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Background: Auditory brainstem implantation (ABI) is a modern method of treating hearing impairment, directed especially to patients with neurofibromatosis type 2 (NF2). One of the co-occurring symptoms in these patients is tinnitus; however, little is known about its prevalence and severity. This study evaluated the self-reported hearing ability, hearing-related quality of life, and tinnitus severity in 4 adult ABI users. Material and methods: The study was a retrospective design. A series of 6 patients who underwent ABI in a single tertiary referral center were asked to fill in two sets of questionnaires referring to their pre- and postoperative experiences. The Abbreviated Profile of Hearing Aid Benefit (APHAB) was used to evaluate self-perceived hearing ability and Nijmegen Cochlear Implant Questionnaire (NCIQ) to assess hearing-related quality of life. Tinnitus perception was evaluated using Tinnitus and Hearing Survey and Tinnitus Handicap Inventory (THI). Results: Of the 6 patients who initially agreed to participate, 4 returned questionnaires. Based on the self-reported results, it was found that each patient noticed an improvement in hearing ability (mean improvement in APHAB score of M = 25; SD = 27), which was greatest in background noise conditions. A considerable improvement was also noted in the patients' hearing-related quality of life (mean improvement in NCIQ score of M = 38; SD = 13), which was most pronounced for basic and advanced sound perception. Tinnitus disappeared completely in two patients and was reduced in one patient (mean improvement in THI score for these patients of M = 25; SD = 21). An increase in tinnitus severity from 26 to 84 points in THI was observed in the remaining patient, who had the greatest intensity of NF2 symptoms in the postoperative period and reported the smallest benefits with ABI. Conclusion: Brainstem implantation has the potential to improve self-reported hearing ability, hearing-related quality of life, and reduce tinnitus in NF2 patients. However, more prospective studies are needed to confirm and further explore this potential. [ABSTRACT FROM AUTHOR]

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Copyright of Journal of Hearing Science is the property of Institute of Sensory Organs and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)