Critical Care Medicine,
Год журнала:
2023,
Номер
51(10), С. 1306 - 1317
Опубликована: Май 18, 2023
To
determine
the
impact
of
high
doses
corticosteroids
(HDCT)
in
critically
ill
COVID-19
patients
with
nonresolving
acute
respiratory
distress
syndrome
(ARDS)
who
had
been
previously
treated
dexamethasone
as
a
standard
care.Prospective
observational
cohort
study.
Eligible
presented
ARDS
related
to
severe
coronavirus
2
infection
and
received
initial
treatment
dexamethasone.
We
compared
or
not
HDCT
during
ICU
stay,
consisting
greater
than
equal
1
mg/kg
methylprednisolone
equivalent
for
ARDS.
The
primary
outcome
was
90-day
mortality.
assessed
on
mortality
using
univariable
multivariable
Cox
regression
analysis.
Further
adjustment
confounding
variables
performed
overlap
weighting
propensity
score.
association
between
risk
ventilator-associated
pneumonia
estimated
cause-specific
proportional
hazard
model
adjusting
pre-specified
confounders.We
included
consecutive
admitted
11
ICUs
Great
Paris
area
from
September
2020
February
2021.Three
hundred
eighty-three
were
(59
group,
324
no
group).None.At
day
90,
30
59
(51%)
group
116
(35.8%)
died.
significantly
associated
unadjusted
(hazard
ratio
[HR],
1.60;
95%
CI,
1.04-2.47;
p
=
0.033)
adjusted
analysis
(adjusted
HR,
1.65;
1.03-2.63;
0.036).
an
increased
0.42;
0.15-1.16;
0.09).In
ARDS,
result
higher
The Lancet Microbe,
Год журнала:
2023,
Номер
4(3), С. e179 - e191
Опубликована: Фев. 1, 2023
BackgroundFrequent
use
of
antibiotics
in
patients
with
COVID-19
threatens
to
exacerbate
antimicrobial
resistance.
We
aimed
establish
the
prevalence
and
predictors
bacterial
infections
resistance
COVID-19.MethodsWe
did
a
systematic
review
meta-analysis
studies
co-infections
(identified
within
≤48
h
presentation)
secondary
(>48
after
outpatients
or
hospitalised
COVID-19.
searched
WHO
Research
Database
identify
cohort
studies,
case
series,
case-control
trials,
randomised
controlled
trials
populations
at
least
50
published
any
language
between
Jan
1,
2019,
Dec
2021.
Reviews,
editorials,
letters,
pre-prints,
conference
proceedings
were
excluded,
as
which
infection
was
not
microbiologically
confirmed
(or
via
nasopharyngeal
swab
only).
screened
titles
abstracts
papers
identified
by
our
search,
then
assessed
full
text
potentially
relevant
articles.
reported
pooled
doing
random-effects
meta-regression.
Our
primary
outcomes
co-infection
infection,
antibiotic-resistant
pathogens
among
laboratory-confirmed
infections.
The
study
protocol
registered
PROSPERO
(CRD42021297344).FindingsWe
included
148
362
976
patients,
done
December,
May,
5·3%
(95%
CI
3·8–7·4),
whereas
18·4%
(14·0–23·7).
42
(28%)
comprehensive
data
for
Among
people
infections,
proportion
that
resistant
antimicrobials
60·8%
38·6–79·3),
isolates
37·5%
(26·9–49·5).
Heterogeneity
organisms
substantial
(I2=95%).InterpretationAlthough
infrequently
assessed,
is
highly
prevalent
Future
research
surveillance
assessing
effect
on
patient
population
level
are
urgently
needed.FundingWHO.
Journal of Infection,
Год журнала:
2022,
Номер
85(1), С. 57 - 63
Опубликована: Май 21, 2022
To
determine
the
incidence
and
characteristics
of
superinfections
in
mechanically
ventilated
COVID-19
patients,
impact
dexamethasone
as
standard
therapy.This
multicentre,
observational,
retrospective
study
included
patients
≥
18
years
admitted
from
March
1st
2020
to
January
31st
2021
with
infection
who
received
mechanical
ventilation.
Patient
characteristics,
clinical
therapy
survival
were
examined.155/156
(115
men,
mean
age
62
years,
range
26-84
years)
included.
67
(43%)
had
90
superinfections,
pneumonia
dominated
(78%).
