Health Science Reports,
Journal Year:
2023,
Volume and Issue:
6(2)
Published: Jan. 27, 2023
Abstract
Background
and
Aims
Alteration
in
humans'
gut
microbiota
was
reported
patients
infected
with
severe
acute
respiratory
syndrome
coronavirus‐2
(SARS‐CoV‐2).
The
upper
tract
(URT)
harbor
a
dynamic
complex
population
of
microorganisms
have
strong
interaction
host
immune
system
homeostasis.
However,
our
knowledge
about
its
association
SARS‐CoV‐2
is
still
limited.
We
aimed
to
systematically
review
the
effects
on
infection
severity
impact
that
could
microbiota.
Methods
searched
keywords
online
databases
Web
Science,
Scopus,
PubMed,
Cochrane
December
31,
2021.
After
duplicate
removal,
we
performed
screening
process
two
stages;
title/abstract
then
full‐text
screening.
data
eligible
studies
were
extracted
into
pre‐designed
word
table.
This
study
adhered
PRISMA
checklist
Newcastle−Ottawa
Scale
Bias
Assessment
tool.
Results
Sixty‐three
publications
included
this
review.
Our
shows
among
COVID‐19
patients,
particularly
moderate
cases,
lung
different
compared
healthy
individuals.
In
addition,
severity,
viral
load
disease
would
probably
also
be
influenced
by
gut,
microbiota's
composition.
Conclusion
concludes
there
significant
difference
composition
URT,
general
individuals,
an
increase
opportunistic
pathogens.
Further,
research
needed
investigate
probable
bidirectional
human
microbiome.
Immunity Inflammation and Disease,
Journal Year:
2021,
Volume and Issue:
10(3)
Published: Dec. 13, 2021
Abstract
Introduction
Patients
with
COVID‐19
may
present
different
viral
loads
levels.
However,
the
relationship
between
load
and
disease
severity
in
is
still
unknown.
Therefore,
this
study
aimed
to
systematically
review
association
SARS‐CoV‐2
severity.
Methods
The
relevant
studies
using
keywords
of
“COVID‐19”
“viral
load”
were
searched
databases
PubMed,
Scopus,
Google
Scholar,
Web
Science.
A
two‐step
title/abstract
screening
process
was
carried
out
eligible
included
study.
Results
Thirty‐four
from
initial
1015
records.
vast
majority
have
utilized
real‐time
reverse
transcription‐polymerase
chain
reaction
nasopharyngeal/respiratory
swabs
report
load.
Viral
commonly
reported
either
as
cycle
threshold
(
C
t
)
or
log
10
RNA
copies/ml.
Conclusion
results
inconclusive
about
load,
a
similar
number
approved
opposed
hypothesis.
denote
direct
older
age
higher
which
known
risk
factor
for
mortality.
patients
serve
mechanism
any
possible
relationships
There
positive
correlation
its
transmissibility.
Nonetheless,
further
are
recommended
precisely
characterize
matter.
Health Science Reports,
Journal Year:
2022,
Volume and Issue:
5(3)
Published: May 1, 2022
Abstract
Background
and
Aims
Older
people
have
higher
rates
of
comorbidities
may
experience
more
severe
inflammatory
responses;
therefore,
are
at
risk
death.
Herein,
we
aimed
to
systematically
review
the
mortality
in
coronavirus
disease
2019
(COVID‐19)
patients
its
predictors
this
age
group.
Methods
We
searched
PubMed,
Web
Science,
Science
Direct
using
relevant
keywords.
Retrieved
records
underwent
a
two‐step
screening
process
consisting
title/abstract
full‐text
screenings
identify
eligible
studies.
Results
Summarizing
findings
35
studies
demonstrated
that
older
compared
younger
population.
A
articles
revealed
increasing
age,
body
mass
index,
male
gender,
dementia,
impairment
or
dependency
daily
activities,
presence
consolidations
on
chest
X‐ray,
hypoxemic
respiratory
failure,
lower
oxygen
saturation
admission
were
factors
for
High
d
‐dimer
levels,
25‐hydroxy
vitamin
D
serum
deficiencies,
high
C‐reactive
protein
(≥5
mg/L)
levels
plus
any
other
abnormalities
lymphocyte,
blood
urea
nitrogen
lactate
dehydrogenase,
platelet
count
poor
prognosis
elderly.
Studies
also
shown
previous
treatment
with
renin–angiotensin–aldosterone
system
inhibitors,
pharmacological
treatments
disorders,
antibiotics,
corticosteroids,
K
antagonist,
antihistamines,
azithromycin,
Itolizumab
(an
anti‐CD6
monoclonal
antibody)
combination
antivirals
reduces
COVID‐19
worsening
mortality.
