Molecular Neurodegeneration,
Journal Year:
2024,
Volume and Issue:
19(1)
Published: April 19, 2024
Abstract
The
unprecedented
pandemic
of
COVID-19
swept
millions
lives
in
a
short
period,
yet
its
menace
continues
among
survivors
the
form
post-COVID
syndrome.
An
exponentially
growing
number
suffer
from
cognitive
impairment,
with
compelling
evidence
trajectory
accelerated
aging
and
neurodegeneration.
novel
enigmatic
nature
this
yet-to-unfold
pathology
demands
extensive
research
seeking
answers
for
both
molecular
underpinnings
potential
therapeutic
targets.
Ferroptosis,
an
iron-dependent
cell
death,
is
strongly
proposed
underlying
mechanism
post-COVID-19
neurodegeneration
discourse.
incites
neuroinflammation,
iron
dysregulation,
reactive
oxygen
species
(ROS)
accumulation,
antioxidant
system
repression,
renin-angiotensin
(RAS)
disruption,
clock
gene
alteration.
These
events
pave
way
ferroptosis,
which
shows
signature
COVID-19,
premature
aging,
neurodegenerative
disorders.
In
search
treatment,
melatonin
shines
as
promising
ferroptosis
inhibitor
repeatedly
reported
safety
tolerability.
According
to
various
studies,
has
proven
efficacy
attenuating
severity
certain
manifestations,
validating
reputation
anti-viral
compound.
Melatonin
well-documented
anti-aging
properties
combating
neurodegenerative-related
pathologies.
can
block
leading
since
it
efficient
anti-inflammatory,
chelator,
antioxidant,
angiotensin
II
antagonist,
regulator.
Therefore,
we
propose
culprit
behind
melatonin,
well-fitting
inhibitor,
treatment.
BMC Medicine,
Journal Year:
2023,
Volume and Issue:
21(1)
Published: July 19, 2023
Abstract
Background
Previous
studies
have
found
a
correlation
between
coronavirus
disease
2019
(COVID-19)
and
changes
in
brain
structure
cognitive
function,
but
it
remains
unclear
whether
COVID-19
causes
structural
which
specific
regions
are
affected.
Herein,
we
conducted
Mendelian
randomization
(MR)
study
to
investigate
this
causal
relationship
identify
vulnerable
COVID-19.
Methods
Genome-wide
association
(GWAS)
data
for
phenotypes
(28,900
cases
3,251,161
controls)
were
selected
as
exposures,
GWAS
traits
(cortical
thickness
surface
area
from
51,665
participants
volume
of
subcortical
structures
30,717
participants)
outcomes.
Inverse-variance
weighted
method
was
used
the
main
estimate
method.
The
median,
MR-Egger,
MR-PRESSO
global
test,
Cochran’s
Q
statistic
detect
heterogeneity
pleiotropy.
Results
genetically
predicted
infection
phenotype
nominally
associated
with
reduced
cortical
caudal
middle
frontal
gyrus
(
β
=
−
0.0044,
p
0.0412).
hospitalized
lateral
orbitofrontal
0.0049,
0.0328)
rostral
0.0022,
0.0032)
well
temporal
10.8855,
0.0266).
These
relationships
also
identified
severe
phenotype.
Additionally,
cuneus
0.0024,
0.0168);
pericalcarine
2.6628,
0.0492),
superior
parietal
5.6310,
0.0408),
parahippocampal
0.1473,
0.0297);
hippocampus
15.9130,
0.0024).
Conclusions
Our
indicates
suggestively
significant
genetic
predisposition
atrophy
functional
human
brain.
Patients
impairment
should
be
actively
managed
alleviate
neurocognitive
symptoms
minimize
long-term
effects.
European Journal of Neurology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 20, 2024
Abstract
Background
and
purpose
This
review
aims
to
characterize
the
pattern
of
post‐COVID‐19
cognitive
impairment,
allowing
better
prediction
impact
on
daily
function
inform
clinical
management
rehabilitation.
Methods
A
systematic
meta‐analysis
neurocognitive
sequelae
following
COVID‐19
was
conducted,
PRISMA‐S
guidelines.
Studies
were
included
if
they
reported
domain‐specific
assessment
in
patients
with
at
>4
weeks
post‐infection.
deemed
high‐quality
had
>40
participants,
utilized
healthy
controls,
low
attrition
rates
mitigated
for
confounders.
Results
Five
seven
primary
Diagnostic
Statistical
Manual
Mental
Disorders
(DSM‐5)
domains
assessed
by
enough
studies
facilitate
meta‐analysis.
Medium
effect
sizes
indicating
impairment
versus
controls
seen
across
executive
(standardised
mean
difference
(SMD)
−0.45),
learning
memory
(SMD
−0.55),
complex
attention
−0.54)
language
−0.54),
perceptual
motor
appearing
be
impacted
a
greater
degree
−0.70).
narrative
synthesis
56
low‐quality
also
suggested
no
obvious
impairment.
