Authorea (Authorea),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Oct. 9, 2023
Background
Cardioneuroablation
(CNA)
is
a
novel
therapeutic
approach
for
functional
bradyarrhythmias,
specifically
neurocardiogenic
syncope
or
atrial
fibrillation,
achieved
through
endocardial
radiofrequency
catheter
ablation
of
vagal
innervation,
obviating
the
need
pacemaker
implantation.
Originating
in
nineties,
first
series
CNA
procedures
was
published
2005.
Extra-cardiac
stimulation
(ECVS)
employed
as
direct
method
stepwise
denervation
control
during
CNA.
Objective
This
study
aimed
to
compare
long-term
follow-up
outcomes
patients
with
severe
cardioinhibitory
undergoing
and
without
confirmation
via
ECVS.
Method
A
cohort
48
patients,
predominantly
female
(56.3%),
suffering
from
recurrent
(5.1±2.5
episodes
annually)
that
remained
unresponsive
clinical
pharmacological
interventions,
underwent
CNA,
divided
into
two
groups:
ECVS
NoECVS,
consisting
34
14
cases,
respectively.
were
conducted
pacing.
Results
Demographic
characteristics,
left
size,
ejection
fraction
displayed
no
statistically
significant
differences
between
groups.
Follow-up
duration
comparable,
29.1
±
15
months
group
31.9±20
NoECVS
(p=0.24).
Notably,
recurrence
significantly
lower
(2
cases
vs.
4
Log
Rank
p=0.04).
Moreover,
Hazard
ratio
revealed
five-fold
higher
risk
group.
Conclusion
demonstrates
concluding
yields
success
rate
substantially
reduced
compared
confirmation.
Journal of Clinical Medicine,
Journal Year:
2023,
Volume and Issue:
12(3), P. 1016 - 1016
Published: Jan. 28, 2023
Direct
and
indirect
links
between
brain
regions
cardiac
function
have
been
reported.
We
performed
a
systematic
literature
review
to
summarize
current
knowledge
regarding
the
associations
of
heart
rate
variability
(HRV)
region
morphology,
activity
connectivity
involved
in
autonomic
control
at
rest
healthy
subjects.
Both
positive
negative
correlations
cortical
thickness
gray
matter
volumes
structures
with
HRV
were
observed.
The
strongest
found
for
cluster
located
within
cingulate
cortex.
A
decline
HRV,
as
well
increasing
age,
especially
orbitofrontal
cortex
noted.
When
region-specific
examined,
correlated
most
strongly
insula,
cortex,
frontal
prefrontal
cortices,
hippocampus,
thalamus,
striatum
amygdala.
Furthermore,
significant
correlations,
largely
positive,
(in
amygdala,
cortex)
Notably,
right-sided
neural
may
be
preferentially
control.
However,
evidence
left
hemispheric
vagal
has
also
Our
findings
provide
support
premise
that
are
interconnected
by
both
structural
functional
networks
indicate
complex
multi-level
interactions.
Further
studies
brain-heart
promise
yield
insights
into
their
relationship
health
disease.
Journal of Cardiovascular Electrophysiology,
Journal Year:
2024,
Volume and Issue:
35(4), P. 641 - 650
Published: Jan. 19, 2024
Abstract
Background
Cardioneuroablation
(CNA)
is
a
novel
therapeutic
approach
for
functional
bradyarrhythmias,
specifically
neurocardiogenic
syncope
or
atrial
fibrillation,
achieved
through
endocardial
radiofrequency
catheter
ablation
of
vagal
innervation,
obviating
the
need
pacemaker
implantation.
Originating
in
nineties,
first
series
CNA
procedures
was
published
2005.
Extra‐cardiac
stimulation
(ECVS)
employed
as
direct
method
stepwise
denervation
control
during
CNA.
Objective
This
study
aimed
to
compare
long‐term
follow‐up
outcomes
patients
with
severe
cardioinhibitory
undergoing
and
without
confirmation
via
ECVS.
Method
A
cohort
48
patients,
predominantly
female
(56.3%),
suffering
from
recurrent
(5.1
±
2.5
episodes
annually)
that
remained
unresponsive
clinical
pharmacological
interventions,
underwent
CNA,
divided
into
two
groups:
ECVS
NoECVS,
consisting
34
14
cases,
respectively.
were
conducted
pacing.
