A thyroid function screening programme of admissions to a general psychiatric service was established. Over a 22-week period 588 patients were admitted and thyroid function tests were performed on 336, a screening rate of 57.1%. Initial investigation showed that 21.3% had a total thyroxine outside the range 75–130 nmol/l. On further investigation only 9 patients (1 thyrotoxic, 8 hypothyroid) had confirmed thyroid disease. In 7 of the 9 patients the disease had been clinically suspected. Thus the screening programme identified only 2 unsuspected cases of thyroid dysfunction and we conclude that this level of detection does not warrant a formal screening programme.
SprattD.I., PontA., MillerM.B., McDougallI.R., BayerM.F., McLaughlinW.T.. Hyperthyroxinaemia in patients with acute psychiatric illness.Am J Med1982; 73: 41–7
11.
TunbridgeW.M.G., EveredD.C., HallR.The spectrum of thyroid disease in a community: the Whickham study.Clin Endocrinol1977; 7: 481–93
12.
HoffenbergR.. Aetiology of hyperthyroidism.Br Med J1974; iii: 452–6
13.
SheridanP., NewtonK.E., PayneR.B.. Interpretation of serum total thyroxine concentration in patients with abnormal thyroxine binding proteins.Br Med J1978; ii: 477–9
14.
American Psychiatric Association.Diagnostic and statistical manual of mental disorders.3rd ed.Washington: American Psychiatric Association, 1980
15.
BarkerD.J.P., PhilipsD.I.W.. Current incidence of thyrotoxicosis and past prevalence of goitre in 12 British towns.Lancet1984; ii: 567–70
