Cited by 322Thyroid Disorders and TreatmentsDiabetes, Cardiovascular Risks, and LipoproteinsGrowth Hormone and Insulin-like Growth Factors

Impaired Sensitivity to Thyroid Hormones Is Associated With Diabetes and Metabolic Syndrome

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Laclaustra, Martin, Moreno-Franco, Belen, Lou-Bonafonte, Jose Manuel, Mateo-Gallego, Rocio, Casasnovas, Jose Antonio, Guallar-Castillon, Pilar, Cenarro, Ana, Civeira, Fernando·2019·Diabetes Care

Abstract

OBJECTIVE: Diabetes prevalence and incidence increase among individuals with hypothyroidism but also among those with hyperthyroxinemia, which seems contradictory. Both high free thyroxine (fT4) and high thyroid-stimulating hormone (TSH) are present in the resistance to thyroid hormone syndrome. A mild acquired resistance to thyroid hormone might occur in the general population and be associated with diabetes. We aimed to analyze the association of resistance to thyroid hormone indices (the Thyroid Feedback Quantile-based Index [TFQI], proposed in this work, and the previously used Thyrotroph T4 Resistance Index and TSH Index) with diabetes. RESEARCH DESIGN AND METHODS: We calculated the aforementioned resistance to thyroid hormone indices based on a U.S. representative sample of 5,129 individuals ≥20 years of age participating in the 2007–2008 National Health and Nutrition Examination Survey (NHANES). Also, to approximate TFQI, a U.S.-referenced Parametric TFQI (PTFQI) can be calculated with the spreadsheet formula =NORM.DIST(fT4_cell_in_pmol_per_L,10.075,2.155,TRUE)+NORM.DIST(LN(TSH_cell_in_mIU_per_L),0.4654,0.7744,TRUE)−1. Outcomes of interest were glycohemoglobin ≥6.5%, diabetes medication, diabetes-related deaths (diabetes as contributing cause of death), and additionally, in a fasting subsample, diabetes and metabolic syndrome. Logistic and Poisson regressions were adjusted for sex, age, and race/ethnicity. RESULTS: Odd ratios for the fourth versus the first quartile of TFQI were 1.73 (95% CI 1.32, 2.27) (Ptrend = 0.002) for positive glycohemoglobin and 1.66 (95% CI 1.31, 2.10) (Ptrend = 0.001) for medication. Diabetes-related death rate ratio for TFQI being above versus below the median was 4.81 (95% CI 1.01, 22.94) (Ptrend = 0.015). Further adjustment for BMI and restriction to normothyroid individuals yielded similar results. Per 1 SD in TFQI, odds increased 1.13 (95% CI 1.02, 1.25) for diabetes and 1.16 (95% CI 1.02, 1.31) for metabolic syndrome. The other resistance to thyroid hormone indices showed similar associations for diabetes-related deaths and metabolic syndrome. CONCLUSIONS: Higher values in resistance to thyroid hormone indices are associated with obesity, metabolic syndrome, diabetes, and diabetes-related mortality. Resistance to thyroid hormone may reflect energy balance problems driving type 2 diabetes. These indices may facilitate monitoring treatments focused on energy balance.

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Crossref · 10.2337/dc18-1410

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Authors
Laclaustra, M., Moreno-Franco, B., Lou-Bonafonte, J. M., Mateo-Gallego, R., Casasnovas, J. A., Guallar-Castillon, P., Cenarro, A., & Civeira, F.
Affiliations
  • Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Universidad de Zaragoza, Zaragoza, Spain
  • Department of Preventive Medicine and Public Health, School of Medicine, Universidad Autónoma de Madrid-IdiPaz, and CIBERESP, Madrid, Spain
  • Universidad de Zaragoza (ES)
Venue
Diabetes Care
Published
2018-12-14
Volume
42
Issue
2
Pages
303-310
ISSN
  • 0149-5992 (ISSN-L)
  • 1935-5548
OpenAlex
W2904867458
Cited by
322
References
40
Citations by year
2026: 53 · 2025: 70 · 2024: 82 · 2023: 60 · 2022: 31 · 2021: 14 · 2020: 9 · 2019: 3
FWCI
5.17
Type
journal article
Language
en
Open access
Locations
  • Diabetes Care (publishedVersion)
  • PubMed (publishedVersion)
  • Zaguan (University of Zaragoza Repository) (submittedVersion, cc-by)
Funders
Instituto de Salud Carlos III (PI14/00009, PI17/01709)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Thyroid Disorders and Treatments
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Growth Hormone and Insulin-like Growth Factors
Keywords
thyroid hormone resistance, thyroid feedback quantile-based index, thyroid-stimulating hormone, free thyroxine, diabetes mellitus, metabolic syndrome, diabetes mortality, obesity, energy balance, type 2 diabetes
MeSH terms
Adult, Aged, Aged, 80 and over, Diabetes Mellitus, Type 2, Female, Humans, Hyperthyroidism, Hypothyroidism, Male, Middle Aged, Mortality, Nutrition Surveys, Obesity, Thyroid Hormones, Thyrotropin, United States, Incidence, Prevalence, Thyroid Hormone Resistance Syndrome, Metabolic Syndrome, Young Adult

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