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Results for “Thyroid Function Tests”

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PubMed1979

Thyroid function tests in thyroxine-binding globulin deficiency.

Results are presented on two patients with complete and two with partial thyroxine-binding globulin (TBG) deficiency. All four subjects had lowered serum thyroxine but were clinically euthyroid. While thyroid hormone uptake tests or TBG assay were effective in the recognition of such individuals, indices based on these tests were misleading in assessing their thyroid status. Results within the reference range were obtained with the Immophase Free Thyroxine assay.

Adolescent↗
PubMed1986

Admission thyroid function testing in elderly patients.

The free thyroxine index (FTI) was measured in 307 elderly patients admitted to two geriatric units. The initial FTI was abnormal in 41 (13.3%), being raised in 27 and low in 14 patients. On further testing, these abnormalities were found to be either transient or of no clinical significance in 36 of the 41 patients (88%). Only five of the 307 patients (1.6%) were finally treated for previously undiagnosed thyroid disease and of these three improved (1%). Thyroid disease identified by routine screening, and not suspected from the history and clinical findings, was present in only two patients (0.7%). In view of these findings we suggest that thyroid screening is no more justified in the elderly than in younger hospitalised patients.

Aged↗