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What Metabolic Syndrome Contributes to Brain Outcomes in African American & Caucasian Cohorts.

Abstract：

:Metabolic syndrome (MetS), i.e., meeting criteria for any three of the following: hyperglycemia, hypertension, hypertriglyceridemia, low high-density lipoprotein and/or abdominal obesity, is associated with negative health outcomes. For example, MetS negatively impacts cognition; however, less is known about incremental MetS risk, i.e., meeting 1 or 2 as opposed to 3 or more criteria. We hypothesized incremental MetS risk would negatively contribute to cognition and relevant neuroanatomy, e.g., memory and hippocampal volumes, and that this risk extends to affective functioning. 119 non-demented/non-depressed participants (age=60.1+12.9;~50% African American) grouped by incremental MetS risk-no (0 criteria met), low (1-2 criteria met), or high (3+ criteria met)-were compared across cognition, affect and relevant neuroanatomy using multivariable linear regressions. Exploratory analyses, stratified by race, consider the role of health disparities in disease severity of individual MetS component (e.g., actual blood pressure readings) on significant results from primary analyses. Incremental MetS risk contributed to depressive symptomatology (nolow=high) after controlling for age, race (n.s.) and IQ. Different indices of disease severity contributed to different aspects of brain structure and function by race providing empirical support for future studies of the impact distinct health disparities in vascular risk have on brain aging. MetS compromised mood, cognition and hippocampal structure with incremental risk applying to some but not all of these outcomes. Care providers may wish to monitor a broader spectrum of risk including components of MetS like blood pressure and cholesterol levels when considering brain-behavior relationships in adults from diverse populations.

journal_name

Curr Alzheimer Res

journal_title

Current Alzheimer research

authors

Lamar M,Rubin LH,Ajilore O,Charlton R,Zhang A,Yang S,Cohen J,Kumar A

doi

10.2174/1567205012666150701102325

subject

Has Abstract

pub_date

2015-01-01 00:00:00

pages

640-7

issue

eissn

1567-2050

issn

1875-5828

pii

CAR-EPUB-68429

journal_volume

pub_type

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What Metabolic Syndrome Contributes to Brain Outcomes in African American & Caucasian Cohorts.