Progress in Retinal and Eye Research,
Год журнала:
2024,
Номер
103, С. 101292 - 101292
Опубликована: Авг. 30, 2024
Optical
coherence
tomography
angiography
(OCTA)
has
transformed
ocular
vascular
imaging,
revealing
microvascular
changes
linked
to
various
systemic
diseases.
This
review
explores
its
applications
in
diabetes,
hypertension,
cardiovascular
diseases,
and
neurodegenerative
While
OCTA
provides
a
valuable
window
into
the
body's
microvasculature,
interpreting
findings
can
be
complex.
Additionally,
challenges
exist
due
relative
non-specificity
of
where
observed
might
not
unique
specific
disease,
variations
between
machines,
lack
standardized
normative
database
for
comparison,
potential
image
artifacts.
Despite
these
limitations,
holds
immense
future.
The
highlights
promising
advancements
like
quantitative
analysis
images,
integration
artificial
intelligence
faster
more
accurate
interpretation,
multi-modal
imaging
combining
with
other
techniques
comprehensive
characterization
vasculature.
Furthermore,
OCTA's
future
role
personalized
medicine,
enabling
tailored
treatment
plans
based
on
individual
findings,
community
screening
programs
early
disease
detection,
longitudinal
studies
tracking
progression
over
time
is
also
discussed.
In
conclusion,
presents
significant
opportunity
improve
our
understanding
management
Addressing
current
limitations
pursuing
exciting
directions
solidify
as
an
indispensable
tool
diagnosis,
monitoring
progression,
potentially
guiding
decisions
across
health
conditions.
Biomedicines,
Год журнала:
2024,
Номер
12(9), С. 2150 - 2150
Опубликована: Сен. 23, 2024
Cardiovascular
diseases
(CVDs)
are
a
major
cause
of
mortality
globally,
emphasizing
the
need
for
early
detection
and
effective
risk
assessment
to
improve
patient
outcomes.
Advances
in
oculomics,
which
utilize
relationship
between
retinal
microvascular
changes
systemic
vascular
health,
offer
promising
non-invasive
approach
assessing
CVD
risk.
Retinal
fundus
imaging
optical
coherence
tomography/angiography
(OCT/OCTA)
provides
critical
information
diagnosis,
with
parameters
such
as
vessel
caliber,
tortuosity,
branching
patterns
identified
key
biomarkers.
Given
large
volume
data
generated
during
routine
eye
exams,
there
is
growing
automated
tools
aid
diagnosis
prediction.
The
study
demonstrates
that
AI-driven
analysis
images
can
accurately
predict
cardiovascular
factors,
events,
metabolic
diseases,
surpassing
traditional
diagnostic
methods
some
cases.
These
models
achieved
area
under
curve
(AUC)
values
ranging
from
0.71
0.87,
sensitivity
71%
89%,
specificity
40%
70%,
This
highlights
potential
component
personalized
medicine,
enabling
more
precise
earlier
intervention.
It
not
only
aids
detecting
abnormalities
may
precede
events
but
also
offers
scalable,
non-invasive,
cost-effective
solution
widespread
screening.
However,
article
emphasizes
further
research
standardize
protocols
validate
clinical
utility
these
biomarkers
across
different
populations.
By
integrating
oculomics
into
practice,
healthcare
providers
could
significantly
enhance
management
ultimately
improving
Fundus
image
thus
represents
valuable
tool
future
precision
medicine
health
management.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Фев. 24, 2024
Abstract
Myocardial
infarction
is
defined
as
a
sudden
decrease
or
interruption
in
blood
flow
to
the
coronary
arteries,
causing
ischemic
necrosis
of
corresponding
cardiomyocytes.
It
unclear
whether
systemic
macrovascular
alterations
are
associated
with
retinal
microvascular
changes.