Vaccination
against
seasonal
influenza
might
reduce
Conclusion
Overall,
critical
consideration
is
necessary
care
management
aged
population
considering
drastic
contrasts
manifestation
groups.
Mortality
from
independently
associated
patient's
age.
Elderly
vulnerable
outcomes.
Thus,
strict
preventive
measures,
timely
diagnosis,
aggressive
therapeutic/nontherapeutic
great
importance
acute
distress
syndrome
complications
people.
Frontiers in Immunology,
Journal Year:
2021,
Volume and Issue:
12
Published: Oct. 22, 2021
Coronavirus
disease
2019
(COVID-19)
has
resulted
in
a
global
pandemic,
challenging
both
the
medical
and
scientific
community
for
development
of
novel
vaccines
greater
understanding
effects
SARS-CoV-2
virus.
COVID-19
been
associated
with
pronounced
out-of-control
inflammatory
response.
Studies
have
sought
to
understand
response
markers
prognosticate
disease.
Herein,
we
aimed
review
evidence
11
groups
systemic
risk-stratifying
patients
prognosticating
outcomes
related
COVID-19.
Numerous
studies
demonstrated
effectiveness
neutrophil
lymphocyte
ratio
(NLR)
patient
outcomes,
including
but
not
limited
severe
disease,
hospitalization,
intensive
care
unit
(ICU)
admission,
intubation,
death.
A
few
outperformed
NLR
predicting
1)
immune-inflammation
index
(SII),
2)
prognostic
nutritional
(PNI),
3)
C-reactive
protein
(CRP)
albumin
(CAR)
high-sensitivity
CAR
(hsCAR),
4)
CRP
prealbumin
(CPAR)
CPAR
(hsCPAR).
However,
there
are
number
comparing
these
markers,
such
conclusions
require
larger
validation
studies.
Overall,
suggests
that
most
studied
able
predict
prognosis,
however
seems
be
robust
marker.
Health Science Reports,
Journal Year:
2022,
Volume and Issue:
5(2)
Published: Feb. 18, 2022
Scientists
and
healthcare
workers
have
expressed
their
concerns
on
the
impacts
of
COVID-19
pandemic
vaccination
coverage
in
children
adolescents.
Therefore,
we
aimed
to
systematically
review
studies
addressing
this
issue
worldwide.
European journal of medical research,
Journal Year:
2021,
Volume and Issue:
26(1)
Published: June 8, 2021
Coronavirus
Disease-2019
(SARS-CoV-2)
started
its
devastating
trajectory
into
a
global
pandemic
in
Wuhan,
China,
December
2019.
Ever
since,
several
variants
of
SARS-CoV-2
have
been
identified.
In
the
present
review,
we
aimed
to
characterize
different
and
explore
related
morbidity
mortality.A
systematic
review
including
current
evidence
mortality
was
conducted
through
search
utilizing
keywords
online
databases
Scopus,
PubMed,
Web
Science,
Science
Direct;
retrieved
all
papers
reports
published
English
from
2019
September
2020.A
identified
articles
has
shown
three
main
genomic
variants,
type
A,
B,
C.
also
clades
S,
V,
G.
Studies
demonstrated
that
C14408T
A23403G
alterations
Nsp12
S
proteins
are
most
prominent
world,
leading
life-threatening
mutations.The
spike
D614G
amino
acid
change
become
common
variant
since
From
missense
mutations
found
Gujarat
genomes,
C28854T,
deleterious
mutation
nucleocapsid
(N)
gene
significantly
associated
with
patients'
mortality.
The
other
significant
(G25563T)
is
patients
located
Orf3a
potential
role
viral
pathogenesis.Overall,
researchers
changing
clinical
manifestations
increasing
transmissibility,
morbidity,
COVID-19.
This
should
be
considered
practice
interventions
combat
prevent
European journal of medical research,
Journal Year:
2021,
Volume and Issue:
26(1)
Published: Aug. 19, 2021
Abstract
Background
Oxygenation
serves
as
a
cornerstone
in
the
treatment
of
COVID-19,
and
several
methods
have
been
extensively
studied
so
far.
Herein,
we
aimed
to
systematically
review
studies
discussing
hyperbaric
oxygen
therapy
(HBOT)
examine
its
reported
efficacy
adverse
events
patients
with
COVID-19.
Methods
We
searched
retrieved
relevant
articles
using
keywords
on
online
databases,
including
PubMed,
Scopus,
Embase,
Web
Science,
Cochrane
databases
up
April
11th,
2021.
The
records
underwent
two-step
title/abstract
full-text
screening
process,
eligible
papers
were
identified.
National
Institutes
health
(NIH)
quality
assessment
tool
was
used
for
this
study.
This
study
registered
International
Prospective
Register
Systematic
Reviews
(PROSPERO)
ID
CRD42021269821.
Results
Eight
from
three
countries
included.
