British Journal of Hospital Medicine,
Год журнала:
2025,
Номер
unknown, С. 1 - 19
Опубликована: Март 18, 2025
Aims/Background
The
coronavirus
disease
2019
(COVID-19)
pandemic
placed
unique
pressures
on
healthcare
workers,
especially
nurses.
This
study
examines
the
factors
influencing
mental
health,
stress
perception,
and
burnout
among
otolaryngology
nurses
after
cessation
of
COVID-19
prevention
control.
Methods
A
cross-sectional
was
conducted
220
in
Sichuan
province
from
20
January
to
28
January,
2023.
Data
were
collected
using
a
general
information
questionnaire,
Nurse
Workplace
Mental
Health
Questionnaire,
Chinese
Perceived
Stress
Scale
(CPSS-14),
Maslach
Burnout
Inventory-General
Survey
(MBI-GS).
Statistical
analyses
included
Kruskal-Wallis
test,
Spearman
correlation
analysis,
multiple
linear
regression
identify
significant
relationships
within
dataset.
Results
Of
questionnaires
distributed,
218
valid,
yielding
recovery
rate
99.09%.
cohort
3
males
(mean
age:
34.67
±
12.39)
215
females
35.63
9.27).
average
health
score
128.10
21.29,
indicating
moderate
level
psychological
well-being.
CPSS-14
37.42
7.27,
reflecting
stress,
while
MBI-GS
scores
highlighted
varying
levels
burnout,
emotional
exhaustion
(median
=
10.00).
test
identified
affecting
including
family
support,
testing
status,
staffing
adequacy,
frequency
caring
for
critically
ill
patients,
teamwork
satisfaction,
job
resignation
plans
(p
<
0.05).
analysis
revealed
negative
associations
between
(r
–0.525)
total
–0.646;
p
0.01).
Multiple
(β
–0.922),
low
personal
accomplishment
–0.623),
inadequate
–2.769)
as
predictors
satisfaction
5.516)
5.032)
positively
associated
with
improved
Conclusion
Otolaryngology
experience
notable
challenges
post-pandemic
era,
driven
by
burnout.
Addressing
shortages,
fostering
teamwork,
enhancing
are
critical
strategies
improve
their
Building and Environment,
Год журнала:
2022,
Номер
211, С. 108751 - 108751
Опубликована: Янв. 3, 2022
In
order
to
control
the
spread
of
Covid-19,
authorities
provide
various
prevention
guidelines
and
recommendations
for
health
workers
public.
Personal
protection
equipment
(PPE)
physical
barrier
are
most
widely
applied
measures
in
practice
due
their
affordability
ease
implementation.
This
study
aims
investigate
effect
PPE
barriers
on
mitigating
short-range
airborne
transmission
between
two
people
a
ventilated
environment.
Four
types
(surgical
mask,
face
shield,
mouth
visor),
different
sizes
were
tested
controlled
environment
with
life-size
breathing
thermal
manikins.
The
was
worn
by
source
manikin
test
efficiency
control.
measurement
results
revealed
that
principles
preventing
droplet
different.
Instead
filtering
fine
nuclei,
they
mainly
redirect
virus-laden
exhalation
jet
avoid
exhaled
flow
entering
target's
inhalation
region.
Physical
can
block
spreading
nuclei
create
good
micro
at
short
distances
persons.
However,
special
attention
should
be
paid
arranging
operating
ventilation
system
stagnant
zone
where
contaminant
accumulates.
We
do
not
fully
grasp
viral
droplet
transmission
processes
in
ventilated
interior
environments.
The
core
focus
of
our
research
is
to
investigate
the
effectiveness
protected
occupied
zone
ventilation
(POV)
through
computational
fluid
dynamics
models
a
simplified
office
setting.
large-eddy
simulation
technique
with
Eulerian–Lagrangian
model
was
implemented
address
complicated
indoor
such
as
turbulence,
flow–aerosol
interaction,
and
impact.
computationally
investigated
effects
desk
partitions
POV
on
cough
droplets
an
office.
approach
tested
using
two
distinct
exhaust
layouts
four
different
rates
(1.0,
1.2,
1.5,
1.8
m/s).
A
comparative
analysis
flow
fields,
topologies,
particle
directions
has
been
studied.
findings
indicate
that
plane
jet's
influence
performance.
distributed
virus
around
room,
but
compared
up-exhaust
cases,
down-exhaust
cases
appeared
have
better
shielded
healthy
person.
This
pattern
could
placement
outlet
systems
significantly
influences
aerosol
dispersion.
results
also
show
substantial
streams
may
carry
tiny
particles
(≤70
μm)
throughout
their
path.
Large
(≥100
go
far
gas
clouds.
Most
deposit
solid
surfaces
various
work
sites
per
specific
rates.
Office
workers
need
be
very
cautious
these
hazardous
areas.
Building and Environment,
Год журнала:
2024,
Номер
265, С. 111925 - 111925
Опубликована: Авг. 6, 2024
This
study
presents
a
methodological
framework
for
assessing
the
energy
performance
of
Personal
Environmental
Control
Systems
(PECS),
aiming
to
address
existing
gaps
in
standardized
evaluation
approaches.
Initially,
systematic
approach
delineate
distinct
spatial
control
volumes
associated
with
PECS
is
presented,
facilitating
classification
and
comparison
various
system
types.
Utilizing
this
framework,
introduces
definitions
efficiency
effectiveness
specific
PECS,
providing
procedure
experimental
assessment
quantities
related
these
definitions.
To
validate
proposed
method
was
applied
an
illustrative
case
involving
two
under
varying
operational
conditions
–
heating
cooling.
The
results
provide
insights
into
evaluated
highlighting
framework's
applicability
their
efficiency.
underscores
importance
systematically
evaluating
performance,
offering
robust
methodology
that
can
guide
future
research
development
efforts
domain.
Building and Environment,
Год журнала:
2022,
Номер
228, С. 109924 - 109924
Опубликована: Дек. 14, 2022
Predictive
models
for
airborne
infection
risk
have
been
extensively
used
during
the
pandemic,
but
there
is
yet
still
no
consensus
on
a
common
approach,
which
may
create
misinterpretation
of
results
among
public
health
experts
and
engineers
designing
building
ventilation.
In
this
study
we
applied
latest
data
viral
load,
aerosol
droplet
sizes
removal
mechanisms
to
improve
Wells
Riley
model
by
introducing
following
novelties
i)
new
calculate
total
volume
respiratory
fluid
exhaled
per
unit
time
ii)
developing
novel
dose-based
generation
rate
dehydrated
droplets
after
expiration
iii)
deriving
quanta-RNA
relationship
various
strains
SARS-CoV-2
iv)
proposing
method
account
incomplete
mixing
conditions.
These
approaches
considerably
changed
previous
estimates
allowed
determine
more
accurate
average
quanta
emission
rates
including
omicron
variant.
values
original
strain
0.13
3.8
quanta/h
breathing
speaking
virus
variant
multipliers
be
simple
hand
calculations
probability
or
with
developed
operating
six
size
ranges
effect
ventilation
other
mechanisms.
The
made
available
as
an
open-source
tool.
