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Thyroid function tests (TFTs) is a collective term for blood tests used to check the function of the thyroid. [1] TFTs may be requested if a patient is thought to suffer from hyperthyroidism (overactive thyroid) or hypothyroidism (underactive thyroid), or to monitor the effectiveness of either thyroid-suppression or hormone replacement therapy.
The American Association of Clinical Endocrinologists [7] and the Royal College of Physicians [8] recommend against the use of thyroid extract for the treatment of hypothyroidism. Concerns include the potential for adverse effects from superphysiological levels of T3 and the absence of long-term safety data from randomized clinical trials.
Hypothyroidism is more common in women than in men. [3] People over the age of 60 are more commonly affected. [3] Dogs are also known to develop hypothyroidism, as are cats and horses, albeit more rarely. [12] The word hypothyroidism is from Greek hypo-'reduced', thyreos 'shield', and eidos 'form', where the two latter parts refer to the ...
The DRKS is an open access, free of charge online register for clinical trials and is available both in English and German. DRKS is part of the WHO's ICTRP. The DRKS works with two partner registries in Germany, DeReG (German Registry for Somatic Gene-Transfer Trials) and Clinical Trial Registry of the University Medical Center Freiburg. [4]
It is unclear if this finding reflects shortcomings of the index (i.e. low specificity in the setting of subclinical hypothyroidism) or plastic responses of the pituitary gland to beginning hypothyroidism. [citation needed] In subjects with type 2 diabetes, treatment with beta blockers resulted in increased TSH index, but the mechanism is ...
Certain medications can have the unintended side effect of affecting thyroid function. While some medications can lead to significant hypothyroidism or hyperthyroidism and those at risk will need to be carefully monitored, some medications may affect thyroid hormone lab tests without causing any symptoms or clinical changes, and may not require treatment.
The International Clinical Trials Registry Platform (ICTRP) is a platform for the registration of clinical trials operated by the World Health Organization. [1]The ICTRP combines data from multiple cooperating clinical trials registries to generate a global view of clinical trials worldwide, with a search portal that allows access to the entire dataset.
Thyroid's secretory capacity (G T, also referred to as thyroid's incretory capacity, maximum thyroid hormone output, T4 output or, if calculated from serum levels of thyrotropin and thyroxine, as SPINA-GT [a]) is the maximum stimulated amount of thyroxine that the thyroid can produce in a given time-unit (e.g. one second).