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, but considerably different in some details. Obesity and Pituitary-Thyroid Activation Thyroid function tests in people who are morbidly obese may differ from those in a comparable group of lean people, with a serum TSH that is higher in the
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disease). Additionally, when the normal range obtained for adults is used, a discrete elevation of TSH can be seen in older adults (>70 years) [ 2 , 5 ]. Morbidly obese individuals may also exhibit discretely elevated TSH [ 2 , 6 ]. Elevated TSH can also
Institute for Community Medicine, Greifswald, Germany
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Department of Medicine, Geisel School of Medicine at Dartmouth, Hanover, N.H., USA
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G, Ferrannini E: Expression of thyrotropin and thyroid hormone receptors in adipose tissue of patients with morbid obesity and/or type 2 diabetes: Effects of weight loss. Int J Obes (Lond) 2009;33:1001-1006; erratum Int J Obes (Lond) 2010
Departments of Vascular Medicine, University of Amsterdam, Amsterdam
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Departments of Vascular Medicine, University of Amsterdam, Amsterdam
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Departments of Vascular Medicine, University of Amsterdam, Amsterdam
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. [ 8 ] was 17.7 pmol/l, and in the MEGA Study [ 1 ], which was a large case-control study investigating risk factors for VTE, the median FT 4 level was 16.6 pmol/l in the controls. The literature about the association between (morbid) obesity and
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. Neuroendocrinology . 1995 Aug ; 62 ( 2 ): 130 – 4 . 10.1159/000126997 8584112 0028-3835 23 MacCuish A , Razvi S , Syed AA . Effect of weight loss after gastric bypass surgery on thyroid function in euthyroid people with morbid obesity . Clin
Istituti Clinici Scientifici Maugeri IRCCS, Unit of Endocrinology and Metabolism, Laboratory for Endocrine Disruptors, Pavia (PV), Italy
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Istituti Clinici Scientifici Maugeri IRCCS, Unit of Endocrinology and Metabolism, Laboratory for Endocrine Disruptors, Pavia (PV), Italy
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Istituti Clinici Scientifici Maugeri IRCCS, Unit of Endocrinology and Metabolism, Laboratory for Endocrine Disruptors, Pavia (PV), Italy
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Istituti Clinici Scientifici Maugeri IRCCS, Unit of Endocrinology and Metabolism, Laboratory for Endocrine Disruptors, Pavia (PV), Italy
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iodine deficiency ( 13 ). Moreover, patients living with morbid obesity frequently experience a raised serum TSH, in the absence of positivity for thyroid autoantibodies and/or abnormal findings at thyroid ultrasound ( 14 ). The physiopathology and
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TSH levels in patients with morbid obesity: is it enough to diagnose subclinical hypothyroidism? Eur J Endocrinol . 2009 Mar ; 160 ( 3 ): 403 – 8 . 10.1530/EJE-08-0734 19073832 0804-4643 17 Haas V , Onur S , Paul T , Nutzinger
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, Magalhães D , et al. The Effect of the Bariatric Surgery Type on the Levothyroxine Dose of Morbidly Obese Hypothyroid Patients . Obes Surg . 2018 Nov ; 28 ( 11 ): 3538 – 43 . 10.1007/s11695-018-3388-4 30008061 0960-8923 16 Azran C
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liver biopsies as used for the miRNA 4.0 array, and additional patients with morbid obesity (BMI ≥ 35, total n = 68) were classified according to their MAS into non-MASH (≤3 MAS, n = 37) and MASH (≥4 MAS, n = 29) ( Table 1 ). miR-34a-5p was
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deiodinase activity has been described, which leads to a higher conversion of T4 to T3 [ 35 ]. Finally, obesity has been associated with a higher prevalence of TPO-Abs [ 36 ]. The guidelines of the ATA recommend TSH screening in morbidly obese pregnant women