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  • Title: Screening for thyroid disease at the menopausal clinic.
    Author: Faughnan M, Lepage R, Fugère P, Bissonnette F, Brossard JH, D'Amour P.
    Journal: Clin Invest Med; 1995 Feb; 18(1):11-8. PubMed ID: 7768061.
    Abstract:
    The prevalence of hypothyroidism has been reported to increase with age and to attain up to 10% in older women. We wanted to verify whether routine screening for thyroid disease could be justified in a specific sub-population of aging women, those consulting for the first time at a menopausal clinic. Standard thyroid profiles (Total T4, T3 uptake, calculated free thyroxine index (FTI), and sensitive thyroid stimulating hormone (TSH)) were obtained in 500 consecutive patients seen at such a clinic over 18 months. Thyroid microsomal and thyroglobulin antibody titers were also obtained in over half of them. Twenty-three carefully selected, age-matched, peri-menopausal hospital employees served as a reference group for the TRH response test. Thirteen women (2.6%) had previously diagnosed hypothyroidism but 4 of them were found to be sub-optimally treated. Fifty other subjects (10%) had out-of-range screening TSH levels, 7 below and 43 over the assay reference range. In the former, 3 (0.6%) were found to be hyperthyroid while in the latter 8 (1.6%) were found to be overtly hypothyroid based on TSH levels over 10 mU/L and accompanying signs and symptoms. Twelve other subjects (2.4%) were found to have sub-clinical hypothyroidism based on a positive TRH response test and a significantly increased prevalence of goiter and positive antibody titers. The remaining 23 patients had a normal TRH response test, although their mean TSH level at 30-min post-TRH and the prevalence of positive antibody titers were significantly higher than those of the control group and normal subjects respectively.(ABSTRACT TRUNCATED AT 250 WORDS)
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