نتایج جستجو برای: tt3
تعداد نتایج: 169 فیلتر نتایج به سال:
The hypothalamus-pituitary-target gland axis is thought to be linked with insomnia, yet there has been a lack of further systematic studies to prove this. This study included 30 patients with primary insomnia (PI), 30 patients with depression-comorbid insomnia (DCI), and 30 healthy controls for exploring the alterations in the hypothalamus-pituitary-adrenal/thyroid axes' hormones and gonadotrop...
TO THE EDITOR: Total triiodothyronine (T3) (TT3) measurements can provide clinical utility elucidating T3-dominant Graves' disease and other thyrotoxicosis conditions. Thyroid hormone assays, including TT3, are susceptible to protein-based interferences, usually caused by endogenous antibodies. Interferences should be considered when the thyroid hormone concentrations are inconsistent with clin...
BACKGROUND Thyroid function changes during pregnancy, complicating the diagnosis of thyroid disorders. Maternal thyroid dysfunction has been associated with a variety of adverse outcomes. We evaluated thyroid function test results by ethnicity and week of gestation during the 2nd trimester of pregnancy. METHODS We collected 3064 blood specimens in serum tubes from Asians (13%), blacks (22%), ...
BACKGROUND Thyroid activity plays a role in cognition. However, the relation between the functional state of thyroid and neuropsychiatric changes proceeding with age among people without clinical symptoms of thyroid dysfunction is still unknown. The aim of this study was analysis of cognitive function levels in reference to thyroid examination: thyroid-stimulating hormone (TSH), total thyroxin ...
Antarctic residence (AR) is associated with a 50% increase in the thyrotropin (TSH) response to TSH-releasing hormone (TRH) and an expanded triiodothyronine (T3) distribution volume and extravascular hormone pool, collectively called the polar T3 syndrome. To investigate the possible biologic significance of this syndrome, we studied the relationship between nonstimulated TSH and serum lipid pr...
Chronic fatigue syndrome (CFS) is a heterogeneous disease with unknown cause(s). CFS symptoms resemble a hypothyroid state, possibly secondary to chronic (low-grade) (metabolic) inflammation. We studied 98 CFS patients (21-69 years, 21 males) and 99 age- and sex-matched controls (19-65 years, 23 males). We measured parameters of thyroid function, (metabolic) inflammation, gut wall integrity and...
BACKGROUND The role of adiponectin in mediating gonadal status and bone health in weight-stable healthy adult female athletes with secondary amenorrhea has not yet been described. METHODS Using a prospective observational study, age-matched premenopausal women were studied, including 1) sedentary ovulatory women (SedOv; n=10), 2) exercising ovulatory women (ExOv; n=15), and 3) exercising amen...
درباره تأثیر الگوی حرکتی و شدت فعالیت بدنی بر عملکرد غده تیروئید یافته های همگونی وجود ندارد. در این پژوهش تأثیر الگوهای حرکتی متفاوت، با کنترل دقیق شدت و مدت فعالیت بدنی، بر پاسخ محور هیپوتالاموسی– هیپوفیزی– تیروئیدی(hpt) در 9 مرد جوان فعال سالم بررسی شد (89/1 81/22=bmi، 12/4 12/46= ). شرکت کنندگان در 6 جلسه مجزا روی الپتیکال ، دوچرخه کارسنج و نوارگردان با شدت های 70 و 85 درصد حداکثر ضربان قلب...
Abstract Background Thyroid function tests (TFT) which usually include thyroid stimulating hormone (TSH), total triiodothyronine (TT3), and free thyroxine (FT4) are widely applied in clinical practice for screening, diagnosis monitoring of disease. We evaluated analytical performance TSH, TT3, FT4 using DxI800 (Beckman Coulter, USA) including comparison to Alinity I (Abbott, USA). Methods Preci...
OBJECTIVE To determine the effects of levothyroxine sodium (L-T4) on serum concentrations of thyroid gland hormones and responses to injections of thyrotropin-releasing hormone (TRH) in euthyroid horses. ANIMALS 12 healthy adult mares. PROCEDURE 8 horses received an incrementally increasing dosage of L-T4 (24, 48, 72, or 96 mg of L-T4/d) for weeks 1 to 8. Each dose was provided for 2 weeks....
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