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Cognitive functioning after stroke: a one-year follow-up study.

Sascha M C Rasquin1, Jan Lodder, Rudolf W H M Ponds

  • 1Department of Psychiatry and Neuropsychology, University Hospital Maastricht, Maastricht, The Netherlands.

Dementia and Geriatric Cognitive Disorders
|June 24, 2004
PubMed
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Post-stroke dementia occurs in about 10% of patients, while mild cognitive impairment (MCI) is more common. Cognitive functions, particularly mental speed, often improve within a year after stroke.

Area of Science:

  • Neurology
  • Neuropsychology
  • Rehabilitation Medicine

Background:

  • Cognitive disorders are a significant cause of disability following stroke.
  • Understanding the prevalence and course of post-stroke cognitive impairment is crucial for patient outcomes.

Purpose of the Study:

  • To determine the frequency of post-stroke dementia and mild cognitive impairment (MCI) at various times after a first-ever stroke.
  • To analyze the clinical course of cognitive disorders and identify affected cognitive functions.
  • To assess the potential for cognitive recovery post-stroke.

Main Methods:

  • Prospective study involving 196 patients following their first-ever stroke.
  • Assessment of cognitive functions, including dementia and MCI, at multiple time points.

Related Experiment Videos

  • Evaluation of specific cognitive domains such as mental speed and calculation.

    • Main Results:

    • Post-stroke dementia was observed in approximately 10% of patients across all evaluation periods.
    • Post-stroke MCI was significantly more prevalent than dementia.
    • Impairments in mental speed and calculation were the most common findings.
    • Cognitive test performance showed improvement at 6 and 12 months post-stroke.

    Conclusions:

    • While the incidence of post-stroke dementia is relatively low, post-stroke MCI is common.
    • Cognitive functions, especially those related to mental speed, can improve over time after stroke.
    • Early identification and rehabilitation of MCI may facilitate functional recovery.