VALUE OF SCREENING THYROID FUNCTION IN ACUTE MEDICAL ADMISSIONS TO HOSPITAL

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Abstract
During a 4-month period an audit was performed to assess the value of thyroid function test (TFT) screening of all medical admissions, without known thyroid disease, to a single hospital. Abnormal TFTs were found in 125 of the 630 patients admitted (20%). Carbimazole or thyroxine was started in 13 patients (2.1%) discovered to have thyrotoxicosis (n = 4) or hypothyroidism (n = 9). In only four of these patients was the diagnosis of thyroid disease apparent clinically. The sick euthyroid state was found in 73 patients (11.6%), while the TSH compensated hypothyroid state was detected in 39 patients (6.2%). The low detection rate of new thyroid disease would suggest that unselective screening of all admissions is unjustified. However, the problem of diagnosing thyroid disease and the morbidity of untreated thyroid disease suggests that biochemical screening of TFTs in a selective group of medical patients admitted to hospital may be justified.