Journal of Medical Virology,
Год журнала:
2023,
Номер
95(11)
Опубликована: Ноя. 1, 2023
The
effect
of
anemia
on
the
post-acute
outcome
patients
with
severe
acute
respiratory
syndrome
coronavirus
2
infection
was
unclear.
This
study
aimed
to
investigate
potential
association
between
nutritional
deficiency
(NDA)
status
and
sequelae
SARS-CoV-2
infection.
retrospective
cohort
included
disease
(COVID-19)
from
January
1,
2022
November
30,
using
TriNetX
research
network.
were
grouped
into
NDA
group
comprising
diagnosed
control
without
NDA,
propensity
score
matching
(PSM)
performed
balance
two
groups.
primary
a
composite
post-COVID-19
condition,
all-cause
hospitalization,
death.
secondary
outcomes
any
individual
composite.
follow-up
period
set
at
90-180
days
after
COVID-19
diagnosis.
Two
cohorts
15
446
nonhospitalized
in
each
balanced
baseline
characteristics
created
PSM.
During
period,
demonstrated
higher
risk
outcome,
including
or
death
(hazard
ratio
[HR],
1.896;
95%
confidence
interval
[CI]
=
1.757-2.045).
Regarding
outcomes,
associated
worse
condition
(HR,
1.992;
CI
1.403-2.828),
hospitalization
1.856;
1.714-2.009),
3.922;
2.910-5.285)
compared
group.
Among
COVID-19,
during
90-180-day
period.
Archives of Clinical Infectious Diseases,
Год журнала:
2025,
Номер
20(2)
Опубликована: Янв. 4, 2025
Background:
The
COVID-19
pandemic,
which
occurred
between
2019
and
2023,
posed
a
significant
threat
to
global
health.
Its
high
transmissibility,
the
emergence
of
new
variants,
novel
nature
disease
made
treatment
control
highly
challenging.
Objectives:
This
study
aimed
develop
an
algorithm
for
predicting
mortality
hospitalized
patients
using
machine
learning
methods.
Methods:
cross-sectional
was
conducted
on
581
patients.
approach
integrated
multi-model
features
derived
from
computed
tomography
(CT)
scans
electronic
health
record
(EHR)
data.
High-resolution
(HRCT)
images
were
initially
processed
Pulmonary
Toolkit
package
in
MATLAB
software.
Subsequently,
extracted
variables
entered
into
model
as
predictive
factors,
alongside
demographic
characteristics,
underlying
conditions,
laboratory
results
developed
AdaBoost
method
by
incorporating
data
with
HRCT
features.
Results:
In
this
study,
included.
Among
them,
199
(34.25%)
died,
while
382
(65.75%)
recovered.
According
algorithm,
most
effective
lymphocyte
variables,
CRP,
age,
mean
lung
density,
tissue
percentage,
RBC
count,
D-dimer
levels,
emphysema.
MCC
Index
0.73,
area
under
ROC
curve
0.96.
Conclusions:
our
results,
three
greatest
impact
related
findings,
patient
age.
Therefore,
it
is
recommended
that,
given
cost
HRCT,
diagnostic
test
should
only
be
performed
if
other
risk
factors
are
identified
results.
If
necessary,
promptly.
Clinical Hemorheology and Microcirculation,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 13, 2025
Objective
The
objective
of
this
study
is
to
examine
the
lifespan
red
blood
cells
(RBCs)
in
individuals
with
systemic
lupus
erythematosus
(SLE),
explore
factors
influencing
lifespan,
and
assess
its
significance
clinical
contexts.
Methods
experimental
group
comprised
182
patients
SLE,
while
control
consisted
90
healthy
participants.
By
using
a
non-invasive
breath
test,
we
measured
RBC
both
groups.
Subsequently,
conducted
comparative
analysis
general
data
laboratory
findings
correlation
between
SLE
various
parameters
associated
characteristics,
inflammatory
markers,
immunological
indicators.
