Biomechanics and Modeling in Mechanobiology,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 26, 2024
An
ascending
aortic
aneurysm
is
an
often
asymptomatic
localized
dilatation
of
the
aorta.
Aortic
rupture
a
life-threatening
event
that
occurs
when
stress
on
wall
exceeds
its
mechanical
strength.
Therefore,
patient-specific
finite
element
models
could
play
important
role
in
estimating
risk
rupture.
This
requires
not
only
geometry
aorta
but
also
nonlinear
anisotropic
properties
tissue.
In
this
study,
we
presented
methodology
to
estimate
from
magnetic
resonance
imaging
(MRI).
As
theoretical
framework,
used
which
added
noise
simulate
clinical
data
real
patient
and
different
healthy
aneurysmal
tissues
collected
literature.
The
proposed
considered
properties,
zero
pressure
geometry,
heart
motion,
external
tissue
support.
addition,
analyzed
as
homogeneous
material
heterogeneous
model
with
for
descending
parts.
was
applied
pre-surgical,in
vivo
MRI
who
underwent
surgery
during
sample
obtained.
results
were
compared
those
obtained
ex
biaxial
test
patient's
sample.
showed
promising
after
successfully
recovering
all
cases.
study
demonstrates
variable
optimization
process
can
affect
result.
particular,
variables
such
principal
strains
found
obtain
more
realistic
materials
than
displacement
field.
AJP Heart and Circulatory Physiology,
Год журнала:
2023,
Номер
325(1), С. H1 - H29
Опубликована: Март 31, 2023
Arterial
pulse
waves
(PWs)
such
as
blood
pressure
and
photoplethysmogram
(PPG)
signals
contain
a
wealth
of
information
on
the
cardiovascular
(CV)
system
that
can
be
exploited
to
assess
vascular
age
identify
individuals
at
elevated
CV
risk.
We
review
possibilities,
limitations,
complementarity,
differences
reduced-order,
biophysical
models
arterial
PW
propagation,
well
theoretical
empirical
methods
for
analyzing
extracting
clinically
relevant
assessment.
provide
detailed
mathematical
derivations
these
methods,
showing
how
they
are
related
each
other.
Finally,
we
outline
directions
future
research
realize
potential
modeling
analysis
accurate
assessment
in
both
clinic
daily
life.
Aging
of
the
vasculature,
which
is
integral
to
functioning
literally
all
human
organs,
serves
as
a
fundamental
physiological
basis
for
age-related
alterations
well
shared
etiological
mechanism
various
chronic
diseases
prevalent
in
elderly
population.
China,
home
world's
largest
aging
population,
faces
an
escalating
challenge
addressing
prevention
and
management
these
conditions.
To
meet
this
challenge,
Biomarker
Consortium
China
has
developed
expert
consensus
on
biomarkers
vascular
(VA)
by
synthesizing
literature
insights
from
scientists
clinicians.
This
provides
comprehensive
assessment
associated
with
VA
presents
systemic
framework
classify
them
into
three
dimensions:
functional,
structural,
humoral.
Within
each
dimension,
panel
recommends
most
clinically
relevant
biomarkers.
For
functional
domain,
reflecting
stiffness
endothelial
function
are
highlighted.
The
structural
dimension
encompasses
metrics
structure,
microvascular
distribution.
Additionally,
proinflammatory
factors
emphasized
humoral
dimension.
aim
establish
foundation
assessing
extent
conducting
research
related
VA,
ultimate
goal
improving
health
globally.
European Journal of Preventive Cardiology,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 11, 2025
To
assess
the
cross-sectional
and
longitudinal
associations
of
smoking
behaviour
with
central
arterial
haemodynamic
measures
in
samples
Framingham
Heart
Study.
In
6597
participants
[3606
(55%)
women,
51.5%
never
smoked,
34.8%
formerly
quit,
4.3%
recently
9.3%
currently
smoking],
we
assessed
relations
using
multivariable
linear
regression
models.
models,
were
different
across
groups.
Particularly,
augmentation
index
(AI)
was
higher
among
who
quit
(least
squares
mean
±
standard
error
=
14.1
0.4%;
P
<
0.001)
(18.1
0.5%;
compared
smoked
(12.6
0.3%).
