Tomography,
Journal Year:
2022,
Volume and Issue:
8(5), P. 2609 - 2617
Published: Oct. 18, 2022
(1)
Purpose:
To
evaluate
the
anatomy
and
perfusion
of
choroidal
substructures
in
third-trimester
pregnant
women
using
optical
coherence
tomography
(OCT)
OCT
angiography
(OCTA)
imaging.
(2)
Methods:
In
this
cross-sectional
study,
their
third
trimester
uncomplicated
pregnancy
non-pregnant
age-matched
were
recruited.
Participants
underwent
enhanced
depth
imaging
(EDI)
OCTA.
Subfoveal
thickness
(SFCT),
as
well
sublayer
perfusion,
compared
between
groups.
(3)
Results:
total,
26
eyes
included.
The
median
age
both
groups
was
29
years.
SFCT
332
(211-469)
µm
group
371.5
(224-466)
cohort
(p
=
0.018).
choriocapillaris
(CCP)
significantly
lower
(46%
vs.
48%,
p
0.039).
Moreover,
Haller's
layer
correlated
with
mean
arterial
pressure
(CC
0.430,
0.028)
but
not
ones
0.054,
0.792).
(4)
Conclusions:
found
to
be
thinner
CCP
women.
Hormonal
changes
during
consecutive
impacts
on
autoregulation
small
vessels
might
play
an
important
role.
Therefore,
altered
measurements
should
carefully
evaluated
as,
some
extent,
it
could
a
normal
physiological
change.
JAMA Network Open,
Journal Year:
2022,
Volume and Issue:
5(2), P. e2147046 - e2147046
Published: Feb. 3, 2022
Importance
Anemia
is
the
most
widespread
nutritional
deficiency
among
pregnant
females
in
world.
Despite
numerous
studies
on
anemia,
evidence
limited
about
association
of
severity
anemia
with
maternal
and
fetal
health.
Objective
To
investigate
between
during
pregnancy
risk
adverse
outcomes.
Design,
Setting,
Participants
This
retrospective
cohort
study
used
data
from
China’s
Hospital
Quality
Monitoring
System
January
1,
2016,
to
December
31,
2019,
for
aged
15
49
years
birth
outcomes
reported
at
1508
hospitals
maternity
services
mainland
China.
Exposures
varying
was
identified
daily
standardized
electronic
inpatient
discharge
records
using
corresponding
codes
theInternational
Statistical
Classification
Diseases
Related
Health
Problems,
Tenth
Revision.
Mild
defined
as
a
hemoglobin
concentration
100
109
g/L
(to
convert
g/dL,
divide
by
10.0);
moderate
70
99
g/L;
severe
less
than
g/L.
Main
Outcomes
Measures
The
main
included
6
(placental
abruption,
preterm
birth,
postpartum
hemorrhage,
shock,
admission
intensive
care
unit
[ICU],
mortality)
3
neonatal
(fetal
growth
restriction,
malformation,
stillbirth).
Multivariable
logistic
regression
models
were
estimate
odds
ratios
(ORs)
95%
CIs
these
anemia.
AJP Heart and Circulatory Physiology,
Journal Year:
2021,
Volume and Issue:
321(1), P. H77 - H111
Published: May 14, 2021
The
measurement
of
vascular
function
in
isolated
vessels
has
revealed
important
insights
into
the
structural,
functional,
and
biomechanical
features
normal
diseased
cardiovascular
system
provided
a
molecular
understanding
cells
that
constitutes
arteries
veins
their
interaction.
Further,
this
approach
allowed
discovery
vital
pharmacological
treatments
for
diseases.
However,
expansion
physiology
field
also
brought
new
concerns
over
scientific
rigor
reproducibility.
Therefore,
it
is
appropriate
to
set
guidelines
best
practices
evaluating
vessels.
These
are
comprehensive
document
detailing
pitfalls
assessment
large
small
veins.
Herein,
we
bring
together
experts
with
purpose
developing
ex
vivo
function.
By
using
document,
physiologists
will
have
consistency
among
methodological
approaches,
producing
more
reliable
reproducible
results.
JCI Insight,
Journal Year:
2023,
Volume and Issue:
8(11)
Published: June 7, 2023
Uterine
vascular
remodeling
is
intrinsic
to
the
cycling
and
early
pregnant
endometrium.
Maternal
regulatory
factors
such
as
ovarian
hormones,
VEGF,
angiopoietins,
Notch,
uterine
natural
killer
cells
significantly
mediate
these
changes.
In
absence
of
pregnancy,
changes
in
vessel
morphology
function
correlate
with
different
stages
human
menstrual
cycle.
During
rodents
humans
results
decreased
resistance
increased
permeability
necessary
for
pregnancy
success.
Aberrations
adaptive
processes
contribute
risk
infertility,
abnormal
fetal
growth,
and/or
preeclampsia.
