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The heart is a major target organ for thyroid hormone action, and marked changes occur in cardiac function in patients with hypo- or hyperthyroidism. T(3)-induced changes in cardiac function can result from direct or indirect T(3) effects. Direct effects result from T(3) action in the heart itself and are mediated by nuclear or extranuclear mechanisms.(More)
Orbital radiotherapy (Rx) is a commonly used treatment for Graves' ophthalmopathy (GO), but controlled clinical trials evaluating different Rx doses and application forms have not been performed. In euthyroid patients with moderately severe GO, we randomly compared the efficacy and tolerability of three Rx protocols. Orbital Rx (telecobalt) was administered(More)
Dyspnea on exertion is a common complaint in hyperthyroidism, and this thyroid dysfunction has been implicated as a primary cause of impaired effort tolerance. Using spirometry and spiroergometry, 42 patients with untreated hyperthyroidism were examined, and the condition was controlled 7 days later under propranolol monotherapy, as well as after 6 months(More)
Endogenous subclinical hyperthyroidism (SHyper) is caused by Graves' disease, autonomously functioning thyroid nodules and multinodular goitre. Its diagnosis is based on a persistently subnormal serum thyroid-stimulating hormone (TSH) level with free thyroid hormone levels within their respective reference intervals. In 2014 the European Thyroid Association(More)
PURPOSE In patients with thyroid-associated orbitopathy (TAO), the dry eye syndrome occurs frequently, and symptoms and signs of both disorders overlap making early and accurate differential diagnosis difficult. A differentiation via specific markers is warranted. METHODS Tear fluid samples of 120 subjects with TAO, TAO + dry eye, dry eye, and controls(More)
The analytical performance and the clinical utility of a thyrotropin receptor (TSHR)-stimulating immunoglobulin (TSI) bioassay were compared with those of a TSHR-binding inhibitory immunoglobulin (TBII) assay. Limits of detection (LoD) and quantitation (LoQ), assay cutoff, and the half-maximal effective concentration (EC(50)) were measured. Dilution(More)
The clinical utility of the functional TSH receptor autoantibodies was prospectively evaluated in patients with thyroid-associated orbitopathy (TAO). Ophthalmic, endocrine, and serological investigations were performed in 101 consecutive patients with severe and active TAO. Serum thyroid stimulating (TSAb) and blocking (TBAb) antibody levels were measured(More)
Temporary changes in audiometry have been reported in hypercholesterolaemia and in hypo- and hyperthyroidism. The purpose of the present prospective and controlled study was to record changes in conduction time of auditory brain-stem response (ABR) in patients with hyperlipidaemia and hypothyroidism before and after therapy over a period of 6 months. The(More)