Clinical significance of corpus callosum atrophy in a mixed elderly population

C. Ryberg, E. Rostrup, Mikkel Bille Stegmann, F. Barkhof

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Corpus callosum (CC) is the main tract connecting the hemispheres, but the clinical significance of CC atrophy is poorly understood. The aim of this work was to investigate clinical and functional correlates of CC atrophy in subjects with age-related white matter changes (ARWMC). In 569 elderly subjects with ARWMC from the Leukoaraiosis And DISability (LADIS) study, the CC was segmented on the normalised mid-sagittal magnetic resonance imaging (MRI) slice and subdivided into five regions. Correlations between the CC areas and subjective memory complaints, mini mental state examination (MMSE) score, history of depression, geriatric depression scale (GDS) score, subjective gait difficulty, history of falls, walking speed, and total score on the short physical performance battery (SPPB) were analyzed.

    Significant correlations between CC atrophy and MMSE, SPPB, and walking speed were identified, and the CC areas were smaller in subjects with subjective gait difficulty. The correlations remained significant after correction for ARWMC grade. In conclusion, CC atrophy was independently associated with impaired global cognitive and motor function in subjects with ARWMC. (c) 2006 Elsevier Inc. All rights reserved.
    Original languageEnglish
    JournalNeurobiology of Aging
    Volume28
    Issue number6
    Pages (from-to)955-963
    ISSN0197-4580
    DOIs
    Publication statusPublished - Jun 2007

    Keywords

    • corpus callosum
    • leukoaraiosis
    • MRI
    • motor function
    • cognition
    • age-related white matter changes
    • LADIS
    • elderly

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