engleski

Aids on Cognitive Abilities and Subjective Tinnitus in Patients with Sensorineural Hearing Loss: A Pilot Study

There is an increased number of people with hearing impairment and decreased cognitive abilities among the elderly population. Due to the fact that the auditory system and central nervous system are connected, pathological changes associated with aging occur on both levels. With the development of hearing aid technology, the quality of life of these patients can be improved. The aim of this study was to determine whether wearing a hearing aid has an impact on cognitive abilities and tinnitus. Current research does not show a clear connection between these factors. This study involved 44 subjects with sensorineural hearing loss. They were divided into two groups of 22 people, depending on whether they had previously used a hearing aid or not. Assessment of cognitive abilities was performed via the MoCA questionnaire, and assessment of the impact of tinnitus on daily activities was evaluated using the Tinnitus Handicap Inventory (THI) and the Iowa Tinnitus Handicap Questionnaire (ITHQ). Hearing aid status was classified as a primary outcome, while cognitive assessment and tinnitus intensity were associated variables. Our study showed an association between longer hearing aid use and poorer naming ability (p = 0.030, OR 4.734), poorer delayed recall (p = 0.033, OR 4.537), and spatial orientation (p = 0.016, OR 5.773) when compared with patients who had not used hearing aids, while tinnitus did not correlate with cognitive impairment. Based on the results, we can emphasize the importance of the auditory system as an input source for the central nervous system. The data direct us to improve the rehabilitation strategies for hearing and cognitive abilities in patients. Such an approach results higher quality of life in patients and prevents further cognitive decline.

Cognition ; Hearing aid ; Sensorineural hearing loss ; Tinnitus ; Quality of life

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