Furthermore,
examined
impact
COVID-19
infection
on
among
assessed
diagnostic
efficacy
lifespan.
Results
was
notably
reduced
comparison
(
P
=
0.002).
A
positive
observed
hemoglobin
(HB),
complement
3,
4,
whereas
negative
noted
IgG,
erythrocyte
sedimentation
rate
(ESR),
C-reactive
protein,
anti-dsDNA
levels
(all
<
0.05).
Noteworthy
independent
contributors
reduction
included
disease
activity
presence
anemia.
While
remained
unchanged
before
after
>
0.05),
post-COVID-19
Also,
shorter
during
active
phase
compared
stable
phase,
exhibiting
even
pre-COVID-19
An
optimal
cutoff
for
prediction
anemia
day
assessment
determined
be
93.5
days
(AUC
0.792,
Conclusion
Patients
exhibited
contrast
population,
which
linked
immune
as
well
incidence
infection.
This
discovery
holds
crucial
diagnosis
comprehension
underlying
pathogenic
mechanisms
within
context
SLE.
Biomolecules,
Год журнала:
2022,
Номер
12(11), С. 1708 - 1708
Опубликована: Ноя. 17, 2022
Hemoglobin
is
essential
for
maintaining
cellular
bioenergetic
homeostasis
through
its
ability
to
bind
and
transport
oxygen
the
tissues.
Besides
oxygen,
hemoglobin
within
erythrocytes
plays
an
important
role
in
signaling
modulation
of
inflammatory
response
either
directly
by
binding
gas
molecules
(NO,
CO,
CO2)
or
indirectly
acting
as
their
source.
Once
reaches
extracellular
environment,
it
acquires
several
secondary
functions
affecting
surrounding
cells
By
modulating
cell
functions,
this
macromolecule
becomes
involved
etiology
pathophysiology
various
diseases.
The
up-to-date
results
disclose
impact
on
(i)
redox
status,
(ii)
state
cells,
(iii)
proliferation
chemotaxis,
(iv)
mitochondrial
dynamic,
(v)
chemoresistance
(vi)
differentiation.
This
review
pays
special
attention
applied
biomedical
research
use
non-vertebrate
vertebrate
a
promising
candidate
hemoglobin-based
carriers,
well
culture
medium
additive.
Although
recent
experimental
settings
have
some
limitations,
they
provide
additional
insight
into
modulatory
activity
microenvironments,
such
stem
tumor
niches.
Heliyon,
Год журнала:
2024,
Номер
10(2), С. e24527 - e24527
Опубликована: Янв. 1, 2024
PurposeThe
hematological
changes
in
COVID-19
patients
continue
to
receive
great
attention,
especially
the
field
of
public
health.
To
our
knowledge,
coronavirus
disease
may
be
identified
based
on
severity
illness,
and
study
peripheral
blood
smears
offer
important
information
facilitate
identification.
Thus,
we
evaluated
morphological
abnormalities
(atypical
immature
lymphocytes,
lymphocytes
with
micronuclei,
various
nuclear
among
erythrocytes)
quantitative
cells
48
individuals
disease.MethodsThe
present
is
a
retrospective
analysis
individuals,
including
24
hospitalized
diagnosed
disease.
The
all
were
subjected
examination
identify
white
red
cells.
In
addition,
micronucleus
test
was
conducted
assess
incidence
chromosomal
damage
lymphocytes.
Furthermore,
complete
count
(CBC)
performed
evaluate
cells,
particularly
differential
total
leukocyte
count,
which
could
indicate
immune
response
against
viral
infection
patients.ResultsThe
findings
revealed
neutrophilia,
eosinophilia,
mild
monocytosis,
decreased
hematocrit
level,
elevated
erythrocyte
sedimentation
rate
(ESR),
leukocytes.