Superinfections
associated
receiving
(66%
vs
32%,
p<0.0001),
autoimmune
disease
(18%
5.7%,
p<0.016)
longer
ICU
stays
(26
17
days,
p<0,001).
Invasive
fungal
infections
reported
exclusively
dexamethasone-treated
[8/67
(12%)
0/88
(0%),
p<0.0001].
Unadjusted
90-day
did
not
differ
between
or
without
(64%
73%,
p=0.25),
but
was
lower
versus
(58%
78%,
p=0.007).
In
multiple
regression
analysis,
superinfection
use
[OR
3.7
(1.80-7.61),
p<0.001],
pre-existing
3.82
(1.13-12.9),
p=0.031]
length
stay
1.05
p<0.001].In
critically
ill
care
strongly
independently
superinfections.
Nature Communications,
Год журнала:
2022,
Номер
13(1)
Опубликована: Март 9, 2022
Abstract
Acute
bacterial
infections
are
often
treated
empirically,
with
the
choice
of
antibiotic
therapy
updated
during
treatment.
The
effects
such
rapid
switching
on
evolution
resistance
in
individual
patients
poorly
understood.
Here
we
find
that
low-frequency
mutations
emerge,
contract,
and
even
go
to
extinction
within
days
changes
therapy.
We
analyzed
Pseudomonas
aeruginosa
populations
sputum
samples
collected
serially
from
7
mechanically
ventilated
at
onset
respiratory
infection.
Combining
short-
long-read
sequencing
phenotyping
420
isolates
revealed
while
new
near-clonal,
reflecting
a
recent
colonization
bottleneck,
could
emerge
low
frequencies
then
measured
vivo
select
intact
resistance-targeted
deep
amplicon
(RETRA-Seq),
which
rare
not
detected
by
clinically
used
culture-based
methods
can
increase
nearly
40-fold
over
5–12
response
changes.
Conversely,
conferring
antibiotics
administered
diminish
extinction.
Our
results
underscore
how
shapes
dynamics
short
time
scales,
findings
provide
possibility
for
driving
early
stages
infection
designing
patient-specific
cycling
strategies
informed
genomic
surveillance.
To
assess
the
impact
of
treatment
with
steroids
on
incidence
and
outcome
ventilator-associated
pneumonia
(VAP)
in
mechanically
ventilated
COVID-19
patients.Propensity-matched
retrospective
cohort
study
from
February
24
to
December
31,
2020,
4
dedicated
Intensive
Care
Units
(ICU)
Lombardy
(Italy).Adult
consecutive
patients
were
subdivided
into
two
groups:
(1)
treated
low-dose
corticosteroids
(dexamethasone
6
mg/day
intravenous
for
10
days)
(DEXA+);
(2)
not
(DEXA-).
A
propensity
score
matching
procedure
(1:1
ratio)
identified
patients'
cohorts
based
on:
age,
weight,
PEEP
Level,
PaO2/FiO2
ratio,
non-respiratory
Sequential
Organ
Failure
Assessment
(SOFA)
score,
Charlson
Comorbidity
Index
(CCI),
C
reactive
protein
plasma
concentration
at
admission,
sex
admission
hospital
(exact
matching).Dexamethasone
days
admission.Seven
hundred
thirty-nine
included,
propensity-score
groups
158
subjects
each.
Eighty-nine
(56%)
DEXA+
versus
55
(34%)
DEXA-
developed
a
VAP
(RR
1.61
(1.26-2.098),
p
=
0.0001),
after
similar
time
hospitalization,
ICU
intubation.
had
higher
crude
rate
(49.58
(49.26-49.91)
vs.
31.65
(31.38-31.91)VAP*1000/pd),
(IRR
1.57
(1.55-1.58),
<
0.0001)
risk
(HR
1.81
(1.31-2.50),
0.0003),
longer
LOS
invasive
mechanical
ventilation
but
mortality
1.17
(0.85-1.63),
0.3332).
VAPs
similarly
due
G+
bacteria
(mostly
Staphylococcus
aureus)
G-
Enterobacterales).
Forty-one
(28%)
multi-drug
resistant
bacteria.
was
associated
almost
doubled
ventilation,
increased
1.64
[1.02-2.65],
0.040)
no
differences
among
groups.Critically
ill
are
high
VAP,
frequently
caused
by
multidrug-resistant
bacteria,
is
corticosteroid
treatment.NCT04388670,
retrospectively
registered
May
14,
2020.
