Baseline White Matter Hyperintensities and Hippocampal Volume are Associated with Conversion from Normal Cognition to Mild Cognitive Impairment in the Framingham Offspring Study

Katherine J. Bangen, Sarah R. Preis, Lisa Delano-Wood, Philip A. Wolf, David J. Libon, Mark W. Bondi, Rhoda Au, Charles DeCarli, Adam M. Brickman

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

Introduction: We examined associations between magnetic resonance imaging (MRI) markers of cerebrovascular disease and neurodegeneration with mild cognitive impairment (MCI) diagnosis at baseline and conversion from normal cognition to MCI at follow-up. Methods: Framingham Offspring participants underwent brain MRI and neuropsychological assessment at baseline (n=1049) and follow-up (n=561). Participants were classified at baseline and at follow-up as cognitively normal or MCI using sensitive neuropsychological criteria. White matter hyperintensity (WMH) volume, covert brain infarcts, hippocampal volume, and total cerebral brain volume were quantified. Results: Baseline measures of WMH and hippocampal volume were associated with MCI status cross-sectionally and also with conversion from normal cognition to MCI at 6.5-year follow-up. Annualized change rates in total cerebral brain volume and hippocampal volume were associated with conversion from normal cognition to MCI to follow-up. Discussion: Baseline WMH and hippocampal volume are markers that are both associated with conversion from normal cognition to MCI, highlighting the role of both vascular lesions and neurodegeneration in MCI.

Original languageEnglish (US)
Pages (from-to)50-56
Number of pages7
JournalAlzheimer Disease and Associated Disorders
Volume32
Issue number1
DOIs
StatePublished - Jan 1 2018

Keywords

  • hippocampal volume
  • MCI
  • mild cognitive impairment
  • MRI
  • volumetric MRI
  • white matter hyperintensity

ASJC Scopus subject areas

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

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