Journal of Clinical Medicine,
Journal Year:
2023,
Volume and Issue:
12(21), P. 6913 - 6913
Published: Nov. 3, 2023
Background:
The
role
of
tailored
immunosuppression
(IS)
in
the
development
humoral
response
(HR)
to
SARS-CoV-2
mRNA-based
vaccination
liver
transplant
(LT)
recipients
is
unknown.
Methods:
This
a
single-centre
prospective
study
patients
who
underwent
LT
between
January
2015
and
December
2021
have
received
three
doses
vaccination.
Patients
undergoing
Tacrolimus-based
(TAC-IS)
were
compared
with
those
Everolimus-based
(EVR-IS).
receiving
TAC-EVR
combination
divided
into
two
groups
based
on
trough
TAC
concentrations,
i.e.,
above
or
below
5
ng/mL.
HR
(analysed
ECLIA)
was
assessed
at
30
135
days
after
primary
outcome
presence
positive
antibody
titre
(≥0.8
U/mL).
Secondary
outcomes
highly
protective
(≥142
U/mL),
median
titre,
incidence
COVID-19.
Results:
Sixty-one
participants
included.
Twenty-four
(40%)
TAC-IS
thirty-seven
(60%)
EVR-IS.
At
follow-up
116
(range:
89-154)
days,
there
no
significant
differences
(95.8%
vs.
94.6%;
p
=
0.8269),
highly-protective
(83.3%
81.1%;
0.8231),
(2410
[IQ
range
350-2500]
1670
380-2500];
0.9450),
COVID-19
(0%
5.4%;
0.5148).
High
serum
creatinine
low
estimated
glomerular
filtration
rate
risk
factors
for
weak
absent
HR.
Conclusions:
Three
yielded
recipients.
use
EVR-based
IS
does
not
appear
influence
while
renal
disease
factor
null
Frontiers in Immunology,
Journal Year:
2022,
Volume and Issue:
13
Published: June 23, 2022
Background
Despite
the
high
level
of
protection
against
severe
COVID-19
provided
by
currently
available
vaccines
some
breakthrough
infections
occur.
Until
now,
there
is
no
information
whether
a
potential
risk
infection
can
be
inferred
from
antibodies
after
booster
vaccination.
Methods
Levels
binding
and
neutralization
capacity
first,
one
six
month
second,
third
(booster)
vaccination
were
measured
in
serum
samples
1391
healthcare
workers
at
University
Hospital
Essen.
Demographics,
scheme,
pre-infection
antibody
titers
compared
between
individuals
with
without
infections.
Results
The
developing
an
Omicron
was
independent
sex,
body
mass
index,
smoking
status
or
pre-existing
conditions.
In
participants
low
anti-spike
(≤
2641.0
BAU/ml)
weaker
65.9%)
for
10-fold
increased
(
P
=
0.001;
95%
confidence
interval,
2.36
-
47.55).
Conclusion
Routine
testing
anti-SARS-CoV-2
IgG
surrogate
virus
quantify
vaccine-induced
humoral
immune
response
may
help
to
identify
subjects
who
are
infection.
establishment
thresholds
SARS-CoV-2
levels
identifying
“non”-,
“low”
“high”-responders
used
as
indication
re-vaccination.
Viruses,
Journal Year:
2022,
Volume and Issue:
14(12), P. 2778 - 2778
Published: Dec. 13, 2022
Vaccination
against
SARS-CoV-2
has
become
a
central
public
health
issue,
primarily
for
vulnerable
populations
such
as
individuals
with
Chronic
Liver
Disease
(CLD).
Increased
COVID-19-related
mortality
and
disease
severity
been
noted
in
this
subgroup
of
patients.
Severe
COVID-19
tends
to
further
deregulate
liver
function
patients
chronic
failure
or
cirrhosis
even
reactivate
hepatitis
people
living
HBV
HCV.
In
addition,
impaired
hepatic
leads
several
limitations
possible
therapeutic
interventions.
dysregulation,
along
the
underlying
cirrhosis-associated
immune
dysfunction
(CAID),
decreased
response
vaccination
that,
turn,
may
result
reduced
efficacy
rates
lowered
lasting
protection.
According
current
guidelines,
timely
frequent
booster
shot
administration
are
deemed
necessary
context.
Vaccination-related
adverse
events
mostly
mild
nature
similar
those
reported
general
population,
whereas
incidence
injury
following
is
relatively
rare.
We
aimed
review
available
evidence
recommendations
associated
disease,
provide
insight
issues
future
directions.
Vaccines,
Journal Year:
2022,
Volume and Issue:
10(8), P. 1281 - 1281
Published: Aug. 8, 2022
Background:
LC
has
been
associated
with
hyporesponsiveness
to
several
vaccines.
Nonetheless,
no
data
on
complete
serological
and
B-
T-cell
immune
response
are
currently
available.
Aims:
To
assess,
in
comparison
healthy
controls
of
the
same
age
gender,
both
humoral
cellular
immunoresponses
patients
after
two
or
three
doses
mRNA
Pfizer-BioNTech
vaccine
against
SARS-CoV-2
investigate
clinical
features
non-response.
Material
methods:
179
CTP
class
A
93.3%
viral
etiology
70.1%
cases
were
longitudinally
evaluated
starting
from
day
before
first
dose
4
weeks
booster
dose.
Their
antibody
responses
compared
those
healthcare
workers
without
co-morbidities.
In
a
subgroup
40
patients,
also
controls.
Results:
At
d31,
d90
d180
BNT162b2
vaccine,
detectable
IgG
was
observed
5.9%,
3.9%
7.2%
as
0
(p
<
0.03).
delay
B-cell
lack
prompt
registered.
significant
correlation
between
titers
observed.