All
included
had
good
fair
scores,
no
poor
systematic
(Good:
n
=
5,
Fair:
3).
Studies
divided
into
clinical
trials
case
reports/series.
Most
HBOT
less
than
1.5–2
absolute
atmospheres
(ATA)
90
min
sessions
thereafter
decreased
60
min.
Trials
demonstrated
most
recovered
after
receiving
HBOT,
blood
saturation
increased
HBOT.
Conclusion
Overall,
seems
be
safe
effective
oxygenation
method
However,
there
is
limited
knowledge
evidence
regarding
effects
mechanism
COVID-19
treatment,
further
evaluations
require
extensive
well-designed
studies.
PLoS ONE,
Journal Year:
2022,
Volume and Issue:
17(7), P. e0270627 - e0270627
Published: July 6, 2022
Although
advanced
age
and
presence
of
comorbidities
significantly
impact
the
variation
observed
in
clinical
symptoms
COVID-19,
it
has
been
suggested
that
genetic
variants
may
also
be
involved
disease.
Thus,
aim
this
study
was
to
perform
a
systematic
review
with
meta-analysis
literature
identify
polymorphisms
are
likely
contribute
COVID-19
pathogenesis.
Pubmed,
Embase
GWAS
Catalog
repositories
were
systematically
searched
retrieve
articles
investigated
associations
between
COVID-19.
For
analyzed
3
or
more
studies,
pooled
OR
95%
CI
calculated
using
random
fixed
effect
models
Stata
Software.
Sixty-four
eligible
included
review.
In
total,
8
7
candidate
genes
74
alleles
HLA
loci
studies.
The
HLA-A*30
CCR5
rs333Del
associated
protection
against
infection,
while
APOE
rs429358C
allele
risk
for
Regarding
severity,
HLA-A*33,
ACE1
Ins,
TMPRSS2
rs12329760T
severe
forms,
HLA-B*38,
HLA-C*6,
ApoE
forms
conclusion,
ApoE,
ACE1,
TMPRSS2,
CCR5,
appear
susceptibility
and/or
severity
Children,
Journal Year:
2022,
Volume and Issue:
9(2), P. 249 - 249
Published: Feb. 12, 2022
Since
the
beginning
in
December
2019,
SARS-CoV-2
outbreak
appeared
to
affect
mostly
adult
population,
sparing
vast
majority
of
children
who
only
showed
mild
symptoms.
The
purpose
this
investigation
is
assess
status
on
mechanisms
that
give
and
infants
variation
epidemiology
compared
population
its
impact
therapies
vaccines
are
aimed
towards
them.
A
literature
review,
including
vitro
studies,
reviews,
published
guidelines
clinical
trials
was
performed.
Clinical
concerned
topics
allowed
a
descriptive
synthesis
be
produced.
Four
underlying
were
found
may
play
key
role
providing
COVID-19
protection
babies.
No
available
yet
for
therapy
due
insufficient
data;
support
remains
most
used.
Only
two
approved
by
World
Health
Organization
used
from
12
years
age,
there
currently
no
efficacy
or
safety
data
below
age
years.
frame
infection
milder
adolescents.
This
section
can
act
as
vectors
reservoirs
transmission
infection;
therefore,
paramount.
More
evidence
required
guide
safely
vaccination
campaign.
European journal of medical research,
Journal Year:
2022,
Volume and Issue:
27(1)
Published: Oct. 8, 2022
Abstract
Introduction
Patients
with
immunodeficiency
are
usually
more
prone
to
worse
outcomes
of
infectious
diseases.
However,
there
some
disagreements
in
the
context
COVID-19,
for
example,
patients
human
virus
(HIV).
Herein,
we
aimed
systematically
review
risk
and
predictors
COVID-19
mortality
people
primary
or
secondary
immunodeficiency.
Methods
PubMed,
Scopus,
Web
Science,
Science
Direct
were
searched.
We
followed
a
two-step
screening
process
identify
eligible
results.
first
reviewed
title
abstract
records
unqualified
studies
removed.
Then,
their
full
texts
evaluated
based
on
coherence
purpose
inclusion/exclusion
criteria,
those
qualitative
synthesis
included.
Results
Twenty-two
articles
included,
which
investigated
total
109,326
immunodeficiencies.
Three
pediatric
infant
population,
while
other
conducted
adult
population.
Overall,
both
conflicted
as
reported
higher
mentioned
lower
rates
Conclusions
two
points
view
types
The
is
classical
viewpoint
that
all
immunodeficient
at
infection
leading
rate.
second
found
might
play
less
important
even
an
inverse
role
by
lowering
severity
inflammatory
response.
it
take
note
comorbidities,
such
DM,
HTN,
CAD,
ESRD,
history
respiratory
infection,
etc.,
demographic
factors,
obesity
age
>
70
years,
they
appear
influence
rate,
especially