This
study
utilized
optical
coherence
tomography
angiography
(OCTA)
compare
variations
conjunctival
vascular
density
and
fundus
vessel
between
patients
myocardial
(MI)
healthy
controls.
recruited
16
(32
eyes)
MI
controls
eyes).
The
superficial
layer
(SRL),
deep
(DRL)
capillary
plexus
each
eye
were
evaluated
by
OCTA.
Parameters
measured
included
temporal
capillary,
(MIR)
(MAR)
total
MIR
(TMI).
region
was
hemisphere
segmentation
(SR,
SL,
IL,
IR),
annular
partition
(C1,
C2,
C3,
C4,
C5
C6),
modified
early
treatment
diabetic
retinopathy
(R,
S,
L,
I)
methods.
In
macular
area,
densities
displayed
notable
variations.
layers,
TMI,
MIR,
MAR,
well
C1,
C6
regions,
significantly
lower
(p
<
0.05
each).
TMI),
C2
regions
contrast,
higher
than
0.001).
layers
conjunctiva
differ
OCTA
effective
detecting
changes
ocular
microcirculation.
Life,
Год журнала:
2024,
Номер
14(4), С. 448 - 448
Опубликована: Март 28, 2024
Background:
Retinal
microvascular
anomalies
have
been
identified
in
patients
with
cardiovascular
conditions
such
as
arterial
hypertension,
diabetes
mellitus,
and
carotid
artery
disease.
We
conducted
a
systematic
review
meta-analysis
(PROSPERO
registration
number
CRD42024506589)
to
explore
the
potential
of
retinal
vasculature
biomarker
for
diagnosis
monitoring
coronary
disease
(CAD)
through
optical
coherence
tomography
(OCT)
angiography
(OCTA).
Methods:
systematically
examined
original
articles
Pubmed,
Embase,
Web
Science
databases
from
their
inception
up
November
2023,
comparing
features
between
CAD
control
groups.
Studies
were
included
if
they
reported
sample
mean
standard
deviation
or
median
range
and/or
interquartile
(which
computed
into
deviation).
Review
Manager
5.4
(The
Cochrane
Collaboration,
2020)
software
was
used
calculate
pooled
effect
size
weighted
difference
95%
confidence
intervals
(CI)
by
random-effects
inverse
variance
method.
Results:
Eleven
studies
meeting
inclusion
criteria
incorporated
meta-analysis.
The
findings
indicated
significant
decrease
nerve
fiber
layer
(WMD
−3.11
[−6.06,
−0.16]),
subfoveal
choroid
−58.79
[−64.65,
−52.93]),
overall
thickness
−4.61
[−7.05,
−2.17])
among
compared
controls
(p
<
0.05).
Furthermore,
vascular
macular
density
notably
lower
patients,
particularly
superficial
capillary
plexus
(foveal
vessel
WMD
−2.19
[−3.02,
−1.135],
p
0.0001).
Additionally,
foveal
avascular
zone
area
statistically
larger
group
52.73
[8.79,
96.67],
=
0.02).
Heterogeneity
(I2
>
50%)
most
except
thickness,
retina
density.
Conclusion:
current
suggests
that
vascularization
could
function
noninvasive
biomarker,
providing
additional
insights
beyond
routine
examinations
assessing
dysfunction
arteries.
Journal of Clinical Medicine,
Год журнала:
2024,
Номер
13(3), С. 829 - 829
Опубликована: Янв. 31, 2024
Alterations
in
microvasculature
represent
some
of
the
earliest
pathological
processes
across
a
wide
variety
human
diseases.
In
many
organs,
however,
inaccessibility
and
difficulty
directly
imaging
tissues
prevent
assessment
microvascular
changes,
thereby
significantly
limiting
their
translation
into
improved
patient
care.
The
eye
provides
unique
solution
by
allowing
for
non-invasive
direct
visualization
quantification
aspects
microvasculature,
including
biomarkers
structure,
function,
hemodynamics,
metabolism.
