Успехи современной биологии,
Год журнала:
2024,
Номер
144(2), С. 171 - 177
Опубликована: Сен. 10, 2024
When
considering
the
pathogenesis
of
COVID-19
and
post-Covid
syndrome,
disorders
associated
with
immune
system
come
to
fore.
Complexes
dysregulation,
dissonant
reactions
patient’s
innate
adaptive
systems,
should
be
considered
main
causes
complex
pattern
lesions.
These
processes
include
cellular
inflammation,
disorder
hemovascular
homeostasis,
organ
damages.
Consistent
analysis
these
serves
as
basis
for
choosing
therapeutic
strategy
schemes,
taking
into
account
clinical
indicators
personal
characteristics
patients.
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 14, 2025
Abstract
Severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
infection
can
lead
to
post-acute
sequelae
of
SARS-CoV-2
(PASC),
or
Long
COVID,
a
chronic
multisystemic
condition
with
diverse
symptoms
and
no
objective
diagnostic
test.
In
this
study,
we
developed
data-driven
method
objectively
detect
persistent
physiological
changes
post-COVID-19
using
wearable
device
data.
We
analyzed
data
from
663
symptomatic
COVID-19-positive
cases
2,513
asymptomatic
COVID-19-negative
controls.
Our
identified
alterations
in
9.4%
individuals,
aligning
previous
COVID
prevalence
estimates.
Additionally,
vaccination
reduced
the
risk
these
by
~
40%.
Affected
individuals
exhibited
elevated
resting
heart
rates
rate
variability.
findings
highlight
potential
technology
identifying
monitoring
post-infection,
offering
scalable
tool
for
assessment.
This
approach
could
enhance
clinical
evaluation
personalized
management
cases.
Medicine,
Год журнала:
2025,
Номер
104(18), С. e42345 - e42345
Опубликована: Май 2, 2025
The
COVID-19
pandemic
has
raised
critical
concerns
about
its
long-term
effects
on
cardiovascular
health,
particularly
concerning
autonomic
nervous
system
(ANS)
function.
Little
is
known
the
differences
in
ANS
function
between
physically
active
and
inactive
individuals
exposed
nonexposed
to
COVID-19.
This
study
aimed
compare
impact
of
self-reported
physical
activity
using
heart
rate
variability
(HRV)
metrics
In
total
142
participants
from
Riyadh
region,
Saudi
Arabia,
were
divided
into
(n
=
70)
71)
groups
based
their
exposure.
HRV
was
assessed
photoplethysmography
analyzed
time
frequency
domains.
Physical
simple
yes
or
no
question,
duration
categorized
less
than
30
minutes,
more
minutes.
Physically
generally
exhibited
higher
metrics,
suggesting
better
function,
although
this
effect
pronounced
group.
Interestingly,
low-frequency
high-frequency
ratio
only
metric
that
showed
a
statistically
significant
difference
group
(
P
.04).
There
reported
either
COVID-19-exposed
groups.
underscored
importance
monitoring
health
post-COVID-19
populations
suggested
while
beneficial,
virus
may
blunted
benefits.
Further
research
needed
explore
implications
potential
for
mitigate
these
effects.
Biomedicines,
Год журнала:
2025,
Номер
13(5), С. 1138 - 1138
Опубликована: Май 8, 2025
Purpose:
Post-COVID-19
syndrome
(PCS)
is
characterized
by
low
cardio-respiratory
fitness
(CRF).
Recent
research
focuses
on
the
role
of
autonomic
nervous
system
dysfunction
(AD)
as
a
potential
contributor
to
diminished
exercise
performance.
The
aim
determine
prevalence
AD—chronotropic
insufficiency
(CI)
and
abnormal
heart
rate
recovery
(HRR)
in
long-term
PCS
subjects
analyse
their
association
with
capacity.
Patients
Methods:
A
total
192
history
SARS-CoV-2
infection
were
included.
Chronic
Fatigue
Syndrome
Questionnaire
(CFSQ)
was
applied,
two
symptomatic
asymptomatic
emerged.
Forty-seven
had
post-COVID
complaints,
persisting
up
thirty
months
post-acute
episode.
CI
HRR
determined
during
cardio-pulmonary
test
(CPET).
Results:
Symptomatic
divided
into
mild
(20)
moderate-severe
(27),
depending
CFSQ
score;
forty-eight
without
complaints
served
control
group.
Subjects
showed
lower
peak
VO2
(24.13
±
6.1
mL/min/kg
vs.
26.73
5.9
mL/min/kg,
27.01
6.3
mL/min/kg),
compared
mild/asymptomatic
subjects.
Diminished
physical
activity
established
10
(37%)
moderate-severe,
7
(35%)
mildly
14
(29%)
groups.
occurrence
AD
mild/moderate-severe
groups
were,
respectively,
35%
81.5%
12.5%.
Abnormal
was,
20%
33%
8%.
None
depleted
breathing
reserve,
dynamic
hyperinflation,
bronchospasm
or
desaturation.
Neither
nor
correlated
O2.
Conclusions:
present
among
may
limit
response
but
not
independently
associated
it.
Assuming
multiorgan
ANS
innervation,
it
highly
probable
that
has
diverse
pathological
pathways
various
phenotypes
contributes
differently
cerebral,
cardiovascular,
respiratory,
peripheral
mixed
neuro-cognitive
The American Journal of Medicine,
Год журнала:
2024,
Номер
unknown
Опубликована: Апрель 1, 2024
BackgroundPatients
suffering
from
long
COVID
may
exhibit
autonomic
dysregulation.
However,
the
association
between
dysregulation
and
exercise
intolerance
impact
of
therapeutic
interventions
on
its
modulation
remain
unclear.
