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Thyroid disease in the elderly in the community

A J Campbell, J Reinken, B C Allan

    Age and Ageing
    |February 1, 1981
    PubMed
    Summary

    Routine biochemical screening for thyroid disease in older adults is not justified, as clinical suspicion is a better indicator. Thyroid disease prevalence was low in individuals aged 80 and over.

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    Area of Science:

    • Geriatric Medicine
    • Endocrinology
    • Epidemiology

    Background:

    • Thyroid dysfunction is common in the elderly.
    • Prevalence and clinical relevance of thyroid disease in community-dwelling, residential, and hospitalised older adults require further investigation.

    Purpose of the Study:

    • To determine the prevalence of thyroid disease in individuals aged 65 and over.
    • To assess the utility of routine biochemical screening versus clinical suspicion for diagnosing thyroid disease in this demographic.

    Main Methods:

    • A clinical and biochemical study involving 559 subjects aged 65 years and older.
    • Data collected from community, residential homes, and hospital settings.
    • Analysis of thyroid disease prevalence and serum thyroxine levels across age strata and between sexes.

    Main Results:

    • Seven cases of thyroid disease were identified, yielding a prevalence of 0.94% for hypothyroidism and 0.47% for hyperthyroidism in those aged 80 and over.
    • Clinical suspicion preceded biochemical findings in five of the seven identified cases.
    • No significant age-related changes in serum thyroxine were observed within age strata.
    • Women aged 75 and over exhibited significantly higher serum thyroxine levels than men.

    Conclusions:

    • Routine biochemical screening for thyroid disease in older adults is not cost-effective or justified.
    • Clinical suspicion is a more reliable indicator for diagnosing thyroid disease in the elderly population.
    • Age and sex are factors influencing thyroid hormone levels in older adults.

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