medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2022,
Volume and Issue:
unknown
Published: Dec. 6, 2022
Abstract
Background
The
reference
standard
in
studies
on
delirium
assessment
tools
is
usually
based
the
clinical
judgement
of
only
one
expert,
and
may
be
concise,
unstandardized,
or
not
specified
at
all.
This
multicenter
study
investigated
performance
Delirium
Interview,
a
new
for
tools,
allowing
classification
written
reports.
Methods
We
tested
diagnostic
accuracy
our
standardized
Interview
by
comparing
assessments
reported
results
with
live
assessments.
Our
reference,
assessment,
was
performed
two
experts
well-trained
researcher
who
registered
results.
Their
compared
majority
vote
three
other
independent
judged
rapportage
Interview.
total
pool
consisted
13
an
average
13±8
years
experience.
Results
included
98
patients
(62%
male,
mean
age
69±12
years),
whom
56
(57%)
Intensive
Care
Units
(ICU)
patients,
22
(39%)
Richmond
Agitation
Sedation
Scale
(RASS)<0
26
(27%)
non-verbal
overall
prevalence
28%.
had
sensitivity
89%
(95%
Confidence
Interval
(CI):
71-98%)
specificity
82%
(95%CI:
71-90%),
to
diagnosis
panel
examined
themselves.
Negative
positive
predictive
values
were
95%
86-0.99%)
respectively
66%
49-80%).
Stratification
into
ICU
non-ICU
yielded
similar
Conclusion
feasible
method
large
cohorts
evaluating
since
could
assess
high
without
seeing
patient
bedside.
Impact
Statement
certify
that
this
work
novel
because
we
propose
tools.
It
developed
extensive
dialogue
multiple
from
different
specialties
(geriatrics,
psychiatry,
neurology,
neuropsychology,
critical
care
medicine,
nursing),
composed
previously
validated
tests.
its
approach
providing
logistically
serves
as
accurate
standard.
Key
point
box
-
paper
proposes
used
departments.
expert
three,
accounting
known
disagreement
delirium.
71-90%)
being
present
Why
does
matter?
major
healthcare
problem
associated
longer
hospital
duration
increased
costs.
Recognition
essential
treatment
underlying
conditions
optimal
communication
affected
patients.
heterogeneous
population,
including
low
consciousness
intubated
methodology
efficient
cohorts,
found
diagnose
Frontiers in Aging Neuroscience,
Journal Year:
2023,
Volume and Issue:
15
Published: Nov. 29, 2023
Cognitive
impairments,
such
as
learning
and
memory
deficits,
may
occur
in
susceptible
populations
including
the
elderly
patients
who
are
chronically
ill
or
have
experienced
stressful
events,
surgery,
infection,
trauma.
Accumulating
lines
of
evidence
suggested
that
peripheral
inflammation
featured
by
recruitment
immune
cells
release
pro-inflammatory
cytokines
be
activated
during
aging
these
conditions,
participating
system-brain
communication.
Lots
progress
has
been
achieved
deciphering
core
bridging
mechanism
connecting
cognitive
which
helpful
developing
early
diagnosis,
prognosis
evaluation,
prevention
methods
based
on
blood
circulation
system
sampling
intervention.
In
this
review,
we
summarized
evolving
prevalence
inflammation-associated
neurocognitive
impairments
discussed
research
advances
underlying
mechanisms.
We
also
highlighted
treatment
strategies
against
dysfunction.
Neurotherapeutics,
Journal Year:
2023,
Volume and Issue:
20(4), P. 975 - 1000
Published: July 1, 2023
As
of
2022,
individuals
age
65
and
older
represent
approximately
10%
the
global
population
[1],
adults
make
up
more
than
one
third
anesthesia
surgical
cases
in
developed
countries
[2,
3].
With
>
234
million
major
procedures
performed
annually
worldwide
[4],
this
suggests
that
70
surgeries
are
on
across
globe
each
year.
The
most
common
postoperative
complications
seen
these
patients
perioperative
neurocognitive
disorders
including
delirium,
which
associated
with
an
increased
risk
for
mortality
[5],
greater
economic
burden
[6,
7],
developing
long-term
cognitive
decline
[8]
such
as
Alzheimer's
disease
and/or
related
dementias
(ADRD).
Thus,
anesthesia,
surgery,
hospitalization
have
been
viewed
a
biological
"stress
test"
aging
brain,
delirium
indicates
failed
stress
test
consequent
later
(see
Fig.
3).
Further,
it
has
hypothesized
interventions
prevent
might
reduce
decline.
