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  • Title: Screening for cognitive impairment in the elderly.
    Author: Bush C, Kozak J, Elmslie T.
    Journal: Can Fam Physician; 1997 Oct; 43():1763-8. PubMed ID: 9356757.
    Abstract:
    OBJECTIVE: To evaluate the extent and type of screening for cognitive impairment primary care physicians use for their elderly patients, to identify perceived barriers to screening, and to explore whether physicians would be willing to use the clock drawing test as a cognitive screening tool. DESIGN: Mailed questionnaire. SETTING: Primary care practices in the Ottawa-Carleton region. PARTICIPANTS: Family physicians and general practitioners culled from the Yellow Pages and Canadian Medical Directory; 368 of 568 questionnaires were returned for a response rate of 70%. Six respondents had fewer than 30 patients weekly and two responded too late to be included in the analysis; 360 cases were included in the analysis. MAIN OUTCOME MEASURES: Responses to 10 questions on cognitive screening and five on demographics and the nature of respondents' practices. RESULTS: About 80% of respondents reported doing at least one mental status examination during the past year. Only 24% routinely screened patients, although 82% believed screening was needed. Major barriers to cognitive screening were lack of time, risk of offending patients, and possible negative consequences of follow up. Clock drawing was perceived as an acceptable method of screening, if it were proven effective. CONCLUSIONS: Most primary care physicians believe cognitive screening is needed, but few routinely screen their elderly patients. Lack of time is the most important perceived barrier to screening. Primary care physicians are receptive to using the clock drawing test, and, because it is not time-consuming, are less likely to consider lack of time a barrier to testing. The clock test might help bridge the gap between perceived need for screening and actual screening.
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