Narrowings of the Deep Cerebral Perforating Arteries Ostia: Geometry, Structure, and Clinical Implications
Journal of Stroke,
Journal Year:
2025,
Volume and Issue:
27(1), P. 52 - 64
Published: Jan. 31, 2025
The
pathogenesis
of
neurovascular
diseases
and
various
types
dementia
is
tightly
connected
to
cerebral
circulation.
An
area
that
requires
further
exploration
the
system
deep
perforating
arteries-arteries
branching
directly
from
high-pressure
intracranial
arteries,
supplying
vital
neural
structures
such
as
internal
capsule,
characterized
by
a
diameter
well
below
1
mm,
which
makes
them
difficult
visualize
with
standard
radiological
examinations.
This
study
aimed
analyze
morphology
perforator
origins,
constitute
connection
points
between
arteries
microcirculation.
Twenty-three
human
basal
ganglia
specimens
middle
artery
(MCA,
including
172
arteries)
ten
brainstem
basilar
(BA,
162
were
prepared
scanned
using
microcomputed
tomography.
geometry
structure
analyzed
images
additional
histological
studies.
ostia
ellipsoidal
in
shape
median
stenosis
severity
23%
20%
for
MCA
BA
perforators,
respectively.
local
narrowing
was
typical
neointimal
hyperplasia.
Statistical
analysis
revealed
may
be
related
age
cardiovascular
health.
Origins
perforators
are
locally
narrowed
hyperplasia,
protective
mechanism
adjust
high
blood
pressure
narrowings
lead
chronic
hypoperfusion
play
role
pathophysiology
small
vessel
disease.
Language: Английский
Analysis of CT characteristics and prognostic factors in non-hypertensive cerebral hemorrhage
Sai Liang,
No information about this author
Qin Yan,
No information about this author
Wei Lu
No information about this author
et al.
Journal of Radiation Research and Applied Sciences,
Journal Year:
2025,
Volume and Issue:
18(1), P. 101302 - 101302
Published: Jan. 28, 2025
Language: Английский
Vascular and glymphatic dysfunction as drivers of cognitive impairment in Alzheimer's disease: Insights from computational approaches
Gehan Fatima,
No information about this author
Akm Ashiquzzaman,
No information about this author
Sang Seong Kim
No information about this author
et al.
Neurobiology of Disease,
Journal Year:
2025,
Volume and Issue:
unknown, P. 106877 - 106877
Published: March 1, 2025
Language: Английский
Relationship between cerebrospinal fluid circulation markers, brain degeneration, and cognitive impairment in cerebral amyloid angiopathy
Frontiers in Aging Neuroscience,
Journal Year:
2025,
Volume and Issue:
17
Published: April 22, 2025
Objectives
To
investigate
whether
cerebrospinal
fluid
(CSF)
circulation
markers
alter
in
patients
with
probable
cerebral
amyloid
angiopathy
(pCAA)
and
they
are
associated
brain
degeneration
cognitive
impairment.
Methods
We
screened
pCAA
from
the
ADNI3
database
according
to
Boston
2.0
Criteria.
Fifty-two
impairment
(26
pCAA;
26
age-sex-matched
non-pCAA)
cognitively
normal
control
(NC)
were
included
this
study.
All
participants
underwent
neurological
MRI
assessments.
Choroid
plexus
(ChP)
was
segmented
using
a
deep
learning-based
method
its
volume
extracted.
Diffusion
tensor
imaging
analysis
along
perivascular
space
(DTI-ALPS)
used
assess
perivenous
mobility.
AD
pathological
(Aβ
tau)
assessed
positron
emission
tomography.
Brain
parenchymal
damage
white
matter
hyperintensities
(WMH)
atrophy
ratio.
compared
among
three
groups.
Correlations
ChP
volume,
DTI-ALPS
index,
markers,
scales
analyzed
group.
Results
The
groups
exhibited
significant
differences
scores,
biomarkers,
markers.
Post
hoc
analyses
showed
that
had
significantly
higher
WMH
Aβ
tau
deposition,
lower
NC.
However,
no
difference
ChPs
found
Controlling
for
age,
sex,
vascular
risk
factors,
partial
correlation
negative
between
fraction
(
r
=
−0.606,
p
0.002).
Montreal
assessment
score
−0.492,
0.028).
Conclusion
CSF
elevated
burden
impairments
CAA.
