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Relationship between serum thyrotropin and urine albumin excretion in euthyroid subjects with diabetes

Das, Gautam, Taylor, Peter N, Abusahmin, Hussam, Ali, Amer, Tennant, Brian P, Geen, John and Okosieme, Onyebuchi 2019. Relationship between serum thyrotropin and urine albumin excretion in euthyroid subjects with diabetes. Annals of Clinical Biochemistry 56 (1) , pp. 155-162. 10.1177/0004563218797979

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Background Microalbuminuria represents vascular and endothelial dysfunction. Thyroid hormones can influence urine albumin excretion as it exerts crucial effects on the kidney and on the vascular system. This study explores the relationship between serum thyrotropin and urine albumin excretion in euthyroid patients with diabetes. Methods A total of 433 patients with type 1 or 2 diabetes were included in this retrospective cross-sectional study. Data included anthropometric measurements and biochemical parameters from diabetes clinic. Males with urine albumin creatinine ratio >2.5 and female’s >3.5 mg/mmoL were considered to have microalbuminuria. Results 34.9% of the patients had microalbuminuria. Prevalence of microalbuminuria increased according to TSH quartiles (26.9, 34.6, 38.5 and 44.9%, P for trend = 0.02). In a fully adjusted logistic regression model, higher TSH concentrations were associated with high prevalence of microalbuminuria (adjusted odds ratio 2.06 [95% CI: 1.14–3.72]; P = 0.02), while comparing the highest with the lowest quartile of TSH. Multiple linear regression analysis showed an independent association between serum TSH and urine albumin creatinine ratio (β = 0.007, t = 2.03 and P = 0.04). The risk of having microalbuminuria was higher with rise in TSH concentration in patients with younger age (<65 years), raised body mass index (≥25 kg/m2), hypertension, type 2 diabetes and hyperlipidaemia and age was the most important determinant (P for interaction = 0.02). Conclusion Serum TSH even in the euthyroid range was positively associated with microalbuminuria in euthyroid patients with diabetes independent of traditional risk factors. This relationship was strongest in patients with components of the metabolic syndrome.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Publisher: SAGE Publications (UK and US)
ISSN: 0004-5632
Date of First Compliant Deposit: 17 April 2019
Date of Acceptance: 6 August 2018
Last Modified: 27 Jun 2019 21:01

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