Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: March 8, 2024
Background
Meropenem
belongs
to
the
carbapenem
class,
which
is
categorized
as
beta-lactam
antibiotics.
These
antibiotics
are
administered
in
intermittent
bolus
doses
at
specific
time
intervals.
However,
continuous
infusion
approach
ensures
sustained
drug
exposure,
maintaining
concentration
above
minimum
inhibitory
(MIC)
throughout
entire
treatment
period.
This
study
aimed
find
out
association
between
infusions
of
meropenem
and
mortality
rates.
Materials
methods
We
conducted
a
search
PubMed/Medline,
EMBASE,
Cochrane
Central,
ClinicalTrials.gov
databases
up
14
August
2023.
The
six
randomized
controlled
trials
(RCTs)
were
identified
included
our
analysis.
random-effects
model
was
implemented
using
Comprehensive
Meta-Analysis
software
examine
outcomes.
Results
Our
total
1,529
adult
patients
from
trials.
primary
outcome
indicated
that
did
not
lead
reduction
rate
(odds
ratio
=
0.844,
95%
CI:
0.671–1.061,
P
=0.147).
Secondary
outcomes
revealed
no
significant
differences
ICU
length
stay
(LOS),
mortality,
clinical
cure,
or
adverse
events
traditional
strategies
meropenem.
Notably,
we
observed
improvements
bacterial
eradication
19
2.207,
1.467–3.320,
<
0.001)
with
also
suggested
performing
may
better
effects
resistant
pathogens
(coefficient:
2.5175,
0.0138
*
).
Conclusion
Continuous
result
rates
but
showed
potential
improving
eradication.
Furthermore,
this
strategy
be
particularly
beneficial
for
achieving
eradication,
especially
cases
involving
pathogens.
JAMA,
Journal Year:
2024,
Volume and Issue:
332(8), P. 629 - 629
Published: June 12, 2024
Importance
Whether
β-lactam
antibiotics
administered
by
continuous
compared
with
intermittent
infusion
reduces
the
risk
of
death
in
patients
sepsis
is
uncertain.
Objective
To
evaluate
whether
vs
a
antibiotic
(piperacillin-tazobactam
or
meropenem)
results
decreased
all-cause
mortality
at
90
days
critically
ill
sepsis.
Design,
Setting,
and
Participants
An
international,
open-label,
randomized
clinical
trial
conducted
104
intensive
care
units
(ICUs)
Australia,
Belgium,
France,
Malaysia,
New
Zealand,
Sweden,
United
Kingdom.
Recruitment
occurred
from
March
26,
2018,
to
January
11,
2023,
follow-up
completed
on
April
12,
2023.
were
adults
(≥18
years)
treated
piperacillin-tazobactam
meropenem
for
Intervention
Eligible
receive
an
equivalent
24-hour
dose
either
(n
=
3498)
3533)
clinician-determined
duration
treatment
until
ICU
discharge,
whichever
first.
Main
Outcomes
Measures
The
primary
outcome
was
within
after
randomization.
Secondary
outcomes
cure
up
14
randomization;
new
acquisition,
colonization,
infection
multiresistant
organism
Clostridioides
difficile
mortality;
in-hospital
mortality.
Results
Among
7202
participants,
7031
(mean
[SD]
age,
59
[16]
years;
2423
women
[35%])
met
consent
requirements
inclusion
analysis
(97.6%).
Within
days,
864
3474
(24.9%)
assigned
had
died
939
3507
(26.8%)
(absolute
difference,
−1.9%
[95%
CI,
−4.9%
1.1%];
odds
ratio,
0.91
0.81
1.01];
P
.08).
Clinical
higher
group
(1930/3467
[55.7%]
1744/3491
[50.0%],
respectively;
absolute
5.7%
2.4%
9.1%]).
Other
secondary
not
statistically
different.
Conclusions
Relevance
observed
difference
90-day
between
infusions
did
meet
statistical
significance
analysis.