Results
Demographic
characteristics,
left
size,
ejection
fraction
displayed
no
statistically
significant
differences
between
groups.
Follow‐up
duration
comparable,
29.1
15
months
group
31.9
20
NoECVS
(
p
=
.24).
Notably,
recurrence
significantly
lower
(two
cases
vs.
four
Log
Rank
.04).
Moreover,
Hazard
ratio
revealed
fivefold
higher
risk
group.
Conclusion
demonstrates
concluding
yields
success
rate
substantially
reduced
compared
confirmation.
Frontiers in Physiology,
Journal Year:
2023,
Volume and Issue:
14
Published: Feb. 7, 2023
Sinus
node
dysfunction
is
a
multifaceted
disorder
with
variable
manifestations,
the
prevalence
of
which
increases
age.
In
specific
group
patients,
excessive
vagal
activity
may
be
sole
cause
for
this
condition.
These
patients
are
characterized
as
having
recurrent
daytime
symptoms
attributed
to
bradyarrhythmia,
no
evidence
organic
sinus
lesions,
cardiac
overactivation,
and
non-elderly.
For
permanent
pacemaker
implantation
appears
ultimate
solution,
although
it
not
an
etiological
treatment.
Cardioneuroablation
promising
emerging
therapy
that
can
fundamentally
eliminate
in
highly
selective
sub-set
by
nerve
denervation.
Denervation
ablation
vagal-induced
effectively
improve
bradycardia
reduce
syncope.
To
date,
guidelines
selection
suitable
candidates
cardioneuroablation
remain
lacking.
The
primary
objective
study
was
distinguish
nature
abnormal
function
find
methods
quantifying
tone.
Clear
criteria
could
help
physicians
identification
autonomic
imbalance,
thereby
maximizing
patient
benefits
success
rate
cardioneuroablations.
Frontiers in Cardiovascular Medicine,
Journal Year:
2023,
Volume and Issue:
10
Published: Nov. 29, 2023
Cardioneuroablation
(CNA)
is
recognized
as
a
promising
therapeutic
option
for
adults
with
severe
symptomatic
bradycardia
caused
by
excessive
vagal
tone.
However,
no
pediatric
cases
have
been
reported
to
date.
Therefore,
the
aim
of
this
study
evaluate
feasibility
and
efficacy
CNA
in
children.A
12-year-old
male
patient
was
hospitalized
symptoms
fatigue,
palpitations,
syncope
more
than
2
months,
definitively
diagnosed
functional
sinoatrial
node
dysfunction
using
12-lead
electrocardiogram,
24-h
Holter
monitoring,
loading
dose
atropine
test
(0.04
mg/kg),
treadmill
exercise
test.
Simultaneously,
whole-exome
sequencing
performed
on
child
his
core
family
members.
After
completing
preoperative
examination
signing
informed
consent
form,
underwent
therapy.First,
electroanatomic
structures
both
atria
were
mapped
out
Carto
3
system,
according
protocol
purely
anatomy-guided
local
fractionated
intracardiac
electrogram-guided
methods.
Then,
electrograms
each
cardiac
ganglionated
plexus
(GP),
including
GP
between
aortic
root
medial
wall
superior
vena
cava,
posterior
coronary
sinus
ostium
left
atrium,
anterior
antrum
right
pulmonary
vein
superolateral
area
around
vein,
inferior
used
targets
ablation
at
power
30
W
an
index
350-400.
At
6-month
follow-up,
child's
heart
rhythm
saw
complete
restoration
clinical
disappeared.The
first
application
achieved
better
outcomes.
can
be
carried
cautiously
children
under
suitable
indications.
Expert Review of Cardiovascular Therapy,
Journal Year:
2022,
Volume and Issue:
20(11), P. 861 - 870
Published: Nov. 2, 2022
Cardioneuroablation
is
increasingly
being
utilized
to
improve
outcomes
in
patients
with
vagally
mediated
bradyarrhythmias.
However,
there
are
still
controversial
issues
the
field
including
patient
selection,
safety
and
efficacy,
procedural
end-points.In
this
review,
current
role
of
cardioneuroablation
summarized,
related
modality
discussed.According
small
open-label
cohort
studies,
overall
freedom
from
syncope
recurrence
was
higher
than
90%
after
vasovagal
(VVS).
