Association between Oral Health Conditions and Nutritional Status in Hemodialysis Patients

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  • YAMASAKI Akika
    Social Medical Corporation, Kawashima Kai, Kawashima Hospital Department of Dentistry/Dental Oral Surgery Department of Hygiene and Oral Health Science,Tokushima University Graduate School of Biomedical Sciences
  • YOSHIOKA Masami
    Department of Oral Health Science and Social Welfare,Tokushima University Graduate School of Biomedical Sciences
  • BANDO Takashi
    Association of Medical Corporation, Daieikai Hamamatsu Dental Clinic
  • HINODE Daisuke
    Department of Hygiene and Oral Health Science,Tokushima University Graduate School of Biomedical Sciences

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Other Title
  • 血液透析患者における現在歯数および咬合支持状態と栄養状態との関連性
  • ケツエキ トウセキ カンジャ ニ オケル ゲンザイ ハスウ オヨビ コウゴウシジ ジョウタイ ト エイヨウ ジョウタイ ト ノ カンレンセイ

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<p> Recently, concerns over malnutrition in hemodialysis patients have been highlighted, along with the aging of patients. The most important cause of malnutrition in hemodialysis patients is considered to be an inadequate dietary intake. However, the involvement of oral health conditions in the malnutrition of hemodialysis patients has not been fully elucidated. The aim of this study was to clarify the relationships between oral health conditions [number of remaining natural teeth and occlusion status] and nutritional status in hemodialysis patients. We evaluated and analyzed oral health conditions [number of remaining natural teeth and occlusion status] and the nutritional status of patients at their first visit to the Department of Oral Surgery in a hemodialysis hospital.</p><p> We found significant correlations between the number of remaining teeth or occlusion status and normalized protein catabolic rate (nPCR). Significant differences between groups divided according to the Eichner index (Group A vs. Group B/C) were also found (0.97±0.20 vs. 0.90±0.17, respectively, Student’s t-test, p=0.023). Moreover, logistic regression analysis suggested that nPCR could be attributed to the number of remaining natural teeth and Eichner index (OR=0.945, 95% CI: 0.907-0.985; p=0.007 and OR=2.464, 95% CI: 1.079-5.626; p=0.032, respectively). Since nPCR is an indicator used for monitoring protein intake, tooth loss and an inadequate occlusion status might lead to decreased protein intake in hemodialysis patients. These results suggest that it is necessary to consider the number of remaining natural teeth and occlusion status as risks of malnutrition in hemodialysis patients.</p>

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