However,
confidence
interval
around
effect
estimate
includes
possibility
both
no
important
clinically
benefit
use
this
patients.
Trial
Registration
ClinicalTrials.gov
Identifier:
NCT03213990
JAMA,
Journal Year:
2024,
Volume and Issue:
332(8), P. 638 - 638
Published: June 12, 2024
Importance
There
is
uncertainty
about
whether
prolonged
infusions
of
β-lactam
antibiotics
improve
clinically
important
outcomes
in
critically
ill
adults
with
sepsis
or
septic
shock.
Objective
To
determine
antibiotic
are
associated
a
reduced
risk
death
shock
compared
intermittent
infusions.
Data
Sources
The
primary
search
was
conducted
MEDLINE
(via
PubMed),
CINAHL,
Embase,
Cochrane
Central
Register
Controlled
Trials
(CENTRAL),
and
ClinicalTrials.gov
from
inception
to
May
2,
2024.
Study
Selection
Randomized
clinical
trials
comparing
(continuous
extended)
Extraction
Synthesis
extraction
bias
were
assessed
independently
by
2
reviewers.
Certainty
evidence
evaluated
the
Grading
Recommendations
Assessment,
Development
Evaluation
approach.
A
bayesian
framework
used
as
analysis
approach
frequentist
secondary
Main
Outcomes
Measures
outcome
all-cause
90-day
mortality.
Secondary
included
intensive
care
unit
(ICU)
mortality
cure.
Results
From
18
eligible
randomized
that
9108
(median
age,
54
years;
IQR,
48-57;
5961
men
[65%]),
17
(9014
participants)
contributed
data
outcome.
pooled
estimated
ratio
for
0.86
(95%
credible
interval,
0.72-0.98;
I
=
21.5%;
high
certainty),
99.1%
posterior
probability
lower
Prolonged
infusion
(risk
ratio,
0.84;
95%
0.70-0.97;
certainty)
an
increase
cure
1.16;
1.07-1.31;
moderate
certainty).
Conclusions
Relevance
Among
who
had
shock,
use
current
presents
degree
certainty
clinicians
consider
standard
management
Trial
Registration
PROSPERO
Identifier:
CRD42023399434
Annals of Intensive Care,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Feb. 18, 2024
Abstract
Background
The
two
latest
studies
on
prolonged
versus
intermittent
use
of
β-lactam
antibiotics
in
patients
with
sepsis
did
not
reach
consistent
conclusions,
further
contributing
to
the
controversy
surrounding
effectiveness
infusion
strategy.
We
conducted
a
systemic
review
and
meta-analysis
evaluate
efficacy
safety
adult
sepsis.
Methods
systematically
searched
PubMed,
EMBASE,
Cochrane
Library
databases
for
original
randomized
controlled
trials
comparing
patients.
A
random-effects
model
was
used
mortality,
clinical
success,
microbiological
adverse
events.
also
subgroup
analyses
explore
impact
various
factors
mortality
rates.
Relative
risk
(RR)
corresponding
95%
confidence
intervals
(CIs)
were
calculate
overall
effect
sizes
dichotomous
outcomes.
This
registered
PROSPERO
(CRD42023463905).
Results
assessed
15
involving
2130
In
our
comprehensive
assessment,
we
found
significant
reduction
all-cause
(RR,
0.83;
CI
0.72–0.97;
P
=
0.02)
notable
improvement
success
1.16;
1.03–1.31;
group
compared
group,
whereas
yield
statistically
results
1.10;
0.98–1.23;
0.11).
No
differences
events
observed
between
groups
0.91;
0.64–1.29;
0.60).
Additionally,
remarkable
conclusions
drawn
from
including
sample
exceeding
20
individuals
per
0.84;
95%CI
0.72–0.98;
0.03),
research
post-2010
cases
infections
predominantly
caused
by
Gram-negative
bacteria
0.81;
0.68–0.96;
0.02),
as
well
administration
loading
dose
penicillin
0.61;
0.38–0.98;
0.04).
