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Endoscopic aqueductoplasty.
[hydrocephalus with stenosis of the aqueduct of sylvius]
Endoscopic
aqueductoplasty
(
EA
)
was
considered
as
a
good
alternative
to
endoscopic
third
ventriculostomy
(
ETV
)
in
selected
patients
.
A
personal
experience
on
EA
is
presented
in
this
paper
.
Forty
-
five
patients
with
primary
or
secondary
aqueductal
stenosis
underwent
EA
with
or
without
a
stent
between
June
2000
and
June
2005
.
Age
,
gender
,
diagnosis
,
endoscopic
procedures
,
complications
,
and
outcome
were
reviewed
.
EA
was
considered
successful
when
patients
with
noncommunicating
hydrocephalus
became
shunt-free
.
When
the
patient
did
not
need
a
fourth
ventricular
shunt
after
the
EA
with
or
without
a
stent
,
it
was
considered
to
be
successful
in
patients
with
isolated
fourth
ventricle
.
Fifteen
patients
were
older
than
18
years
of
age
.
EA
,
EA
with
stent
,
EA
with
ETV
,
and
EA
with
stent
in
addition
to
ETV
were
performed
in
11
,
6
,
11
,
and
17
patients
,
respectively
.
Out
of
45
patients
who
had
undergone
EA
with
or
without
stent
and
ETV
,
31
(
69
%
)
benefited
from
the
endoscopic
procedures
.
The
type
of
the
endoscopic
procedure
,
diagnosis
,
and
the
age
of
the
patients
did
not
significantly
affect
the
outcome
.
EA
with
a
stent
can
be
performed
in
patients
with
isolated
fourth
ventricle
and
in
patients
with
aqueduct
stenosis
in
which
ETV
is
not
feasible
.
EA
can
be
dangerous
and
useless
in
aqueduct
stenosis
(
AS
)
,
and
EA
with
ETV
is
even
more
useless
.
Those
patients
who
have
undergone
EA
should
be
closely
followed
up
for
a
long
period
of
time
because
restenosis
of
the
aqueduct
and
stent
migration
may
happen
years
after
endoscopic
surgery
.
Diseases
Validation
Diseases presenting
"isolated fourth ventricle and in patients with aqueduct"
symptom
hydrocephalus with stenosis of the aqueduct of sylvius
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