Optical
coherence
tomography
angiography
(OCTA)
studies
have
specifically
identified
reduced
capillary
densities
at
level
retina
several
diseases
glaucoma.
This
narrative
review
examines
published
data
related
to
OCTA-assessed
major
systemic
cardiovascular
disease.
While
loss
capillaries
is
being
established
various
ocular
disease,
pilot
suggest
that
changes
retinal
especially
within
macula,
may
also
reflect
small
vessel
damage
occurring
other
organs
resulting
from
Current
evidence
suggests
as
potential
indicators
diseases,
arterial
hypertension,
atherosclerotic
congestive
heart
failure.
American Heart Journal Plus Cardiology Research and Practice,
Год журнала:
2025,
Номер
51, С. 100502 - 100502
Опубликована: Янв. 30, 2025
To
compare
retinal
microvascular
density
among
women
with
ischemia
no
obstructive
coronary
artery
disease
(INOCA)
and
without
dysfunction
(CMD).
Cross-sectional
study.
Patients
myocardial
INOCA
often
have
CMD,
possibly
indicating
systemic
vascular
dysfunction.
While
microvasculature
relates
to
many
cardiovascular
risk
factors,
its
link
CMD
remains
unknown.
Women
(N
=
18)
function
testing
were
enrolled
classified
into
non-CMD
groups,
defined
as
flow
reserve
(CFR)
<2.5
in
response
adenosine.
Participants
underwent
optical
coherence
tomography
angiography
for
noninvasive
imaging
of
the
microvasculature.
Vessel
density,
perfusion
area,
perimeter,
circularity
foveal
avascular
zone
(FAZ).
Non-parametric
statistics
used
comparisons.
Mean
age
was
54.7
(SD
12.5)
years.
The
11)
7)
groups
balanced
respect
age,
BMI,
diseases
including
diabetes,
hypertension,
hyperlipidemia,
medications.
Those
had
a
lower
vessel
[20.9
(0.7)
vs
21.6(0.8),
p
0.006]
inner
[38.5
(1.6)
41.2
(0.8),
compared
those
CMD.
There
differences
FAZ
or
circularity.
In
this
study
INOCA,
showed
densities
than
Direct,
non-invasive
is
feasible,
affordable,
may
reflect
patients.
A
larger
study,
men,
needed
confirm
these
findings.
We
conducted
a
systematic
review
and
meta-analysis
to
assess
the
association
between
optical
coherence
tomography
angiography
(OCTA)
parameters
acute
coronary
syndrome
(ACS).
Two
independent
reviewers
searched
electronic
databases
(MEDLINE
(Medical
Literature
Analysis
Retrieval
System
Online),
Scopus,
Embase
(Excerpta
Medica
Database),
Cochrane
Library,
ClinicalTrials.gov,
World
Health
Organization
International
Clinical
Trials
Registry
Platform)
from
inception
until
April
2023.
According
inclusion
criteria
of
this
review,
eligible
were
observational
studies,
randomized
control
trials,
registry/database
studies
that
included
eyes
adult
ACS
patients
assessed
OCTA
within
macula.
The
pooled
standardized
mean
differences
(SMD)
diagnosed
with
healthy
controls
confidence
interval
(CI)
95%
calculated
using
Hartung-Knapp-Sidik-Jonkman
random-effects
method.
heterogeneity
was
by
I2
Cochran
Q
random
effects
model
applied.
Seven
in
our
(n
=
898),
which
three
341).
SMD
superficial
vascular
plexus
(SVP),
deep
(DVP),
foveal
avascular
zone
(FAZ)
-0.46
(95%
CI:
-0.94
0.01,
p
0.05,
0%,
studies),
-0.10
-3.20
3.00,
0.75,
67%,
two
0.43
-1.22
2.09,
0.38,
92%,
respectively.
Our
findings
suggest
there
are
no
metrics
individuals.