Cited by 323Thyroid Disorders and TreatmentsAtrial Fibrillation Management and OutcomesCardiac electrophysiology and arrhythmias

The spectrum of thyroid disease and risk of new onset atrial fibrillation: a large population cohort study

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Selmer, C., Olesen, J. B., Hansen, M. L., Lindhardsen, J., Olsen, A.-M. S., Madsen, J. C., Faber, J., Hansen, P. R. +3 more·2012·BMJ

Abstract

OBJECTIVES: To examine the risk of atrial fibrillation in relation to the whole spectrum of thyroid function in a large cohort of patients. DESIGN: Population based cohort study of general practice patients identified by linkage of nationwide registries at the individual level. SETTING: Primary care patients in the city of Copenhagen. SUBJECTS: Registry data for 586,460 adults who had their thyroid function evaluated for the first time by their general practitioner during 2000-10 and who were without previously recorded thyroid disease or atrial fibrillation. MAIN OUTCOME MEASURE: Poisson regression models used to estimate risk of atrial fibrillation by thyroid function. RESULTS: Of the 586,460 individuals in the study population (mean (SD) age 50.2 (16.9) years, 39% men), 562,461 (96.0%) were euthyroid, 1670 (0.3%) had overt hypothyroidism, 12,087 (2.0%) had subclinical hypothyroidism, 3966 (0.7%) had overt hyperthyroidism, and 6276 (1.0%) had subclinical hyperthyroidism. Compared with the euthyroid individuals, the risk of atrial fibrillation increased with decreasing levels of thyroid stimulating hormone (TSH) from high normal euthyroidism (incidence rate ratio 1.12 (95% CI 1.03 to 1.21)) to subclinical hyperthyroidism with reduced TSH (1.16 (0.99 to 1.36)) and subclinical hyperthyroidism with supressed TSH (1.41 (1.25 to 1.59)). Both overt and subclinical hypothyroidism were associated with a lower risk of atrial fibrillation. CONCLUSION: The risk of atrial fibrillation was closely associated with thyroid activity, with a low risk in overt hypothyroidism, high risk in hyperthyroidism, and a TSH level dependent association with risk of atrial fibrillation across the spectrum of subclinical thyroid disease.

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  1. [27]Collet TH, Gussekloo J, Bauer DC, den Elzen WP, Cappola AR, Balmer P, et al. Subclinical hyperthyroidism and the risk of coronary heart disease and mortality. Arch Intern Med 2012; 172: 799-809. 22529182 PMC3872478

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Authors
Selmer, C., Olesen, J. B., Hansen, M. L., Lindhardsen, J., Olsen, A.-M. S., Madsen, J. C., Faber, J., Hansen, P. R., Pedersen, O. D., Torp-Pedersen, C., & Gislason, G. H.
Affiliations
  • Gentofte Hospital (DK)
  • University of Copenhagen (DK)
  • Roskilde Sygehus (DK)
Corresponding author
Selmer, C.
Venue
BMJ
Publisher
BMJ
Published
2012-11-27
Volume
345
Issue
nov27 1
Pages
e7895-e7895
ISSN
1756-1833 (ISSN-L)
OpenAlex
W2015178517
Cited by
323
References
43
Citations by year
2026: 10 · 2025: 19 · 2024: 22 · 2023: 43 · 2022: 21 · 2021: 21 · 2020: 33 · 2019: 25 · 2018: 28 · 2017: 21 · 2016: 21 · 2015: 20 · 2014: 23 · 2013: 14 · 2012: 1
FWCI
14.89
Type
journal article
Language
en
Open access
Licence
cc-by-nc
Locations
  • BMJ (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (publishedVersion)
Funders
Hjerteforeningen
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Thyroid Disorders and Treatments
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Atrial Fibrillation Management and Outcomes
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac electrophysiology and arrhythmias
Keywords
atrial fibrillation, thyroid dysfunction, thyroid-stimulating hormone, subclinical hyperthyroidism, overt hyperthyroidism, subclinical hypothyroidism, overt hypothyroidism, thyroid function, cardiovascular risk
MeSH terms
Atrial Fibrillation, Denmark, Female, Follow-Up Studies, Humans, Male, Middle Aged, Population Surveillance, Registries, Retrospective Studies, Risk Factors, Thyroid Diseases, Incidence

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