Recent
advances
suggest
rather
waiting
development
to
indicate
whether
patient
"passed"
or
"failed"
test,
status
brain
can
be
monitored
real-time
via
electroencephalography
(EEG)
period.
Beyond
traditional
intraoperative
use
EEG
monitoring
anesthetic
titration,
may
viable
tool
identifying
waveforms
indicative
reduced
integrity
potential
In
principle,
research
incorporating
routine
provide
insight
into
neuronal
patterns
dysfunction
decline,
even
specific
types
aging-related
neurodegenerative
pathology.
This
would
accelerate
our
understanding
necessitate
diagnostic
workup
intervention
period,
could
potentially
dementia
risk.
here
we
present
recommendations
"predictor"
patients.
Frontiers in Neurology,
Journal Year:
2024,
Volume and Issue:
15
Published: Feb. 6, 2024
Background
Delirium
seriously
affects
the
prognosis
of
patients
and
greatly
reduces
ability
to
work
live.
Peripheral
inflammatory
events
may
contribute
development
delirium,
mechanism
which
is
still
unclear.
There
a
lack
effective
diagnostic
treatments
for
delirium
in
clinical
practice.
The
study
aims
investigate
alterations
peripheral
immune
cell
subsets
under
stress
explore
causal
associations
with
delirium.
Methods
Single-cell
transcriptional
sequencing
data
human
blood
mononuclear
cells
(PBMC)
before
after
lipopolysaccharide
(LPS)
intervention
were
processed
by
Seurat
package
R
software.
PBMC
cellular
markers
defined
downscaling
clustering
Harmony
algorithm
identify
characteristic
context
stress.
Subsequently,
two-sample
Mendelian
randomization
(MR)
was
used
these
inflammation-related
their
molecular
phenotypes
Based
on
publicly
available
genetic
data,
incorporated
70
PBMC-associated
traits,
including
8
types
circulating
cells,
33
B
phenotypes,
13
T
subsets,
16
cell-associated
cytokines.
results
also
validated
robustness,
heterogeneity,
horizontal
pleiotropy.
Results
Under
LPS-induced
stress,
monocytes,
dendritic
showed
significant
activation
quantitative
changes.
Of
these,
only
lymphocyte
counts
causally
associated
risk.
This
risk
link
seen
TNF
pathway.
Further
studies
revealed
that
this
association
be
related
unswitched
memory
CD27
expressed
cells.
Annotation
screened
SNPs
polymorphisms
CD40
annotated
rs25680
rs9883798,
respectively.
functions
key
genes
regulation
responses,
differentiation,
proliferation,
intercellular
interactions.
Conclusion
present
potential
possibility
cell,
subset,
TNF-related
molecules
involved
due
inflammation,
can
provide
clues
further
investigation
prevention
treatment
strategies.
Cureus,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 2, 2024
Postoperative
delirium
(POD)
and
neurocognitive
disorders
(NCDs)
are
common
serious
complications
that
can
occur
after
surgery,
particularly
in
older
adults
those
with
preexisting
cognitive
impairments.
These
conditions
associated
significant
morbidity,
increased
healthcare
costs,
reduced
quality
of
life.
Understanding
the
underlying
mechanisms,
risk
factors,
effective
management
strategies
for
POD
NCDs
is
critical
improving
patient
outcomes
reducing
burden
on
systems.
This
comprehensive
review
aims
to
synthesize
current
knowledge
pathophysiology,
NCDs.
It
explores
neurobiological
molecular
mechanisms
contributing
these
conditions,
identifies
patient-related,
surgical,
environmental
factors
increase
risk,
evaluates
pharmacological
non-pharmacological
approaches
prevention
treatment.
A
thorough
literature
was
conducted
using
recent
studies,
clinical
guidelines,
expert
consensus
provide
a
detailed
overview
presentation,
prevention,
The
pathophysiology
involves
complex
interactions
between
neuroinflammatory
processes,
neurotransmitter
imbalances,
brain
network
disruptions.
Risk
include
advanced
age,
impairment,
type
duration
perioperative
complications.
Management
emphasize
multidisciplinary
approach,
incorporating
preoperative
optimization,
careful
intraoperative
management,
postoperative
interventions.
Pharmacological
treatments,
such
as
antipsychotics,
approaches,
including
modifications
rehabilitation,
play
crucial
roles
management.
multifactorial
impacts
surgical
outcomes.
Effective
requires
understanding
their
implementation
targeted
treatment
strategies.
Future
research
should
focus
personalized
treatment,
further
elucidation
developing
predictive
models
enhance
care
patients
at
Current Opinion in Critical Care,
Journal Year:
2024,
Volume and Issue:
30(2), P. 151 - 156
Published: Feb. 2, 2024
Purpose
of
review
The
rising
prevalence
neurodegenerative
and
mental
disorders,
combined
with
the
challenges
posed
by
their
frailty,
has
presented
intensivists
complex
issues
in
intensive
care
unit
(ICU).
