Periodontitis Is Associated with Cognitive Impairment in Elderly Koreans: Results from the Yangpyeong Cohort Study

Journal of the American Geriatrics Society
Hye-Sun ShinHyun-Duck Kim

Abstract

To investigate the association between periodontitis and cognitive impairment in elderly Koreans. Cross-sectional study with age- and sex-matched case-control selection. The Yangpyeong cardiovascular cohort (YCC), a part of the Korean Genome Epidemiologic Study (KoGES), Yangpyeong, South Korea. Individuals with cognitive impairment (n = 65) and cognitively normal controls (n = 124) aged 60 and older from the YCC. Alveolar bone loss was assessed on dental panoramic radiographs to categorize the cumulative history of periodontitis (HOP) into three groups: normal, moderate periodontitis, severe periodontitis. The Mini-Mental State Examination (MMSE) was used to categorize participants as cognitively normal or cognitively impaired. Age- and sex-matched conditional logistic regression models were used for analysis. Confounders considered in the analysis were age, sex, drinking, smoking, exercise, total cholesterol, total protein, body mass index, fasting plasma glucose, intima-media thickness, hypertension medication, and depression. Participants with HOP were more likely to have cognitive impairment than those without (odds ratio = 2.14, 95% confidence interval = 1.04-4.41). The interaction effect of smoking and exercise on periodo...Continue Reading

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Citations

Oct 23, 2018·Journal of Periodontal Research·Masanori IwasakiKozo Matsubayashi
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