Journal of Clinical Medicine,
Год журнала:
2023,
Номер
12(4), С. 1298 - 1298
Опубликована: Фев. 6, 2023
Introduction:
Ventilator-associated
pneumonia
(VAP)
incidence
is
high
among
critically
ill
COVID-19
patients.
Its
attributable
mortality
remains
underestimated,
especially
for
unresolved
episodes.
Indeed,
the
impact
of
therapeutic
failures
and
determinants
that
potentially
affect
are
poorly
evaluated.
We
assessed
prognosis
VAP
in
severe
cases
relapse,
superinfection,
treatment
failure
on
60-day
mortality.
Methods:
evaluated
a
multicenter
prospective
cohort
included
adult
patients
with
COVID-19,
who
required
mechanical
ventilation
≥48
h
between
March
2020
June
2021.
investigated
risk
factors
30-day
mortality,
associated
failure.
Results:
Among
1424
admitted
to
eleven
centers,
540
were
invasively
ventilated
48
or
more,
231
had
episodes,
which
caused
by
Enterobacterales
(49.8%),
P.
aeruginosa
(24.8%),
S.
aureus
(22%).
The
rate
was
45.6/1000
ventilator
days,
cumulative
at
Day
30
60%.
increased
duration
without
modifying
crude
death
(47.6%
vs.
44.7%
VAP)
resulted
36%
increase
hazard.
Late-onset
represented
179
episodes
(78.2%)
responsible
56%
rates
relapse
superinfection
45%
39.5%,
respectively,
but
did
not
Superinfection
more
frequently
related
ECMO
first
episode
non-fermenting
bacteria.
an
absence
highly
susceptible
microorganisms
vasopressor
need
onset.
Conclusions:
VAP,
mainly
late-onset
death,
similar
observed
other
mechanically
due
difficult-to-treat
microorganisms,
pharmacokinetic
alterations
induced
renal
replacement
therapy,
shock,
likely
explains
Critical Care Medicine,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 21, 2025
Objectives:
Ventilator-associated
lower
respiratory
tract
infections
(VALRTIs)
are
among
the
most
common
ICU-acquired
in
patients
receiving
invasive
mechanical
ventilation
(IMV).
Immunocompromised
may
have
a
incidence
of
VALRTI
when
compared
with
nonimmunocompromised
patients,
but
influence
type
immunosuppression
on
epidemiology
has
not
been
investigated.
The
study
objectives
were
to
assess
association
incidence,
microbiology,
and
outcomes
(ICU
mortality,
ICU
length
stay,
duration
IMV)
related
bacterial
pathogens.
Design:
Multicenter,
international
retrospective
cohort
study.
Setting:
One
hundred
eighteen
ICUs
(118)
nine
countries.
Patients:
Eight
fifty-four
immunocompromised
adult
(median
age,
65
yr;
57.6%
males)
requiring
IMV
for
greater
than
48
hours,
including
162
hematologic
malignancies.
Interventions:
None.
Measurements
Main
Results:
Patients
malignancies
had
28-day
cumulative
other
types
(13.6%
vs.
20.1%;
adjusted
cause-specific
hazard
ratio,
0.61;
95%
CI,
0.37–0.97),
mostly
due
ventilator-associated
pneumonia
(9.3%
13.9%).
proportion
cases
multidrug-resistant
bacteria
was
similar
between
groups.
Occurrence
associated
an
increased
mortality
longer
this
effect
independent
immunosuppression.
Conclusions:
immunosuppression,
mainly
pneumonia.
Abstract
Rationale
Early
corticosteroid
treatment
is
used
to
treat
COVID-19-related
acute
respiratory
distress
syndrome
(ARDS).
Infection
a
well-documented
adverse
effect
of
therapy.
Objectives
To
determine
whether
early
therapy
COVID-19
ARDS
was
associated
with
ventilator-associated
pneumonia
(VAP).
Methods
We
retrospectively
included
adults
COVID-19-ARDS
requiring
invasive
mechanical
ventilation
(MV)
for
≥
48
h
at
any
15
intensive
care
units
in
2020.
divided
the
patients
into
two
groups
based
on
they
did
or
not
receive
corticosteroids
within
24
h.