Conclusions
found
moderate
impairments
multiple
cognition
post‐COVID‐19,
specific
pattern.
The
literature
significantly
heterogeneous,
wide
variety
tasks,
small
sample
disparate
initial
disease
severities
limiting
interpretability.
finding
consistent
range
tasks
suggests
broad,
as
opposed
domain‐specific,
brain
dysfunction.
Future
should
utilize
harmonized
test
battery
inter‐study
comparisons,
whilst
accounting
interactions
between
COVID‐19,
neurological
mental
health,
interplay
which
might
explain
Archives of Clinical Neuropsychology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 8, 2024
Abstract
Objective
Although
Coronavirus
disease
2019
(COVID-19)
is
primarily
a
respiratory
infectious
disease,
it
has
also
been
associated
with
wide
range
of
other
clinical
manifestations.
It
widely
accepted
in
the
scientific
community
that
many
patients
after
recovery
continue
to
experience
COVID-19-related
symptoms,
including
cognitive
impairment.
The
aim
this
systematic
review
was
investigate
profile
long-COVID
syndrome.
Methods
A
search
empirical
studies
conducted
through
PubMed/Medline
and
Scopus
electronic
databases.
Cross-sectional
longitudinal
published
between
2020
2023
were
included.
Results
Of
516
assessed
for
eligibility,
36
met
inclusion
criteria.
All
included
support
presence
persistent
changes
COVID-19
disease.
Executive
function,
memory,
attention,
processing
speed
appear
be
domains
are
predominantly
syndrome,
whereas
language
an
area
not
sufficiently
investigated.
Conclusions
In
review,
high
frequency
impairment
evident.
If
we
consider
functioning
affects
our
ability
live
independently
key
determinant
quality
life,
imperative
precisely
define
those
factors
may
induce
survivors,
ultimate
goal
early
diagnosis
and,
consequently,
development
targeted
rehabilitation
interventions
address
them.
Frontiers in Neurology,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 6, 2025
Post
COVID-19
condition
(PCC)
is
increasingly
recognized
as
a
debilitating
characterized
by
persistent
symptoms
following
SARS-CoV-2
infection.
Neuropsychological
deficits,
including
cognitive
impairments
and
fatigue,
are
prevalent
in
individuals
with
PCC.
The
PoCoRe
study
aimed
to
evaluate
the
burden
of
neuropsychological
deficits
PCC
patients
undergoing
multidisciplinary
indoor
rehabilitation
describe
possible
changes
this
symptomatology.
study,
prospective,
non-randomized,
controlled
longitudinal
recruited
from
six
German
centers.
Eligible
participants
underwent
comprehensive
assessments
at
admission
discharge.
Various
measures
were
employed,
fatigue
scale
for
motor
functioning
cognition
(FSMC),
Test
Battery
Attention
(TAP)
Montreal
Cognitive
Assessment
(MoCA).
Out
1,086
participants,
total
N
=
701
included
main
data
analysis.
prevalence
on
was
high
(84.6%)
decreased
significantly
discharge
(77.4%),
mild
effect
size.
Reaction
times
alertness
subtest
abnormal
70%
50%
Sustained
attention
55%
admission,
decreasing
43%
These
differences
significant
sizes.
Furthermore,
27%
pathological
MoCA
scores
63%
improved
normative
levels
during
rehabilitation,
indicating
treatment
(p
≤
0.001).
However,
demonstrated
limited
sensitivity
detecting
deficits.
highlights
patients,
notable
improvements
observed
rehabilitation.
Challenges
remain
accurately
identifying
addressing
these
underscoring
importance
assessment
tailored
interventions.
Further
research
warranted
optimize
screening
tools
enhance
care
both
outpatient
settings.
Annals of Medicine,
Journal Year:
2025,
Volume and Issue:
57(1)
Published: Jan. 16, 2025
The
COVID-19
pandemic,
caused
by
SARS-CoV-2,
has
had
profound
global
impacts
since
its
emergence
in
late
2019.
Whilst
acute
symptoms
are
well-documented,
increasing
evidence
suggests
long-term
consequences
extending
beyond
the
phase.
This
study
aimed
to
investigate
cognitive
and
autonomic
effects
of
young
adults.
We
conducted
a
cross-sectional
comparing
adults
with
history
(n
=
34)
matched
controls
34).
Cognitive
function
was
assessed
using
Sternberg
Task,
Stroop
Go/No-Go
Task
(GNG).
Autonomic
evaluated
heart
rate
variability
(HRV)
parameters.
average
time
interval
between
infection
testing
28.2
months.
group
showed
significantly
increased
reaction
2-item
absent
condition
(p
0.044)
errors
4-item
present
0.012)
neutral
response
0.028)
normalized
for
completing
task
0.022)
Task.
