Neck Circumference and Cerebral Gray Matter Volume

Chol Shin, Regina E.Y. Kim, Robert J. Thomas, Chang Ho Yun, Seung Ku Lee, Robert D. Abbott

    Research output: Contribution to journalArticlepeer-review

    3 Citations (Scopus)

    Abstract

    Background:While obesity is linked with brain atrophy and dementia incidence, associations with regional adiposity are uncertain. Our goal was to determine whether cerebral gray matter volume is related to neck circumference (NC), a measure of regional adiposity having unique relationships with metabolic disorders and cardiovascular disease.Methods:Magnetic resonance imaging and NC were cross-sectionally assessed from 2011 to 2014 in a population-based sample of 2916 men and women in the Korean Genome and Epidemiology Study.Results:For men, NC was inversely associated with total and regional gray matter in the frontal, temporal, and occipital lobes after adjusting for age and intracranial brain volume. Associations were especially strong in the presence of diabetes. With further adjustment for indices of body composition and other characteristics, total and frontal gray matter in diabetic men were lowered by 6.1 mL (95% confidence interval: 2.5-9.7, P=0.004) and 2.9 mL (95% confidence interval: 1.0-4.9, P=0.017), respectively, per SD increase in NC (2.3 cm). For men without diabetes, and in all women, associations were less apparent.Conclusions:In men with diabetes, NC was inversely associated with cerebral gray matter volume. The link between neck anthropometry and brain aging in diabetic men warrants further consideration.

    Original languageEnglish
    Pages (from-to)306-312
    Number of pages7
    JournalAlzheimer Disease and Associated Disorders
    Volume34
    Issue number4
    DOIs
    Publication statusPublished - 2020

    Bibliographical note

    Funding Information:
    Supported by the Korea Centers for Disease Control and Prevention (grant numbers 2011-E71004-00, 2012-E71005-00, 2013-E71005-00, 2014-E71003-00, 2015-P71001-00, and 2016-E71003-00), the Ministry of Science and ICT (grant number 2012-0009830), and the Brain Pool Program from the National Research Foundation of Korea (grant numbers 2018H1D3A2065629 and 2019H1D3A2A01101353).

    Publisher Copyright:
    © 2020 Wolters Kluwer Health, Inc. All rights reserved.

    Keywords

    • brain atrophy
    • cerebral gray matter
    • dementia
    • epidemiology
    • neck circumference

    ASJC Scopus subject areas

    • Clinical Psychology
    • Gerontology
    • Geriatrics and Gerontology
    • Psychiatry and Mental health

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