Sentences with phrase «from euthyroid»
Peterson ME, Bilbrough GE, Rishniw M. Validation of an in - clinic point - of - care immunoassay for measurement of total thyroxine (T4) concentration in serum from euthyroid and hyperthyroid cats.
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that the patient was suffering from the starvation pattern which is replicated in very low - carb «euthyroid sick syndrome» and the athlete triad.
However, in euthyroid patients with Hashimoto's thyroiditis, this escape phenomenon from the inhibitory effect of iodine is impaired, resulting in subclinical or clinical hypothyroidism (10).
Furthermore, positive associations between TSH and LDL as well as total cholesterol levels have been found in cross-sectional studies in euthyroid healthy subjects, and the strength of these associations seems to depend on an individual's insulin sensitivity.We therefore hypothesize that the KD has diminished the production of T3 from T4, thereby reducing the number of LDL receptors and thus reducing LDL particle clearance which might be further impaired due to the missing stimulating effect of insulin on LDL uptake into cells.
In a study of 33 Japanese patients with hypothyroidism, the median serum TSH level decreased from 21.9 mU / L to 5.3 mU / L (indicating an improvement in the hypothyroidism), and one - third became euthyroid, when the patients stopped eating seaweed and other high - iodine foods for 1 - 2 months.
Interestingly, a study from the Drug and Alcohol Dependence confirmed the existence of euthyroid sick syndrome [iii] where alcohol - dependent persons can have low levels of T3, high levels of reverse T3 or rT3, and normal levels of the T4 hormone.
However, a subnormal basal T4 concentration alone is not diagnostic; it may indicate an animal that is normal, hypothyroid, or suffering from a nonthyroidal illness with a secondary decrease in the basal T4 concentration (sick euthyroid syndrome; see below).
Because only the unbound fraction of serum T4 is biologically active, measurement of free T4 has been hypothesized to be more useful to differentiate euthyroid dogs from hypothyroid dogs than total T4 concentrations.