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, as triiodothyronine/free triiodothyronine (T3/fT3) levels may be low ( 1 , 2 ). In healthy individuals, fT3 levels can be stable over a wide range of corresponding TSH levels ( 3 ). The regulation of thyroid hormones is reflected in an adjusting fT3
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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
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
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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.13(0.62, 2,12) 0.313 AKI, acute kidney injury; BNP, brain natriuretic peptide; DBP, diastolic blood pressure; FT3, free triiodothyronine; FT4, free thyroxine; LVEF, left ventricular ejection fraction; NSTEMI, non-ST segment elevation myocardial
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Department of Endocrinology, Suichang County Hospital of Traditional Chinese Medicine, Lishui, China
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Medical International Limited, Shenzhen, China). CRP was determined using immunoturbidimetry. Triiodothyronine (T3), free triiodothyronine (fT3), thyroxine (T4), fT4, TSH, thyroid peroxidase antibody (aTPO), thyroglobulin antibody (aTG), and thyrotropin
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images, and biochemical indicators (each criterion must be met: low thyroid-stimulating hormone – TSH, high free triiodothyronine – FT3, high free thyroxine – FT4, elevated TSH receptor antibody – TRAb) ( 14 ). The exclusion criteria were as follows: (1
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) were measured using standard enzymatic methods. Total bilirubin (TBIL) and direct bilirubin (DBIL) were measured by diazotization method. Serum insulin, free triiodothyronine (T3), total T3, free thyroxine (T4), total T4, and TSH thyroid peroxide
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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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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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-stimulating hormone (mIU/L) 1.19 (0.87, 1.60) 0.35 (0.25, 0.44) 3.88 (3.59, 5.27) Free triiodothyronine (fT3) (pmol/L) 4.63 (4.29, 5.05) 4.76 (4.35, 5.12) 4.45 (4.10, 4.80) Free thyroxine (fT4) (pmol/L) 13.3 (12.3, 14.4) 14.3 (13.0, 15
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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