Longitudinal effects of metabolic syndrome on Alzheimer and vascular related brain pathology.
2014
Background/Aims: This study examines the longitudinal effect of metabolic syndrome (MetS) on brain-aging indices among cognitively normal (CN) and amnestic mild cognitive impairment (aMCI) groups [single-domain aMCI (saMCI) and multiple-domain aMCI (maMCI)]. Methods: The study population included 739 participants (CN = 226, saMCI = 275, and maMCI = 238) from the Alzheimer’s Disease Neuroimaging Initiative, a clinic-based, multicenter prospective cohort. Confirmatory factor analysis was employed to determine a MetS latent composite score using baseline data of vascular risk factors. We examined the changes of two Alzheimer’s disease (AD) biomarkers, namely [ 18 F]fluorodeoxyglucose (FDG)-positron emission tomography (PET) regions of interest and medial temporal lobe volume over 5 years.
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