Among
smoking,
cigarettes
per
day
[B
1.41;
95%
confidence
interval
(CI),
0.47-2.34]
associated
AI.
had
pack-years
AI
(B
0.85;
CI,
0.60-1.14)
pulse
pressure
0.84;
0.46-1.21).
Using
restricted
cubic
splines,
observed
a
negative
association
for
AI,
but
non-linear
characteristic
impedance
pressure,
time
since
(all
0.001).
Additionally,
patterns
cessation
by
burden
(<20
vs.
≥20
pack-years).
increases
persistently
(4.62
0.41%;
(5.48
0.70%;
0.002)
(3.45
0.37%).
Central
are
sensitive
to
differences
changes
behaviour.
Longer
may
revert
levels
lower
exposure.
Physiological Measurement,
Год журнала:
2024,
Номер
45(12), С. 121001 - 121001
Опубликована: Июнь 5, 2024
Abstract
Vascular
ageing
(vascular
ageing)
is
the
deterioration
of
arterial
structure
and
function
which
occurs
naturally
with
age,
can
be
accelerated
disease.
Measurements
vascular
are
emerging
as
markers
cardiovascular
risk,
potential
applications
in
disease
diagnosis
prognosis,
for
guiding
treatments.
However,
not
yet
routinely
assessed
clinical
practice.
A
key
step
towards
this
development
technologies
to
assess
ageing.
In
Roadmap,
experts
discuss
several
aspects
process,
including:
measurement
technologies;
pipeline;
applications;
future
research
directions.
The
Roadmap
summarises
state
art,
outlines
major
challenges
overcome,
identifies
directions
address
these
challenges.
Diagnostics,
Год журнала:
2024,
Номер
14(2), С. 139 - 139
Опубликована: Янв. 8, 2024
To
develop
diagnostic
imaging
approaches,
this
paper
emphasizes
the
transformational
potential
of
merging
geophysics
with
health
sciences.
Diagnostic
technology
improvements
have
transformed
sciences
by
enabling
earlier
and
more
precise
disease
identification,
individualized
therapy,
improved
patient
care.
This
review
article
examines
connection
between
in
field
Geophysics,
which
is
typically
used
to
explore
Earth’s
subsurface,
has
provided
new
uses
its
methodology
medical
field,
providing
innovative
solutions
pressing
problems.
The
different
geophysical
techniques
like
electrical
imaging,
seismic
their
corresponding
tomography,
magnetic
resonance
ultrasound
etc.
examination
includes
description,
similarities,
differences,
challenges
associated
these
how
modified
can
be
methods
Examining
progression
each
method
from
contributions
illness
diagnosis,
treatment
planning,
monitoring
are
highlighted.
Also,
utilization
data
analysis
signal
processing
inversion
image
been
briefly
explained,
along
mathematical
computational
tools
they
implemented
for
key
findings
include
development
machine
learning
artificial
intelligence
geophysics-driven
demonstrating
revolutionary
effects
data-driven
on
precision,
speed,
predictive
modeling.
JVS Vascular Science,
Год журнала:
2024,
Номер
5, С. 100209 - 100209
Опубликована: Янв. 1, 2024
Arterial
stiffening
is
associated
with
adverse
cardiovascular
patient
outcomes;
stiffness
may
also
be
postsurgical
events
and
has
been
suggested
to
a
fundamental
mechanism
in
the
pathogenesis
of
aortic
aneurysms.
Although
open
repair
aneurysms
decreases
stiffness,
implantation
rigid
endograft
increased
following
endovascular
aneurysm
(EVAR).
This
review
aims
provide
an
overview
wall
physiology
contemporary
understanding
its
implications
for
patients
undergoing
abdominal
repair.
Recent
data
suggests
that
central
arterial
estimated
preoperatively
using
pulse
wave
velocity
(PWV),
predict
sac
behavior
EVAR,
elevated
preoperative
PWV
less
shrinkage,
even
enlargement,
after
EVAR.
