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2 results

  • Risk of developing dementia in people with diabetes and mild cognitive impairment
  • Latha Velayudhan, Michaela Poppe, Nicola Archer, Petroula Proitsi, Richard G. Brown, Simon Lovestone
  • Journal: The British Journal of Psychiatry / Volume 196 / Issue 1 / January 2010
  • Published online by Cambridge University Press: 02 January 2018, pp. 36-40
  • Print publication: January 2010
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  • View abstract
    Background

    Diabetes mellitus is associated with cognitive dysfunction, but it is not clear whether the disorder increases the risk of conversion from mild cognitive impairment to dementia.

    Aims

    To determine the association between diabetes mellitus and dementia conversion in people with mild cognitive impairment (Peterson's criteria) in a prospective community-based study.

    Method

    People over 65 years old were approached through primary care practices in south London, UK, and those with mild cognitive impairment (n = 103) were followed up for 4 years. Presence of diabetes was established from self-report and information from general practitioners.

    Results

    Nineteen participants progressed to dementia, with the predominant diagnosis being probable or possible Alzheimer's disease (in 84%). Only diabetes mellitus was associated with progression to dementia (hazard ratio 2.9, 95% CI 1.1–7.3) after adjustment for sociodemographic factors, APOE4, premorbid IQ and other health conditions.

    Conclusions

    Diabetes mellitus increases not only the risks of dementia and mild cognitive impairment but also the risk of progression from such impairment to dementia.