This
article
explores
specific
aspects
for
patients
catatonia,
Parkinson's
disease
(PD),
dementia
within
context
ICU,
shedding
light
on
recent
developments
these
fields.
Recent
findings
Catatonia,
a
neuropsychiatric
syndrome
potentially
life-threatening
forms,
remains
underdiagnosed,
its
etiologies
are
diverse.
PD
ICU
present
unique
related
to
admission
criteria,
dopaminergic
treatment,
respiratory
care.
Dementia
increases
risk
delirium.
Delirium
is
associated
long-term
cognitive
impairment
dementia.
Summary
While
evidence
lacking,
further
research
needed
guide
treatment
comorbidities.
Alzheimer s & Dementia,
Journal Year:
2024,
Volume and Issue:
20(4), P. 2861 - 2872
Published: March 7, 2024
Abstract
BACKGROUND
Structural
disconnectivity
was
found
to
precede
dementia.
Global
white
matter
abnormalities
might
also
be
associated
with
postoperative
delirium
(POD).
METHODS
We
recruited
older
patients
(≥65
years)
without
dementia
that
were
scheduled
for
major
surgery.
Diffusion
kurtosis
imaging
metrics
obtained
preoperatively,
after
3
and
12
months
postoperatively.
calculated
fractional
anisotropy
(FA),
mean
diffusivity
(MD),
(MK),
free
water
(FW).
A
structured
validated
assessment
performed
twice
daily.
RESULTS
Of
325
patients,
53
developed
POD
(16.3%).
Preoperative
global
MD
(standardized
beta
0.27
[95%
confidence
interval
[CI]
0.21–0.32]
p
<
0.001)
higher
in
POD.
MK
(−0.07
CI
−0.11
(−0.04)]
FA
(0.07
−0.10
lower.
When
correcting
baseline
diffusion,
lower
(0.05
−0.08
(−0.03)]
0.001;
n
=
183)
(0.28
0.20–0.35]
45)
among
DISCUSSION
structural
lead
depletion
Frontiers in Aging Neuroscience,
Journal Year:
2023,
Volume and Issue:
15
Published: June 29, 2023
POD
places
a
heavy
burden
on
the
healthcare
system
as
number
of
elderly
people
undergoing
surgery
is
increasing
annually
because
aging
population.
As
large
country
with
severely
population,
China's
population
has
reached
267
million.
There
been
no
summary
analysis
pooled
incidence
in
Chinese
population.Systematic
search
databases
included
PubMed,
Web
Science,
EMBASE,
Cochrane
Library
Databases,
China
Knowledge
Resource
Integrated
Database
(CNKI),
Biomedical
(CBM),
WanFang
Database,
and
Science
Technology
Periodicals
(VIP).
The
retrieval
time
ranged
from
database's
establishment
to
February
8,
2023.
delirium
after
non-cardiac
was
calculated
using
random
effects
model.
Meta-regression,
subgroup,
sensitivity
analyses
were
used
explore
source
heterogeneity.A
total
52
studies
met
inclusion
criteria,
involving
18,410
participants.
18.6%
(95%
CI:
16.4-20.8%).
meta-regression
results
revealed
anesthesia
method
year
publication
heterogeneity.
In
subgroup
analysis,
gender
19.6%
16.9-22.3%)
males
18.3%
15.7-20.9%)
females.
20.3%
17.4-23.3%)
2018
14.6
11.6-17.6%)
before.
surgical
types,
hip
fracture
20.7%
17.6-24.3%),
18.4%
11.8-25.1%),
orthopedic
16.6%
11.8-21.5%),
abdominal
neoplasms
14.3%
7.6-21.1%);
13.9%
6.4-21.4%).
methods
21.5%
17.9-25.1%)
for
general
anesthesia,
15.0%
10.6-19.3%)
intraspinal
8.3%
regional
anesthesia.
measurement
tool
19.3%
16.7-21.9%)
CAM
16.8%
12.6-21.0%)
DSM.
sample
size
19.4%
16.8-22.1%)
patients
≤
500
15.3%
11.0-19.7%)
>
500.
suggested
that
postoperative
this
study
stable.Our
systematic
review
high
delirium.
Except
cardiac
surgery,
higher
than
other
types
surgery.
However,
finding
must
be
further
explored
future
large-sample
studies.https://www.crd.york.ac.uk/prospero/,
identifier:
PROSPERO
CRD42023397883.