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[Peculiarities of cerebral structures functioning in adolescents with achondroplasia].
[achondroplasia]
Complex
neurophysiological
examination
(
rheoencephalography
,
electroencephalography
)
was
carried
out
in
12
adolescents
12
to
18
years
old
in
order
to
reveal
the
peculiarities
of
cerebral
structures
functioning
in
adolescents
with
achondroplasia
.
Some
deviations
from
the
normal
values
were
found
out
:
reduced
blood
filling
of
the
brain
vessels
in
the
pools
of
a
.
carotis
interna
and
a
.
vertebralis
,
rheoencephalographic
signs
of
intracranial
hypertension
of
mild
degree
and
brain
cycling
characterized
by
moderate
and
significant
amplitude
increase
,
presence
of
pathological
types
(
delta-
,
theta-
)
of
the
rhythmics
and
the
reduction
of
the
physiological
ones
(
alpha-
,
beta
-
)
.
At
the
same
time
the
peculiarities
of
rheoencephalographic
indices
were
observed
while
functional
testings
(
hypercapnia
,
hyperoxia
)
.
Brain
cycling
differed
from
normal
values
by
weaker
response
to
the
weight-bearing
,
mainly
in
alpha-
and
beta
-ranges
.
Diseases
Validation
Diseases presenting
"intracranial hypertension"
symptom
achondroplasia
cushing syndrome
hydrocephalus with stenosis of the aqueduct of sylvius
von hippel-lindau disease
This symptom has already been validated
