並列タイトル等加齢に伴うオトガイ舌骨筋の形態的変化は嚥下機能の低下を予測し得る
タイトル（掲載誌）Journal of Oral Health and Biosciences
一般注記Background: Early detection and treatment to sarcopenia and presbyphagia are needed to address the problems experienced by an aging population.Objective: We aimed to clarify morphological changes in the geniohyoid (GH) muscle and associated aging-related factors, and to examine if changes in the GH muscle predict reduced swallowing function.Materials and Methods: 103 participants (57 women and 46 men, mean age 59.4 ± 19.5 years) were recruited. GH muscle cross-sectional area (CSA) and contraction velocity were measured using ultrasonography. Body height and weight, neck circumference, body mass index, remaining teeth number, occluding teeth number, tongue pressure, and jaw-opening strength were measured. Swallowing function was evaluated using the swallowing screening assessment questionnaire and by measuring swallowing sound duration.Results: GH muscle CSA significantly affected age, gender, body height and weight, neck circumference, remaining teeth number, occluding teeth number, tongue pressure, jaw-opening strength, duration of swallowing sounds, and GH muscle velocity. Covariance structure analysis showed that GH muscle CSA directly influenced swallowing sound duration.Conclusion: Morphological changes in the GH muscle are predictive of decline in swallowing function.
DOIinfo:doi/10.20738/johb.30.1_18
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受理日（W3CDTF）2017-12-04T02:02:48+09:00
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