Relationship between tinnitus and olfactory dysfunction: audiovisual, olfactory, and medical examinations

Naomi Katayama, Tadao Yoshida, Tsutomu Nakashima, Yasuki Ito, Masaaki Teranishi, Takeshi Iwase, Saiko Sugiura, Kensuke Goto, Yasue Uchida, Yosuke Taki, Takafumi Nakada, Ai Tada, Hirokazu Suzuki, Yuta Nakano, Mariko Shimono, Naoki Saji, Anna Kogure, Emiko Shimizu, Michihiko Sone, Nobuyuki Hamajima

研究成果: ジャーナルへの寄稿学術論文査読

2 被引用数 (Scopus)

抄録

Introduction: Sensory dysfunctions and cognitive impairments are related to each other. Although a relationship between tinnitus and subjective olfactory dysfunction has been reported, there have been no reports investigating the relationship between tinnitus and olfactory test results. Methods: To investigate the relationship between tinnitus and olfactory test results, we conducted sensory tests, including hearing and visual examinations. The subjects included 510 community-dwelling individuals (295 women and 215 men) who attended a health checkup in Yakumo, Japan. The age of the subjects ranged from 40 to 91 years (mean ± standard deviation, 63.8 ± 9.9 years). The participants completed a self-reported questionnaire on subjective tinnitus, olfactory function, and hearing function, as well as their lifestyle. The health checkup included smell, hearing, vision, and blood examinations. Results: After adjusting for age and sex, the presence of tinnitus was significantly associated with subjective olfactory dysfunction, poor olfactory test results, hearing deterioration, vertigo, and headache. Additionally, high serum calcium levels and a low albumin/globulin ratio were significantly associated with low physical activity and nutrition. Women scored higher than men in olfactory and hearing examinations, but there was no gender difference in vision examinations. Conclusion: Subjective smell dysfunction and poor smell test results were significantly associated with tinnitus complaints. Hearing and vision were associated even after adjusting for age and sex. These findings suggest that evaluating the mutual relationships among sensory organs is important when evaluating the influence of sensory dysfunctions on cognitive function.

本文言語英語
論文番号1124404
ジャーナルFrontiers in Public Health
11
DOI
出版ステータス出版済み - 2023

All Science Journal Classification (ASJC) codes

  • 公衆衛生学、環境および労働衛生

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