Language: Английский
Automated brain segmentation and volumetry in dementia diagnostics: a narrative review with emphasis on FreeSurfer
Frontiers in Aging Neuroscience,
Journal Year:
2024,
Volume and Issue:
16
Published: Sept. 3, 2024
Background
Dementia
can
be
caused
by
numerous
different
diseases
that
present
variable
clinical
courses
and
reveal
multiple
patterns
of
brain
atrophy,
making
its
accurate
early
diagnosis
conventional
examinative
means
challenging.
Although
highly
powerful,
magnetic
resonance
imaging
(MRI)
currently
plays
only
a
supportive
role
in
dementia
diagnosis,
largely
due
to
the
enormous
volume
diversity
data
it
generates.
AI-based
software
solutions/algorithms
perform
automated
segmentation
volumetry
analyses
MRI
are
being
increasingly
used
address
this
issue.
Numerous
commercial
non-commercial
solutions
for
exist,
with
FreeSurfer
most
frequently
used.
Objectives
This
Review
is
an
account
current
situation
regarding
application
diagnosis.
Methods
We
performed
PubMed
search
“FreeSurfer
AND
Dementia”
obtained
493
results.
Based
on
these
results,
we
conducted
in-depth
source
analysis
identify
additional
publications,
tools,
methods.
Studies
were
analyzed
design,
patient
collective,
statistical
evaluation
(mathematical
methods,
correlations).
Results
In
studies
identified,
main
cohorts
represented
Alzheimer’s
disease
(
n
=
276),
mild
cognitive
impairment
157),
frontotemporal
34),
Parkinson’s
29),
Lewy
bodies
20),
healthy
controls
356).
The
findings
methods
selection
identified
summarized
discussed.
Conclusion
Our
showed
that,
while
large
number
available,
many
underrepresented
terms
their
incidence.
There
therefore
plenty
scope
targeted
research.
Language: Английский
Beta-Amyloid related neurodegenerative and neurovascular diseases: potential implications for transfusion medicine
Transfusion Medicine Reviews,
Journal Year:
2024,
Volume and Issue:
38(4), P. 150858 - 150858
Published: Sept. 18, 2024
Language: Английский
Paying Homage to Microvessel Remodeling and Small Vessel Disease in Neurodegeneration: Implications for the Development of Late-Onset Alzheimer’s Disease
Journal of Vascular Diseases,
Journal Year:
2024,
Volume and Issue:
3(4), P. 419 - 452
Published: Nov. 20, 2024
The
microvessel
neurovascular
unit,
with
its
brain
endothelial
cells
(BEC)
and
blood–brain
barrier
remodeling,
is
important
in
the
development
of
impaired
cognition
sporadic
or
late-onset
Alzheimer’s
disease
(LOAD),
which
associated
aging
highly
prevalent
older
populations
(≥65
years
age).
It
also
linked
vascular
dementia
contributions
to
cognitive
impairment
dementia,
including
cerebral
amyloid
angiopathy
neurodegeneration.
LOAD
considered
be
number
one
cause
globally;
however,
when
considers
role
mixed
(MD)—the
combination
both
cascade
hypothesis
LOAD—it
becomes
apparent
that
MD
cause.
Microvessel
BECs
are
first
exposed
peripheral
neurotoxins
from
systemic
circulation
therefore
at
highest
risk
for
early
chronic
injury.
Therefore,
these
undergo
injury,
followed
by
excessive
recurrent
wound
healing
remodeling
processes
other
age-related
diseases
such
as
cerebrocardiovascular
disease,
hypertension,
type
2
diabetes
mellitus,
Parkinson’s
disease.
This
narrative
review
explores
intricate
relationship
between
small
vessel
(SVD),
neurodegeneration
LOAD.
discusses
current
understanding
how
dysfunction,
disruption,
pathology
contribute
pathogenesis
highlights
potential
avenues
therapeutic
intervention.
Language: Английский
Early Impairment of Face Perception in Post-Stroke Depression: An ERP Study
Pingshu Zhang,
No information about this author
Lingyun Cao,
No information about this author
J. Yuan
No information about this author
et al.
Clinical EEG and Neuroscience,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 14, 2024
Face
recognition
is
an
important
cognitive
function
of
the
human
brain.
Post
stroke
depression
(PSD)
a
common
mental
complication
after
stroke,
which
has
serious
impact
on
individual
physical
recovery
and
quality
life.