MELD
score
>
8
only
independent
predictor
poor
d31
=
0.028).
Conclusions:
Our
results
suggest
that
cirrhotic
have
slower
<10%
suboptimal
vaccination.
Rates
breakthrough
infections
comparable
cirrhotics
The
critical
inducing
Gut and Liver,
Journal Year:
2022,
Volume and Issue:
17(1), P. 12 - 23
Published: Dec. 2, 2022
The
impact
of
the
coronavirus
disease
2019
(COVID-19)
pandemic
has
been
immense,
and
it
continues
to
have
lasting
repercussions.While
severe
acute
respiratory
syndrome
2
(SARS-CoV-2)
virus
primarily
infects
system,
other
organ
systems
are
affected,
including
liver.Scientific
knowledge
on
role
SARS-CoV-2
infection
liver
injury
evolved
rapidly,
with
recent
data
suggesting
specific
hepatotropism
SARS-CoV-2.Moreover,
additional
concerns
raised
in
regard
long-term
damage,
related
emerging
cases
post-COVID-19
cholangiopathy
chronic
cholestasis.Great
effort
also
focused
studying
how
subpopulations
medical
conditions
might
be
disproportionately
impacted
by
COVID-19.One
such
population
includes
individuals
(CLD)
cirrhosis,
an
expanding
body
research
indicating
these
patients
being
particularly
susceptible
adverse
outcomes.In
this
review,
we
provide
updated
summary
current
pathogenesis
mechanism
setting
infection,
association
between
health
outcomes
CLD,
unique
consequences
COVID-19
routine
care
CLD.(Gut
Liver
World Journal of Gastroenterology,
Journal Year:
2023,
Volume and Issue:
29(26), P. 4099 - 4119
Published: July 6, 2023
Coronavirus
disease
2019
(COVID-19)
has
several
extrapulmonary
symptoms.
Gastrointestinal
(GI)
symptoms
are
among
the
most
frequent
clinical
manifestations
of
COVID-19,
with
severe
consequences
reported
in
elderly
patients.
Furthermore,
impact
COVID-19
on
patients
pre-existing
digestive
diseases
still
needs
to
be
fully
elucidated,
particularly
older
population.
This
review
aimed
investigate
GI
tract,
liver,
and
pancreas
individuals
without
previous
diseases,
a
particular
focus
elderly,
highlighting
distinctive
characteristics
observed
this
Finally,
effectiveness
adverse
events
anti-COVID-19
vaccination
disorders
peculiarities
found
discussed.
United European Gastroenterology Journal,
Journal Year:
2024,
Volume and Issue:
12(3), P. 339 - 351
Published: Jan. 27, 2024
Abstract
Background
In
the
third
year
of
SARS‐CoV‐2
pandemic,
little
is
known
about
vaccine‐
and
infection‐induced
immune
response
in
liver
transplant
recipients
(LTR)
cirrhosis
patients
(LCP).
Objective
This
cross‐sectional
study
assessed
vaccination
coverage,
infection
rate,
resulting
humoral
cellular
SARS‐CoV‐2‐specific
responses
a
cohort
LTR
LCP
at
University
Medical
Center
Hamburg‐Eppendorf,
Germany
between
March
May
2023.
Methods
Clinical
laboratory
data
from
244
consecutive
(160
84
LCP)
were
collected
via
chart
review
patient
survey.
Immune
determined
standard
spike(S)‐
nucleocapsid‐protein
serology
spike‐specific
Interferon‐gamma
release
assay
(IGRA).
Results
On
average,
vaccinated
3.7
3.3
times,
respectively
59.4%
received
≥4
vaccinations.
Altogether,
68.1%
(109/160)
70.2%
(59/84)
experienced
infection.
Most
infections
occurred
during
Omicron
wave
2022
after
an
average
3.0
Overall,
hospitalization
rate
was
low
(<6%)
both
groups.
An
4.3
antigen
contacts
by
and/or
resulted
seroconversion
98.4%.
However,
17.5%
(28/160)
8.3%
(7/84)
demonstrated
only
anti‐S
titers
(<1000
AU/ml),
24.6%
(16/65)
20.4%
(10/59)
had
negative
or
IGRA
responses.
Patients
with
hybrid
immunity
(vaccination
plus
infection)
elicited
significantly
higher
compared
uninfected
same
number
spike
contacts.
A
total
22.2%
refused
additional
booster
Conclusion
By
spring
2023,
high
coverage
have
robust,
mostly
hybrid,
most
LCP.
vaccinations
vaccines
covering
new
variants
seem
advisable,
especially
risk
factors
for
severe
disease.
Journal of Gastrointestinal and Liver Diseases,
Journal Year:
2024,
Volume and Issue:
33(1), P. 7 - 10
Published: March 29, 2024
Patients
with
chronic
liver
diseases
(CLD)
were
considered
to
be
in
peril
during
the
initial
stages
of
Coronavirus
disease
(Covid-19)
pandemic.
Progression
course
pandemic,
however
indicated
that
risk
severe
and
mortality
differed,
based
on
cause
hepatic
disease.
suffering
from
Alcoholic
or
cirrhosis
confirmed
at
an
increased
by
numerous
studies,
while
was
not
case
for
HBV
affected
individuals
transplant
recipients.
The
grade
fibrosis
seemed
decisive
factor
severity
Covid-19
infection
HCV
infected
individuals.
Results
are
conflicting
patients
metabolic-
associated
steatotic
(MASLD)
insufficient
those
autoimmune