Conclusions
Compared
infusion,
significantly
decreases
among
enhances
without
increasing
JAMA Network Open,
Journal Year:
2024,
Volume and Issue:
7(7), P. e2418234 - e2418234
Published: July 2, 2024
Importance
Current
evidence
is
conflicting
for
associations
of
extended-infusion
β-lactam
(EI-BL)
therapy
with
clinical
outcomes.
Objective
To
investigate
the
association
EI-BL
survival,
adverse
events,
and
emergence
antibiotic
resistance
in
adults
gram-negative
bloodstream
infections
(GN-BSI).
Design,
Setting,
Participants
This
cohort
study
consecutive
GN-BSI
admitted
to
24
United
States
hospitals
between
January
1,
2019,
December
31,
receiving
were
compared
same
agents
as
intermittent
infusion
(II-BL;
≤1-hour
infusions).
Statistical
analysis
was
performed
from
October
2023.
Exposures
(ie,
≥3-hour
infusion).
Main
Outcomes
Measures
II-BL
groups
underwent
1:3
nearest-neighbor
propensity
score
matching
(PSM)
without
replacement.
Multivariable
regression
applied
PSM
outcomes,
all
censored
at
day
90.
The
primary
outcome
mortality;
secondary
outcomes
included
events
(≥4-fold
increase
minimum
inhibitory
concentration
used
treat
index
GN-BSI).
Results
Among
4861
patients
included,
2547
(52.4%)
male;
median
(IQR)
age
67
(55-77)
years.
There
352
group,
1056
group.
1408
patients,
373
(26.5%)
died
by
odds
mortality
lower
group
(adjusted
ratio
[aOR],
0.71
[95%
CI,
0.52-0.97]).
In
a
stratified
analysis,
survival
benefit
only
identified
severe
illness
or
elevated
concentrations
intermediate
range
administered).
increased
catheter
complications
(aOR,
3.14
1.66-5.96])
discontinuation
because
(eg,
acute
kidney
injury,
cytopenias,
seizures)
3.66
1.68-7.95]).
Emergence
similar
2.9%
vs
7.2%,
respectively
(
P
=
.35).
Conclusions
Relevance
this
GN-BSI,
associated
reduced
those
infected
nonsusceptible
organisms;
potential
advantages
other
remain
unclear
need
be
balanced
events.
subsequent
warrants
investigation
larger
cohort.
Journal of Intensive Medicine,
Journal Year:
2024,
Volume and Issue:
4(3), P. 287 - 298
Published: Feb. 29, 2024
Effective
treatment
of
sepsis
not
only
demands
prompt
administration
appropriate
antimicrobials
but
also
requires
precise
dosing
to
enhance
the
likelihood
patient
survival.
Adequate
refers
doses
that
yield
therapeutic
drug
concentrations
at
infection
site.
This
ensures
a
favorable
clinical
and
microbiological
response
while
avoiding
antibiotic-related
toxicity.
Therapeutic
monitoring
(TDM)
is
recommended
approach
for
attaining
these
goals.
However,
TDM
universally
available
in
all
intensive
care
units
(ICUs)
antimicrobial
agents.
In
absence
TDM,
healthcare
practitioners
need
rely
on
several
factors
make
informed
decisions.
These
include
patient's
condition,
causative
pathogen,
impact
organ
dysfunction
(requiring
extracorporeal
therapies),
physicochemical
properties
antimicrobials.
this
context,
pharmacokinetics
vary
considerably
between
different
critically
ill
patients
within
same
over
course
ICU
stay.
variability
underscores
individualized
dosing.
review
aimed
describe
main
pathophysiological
changes
observed
their
It
provide
essential
practical
recommendations
may
aid
clinicians
optimizing
therapy
among
patients.