This
study
aims
to
explore
face
perception
characteristics
PSD
through
electrophysiological
indicators
N170
VPP,
provide
objective
basis
for
early
evaluation
facial
dysfunction
in
PSD.
Language: Английский
A Mendelian Randomization Study about Causal Associations between Tofu Consumption and Stroke as well as Related Subtypes
Journal of Integrative Neuroscience,
Journal Year:
2024,
Volume and Issue:
23(11)
Published: Oct. 30, 2024
Objective:
Consuming
soy
in
the
diet
is
beneficial
for
health,
and
tofu
possess
richest
source
of
dietary
soy.
However,
specific
association
with
stroke
related
subtypes
remains
controversial.
In
this
study,
genetic
causal
relationship
among
as
well
was
investigated
by
utilizing
data
a
number
genome-wide
study
(GWAS)
based
on
population.
Methods:
The
intake
GWAS
analysis
derived
from
Medical
Research
Council
(MRC)
Integrative
Epidemiology
Unit
at
University
Bristol
(MRC-IEU)
Consortium.
two-sample
Mendelian
randomization
(MR)
carried
out,
multiple
methods
to
analyze
associations
subtypes.
sensitivity,
heterogeneity,
potential
pleiotropy
could
be
method.
Results:
We
found
that
had
no
stroke.
subtype,
there
risk
intracerebral
hemorrhage
(ICH)
(odds
ratio,
OR
=
1.24
×
10-5,
95%
CI:
1.54
10-8–9.95
10-3,
p
9.300
10-4),
while
does
not
affect
ischemic
(OR
1.07
10-1,
3.84
10-4–2.97
101,
4.362
10-1)
subarachnoid
(SAH)
3.33
1.79
10-6–6.18,
1.373
10-1).
Both
PRESSO
(MR-PRESSO)
global
test
Cochran's
Q
did
detect
any
sensitivity
heterogeneity.
Conclusions:
While
consumption
associated
higher
ICH,
it
show
significant
or
SAH.
varying
effects
different
underscore
need
considering
confounding
lifestyle
factors
future
studies.
Language: Английский
Sodium Thiosulfate: An Innovative Multi-Target Repurposed Treatment Strategy for Late-Onset Alzheimer’s Disease
Pharmaceuticals,
Journal Year:
2024,
Volume and Issue:
17(12), P. 1741 - 1741
Published: Dec. 23, 2024
Late-onset
Alzheimer’s
disease
(LOAD)
is
a
chronic,
multifactorial,
and
progressive
neurodegenerative
that
associates
with
aging
highly
prevalent
in
our
older
population
(≥65
years
of
age).
This
hypothesis
generating
this
narrative
review
will
examine
the
important
role
for
use
sodium
thiosulfate
(STS)
as
possible
multi-targeting
treatment
option
LOAD.
Sulfur
widely
available
environment
responsible
forming
organosulfur
compounds
are
known
to
be
associated
wide
range
biological
activities
brain.
STS
have
(i)
antioxidant
(ii)
anti-inflammatory
properties;
(iii)
chelation
properties
calcium
pro-oxidative
cation
metals
such
iron
copper;
(iv)
donor
hydrogen
sulfide
production;
(v)
restorative
brain
endothelial-cell-derived
bioavailable
nitric
oxide.
Thus,
it
becomes
apparent
has
potential
neuroprotection
neuromodulation
may
allow
an
attenuation
nature
neurodegeneration
impaired
cognition
been
successfully
used
prevent
cisplatin
oxidative-stress-induced
ototoxicity
head
neck
solid
cancers,
cyanide
arsenic
poisoning,
fungal
skin
diseases.
Most
recently,
intravenous
become
part
plan
calciphylaxis
globally
due
vascular
calcification
ischemia-induced
necrosis
ulceration.
Side
effects
minimal
reports
metabolic
acidosis
increased
anion
gap;
any
drug
treatment,
there
also
possibility
allergic
reactions,
long-term
osteoporosis
from
animal
studies
date,
minor
side-effects
nausea,
headache,
rhinorrhea
if
infused
too
rapidly.
While
poorly
penetrates
intact
blood–brain
barrier(s)
(BBBs),
could
readily
penetrate
BBBs
dysfunctional
disrupted
deliver
its
neuroprotective
neuromodulating
addition
ability
blood–cerebrospinal
fluid
barrier
choroid
plexus.
Novel
strategies
future
nano-technology
helpful
allowing
entry
into
Language: Английский