Use
electrogram-based
strategy
or
high-frequency
stimulation
demonstrate
similar
success
rate
except
procedures
limited
right
atrium.
Based
on
a
recently
published
randomized
controlled
trial
metanalysis,
it
may
be
possible
now
make
strong
recommendation
for
<40
years
age,
those
cardioinhibitory
mixed
type
VVS
who
continue
experience
frequent
and/or
burdensome
recurrences.
Considering
prone
significant
placebo/expectation
effect,
sham-controlled
trials
help
quantify
placebo
effect.
In
well-selected
functional
atrioventricular
block
sinus
bradycardia,
result
encouraging
medium-term
outcomes.
bradycardia
identified
minority
presenting
high-grade
node
dysfunction.
Journal of Interventional Cardiac Electrophysiology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 20, 2024
Subtypes
of
atrial
fibrillation
(AF)
can
differ,
and
exact
mechanisms
in
which
patients
benefit
from
the
pulmonary
vein
isolation
(PVI)
remain
not
fully
understood.
During
PVI,
vagal
innervation
heart
may
also
be
affected.
Thus,
non-invasive
methods
intraprocedural
assessment
such
PVI
impact
are
sought.
Heart Rhythm,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 1, 2024
In
the
rapidly
developing
field
of
cardioneuroablation
(CNA),1Pachon
M.J.C.
Pachon
M.E.I.
et
al."Cardioneuroablation"
–
new
treatment
for
neurocardiogenic
syncope,
functional
AV
block
and
sinus
dysfunction
using
catheter
RF-ablation.EP
Europace.
2005;
7:
1-13Crossref
PubMed
Scopus
(223)
Google
Scholar
extracardiac
vagal
stimulation
(ECVS)
is
a
robust
procedural
endpoint
to
demonstrate
effective
cardiac
denervation.
The
only
available
device
ECVS
one
presented
by
Pachón,
which
currently
has
limited
availability,
not
commercialized,
does
have
CE
mark
nor
FDA
approval.2Pachon
Santillana
P.T.G.
al.Simplified
Method
Vagal
Effect
Evaluation
in
Cardiac
Ablation
Electrophysiological
Procedures.JACC
Clin
Electrophysiol.
2015;
1:
451-460Crossref
(85)
Technical
characteristics
needed
perform
include
high
rate
(20
50
Hz)
output
pacing.3Chen
W.
Liu
Z.
Xiao
P.
al.Extracardiac
Stimulation-Assisted
Cardioneuroablation:
Dynamically
Evaluating
Impact
Sequential
Ganglionated
Plexus
on
Control
SAN
AVN
Patients
with
Sinoatrial
Node
Dysfunction.J
Cardiovasc
Dev
Dis.
2022;
9Google
search
an
alternative
Pachón's
NeuroStimulator,
we
noted
strikingly
similar
pacing
"tetanus
mode"
commercially
Dräger
ToFscan
neuromuscular
monitor
(Figure
1A).
We
report
use
latter
ECVS.
A
50-year-old
male
recurrent
vasovagal
syncope
without
avoidable
triggers
was
investigated.
Head-up
tilt
testing
implantable
loop
recordings
showed
cardio-inhibition
mechanism
<15-second
arrests
during
syncope.
Given
patient's
young
age,
discussed
benefits
drawbacks
pacemaker
implantation
CNA.
He
expressed
his
preference
therapeutic
approach
agreed
confirm
procedure
performed
under
general
anesthesia
propofol,
sufentanil,
atracurium.
Target
ganglionated
plexus
(GPs)
were
selected
based
localization
fat
pads
preprocedural
computed
tomography.
focused
radiofrequency
applications
septal
GPs
through
bi-atrial
after
transseptal
puncture.
With
deflectable
quadripolar
placed
right
internal
jugular
vein
oriented
toward
superior
wisdom
tooth
fluoroscopy,
close
vagus
nerve,
delivered
burst
"tetanus"
mode
NeuroMuscular
Transmission
Monitor
1B).
demonstrated:
1)
prolonged
pause
at
baseline,
2)a
complete
atrio-ventricular
(AVB)
slightly
decelerated
rhythm
ablation
inferior
GP,
then
3)
minimal
deceleration
AVB
posteromedial
left
GP
1C).
