Otologic And Audiologicalevaluation Among HIV Patients In Ilorin | 12414
Otolaryngology: Open Access
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This study is to determine the prevalence of hearing loss and hearing patterns among adults Nigerians with HIV and causal
relationships between CD4+ counts with the degree of hearing impairments.
Patients and methods:
This prospective study was carried out among all consecutive HIV positive patients attending the clinic at the
University of Ilorin teaching hospital (U.I.T.H.), Ilorin, Nigeria between January and July, 2011.
They all had audiological assessments with a pure tone audiometer within the frequency range 250 to 8,000Hz to determine their hearing
thresholds together with their CD+ counts estimations.
89 were evaluated in the age range of 18 to 56years (Mean 36.4years, SD of 8.82) and the modal age group was 21-39years (59.6%),
40-56years (38.2%).There were 51males (57.3%) and 38 females (42.7%) with a male/female ratio of 1.3:1.0. Otological symptoms included
tinnitus (15.7%), vertigo (15.7%), otalgia (14.6%) and hard of hearing (10%).
Examinations showed bilateral serous Otitis media (glue ear) in 58patients (65.1%) with no affectation of the facial nerves. PTA showed
mixed, conductive and SNHL in 32 patients (36%), 20patients (22.5%), 9patients (10.1%) respectively and only 15(16.9%) had normal
hearing thresholds. The CD4+ counts ranged between 12 to 616. CD4 counts with hearing loss mostly <300mm3.
The prevalence of hearing loss is 87% among HIV infected patients, mostly mixed HL with causal relationships between
reduced CD4+ counts of less than 300/mm3 with severity of hearing loss. The hearing loss can interfere with the communication and
specific knowledge vital to the development of best practices towards ensuring the inclusion of hearing impaired in HIV/AIDS prevention
and treatment programmes.
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