49 cases diagnosed with unilateral
vestibular neuritis were examined
using
pure tone (PT) audiometry at
both
conventional (250 Hz-8 KHz)
and
high frequencies (10- 20 KHz).
The
affected ears with vestibular
neuritis
(VN) were compared with
the
unaffected ear and with a group < br />of
normal volunteers. The difference
in
PT threshold between both ears in
patients
with VN and the normal
group < br />was calculated. Results: In patients
with VN, the mean PT threshold
differences between the affected
and
unaffected ears showed no significant
difference when compared to
the
mean PT threshold differences in
conventional
audiometric frequencies.
On the other hand, the mean
PT
threshold differences between
the
affected and unaffected ears in
patients
with VN showed significant difference when compared to the
mean PT threshold differences in
high audiometric frequencies. Conclusion:
there is no isolated vestibular
lesion. The causative factors for
vestibular
pathology may affect the
cochlear
function.