The
primary
outcome
VAP
incidence,
death
and
extubation
as
competing
events.
Secondary
outcomes
were
day
90-mortality,
MV
duration,
other
organ
dysfunctions,
characteristics.
Measurements
main
results
Of
670
(mean
age,
65
years),
369
301
corticosteroids.
cumulative
incidence
higher
(adjusted
hazard
ratio
[aHR]
1.29;
95%
confidence
interval
[95%
CI]
1.05–1.58;
P
=
0.016).
Antibiotic
resistance
bacteria
different
between
(odds
0.94,
CI
0.58–1.53;
0.81).
90-day
mortality
30.9%
24.3%
without
corticosteroids,
nonsignificant
difference
after
adjustment
SOFA
score,
occurrence
(aHR
1.15;
0.83–1.60;
0.411).
1.86;
1.33–2.61;
0.0003).
Conclusions
COVID-19-ARDS.
Although
mortality,
not.
Longitudinal
randomized
controlled
trials
are
warranted.
Biomedicines,
Год журнала:
2022,
Номер
10(6), С. 1226 - 1226
Опубликована: Май 24, 2022
Patients
with
coronavirus
disease
2019
(COVID-19)
have
an
increased
risk
of
ventilator-associated
pneumonia
(VAP).
This
systematic
review
updates
information
on
the
causative
agents
VAP
and
resistance
to
antibiotics
in
COVID-19
patients.
We
searched
Cochrane
Central
Register
Controlled
Trials
(CENTRAL),
PubMed/MEDLINE,
LILACS
databases
from
December
2021.
Studies
that
described
frequency
pathogens
associated
their
antibiotic
patterns
critically
ill
adult
patients
were
included.
The
Newcastle-Ottawa
Quality
Assessment
Scale
was
used
for
critical
appraisal.
data
are
presented
according
number
or
proportions
reported
studies.
A
total
25
articles
included,
involving
2766
cases
(range
5-550
cases).
Most
studies
included
carried
out
France
(32%),
Italy
(20%),
Spain
(12%)
United
States
(8%).
Gram-negative
bacteria
most
frequent
incidences
studies:
P.
aeruginosa
7.5-72.5%,
K.
pneumoniae
6.9-43.7%,
E.
cloacae
1.6-20%
A.
baumannii
1.2-20%).
S.
aureus
Gram-positive
pathogen,
a
range
incidence
3.3-57.9%.
median
Aspergillus
spp.
6.4%.
Few
recorded
susceptibility
among
mainly
extended-spectrum
beta-lactamase
(ESBL),
AmpC,
carbapenem
resistance.
methicillin
isolates
44.4%.
Our
study
provides
first
comprehensive
description
VAP.
common
causing
Data
published
medical
literature
limited,
as
well
about
low-
middle-income
countries.
Annals of Intensive Care,
Год журнала:
2021,
Номер
11(1)
Опубликована: Дек. 1, 2021
Patients
infected
with
the
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-COV
2)
and
requiring
intensive
care
unit
(ICU)
have
a
high
incidence
of
hospital-acquired
infections;
however,
data
regarding
hospital
acquired
bloodstream
infections
(BSI)
are
scarce.
We
aimed
to
investigate
risk
factors
outcome
BSI
in
critically
ill
infectious
disease-19
(COVID-19)
patients.We
performed
an
ancillary
analysis
multicenter
prospective
international
cohort
study
(COVID-ICU
study)
that
included
4010
COVID-19
ICU
patients.
For
present
analysis,
only
those
primary
(death
within
90
days
from
admission)
or
status
were
included.
Risk
for
analyzed
using
Fine
Gray
competing
model.
Then,
comparison,
537
BSI-patients
matched
controls
propensity
score
matching.Among
patients,
780
(19.5%)
total
1066
(10.3
per
1000
patients
at
risk)
whom
92%
ICU.
Higher
SAPS
II,
male
gender,
longer
time
admission
antiviral
drug
before
independently
associated
increased
BSI,
interestingly,
this
decreased
over
time.
was
shorter
death
overall
population
(adjusted
hazard
ratio
(aHR)
1.28,
95%
CI
1.05-1.56)
and,
set,
had
higher
mortality
rate
(39%
vs
33%
p
=
0.036).
accounted
3.6%
population.COVID-19
especially
early
after
admission,
increases
severity
but
not
corticosteroids
use.
is
rate.