Abstract：
:Sensorineural hearing loss is the most common disease associated with systemic retinitis pigmentosa (RP). We have conducted an epidemiological study to assess the correlation of age at onset of visual symptoms and hearing loss associated with RP. Epidemiological data was derived from a questionnaire-based study of patients who are registered members of the Japanese Retinitis Pigmentosa Society (n = 3200). The questionnaire was mailed to these patients in 2002, and information was requested regarding age at onset of visual disturbance, awareness of hearing loss and the presence of progressive hearing loss, age at onset of hearing loss, awareness of tinnitus, and history of audiometric examination and hearing aid usage. 26.1% of the questionnaires were returned, and data for 828 patients with RP diagnosed by an ophthalmologist were evaluated. Cochlear symptoms were reported by 356 patients (43.0% of the total population), with hearing loss in 29.5%, tinnitus in 31.5% and hearing loss and tinnitus in 39.3% of the 356 patients. Of these 356 patients, progressive hearing loss was reported by 44.9% and was independent of age at onset of cochlear symptoms. The mean age at onset of visual symptoms was higher for patients with progressive hearing loss, and a significant correlation was found between the age at onset of visual symptoms and hearing loss for patients who were older at onset of the symptoms (>30 years of age). Onset of hearing loss occurs later and hearing loss is also more progressive for patients with late onset of RP. This suggests that particular care regarding hearing loss is necessary for this patient population, and that cooperation between opthalmologists and otologists is required for diagnosis of RP-hearing impairment-associated syndromes in this group of patients.
journal_name
Int Ophthalmoljournal_title
International ophthalmologyauthors
Iwasaki S,Maruyama Y,Hotta Y,Hashimoto Y,Nagura Mdoi
10.1007/s10792-005-2035-ysubject
Has Abstractpub_date
2004-10-01 00:00:00pages
277-82issue
5-6eissn
0165-5701issn
1573-2630journal_volume
25pub_type
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