With
development
several
simple
noninvasive
methods
measure
PWV,
such
as
brachial-ankle
single
cuff
brachial
oscillometry,
there
role
monitoring
ambulatory
outcomes
Additionally,
since
outcomes,
EVAR
increases
assessment
prior
interventions
help
guide
therapeutic
decisions
well
surveillance
protocols,
leading
optimized
outcomes.
Journal of Cardiovascular Magnetic Resonance,
Год журнала:
2024,
Номер
26(2), С. 101088 - 101088
Опубликована: Янв. 1, 2024
Patients
with
syndromic
heritable
thoracic
aortic
diseases
(sHTAD)
who
underwent
prophylactic
root
replacement
are
at
high
risk
of
distal
events,
but
the
underlying
mechanisms
remain
unclear.
This
prospective,
longitudinal
study
evaluates
impact
valve-sparing
(VSARR)
on
fluid
dynamics
and
biomechanics
in
these
patients.
Abstract
Translating
vascular
aging
research
from
bench
to
bedside
presents
both
significant
opportunities
and
challenges.
This
paper
summarizes
insights
a
roundtable
discussion
at
the
Artery
23
conference,
featuring
perspectives
basic
science,
clinical
trials,
regulation,
industry.
The
main
conclusions
of
are
as
follows:
science
must
align
with
relevance,
using
appropriate
animal
models
standardized
measurement
techniques.
Pragmatic
registry-based
trials
offer
viable
alternatives
traditional
randomized
controlled
facilitating
real-world
applicability.
regulatory
landscape,
particularly
for
software
medical
devices,
evolve
keep
pace
technological
advancements
like
artificial
intelligence.
Industry
efforts
focus
on
developing
devices
or
solutions
assessment
treatment
strategies,
yet
face
hurdles
in
large-scale
adoption
reimbursement.
Despite
progress,
development
pharmacological
interventions
mitigate
remains
critical
need.
underscores
importance
interdisciplinary
collaboration
overcome
barriers
translate
scientific
discoveries
into
practice
effectively.
PLoS ONE,
Год журнала:
2024,
Номер
19(10), С. e0305799 - e0305799
Опубликована: Окт. 24, 2024
Diabetes
is
one
of
the
leading
causes
noncommunicable
diseases
worldwide.
It
known
to
induce
cardiovascular
remodeling,
which
can
result
in
a
variety
complications,
including
considerable
increase
aortic
stiffness.
While
studies
Western
populations
have
explored
these
effects,
data
on
Asians,
mainly
Vietnamese,
are
limited.
This
study
aimed
assess
elasticity
type
2
diabetes
mellitus
(T2DM)
patients
compared
healthy
individuals.
medRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 1, 2024
Abstract
Background
Cigarette
smoking
is
a
leading
modifiable
cardiovascular
disease
risk
factor.
Cross-sectional
studies
demonstrated
variable
relations
of
behavior
with
measures
vascular
function.
Additionally,
the
impact
persistent
versus
changes
in
behaviors
on
alterations
central
arterial
function
unclear.
Methods
and
Results
We
assessed
associations
intensity
hemodynamics
6597
participants
(51.5%
never
smoked,
34.8%
formerly
quit,
4.3%
recent
9.3%
currently
smoking)
Framingham
Heart
Study
(N=3606
[55%]
women).
In
cross-sectional
models,
were
different
across
categories
behavior.
For
example,
augmentation
index
was
higher
among
who
quit
(least
squares
mean±standard
error=14.1±0.4%;
P
<0.001)
(18.1±0.5%;
compared
to
smoked
(12.6±0.3%).
Among
smoking,
cigarettes
per
day
(estimated
B
=1.41;
95%
CI,
0.47—2.34;
=0.003)
associated
index.
had
pack-years
(est.
=0.85;
0.60—1.14)
pulse
pressure
=0.84;
0.46—1.21).
Using
restricted
cubic
splines,
we
observed
negative
linear
association
for
index,
but
distinct
nonlinear
characteristic
impedance
pressure,
time
since
(all
<0.001).
longitudinal
increases
persistently
(4.62±0.41%;
(5.48±0.70%;
=0.002)
(3.45±0.37%).
Conclusion
Central
are
sensitive
status
Longer
cessation
may
partially
revert
levels
comparable
those
lower
exposure.