These
results
are
those
previously
reported
Extra-Cardiac
NeuroStimulator
Pachón.4Pachon-M
E.I.
Pachon-Mateos
J.C.
Higuti
C.
al.Relation
Fractionated
Atrial
Potentials
Innervation
Evaluated
Extracardiac
Stimulation
During
Cardioneuroablation.Circ:
Arrhythmia
Electrophysiology.
2020;
13e007900Google
At
end
procedure,
near-absence
response
confirmed
from
facing
teeth.
considered
this
result
satisfactory
therefore
did
non-septal
GPs.
One
week
later,
patient
developed
mild
chest
pain
pericardial
effusion
treated
colchicine.
also
pre-syncope
episodes
but
bradycardia
ILR.
provided
lifestyle
modification
counseling
mitigate
these
residual
vasodepressor-related
symptoms.
obtained
consent
four
other
patients
1D).
Burst
nerve
deep
sedation
beginning
atrial
fibrillation
procedures.
three
patients,
it
triggered
overt
pauses
(+179%
+374%
increase
P-P
interval).
fourth
one,
generated
discrete
progressive
transient
(+38%
PP
interval)
sternocleidomastoid
muscle
contraction.
absence
or
expected
as
had
received
atropine
mechanically-induced
atrioventricular
block.
intervals
reproducible
that
observed
aortocaval
our
case
(+32%).
This
first
endovascular
different
than
Pachón.
demonstrated
could
yield
NeuroStimulator.
Tragus
recently
published
performing
noninvasive
stimulation.5Hanumanthu
B.K.
Callans
D.
Marchlinski
F.E.
Nazarian
S.
Markman
T.M.
Feasibility
Noninvasive
Tragal
Assess
Tone
Cardioneuroablation.JACC:
Clinical
2024;
S2405500X24001580Crossref
(0)
It
yielded
responses,
making
less
clear-cut
most
salient
advantage
its
allowing
assessment
effects
tone
various
conditions.
From
regulatory
point
view,
approved
human
cutaneous
application
only.
For
ECVS,
no
approval
mark,
just
like
Pachóns's
device.
presents
limitations:
First,
cannot
be
directly
connected
multi-electrode
catheter,
requiring
adapters
connections
usually
used
external
1E).
Second,
built-in
"cool
down"
impedes
second
burst"
within
3
minutes.
little
impact
if
obtain
landmark
endpoints
may
cumbersome
detailed
analysis
desired.
Third,
maximum
deliver
much
energy
1A);
even
though
apparent
cases,
might
efficacious
inducing
response.
nevertheless
interesting
option
until
dedicated
devices
approval.
Frontiers in Cardiovascular Medicine,
Journal Year:
2024,
Volume and Issue:
11
Published: Oct. 31, 2024
There
have
been
few
instances
of
symptomatic
bradycardia-arrhythmia
in
the
context
area
postrema
syndrome
(APS),
and
some
them
implanted
permanent
pacemakers.
Cardioneuroablation
(CNA)
has
emerged
as
a
viable
therapy
for
treatment
syncope
induced
by
neutrally
mediated
bradycardia
or
atrioventricular
block.
Russian Journal of Cardiology,
Journal Year:
2024,
Volume and Issue:
29(4S), P. 6206 - 6206
Published: Dec. 27, 2024
Interest
in
the
autonomic
regulation
of
cardiovascular
system
does
not
wane.
Changes
nervous
activity
are
involved
pathogenesis
acute
and
chronic
conditions,
such
as
sinus
bradycardia,
arrest
atrioventricular
block,
vasovagal
syncope
other
types
syncopal
conditions.
Traditional
methods
prevention
treatment
conditions
include
lifestyle
changes,
pharmacotherapy
and,
some
cases,
pacemaker
implantation,
but
many
cases
they
unable
to
eliminate
symptoms
or
cure
disease.
We
conducted
a
descriptive
review
most
significant
publications
on
effectiveness
development
cardiac
neuroablation
technique
patients
with
neurogenic
functional
bradyarrhythmias
—
node
dysfunction
conduction
disorders.
This
allows
effectively
prevent
neurocardiogenic
relapses,
reduce
tendency
by
eliminating
pathological
parasympathetic
tone.
Cardioneuroablation
indications
for
implantation
delay
its
implementation.