No
significant
differences
were
found
GNG
HRV
parameters
did
not
differ
groups,
although
trends
toward
higher
overall
observed
group.
Young
who
approximately
28
months
ago
show
minimal
impact
on
regulation.
However,
subtle
inefficiencies
persist,
particularly
working
memory
executive
tasks.
These
findings
suggest
generally
favorable
prognosis
following
mild
moderate
but
highlight
need
further
investigation
into
persistent
effects.
Frontiers in Psychology,
Journal Year:
2025,
Volume and Issue:
16
Published: Feb. 3, 2025
In
the
current
study,
we
aimed
(i)
to
evaluate
sleep
quality
via
wrist
actigraphy
monitoring
of
nonhospitalized
and
hospitalized
post-COVID-19
condition
(PCC)
participants;
(ii)
correlate
measures
with
subjective
quality,
such
as
Pittsburgh
Sleep
Quality
Index
(PSQI);
(iii)
investigate
whether
total
time
or
efficiency
could
affect
PCC
cognitive
performance.
We
included
49
individuals
from
NAUTILUS
Project
(NCT05307549
NCT05307575)
who
were
monitored
for
1
week
also
assessed
a
comprehensive
neuropsychological
battery
PSQI.
found
that
there
significant
differences
between
PCCs
in
number
awakenings.
correlation
both
(actigraphy
PSQI),
but
did
not
observe
correlations
objective
parameters
latency
efficiency.
Regarding
cognition
measures,
was
trend
statistical
significance
performance
immediate
visual
memory,
attention
span
social
according
conclusion,
results
indicate
although
PSQI
provides
clinically
relevant
indicators
sleep,
are
divergent
self-reported
(actigraphy).
Furthermore,
tendency
toward
participants
their
which
is
more
important
function
patients
than
time.
International Journal of Environmental Research and Public Health,
Journal Year:
2022,
Volume and Issue:
19(20), P. 13368 - 13368
Published: Oct. 16, 2022
Post-COVID
syndrome
(PCS)
is
a
medical
condition
characterized
by
the
persistence
of
wide
range
symptoms
after
acute
infection
SARS-CoV-2.
The
work
capacity
consequences
this
disorder
have
scarcely
been
studied.
We
aimed
to
analyze
factors
associated
with
occupational
status
in
patients
PCS.
This
cross-sectional
study
involved
77
PCS
on
active
before
SARS-CoV-2
infection.
Patients
were
evaluated
20.71
±
6.50
months
clinical
onset.
conducted
survey
activity
and
cognitive
symptoms.
association
between
fatigue,
depression,
anxiety,
sleep
quality,
testing
was
analyzed.
Thirty-eight
(49.4%)
working,
thirty-nine
(50.6%)
not.
Of
those
not
working
at
moment
assessment,
36
(92.3%)
sick
leave.
In
63
(81.8%
sample),
leave
needed
some
point
due
mean
duration
12.07
8.07
months.
According
patient’s
perspective,
most
disabling
complaints
(46.8%)
fatigue
(31.2%).
Not
assessment
higher
levels
lower
performance
Stroop
test.
No
found
depression
anxiety
questionnaires.
Our
an
influence
capacity.
Fatigue
issues
frequent
loss
Frontiers in Psychology,
Journal Year:
2023,
Volume and Issue:
14
Published: Feb. 2, 2023
Background
and
purpose
The
coronavirus
disease
2019
(COVID-19)
has
been
associated
with
olfactory
dysfunction.
persistent
symptoms
of
anosmia
or
hyposmia
were
in
previous
studies
the
development
memory
impairment
mood
disturbances.
We
aimed
to
investigate
association
between
chronicity
reported
dysfunction
subjective
objective
cognitive
performance
long-COVID
patients
explore
whether
their
emotional
are
related
cognition.
Methods
One
hundred
twenty-eight
participants
recruited.
Reported
symptomatology,
complaints,
anxiety
depression
trait-anxiety
assessed.
Subjective
complaints
disturbances
compared
among
groups
as
an
acute
(AOD),
(POD),
nonexistent
(NOD)
symptom.
Seventy-six
volunteers
also
participated
a
face-to-face
session
assess
on
tests
general
function
verbal
declarative
memory.
Objective
AOD,
POD,
NOD
groups.
Results
similar
groups,
but
score
was
lower
than
those
no
at
any
time.
Participants’
positively
symptoms.
relationship
depressive
symptomatology
interacted
dysfunction,
it
only
occurred
without
Depressive
negatively
delayed
performance.
months
elapsed
from
diagnosis
assessment
predicted
Anxious
immediate
ability
recall
information
who
did
not
present
phase
infection.
Conclusion
Olfactory
infection
by
COVID-19
is
deficits
tests,
self-reported
These
findings
may
contribute
further
understanding
neuropsychological
aspects
long-COVID.