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.58–1.64 ng/dL) and free T3 (FT3; normal: 2.6–4.8 pg/mL) in addition to the standard COVID-19 protocol which included assessment of inflammatory markers, C-reactive protein (CRP), interleukin-6 (IL-6), D-dimer, ferritin and lactate dehydrogenase (LDH). The
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Department of Zoology, Islamia College Peshawar (CU), Peshawar, Pakistan
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DZHK (German Centre for Cardiovascular Research), Partner Site Greifswald, University Medicine, Greifswald, Germany
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Healthcare GmbH). Serum levels of TSH, fT3, and fT4 levels were analyzed on the same platform by a homogeneous, sequential, chemiluminescent immunoassays based on LOCI® technology (Dimension Vista®, Siemens Healthcare GmbH). The analytical measuring range for
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Laboratory of Biometry, University of Thessaly, Volos, Greece
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Division of Pneumology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
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−80°C thereafter. Cortisol, prolactin, thyroid-stimulating hormone (TSH), free tetraiodothyronine (fT4), free triiodothyronine (fT3), follicle-stimulating hormone (FSH), luteinizing hormone (LH) and total testosterone (testosterone) were analysed
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( 3 ). Free triiodothyronine (FT3) is the bioactive form of thyroxines. FT3 regulates basal metabolic rate, promotes fat decomposition and acts on the cardiovascular system through adrenergic signaling ( 4 ). Previous studies have found that a high
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North Lakes Clinical, Department of Nuclear Medicine, Medical Department I, Ruhr Center for Rare Diseases (CeSER), 20 Wheatley Avenue, Ilkley LS29 8PT, UK
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given patient on l -T 4 medication, because the constitutive equilibria between TSH and thyroid hormones, especially FT 3 , differ in health and disease (22) . In the present analysis, we examined the relationship of the l -T 4 dose with clinical
Section of Pacing and Electrophysiology, Division of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
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Dalian Medical University, Dalian, Liaoning, China
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Dalian Medical University, Dalian, Liaoning, China
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levels of thyroid-stimulating hormone (TSH) and thyroxine (T4), is a common thyroid dysfunction ( 4 , 5 ). Free T3 (FT3) plays various roles in the cardiovascular system ( 6 , 7 ). Many publications have reported that a low FT3 is associated with a poor
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has been observed in obese individuals, such as elevated serum thyroid-stimulating hormone (TSH) level and high transformation of thyroxine (T4) to triiodothyronine (T3) ( 8 , 9 , 10 ). Serum TSH and free triiodothyronine (FT3) levels decreased in
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decreased iodine-131 (I 131 ) accumulation in the thyroid of euthyroid patients ( 3 ). Dexamethasone administration (16 mg daily for 2.5 days) was reported to reduce the thyroid-stimulating hormone (TSH) and free T3 (FT3) secretion and blunted the TSH
School of Medicine, Ningbo University, Ningbo, China
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School of Medicine, Ningbo University, Ningbo, China
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School of Medicine, Ningbo University, Ningbo, China
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School of Medicine, Ningbo University, Ningbo, China
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School of Medicine, Ningbo University, Ningbo, China
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, and its evaluation in different regions and ethnicities is of importance. This study is part of the 2019 Zhejiang Zhenhai study, and the aim was to discuss the relationship between TSH, free triiodothyronine (FT3), FT4, and FT3/FT4 levels within the
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examination: increases in serum total thyroxine (T4), triiodothyronine (T3), free thyroxine (FT4), free triiodothyronine (FT3), reverse T3 (rT3); declines in thyroid-stimulating hormone (TSH); and thyroid-stimulating antibody (TSAb) and other related