Midlife Metabolic Profile and the Risk of Late-Life Cognitive Decline

Rosanna Tortelli, Madia Lozupone, Vito Guerra, Maria Rosaria Barulli, Bruno P Imbimbo, Rosa Capozzo, Alessandra Grasso, Marianna Tursi, Cristina Di Dio, Rodolfo Sardone, Gianluigi Giannelli, Davide Seripa, Giovanni Misciagna, Francesco Panza, Giancarlo Logroscino

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Abstract

Among metabolic syndrome components, the effects of higher plasma glucose levels on cognitive decline (CD) have been considered in few studies. We evaluated the associations among midlife glycemia, total cholesterol, high-density lipoprotein cholesterol, triglycerides, midlife insulin resistance [homeostasis model assessment for insulin resistance (HOMA-index)], and CD in the older subjects of the population-based MICOL Study (Castellana Grotte, Italy) at baseline (M1) and at follow-ups seven (M2) and twenty years later (M3). At M1, a dementia risk score and a composite cardiovascular risk score for dementia were calculated. For 797 subjects out of 833, we obtained a Mini-Mental State Examination (MMSE) score at M3, subdividing these subjects in three cognitive functioning subgroups: normal cognition, mild CD, and moderate-severe CD. Mean fasting glycemia at baseline was significantly higher in moderate-severe CD subgroup (114.6±71.4 mg/dl) than in the normal cognition subgroup (101.2±20.6). Adjusting for gender, age, and other metabolic components, higher fasting glycemia values both at M1 [odds ratio (OR) = 1.31; 95% confidence interval (CI): 1.08-1.59] and M2 (OR = 1.26; 95% CI: 1.01-1.57) were associated with an increased risk of moderate-severe CD. Mean HOMA index value was significantly higher in the moderate-severe CD subgroup (5.7±9.4) compared to the normal cognition subgroup (2.9±1.4) at M1. The dementia risk probability (MMSE < 24) increased moving through higher categories of the dementia risk score and decreased as long as the cardiovascular score increased. The present findings highlighted the indication to control blood glucose levels, regardless of a diagnosis of diabetes mellitus, as early as midlife for prevention of late-life dementia.

Original languageEnglish
Pages (from-to)121-130
Number of pages10
JournalJournal of Alzheimer's Disease
Volume59
Issue number1
DOIs
Publication statusPublished - 2017

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Metabolome
Dementia
Cognition
Insulin Resistance
Fasting
Odds Ratio
Confidence Intervals
Cognitive Dysfunction
HDL Cholesterol
Italy
Blood Glucose
Diabetes Mellitus
Triglycerides
Homeostasis
Cholesterol
Glucose
Population

Keywords

  • Journal Article

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Tortelli, R., Lozupone, M., Guerra, V., Barulli, M. R., Imbimbo, B. P., Capozzo, R., ... Logroscino, G. (2017). Midlife Metabolic Profile and the Risk of Late-Life Cognitive Decline. Journal of Alzheimer's Disease, 59(1), 121-130. https://doi.org/10.3233/JAD-170153

Midlife Metabolic Profile and the Risk of Late-Life Cognitive Decline. / Tortelli, Rosanna; Lozupone, Madia; Guerra, Vito; Barulli, Maria Rosaria; Imbimbo, Bruno P; Capozzo, Rosa; Grasso, Alessandra; Tursi, Marianna; Di Dio, Cristina; Sardone, Rodolfo; Giannelli, Gianluigi; Seripa, Davide; Misciagna, Giovanni; Panza, Francesco; Logroscino, Giancarlo.

In: Journal of Alzheimer's Disease, Vol. 59, No. 1, 2017, p. 121-130.

Research output: Contribution to journalArticle

Tortelli, R, Lozupone, M, Guerra, V, Barulli, MR, Imbimbo, BP, Capozzo, R, Grasso, A, Tursi, M, Di Dio, C, Sardone, R, Giannelli, G, Seripa, D, Misciagna, G, Panza, F & Logroscino, G 2017, 'Midlife Metabolic Profile and the Risk of Late-Life Cognitive Decline', Journal of Alzheimer's Disease, vol. 59, no. 1, pp. 121-130. https://doi.org/10.3233/JAD-170153
Tortelli, Rosanna ; Lozupone, Madia ; Guerra, Vito ; Barulli, Maria Rosaria ; Imbimbo, Bruno P ; Capozzo, Rosa ; Grasso, Alessandra ; Tursi, Marianna ; Di Dio, Cristina ; Sardone, Rodolfo ; Giannelli, Gianluigi ; Seripa, Davide ; Misciagna, Giovanni ; Panza, Francesco ; Logroscino, Giancarlo. / Midlife Metabolic Profile and the Risk of Late-Life Cognitive Decline. In: Journal of Alzheimer's Disease. 2017 ; Vol. 59, No. 1. pp. 121-130.
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