
clinicians.
Our
demonstrate
that
proposed
achieve
accuracy
comparable
state-of-the-art
methods
datasets
commonly
used
for
this
practice,
compiled
team.
Furthermore,
tested
validity
correction
within
same
sequence
images
demonstrated
its
consistency
manual
segmentations
performed
The
surging
use
of
medical
AI
algorithms
and
their
hardware
integration
is
transforming
healthcare
by
improving
non-invasive
analysis
with
early
disease
detection,
advanced
segmentation,
classification.
However,
realizing
comprehensive
accurate
through
efficient
AI-based
tools
necessitates
a
fundamental
requirement
—
extensive
multimodal
data
for
training
deep
learning
models.
Handling
this
volume
demands
significant
resources,
including
multi-node
training,
to
address
the
substantial
computational
requirements
essential
accelerating
model
development.
Hence,
challenge
two-fold:
Achieving
high
accuracy
while
upholding
computationally
inexpensive
solution.
To
navigate
challenge,
we
propose
novel
solution:
lightweight
predictive
tool
image
classification
developed
combining
Radiomics-based
Random
Forest
MobileViT
transformer,
tailored
mobile
applications.
This
approach
ensures
enhanced
reproducibility
along
flexibility.
Our
proposed
method
exemplified
its
superior
performance
in
BraTS2021
surpassing
current
state-of-the-art
models
best
AUROC
0.64
0.63
on
both
public
private
test
datasets
respectively.
success
our
highlights
potential
hybrid
diverse
applications
beyond
European Journal of Medical and Health Research,
Год журнала:
2024,
Номер
2(1), С. 83 - 90
Опубликована: Янв. 1, 2024
Bioinformatics
is
a
new
speciality
that
focuses
on
using
information
science
to
solve
biological
problems.
It
deals
with
the
collecting,
storing,
retrieving
and
analysing
data
from
databases.
has
supported
promoted
research
in
field
of
healthcare
taken
it
next
level.
can
encourage
dentistry
by
understanding
underlying
pathways
mechanisms
certain
oral
diseases.
also
help
early
prediction
personalized
treatment
cancer
may
prove
beneficial
detection
accurate
cancer.
supports
developing
patient
care
databases,
image
analysis
X-
rays,
CT
MRI.
Diagnostic
abilities
will
multiple
databases
management.
Salivanomics
sub-speciality
bioinformatics
dealing
saliva
knowledge
base
enabling
global
exploration
relevant
saliva.
Incorporation
AI
machine
learning
lead
immense
positive
outcomes
personalised
medicine
gene
therapy.
This
review
understand
tools
used
its
role
dentistry.
Background
Congenital
heart
disease
(CHD)
is
a
structural
deformity
of
the
present
at
birth.
Pulmonary
hypertension
(PH)
may
arise
from
increased
blood
flow
to
lungs,
persistent
pulmonary
arterial
pressure
elevation,
or
use
cardiopulmonary
bypass
(CPB)
during
surgical
repair.
Inhaled
nitric
oxide
(iNO)
selectively
reduces
high
in
vessels
without
lowering
systemic
pressure,
making
it
useful
for
treating
children
with
postoperative
PH
due
disease.
However,
reducing
stopping
iNO
can
exacerbate
and
hypoxemia,
necessitating
long-term
administration
careful
tapering.
This
study
aimed
evaluate,
using
machine
learning
(ML),
factors
that
predict
need
after
open
surgery
CHD
patients
ICU,
primarily
management.
Methods
We
used
an
ML
approach
establish
algorithm
'patients
iNO'
validate
its
accuracy
34
pediatric
who
survived
were
discharged
ICU
Kagoshima
University
Hospital
between
April
2016
March
2019.
All
started
on
therapy
upon
admission.
Overall,
16
features
reflecting
patient
characteristics
utilized
needed
over
168
hours
analysis
AutoGluon.
The
dataset
was
randomly
classified
into
training
test
cohorts,
comprising
80%
20%
data,
respectively.
In
cohort,
model
constructed
important
selected
by
decrease
Gini
impurity
synthetic
oversampling
technique.
testing
prediction
performance
evaluated
calculating
area
under
receiver
operating
curve
(AUC)
accuracy.
Results
Among
28
five
hours;
among
six
one
hours.
CPB,
aortic
clamp
time,
in-out
balance,
lactate
four
most
predicting
achieved
perfect
classification
AUC
1.00.
also
1.00
Conclusion
identified
(CPB,
cross-clamp
lactate)
are
strongly
associated
patients.
By
understanding
outcomes
this
study,
we
more
effectively
manage
PH,
potentially
preventing
recurrence
thereby
contributing
safer