高齢者の耳垢の頻度と認知機能,聴力との関連

  • 杉浦 彩子
    国立長寿医療研究センター耳鼻咽喉科
  • 内田 育恵
    愛知医科大学耳鼻咽喉科 国立長寿医療研究センター耳鼻咽喉科
  • 中島 務
    名古屋大学大学院医学系研究科頭頸部・感覚器外科学講座耳鼻咽喉科
  • 西田 裕紀子
    国立長寿医療研究センター予防開発部
  • 丹下 智香子
    国立長寿医療研究センター予防開発部
  • 安藤 富士子
    愛知淑徳大学健康医療科学部スポーツ・健康医科学科 国立長寿医療研究センター予防開発部
  • 下方 浩史
    国立長寿医療研究センター予防開発部

書誌事項

タイトル別名
  • Association between cerumen impaction, cognitive function and hearing in Japanese elderly
  • コウレイシャ ノ ミミアカ ノ ヒンド ト ニンチ キノウ,チョウリョク ト ノ カンレン

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Aim: In this study we aimed to evaluate the frequency of cerumen impaction in Japanese elderly and clarify the associations between cerumen, cognitive function, and hearing impairment.<br> Methods: The subjects enrolleded in this study were participants in the National Institute for Longevity Sciences, Longitudinal Study of Aging (NILS-LSA). The data of 792 community-dwelling participants aged 60 to 88 years old were collected. All had taken the Mini-Mental State Examination (MMSE) and had undergone pure tone audiometry (PTA) assessment and video recording of an otoscopic examination. We then analyzed associations between the incidence of the cerumen impaction of better-hearing ear, hearing level and MMSE scores using a general linear model.<br> Results: Cerumen impaction of the better-hearing ear was observed in 10.7% of all participants. In participants with an MMSE score of less than 24, the frequency of cerumen impaction was 23.3%. Cerumen was significant associated with poorer hearing after adjustment for sex and age (p=0.0001). Cerumen impaction also showed a significant association with a low MMSE score after adjustment for sex, age, hearing level and education (p=0.02).<br> Conclusions: The frequency of cerumen impaction in Japanese elderly was estimated to be approximately 10%. The existence of cerumen impaction was associated with poorer hearing level and lower MMSE score.<br>

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