This
study
investigated
relationship
heart
rate
recovery
at
first
minute
(HRR1),
a
proxy
for
imbalance,
in
patients
with
COVID.
Additionally,
aimed
to
assess
effects
12-week
home-based
inspiratory
muscle
training
program
this
patient
population.MethodsThis
is
post
hoc
subanalysis
randomized
trial
which
26
were
randomly
assigned
receive
either
or
usual
care
alone
(NCT05279430).
The
data
analyzed
using
Pearson's
correlation
linear
mixed
regression
analysis.ResultsThe
mean
age
was
50.4±12.2
years,
11
(42.3%)
women.
Baseline
HRR1
significantly
correlated
maximal
functional
capacity
(peakVO2)
(r=0.402,
p=0.041).
Patients
lower
baseline
(≤
22
bpm)
exhibited
higher
resting
rates
peakVO2.
Inspiratory
led
more
substantial
increase
peakVO2
(p=0.019).
significant
improvement
observed
IMT
group
compared
after
(Δ
+9.39,
95%
CI=2.4-16.4,
p=0.010).ConclusionLower
associated
serve
as
valuable
criterion
identifying
individuals
likely
benefit
program.
BMC Cardiovascular Disorders,
Год журнала:
2024,
Номер
24(1)
Опубликована: Авг. 8, 2024
Abstract
Background
After
COVID-19
infection,
10–20%
of
patients
suffer
from
varying
symptoms
lasting
more
than
12
weeks
(Long
COVID,
LC).
Exercise
intolerance
and
fatigue
are
common
in
LC.
The
aim
was
to
measure
the
maximal
exercise
capacity
LC
with
these
analyze
whether
this
related
heart
rate
(HR)
responses
at
rest
during
recovery,
find
out
possible
sympathetic
overactivity,
dysautonomia
or
chronotropic
incompetence.
Methods
Cardiopulmonary
test
conducted
on
101
patients,
who
were
admitted
testing.
majority
them
(86%)
had
been
treated
home
their
acute
infection.
Peak
oxygen
uptake
(VO2peak),
power
last
4
min
(Wlast4),
HRs,
other
variables
compared
between
those
without
subjective
intolerance,
fatigue,
both.
Results
measurements
performed
mean
12.7
months
(SD
5.75)
after
infection
(group
EI,
19
patients),
F,
31
combination
EI
+
37
neither
N,
14
patients).
was,
mean,
normal
all
symptom
groups
did
not
significantly
differ
among
them.
HRs
higher
group
F
N
maximum
(169/min
vs.
158/min,
p
=
0.034)
10
(104/min
87/min,
0.028).
Independent
symptoms,
filled
criteria
associated
slightly
decreased
Wlast4
(73%
91%
sex,
age,
height,
weight-based
reference
values
0.017)
13
incompetence
lowest
(63%
93%,
<
0.001),
VO2peak
(70%
94%,
increase
systolic
blood
pressure
(50
mmHg
67
mmHg,
greatest
prevalence
slight
ECG-findings
(
features.
highest
seen
0.022).
Conclusions
This
study
different
showed
that
cardiopulmonary
normal,
increased
activity
most
patients.
However,
we
identified
subgroups
a
lowered
as
measured
by
VO2peak.
Subjective
poorly
foresaw
level
capacity.
results
could
be
used
plan
rehabilitation
for
selection
suitable
it.
Cardiopulmonary Physical Therapy Journal,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 3, 2024
Purpose:
Heart
rate
variability
(HRV)
has
been
used
for
decades
as
a
tool
measuring
systemic
health
through
the
autonomic
nervous
system
(ANS).
The
purpose
of
this
paper
was
to
examine
literature
on
HRV
and
investigate
its
use
in
long
COVID
(LC)
population.
Summary
Key
Points:
Measurement
devices
vary
significantly
their
validity
reliability
when
compared
with
gold
standard
electrocardiogram
(ECG).
Wrist
hand
typically
demonstrate
diminished
capturing
signal,
while
chest
strap
often
exhibit
high
validity.
Lack
transparency
third-party
software
clean
analyze
data
makes
assessment
accuracy
problematic.
This
is
particular
concern
single
beat
miscalculations
can
result
dissimilar
output.
conditions
under
which
are
collected,
such
natural
or
paced
breathing,
activity
intensity,
patient
position,
dramatically
affect
readings.
While
some
individual
metrics
have
consistently
shown
reflect
certain
components
ANS,
high-frequency
power
measure
parasympathetic
function,
meaning
other
less
clear.
Recommendations
Clinical
Practice:
be
an
extraordinarily
valuable
function.
However,
it
recommended
that
clinicians
judicious
interpretation
HRV,
considering
inconsistencies
presentation.
particularly
true
LC,
where
varies
greatly.
In
all
populations,
should
consider
using
valid
assess
trends
values
over
time,
along
consideration
unique
physical
conditions.
Journal of Osteopathic Medicine,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 17, 2024
In
2019,
emergence
of
the
novel
and
communicable
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
infection
took
scientific
communities
by
surprise
imposed
significant
burden
on
healthcare
systems
globally.
Although
advent
this
disease
piqued
interest
academic
centers,
systems,
general
public,
there
is
still
much
yet
to
be
elucidated
regarding
epidemiology,
pathophysiology,
long-term
impacts
2019
(COVID-19).
It
has
been
established
that
long
COVID-19
can
impact
multiple
organ
including
cardiovascular
system,
unfavorably.
pathophysiology
damage
not
well
understood,
adverse
sequelae
may
range
from
chest
pain
arrhythmias
heart
failure
(HF),
myocardial
infarction,
or
sudden
cardiac
death.
For
any
postacute
patient
requiring
a
surgical
procedure,
potential
for
injury
secondary
must
considered
in
preoperative
examination.