Hearing impairment in rheumatoid arthritis has been shown by sever
al studies. Some studies showed the sensorinewal nature of hearing loss
denoting inner ear affection while others showed conductive hearing loss
denoting middle ear affection.
The aim of this study was to assess the affection of the Auditory Func
tion in relation to rheumatoid arthritis and its relation to the activity of the
disease. This study was conducted upon two groups: study group and
control group. The study group included 50 patients with rheumatoid ar
thritis and normal ear, drum and middle ear by clinical examination, cas
es treated by ototoxic drugs were excluded from the study. The study
group subdivided into active and inactive group and control group includ
ed 26 patients free from rheumatoid and hearing loss.
The study showed 22% (22 ears) from the study group had SNHL and
6% (6 ears) had mixed hearing loss. Conductive deafness not detected in
any case of study groups.
The results of ABR, SISI, tone decay and WDS showed that the lesion
most probably occur in cochlea.
The study showed some cases with ossicular loosening and others
with Stiffness. There is no difference Between RF +ve and RF-ve, also ac
tive rheumatoid and inactive regarding to hearing loss. |