It
observed
that
who
infected
demonstrated
thrombocytopenia.
indicated
presence
micronuclei
numerous
These
results
help
shed
light
occur
patients,
potentially
contribute
development
more
effective
treatments
for
disease.ConclusionsThe
counts
(CBCs)
conjunction
offers
potential
means
identifying
impact
SARS-CoV-2
hematopoietic
systems,
thereby
providing
early
indications
inflammation.
Based
study,
it
has
been
suggested
affect
causing
alterations
establishing
corresponding
relationship
severity.
The
relaxation
of
the
"zero-COVID"
policy
on
Dec.
7,
2022,
in
China
posed
a
major
public
health
threat
recently.
Complete
blood
count
test
was
discovered
to
have
complicated
relationships
with
COVID-19
after
infection,
while
very
few
studies
could
track
long-term
monitoring
status
and
identify
characterization
hematological
parameters
prior
COVID-19.
Vaccines,
Год журнала:
2023,
Номер
11(2), С. 218 - 218
Опубликована: Янв. 19, 2023
Myeloid-derived
suppressor
cells
MDSCs
are
a
heterogeneous
population
of
that
expand
beyond
their
physiological
regulation
during
pathologies
such
as
cancer,
inflammation,
bacterial,
and
viral
infections.
Their
key
feature
is
remarkable
ability
to
suppress
T
cell
natural
killer
NK
responses.
Certain
risk
factors
for
severe
COVID-19
disease,
obesity
diabetes,
associated
with
oxidative
stress.
The
resulting
inflammation
stress
can
negatively
impact
the
host.
Similarly,
cancer
exhibit
sustained
increase
in
intrinsic
ROS
generation
maintains
oncogenic
phenotype
drives
tumor
progression.
By
disrupting
endoplasmic
reticulum
calcium
channels,
intracellular
accumulation
disrupt
protein
folding
ultimately
lead
proteostasis
failure.
In
COVID-19,
consist
same
two
subtypes
(PMN-MSDC
M-MDSC).
While
main
role
polymorphonuclear
dampen
response
cells,
they
also
produce
reactive
oxygen
species
nitrogen
RNS.
We
here
review
origin
MDSCs,
expansion
mechanisms,
suppressive
functions
context
presence
superoxide
anion
•O2−
ROS.
PLoS ONE,
Год журнала:
2023,
Номер
18(8), С. e0290242 - e0290242
Опубликована: Авг. 25, 2023
Background
The
occurrence
of
variations
in
routine
hematological
parameters
is
closely
associated
with
disease
progression,
the
development
severe
illness,
and
mortality
rate
among
COVID-19
patients.
This
study
aimed
to
investigate
hospitalized
patients
from
1st
5th
waves
current
pandemic.
Methods
cross-sectional
included
a
total
1501
laboratory-confirmed
based
on
WHO
criteria,
who
were
admitted
Shahid
Sadoughi
Hospital
(SSH)
Yazd,
Iran,
February
2020
September
2021.
Throughout,
we
encountered
five
surge
waves.
In
each
wave,
randomly
selected
approximately
300
categorized
them
infection
severity
during
their
hospitalization,
including
partial
recovery,
full
death.
Finally,
compared
age,
gender,
pandemic
waves,
outcomes
using
Mann-Whitney
U
Kruskal-Wallis
tests.
Results
mean
age
(n
=
1501)
was
61.1±21.88,
816
(54.3%)
being
men.
highest
this
related
third
wave
21.3%.
There
significant
difference
all
parameters,
except
PDW,
PLT,
RDW-CV,
our
population.
rise
levels
MCV
RDW-CV
occurred
2nd
for
lymphocyte
count,
MCHC,
PLT
RDW-SD,
3rd
WBC,
RBC,
neutrophil
MCH,
4th
Hb,
Hct,
ESR
(
p
<
0.01).
median
level
significantly
higher,
while
lower
men
than
women
0.001).
Also,
deceased
higher
those
recovered
or
recovery
Conclusion
findings
unveiled
notable
across
different
clinical
outcomes.
These
indicate
that
behavior
strains
may
differ
various
stages