This
Review
comprehensively
summarizes
cycle,
peri-
post-implantation
rodent
species
(mice
rats).
ABSTRACT
The
media–lumen
diameter
ratio
of
small
arteries
is
increased
in
hypertension,
diabetes
and
obesity.
It
likely
that
both
shear
stress
on
the
endothelial
cells,
transmural
pressure
smooth
muscle
cell
tone
are
important
for
altered
vascular
structure.
However,
precise
interaction
importance
these
factors
incompletely
understood.
At
molecular
level
transglutaminases,
metalloproteinases,
integrins,
NO
several
other
have
been
suggested
to
be
important,
but
our
understanding
how
many
together
control
structure
surprisingly
limited.
has
prognostic
value,
which
independent
classical
risk
cardiovascular
disease.
Importantly
this
also
case
patients
treated
pharmacologically
high
blood
pressure.
therefore
relevant
consider
artery
as
a
potential
target
relation
prevention
Frontiers in Cell and Developmental Biology,
Journal Year:
2020,
Volume and Issue:
8
Published: Nov. 27, 2020
Recent
advances
in
our
understanding
of
blood
vessels
and
vascular
niches
bone
convey
their
critical
importance
regulating
development
physiology.
The
contribution
functions
remodeling
has
recently
gained
enormous
interest
because
therapeutic
potential.
mammalian
skeletal
system
performs
multiple
the
body
to
regulate
growth,
homeostasis
metabolism.
Blood
provide
support
various
cell
types
maintain
functional
marrow
microenvironment.
Heterogeneity
within
indicate
specialized
functions.
In
this
review,
we
discuss
physiology
vasculature
for
hematopoietic
stem
cells
mesenchymal
progenitor
cells.
We
clinical
experimental
information
available
on
during
physiological
remodeling.
Reproductive Sciences,
Journal Year:
2020,
Volume and Issue:
28(9), P. 2422 - 2435
Published: Nov. 19, 2020
Abstract
In
recent
years,
a
growing
interest
has
arisen
regarding
the
possible
relationship
between
adverse
pregnancy
outcomes
(APOs)
and
inadequate
maternal
hemodynamic
adaptations
to
pregnancy.
A
association
“placental
syndromes,”
such
as
preeclampsia
(PE)
fetal
growth
restriction
(FGR),
subsequent
cardiovascular
diseases
(CVD)
later
in
life
been
reported.
The
two
subtypes
of
FGR
show
different
pathogenetic
clinical
features.
Defective
placentation,
due
poor
trophoblastic
invasion
spiral
arteries,
is
believed
play
central
role
pathogenesis
early-onset
PE
FGR.
Since
placental
functioning
dependent
on
system,
pre-existent
or
impairment
may
key
Late
does
not
seem
be
determined
by
primary
abnormal
placentation
first
trimester.
pathological
pathway
late-onset
maladaptation:
CV
system
shows
flat
profile
remains
similar
those
non-pregnant
women.
second
trimester,
when
placenta
already
developed
increases
its
functional
request,
hypovolemic
state
could
lead
hypoperfusion
an
altered
maturation
villous
tree
therefore
growth.
Thus,
this
review
focalizes
cardiac
function
development
both
early
better
understanding
hemodynamics
pregnancies
complicated
bring
various
benefits
practice,
improving
screening
therapeutic
tools.
Heart,
Journal Year:
2021,
Volume and Issue:
107(21), P. 1704 - 1709
Published: Jan. 19, 2021
Background
Cardiovascular
disease
is
the
leading
cause
of
death
during
pregnancy
with
thoracic
aortic
dissection
being
one
main
causes.
Thoracic
commonly
related
to
hereditary
disorders
and
congenital
heart
malformations
such
as
bicuspid
valve
(BAV).
Pregnancy
considered
a
high
risk
period
in
women
underlying
aortopathy.
Methods
The
ESC
EORP
Registry
Of
And
Cardiac
(ROPAC)
prospective
global
registry
that
enrolled
5739
pre-existing
cardiac
disease.
With
this
analysis,
we
aim
study
maternal
fetal
outcome
Results
was
reported
189
(3.3%).
Half
them
were
patients
Marfan
syndrome
(MFS),
26%
had
BAV,
8%
Turner
syndrome,
2%
vascular
Ehlers-Danlos
11%
no
genetic
defect
or
associated
defect.
Aortic
dilatation
58%
6%
history
dissection.
Four
patients,
whom
three
MFS,
an
acute
(three
type
A
B
dissection)
without
mortality.
No
complications
occurred
There
significant
difference
median
birth
weight
if
treated
beta-blocker
not
(2960
g
(2358–3390
g)
vs
3270
(2750–3570
g),
p
value
0.25).
Conclusion
This
ancillary
analysis
provides
largest
data
review
on
for
Overall
outcomes
followed
according
current
guidelines
are
good.