Retrospective evaluation of secondary effects of hearing aids for tinnitus therapy in patients with hearing loss. 5

• Material Type: 博士論文
• Title: Retrospective evaluation of secondary effects of hearing aids for tinnitus therapy in patients with hearing loss.
• Volume: 47 5
• Author/Editor: Yokota, Yoshihiro; Yamashita, Akinori; Koyama, Shinji; Kitano, Koichi; Otsuka, Shintaro; Kitahara, Tadashi
• Author Heading: Yokota, Yoshihiro; Yamashita, Akinori; Koyama, Shinji; Kitano, Koichi; Otsuka, Shintaro; Kitahara, Tadashi
• Publication, Distribution, etc.: Elsevier
• Publication Date: 2020-10; 47 5
• Publication Date (W3CDTF): 2020-10
• Alternative Title: 難聴患者における耳鳴り治療のための補聴器の副次的効果の遡及的評価
• Periodical title: Auris, nasus, larynx
• Pages: 763-768
• ISSN (Periodical Title): 03858146
• Degree Grantor: 奈良県立医科大学
• Date Granted: 2020-09-30
• Date Granted (W3CDTF): 2020-09-30
• Dissertation Number: 甲第755号
• Degree Type: 博士（医学）
• Conferring No. (Dissertation): 甲第755号
• Text Language Code: eng
• Subject Heading: Hearing loss; Hearing aid; Bilateral tinnitus; Unilateral tinnitus; Wearing side
• Target Audience: 一般
• Note (General): 出版タイプ： VoR; type:Thesis; Objective: Acoustic therapies including hearing aids and tinnitus control instruments are widely used in Japan but without high levels of evidence. The outpatient hearing aid clinic at our institution fits patients with hearing aids and instructs patients on how to use them to control tinnitus if present. In this study, we examined the effects of this approach on tinnitus. Methods: One hundred and eleven of 138 patients who visited our hearing aid clinic from April 2016 to September 2018 purchased hearing aids after fitting. Sixty-six of these patients (31 men, 35 women; mean age 78.0 ± 8.0 years) had both hearing loss and tinnitus and were enrolled. The tinnitus was bilateral in 41 patients and unilateral in 25 (poor hearing ear, n = 16, good hearing ear, n = 9). Hearing aids were worn bilaterally by 23 patients and unilaterally by 43 (89 devices). Seventeen of the 23 patients wearing bilateral hearing aids had bilateral tinnitus and 6 had unilateral tinnitus, i.e., in 40 ears, the tinnitus side matched the hearing aid side (40 devices) and in 6 ears did not (6 devices). Twenty-four of 43 patients wearing unilateral hearing aids had bilateral tinnitus, meaning that in 24 ears the tinnitus side matched the hearing aid side (24 devices). In six of the remaining 19 cases with unilateral tinnitus, the hearing aid and tinnitus were on the same side (6 devices) and in 13 were on opposite sides (13 devices). Changes in the Tinnitus Handicap Inventory (THI), visual analog scale (VAS, for tinnitus discomfort, severity, and persistence), and Hospital Anxiety and Depression Scale scores were measured immediately before using a hearing aid and 12 months later. Results: Significant effects of hearing aids on tinnitus were observed in all subjects (THI, p = 0.0000030), VAS (severity, p = 0.000000066; discomfort, p = 0.0000013). Significant effects were observed with bilateral hearing aids (THI, p = 0.0012; VAS for severity, p = 0.00069; VAS for discomfort, p = 0.00052) and with unilateral hearing aids (THI, p = 0.00055; VAS for severity, p = 0.000034; VAS for discomfort, p = 0.00007). Spearman's rank correlation coefficient showed a significant positive correlation between the THI and VAS scores (p = 0.0033). In cases of bilateral tinnitus, significant differences were observed with bilateral hearing aids (THI, p = 0.011; VAS for severity, p = 0.0019; VAS for discomfort; p = 0.020) and with unilateral hearing aids (THI, p = 0.00069; VAS for severity, p = 0.00071; VAS for discomfort, p = 0.000093). Conclusion: Acoustic therapy using hearing aids was effective for tinnitus. Even when bilateral, a unilateral hearing aid is able to improve tinnitus. When unilateral, the ipsilateral hearing aid is able to improve tinnitus.; 博士（医学）・甲第755号・令和2年9月30日; © 2020 Oto-Rhino-Laryngological Society of Japan Inc. Published by Elsevier B.V. All rights reserved.; identifier:Auris, nasus, larynx Vol.47 No.5 p.763-768 (2020 Oct); identifier:03858146; identifier:http://ginmu.naramed-u.ac.jp/dspace/handle/10564/3779; identifier:Auris, nasus, larynx, 47(5): 763-768
• Persistent ID (NDL): info:ndljp/pid/11583358; https://dl.ndl.go.jp/pid/11583358
• Collection: 障害者向け資料
• Collection (Materials For Handicapped People:1): テキストデータ
• Collection (particular): 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文; https://dl.ndl.go.jp/collections/A00014
• Acquisition Basis: 博士論文（自動収集）
• Date Accepted (W3CDTF): 2020-12-08T06:37:43+09:00
• Format (IMT): application/pdf
• Access Restrictions: 国立国会図書館内限定公開
• Service for the Digitized Contents Transmission Service: 図書館・個人送信対象外
• Availability of remote photoduplication service: 可
• Related Material (URI): https://doi.org/10.1016/j.anl.2020.03.005
• Periodical Title (URI): http://hdl.handle.net/10564/3779
• Data Provider (Database): 国立国会図書館 : 国立国会図書館デジタルコレクション; https://dl.ndl.go.jp

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