Is there an association between metabolic syndrome and cognitive function in very old adults? the newcastle 85+ study

Stephanie Harrison, Blossom Stephan, Mario Siervo, Antoneta Granic, Karen Davies, Keith Wesnes, Tom Kirkwood, Louise Robinson, Carol Jagger

    Research output: Contribution to journalArticlepeer-review

    27 Citations (Scopus)

    Abstract

    Objectives To determine, using data from the Newcastle 85+ Study, whether there is an association between modern diagnostic criteria for metabolic syndrome (MetS) and cognitive function in very old adults (≥85) and whether inflammation, physical activity, or diabetes mellitus status affects this association. Design Longitudinal, population-based cohort study. Setting Newcastle and North Tyneside, United Kingdom. Participants Community-dwelling and institutionalized men and women recruited through general practices (N = 845). Measurements MetS was defined according to the National Cholesterol Education Program (NCEP) Adult Treatment Panel III (ATP III) criteria. Cross-sectional and prospective (up to 5 years of follow-up) associations between MetS and global cognitive function (assessed using the Mini-Mental State Examination (MMSE)) and between MetS and attention and episodic memory (assessed using the Cognitive Drug Research battery) were performed. Results MetS was not associated with cognitive function at baseline or cognitive change over time. Lack of association was not because MetS was predictive of subsequent mortality. Of the individual components of the MetS criteria, high blood pressure was associated with better cognitive function at baseline (MMSE: β (standard error (SE)) = -0.716 (0.152), P <.001), and low high-density lipoprotein cholesterol was associated with poorer global cognitive function at baseline (MMSE: 0.436 (0.131), P =.001). Conclusion The association between MetS and cognitive decline, which has been described in younger populations (<75), was not apparent in this population of individuals aged 85 and older at baseline.

    Original languageEnglish
    Pages (from-to)667-675
    Number of pages9
    JournalJournal of the American Geriatrics Society
    Volume63
    Issue number4
    DOIs
    Publication statusPublished - 1 Apr 2015

    Keywords

    • aging
    • cognition
    • cohort study
    • metabolic syndrome
    • very old

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