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Related Experiment Videos

Screening for cognitive impairment in general practice: toward a consensus

H Brodaty1, J Clarke, M Ganguli

  • 1Academic Department of Psychogeriatrics, University of New South Wales, Sydney, Australia.

Alzheimer Disease and Associated Disorders
|April 16, 1998
PubMed
Summary

Routine cognitive screening for all older patients is not recommended for early dementia detection. Targeted testing is more effective when cognitive decline is suspected, improving diagnostic accuracy.

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Area of Science:

  • Geriatrics
  • Neurology
  • Primary Care Medicine

Background:

  • Early detection of dementia is crucial for timely intervention and management.
  • General practitioners encounter a significant number of older patients who may be at risk for cognitive impairment.
  • Current screening practices for cognitive impairment in primary care settings warrant evaluation.

Purpose of the Study:

  • To evaluate the efficacy of unselective cognitive screening in older general practice patients.
  • To develop a consensus statement on appropriate screening strategies for early dementia detection.
  • To identify optimal approaches for identifying patients who would benefit from cognitive assessment.

Main Methods:

  • A consensus-building approach involving key expert presentations.

Related Experiment Videos

  • Selective literature review on cognitive screening tools and dementia detection.
  • Workshop discussions to formulate recommendations.

    • Main Results:

    • Unselective cognitive testing and informant questionnaires have limited efficacy and benefits for early dementia detection.
    • Positive predictive values for cognitive screening in older populations are often below 50%.
    • Targeted cognitive testing is more effective when there is a specific reason to suspect dementia, such as a history of decline or clinical observation.

    Conclusions:

    • Cognitive testing for older patients should be performed when there is a clinical suspicion of dementia, not universally.
    • Screening programs require robust training, professional education, and family support for effective dementia management.
    • Further investigation is needed into the comparative merits of different health professionals, patient/family impact, and cost-effectiveness of screening procedures.