Expert Review of Anti-infective Therapy,
Journal Year:
2024,
Volume and Issue:
22(7), P. 557 - 567
Published: March 5, 2024
Our
objective
is
to
determine
whether
prolonged
infusion
(PI)
of
beta-lactam
antibiotics
yields
superior
outcomes
compared
intermittent
(II)
in
patients
with
Gram-Negative
Bacterial
(GNB)
infections.
Journal of Pharmacy Practice,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 6, 2025
Purpose:
To
provide
a
summarization
of
the
most
significant
infectious
diseases
(ID)
pharmacotherapy
articles
published
in
peer-reviewed
literature
2023.
Summary:
Members
Houston
Infectious
Diseases
Network
(HIDN)
nominated
notable
providing
contributions
to
ID
Article
nominations
included
those
pertaining
general
and
human
immunodeficiency
virus/acquired
syndrome
(HIV/AIDS)
pharmacotherapy.
Out
31
by
HIDN
members,
22
pertained
pharmacotherapy,
9
HIV/AIDS
aid
selection
2023,
survey
was
created
distributed
members
Society
Pharmacists
(SIDP).
Of
153
SIDP
who
participated
survey,
there
were
118
recorded
votes
for
top
10
55
article.
The
publications
are
summarized.
Conclusion:
Advances
antimicrobial
stewardship
disease
states
continue
occur.
Sustained
growth
publication
ID-related
over
past
year
contributed
this
review’s
aim
clinicians
remaining
current
on
potentially
practice-changing
from
This
review
provides
summary
recently
literature,
including
emphasis
stewardship,
appropriate
treatment
durations,
new
antimicrobials,
drug-resistant
organisms.
Letters in Applied Microbiology,
Journal Year:
2025,
Volume and Issue:
78(2)
Published: Feb. 1, 2025
Herbaspirillum
species
are
typically
isolated
from
plants
and
known
for
their
role
in
crop
nitrogen
fixation.
Recently,
they
have
been
found
to
colonize
humans
cause
infections.
This
study
aimed
identify
characterize
two
huttiense
strains
(CLJ01
CLJ02)
the
blood
of
a
uremic
patient,
with
focus
on
evaluating
pathogenicity
antibiotic
efficacy.
The
were
identified
using
VITEK2
system,
Matrix-Assisted
Laser
Desorption/Ionization
Time-of-Flight
Mass
Spectrometry
,
16S
rRNA
gene
sequencing,
confirming
identity
as
H.
huttiense.
High-throughput
sequencing
further
revealed
presence
resistance
arnA,
which
confers
polymyxin.
For
first
time,
was
assessed
Galleria
mellonella
infection
model.
results
demonstrated
concentration-dependent
virulence,
CLJ01
exhibiting
slightly
higher
pathogenicity.
Additionally,
meropenem
showed
significant
antimicrobial
efficacy
G.
model,
particularly
under
conditions
high
bacterial
load,
indicating
strong
therapeutic
potential.
In
conclusion,
this
provides
experimental
evidence
supporting
correct
diagnosis
treatment
Furthermore,
findings
underscore
importance
accurately
identifying
rare
pathogens
clinical
settings
effective
treatment.
Antibiotics,
Journal Year:
2025,
Volume and Issue:
14(2), P. 178 - 178
Published: Feb. 11, 2025
The
management
of
infections
caused
by
difficult-to-treat
Pseudomonas
aeruginosa
in
critically
ill
patients
poses
a
significant
challenge.
Optimal
antibiotic
therapy
is
crucial
for
patient
prognosis,
yet
the
numerous
resistance
mechanisms
P.
aeruginosa,
which
may
even
combine,
complicate
selection
an
appropriate
antibiotic.
In
this
review,
we
examine
epidemiology,
mechanisms,
risk
factors,
and
available
future
therapeutic
options,
as
well
strategies
treatment
optimization.
Finally,
propose
algorithm
to
facilitate
decision
making
based
on
patterns
specific
each
Intensive
Care
Unit.