Cited by 73Atrial Fibrillation Management and OutcomesAcute Myocardial Infarction ResearchCardiac electrophysiology and arrhythmias

High-sensitivity cardiac troponin T and the risk of incident atrial fibrillation: The Atherosclerosis Risk in Communities (ARIC) study

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Filion, Kristian B., Agarwal, Sunil K., Ballantyne, Christie M., Eberg, Maria, Hoogeveen, Ron C., Huxley, Rachel R., Loehr, Laura R., Nambi, Vijay +2 more·2015·American Heart Journal

Abstract

Introduction Structural changes in the heart are known risk factors for atrial fibrillation (AF). An association between high-sensitivity cardiac troponin T (hs-cTnT), a marker of myocardial cell damage measured with a high-sensitivity assay, and the risk of AF could have implications for AF risk stratification.Objective To estimate the association between hs-cTnT and the risk of incident AF in the ARIC study, a prospective cohort of middle-aged adults from 4 US communities.Methods Study included 10,584 participants (mean age 62.7 years) free of AF in 1996 to 1998 and followed through 2008. Atrial fibrillation was defined using International Classification of Diseases codes from hospitalizations and death certificates. Participants with undetectable hs-cTnT levels (58%) were assigned the lower limit of measurement (5 ng/L). Net reclassification improvement was used to examine the discriminative ability of hs-cTnT for 10-year AF risk prediction (categories: <5%, 5%-15%, and >15%).Results A total of 920 incident AF cases were observed for 109,227 person-years. After adjustment, a 1-SD difference in ln(hs-cTnT) was associated with a hazard ratio of 1.16 (95% CI 1.10-1.23). Compared with those with undetectable levels, participants with hs-cTnT ≥14 ng/L had a hazard ratio of 1.78 (95% CI 1.43-2.24). Addition of hs-cTnT to known AF predictors did not increase the c statistic appreciably (0.756 vs 0.758) or improve risk stratification (net reclassification improvement 0.4%, 95% CI -1.4% to 2.3%).Conclusions High-sensitivity cTnT level is associated with an increased incidence rate of AF but did not improve risk stratification.

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  • Although biomarkers such as natriuretic peptides are elevated in AF patients, there is insufficient data to suggest that blood-based parameters are independent markers for AF.

    “Although biomarkers such as natriuretic peptides are elevated in AF patients, there is insufficient data to suggest that blood-based parameters are independent markers for AF.”

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Authors
Filion, K. B., Agarwal, S. K., Ballantyne, C. M., Eberg, M., Hoogeveen, R. C., Huxley, R. R., Loehr, L. R., Nambi, V., Soliman, E. Z., & Alonso, A.
Affiliations
  • University of Minnesota (US)
  • Johns Hopkins University (US)
  • Baylor College of Medicine (US)
  • Jewish General Hospital (CA)
  • The University of Queensland (AU)
  • University of North Carolina at Chapel Hill (US)
  • Michael E. DeBakey VA Medical Center (US)
  • Wake Forest University Health Sciences (US)
Corresponding author
Filion, Kristian B.
Venue
American Heart Journal
Publisher
Elsevier BV
Published
2015-01
Volume
169
Issue
1
Pages
31-38.e3
ISSN
0002-8703 (ISSN-L)
OpenAlex
W154375781
Cited by
73
References
26
Citations by year
2026: 5 · 2025: 2 · 2024: 7 · 2023: 5 · 2022: 5 · 2021: 8 · 2020: 7 · 2019: 11 · 2018: 4 · 2017: 7 · 2016: 10 · 2015: 2
FWCI
4.34
Type
journal article
Language
en
Open access
Locations
  • American Heart Journal (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion)
  • eSpace (Curtin University) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
  • Circulation
Funders
  • National Institutes of Health (5rc1hl099452-02)
  • Canadian Institutes of Health Research
  • National Heart, Lung, and Blood Institute (HHSN268201 100012C, HHSN268201100007C, HHSN2682 01100008C, HH-SN-268201100006C, HHSN268201100011C, HHSN268201100005C, HHSN268201100010C, HHSN26820 1100009C, RC1-HL099452)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Atrial Fibrillation Management and Outcomes
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Acute Myocardial Infarction Research
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac electrophysiology and arrhythmias
Keywords
high-sensitivity troponin T, atrial fibrillation, incident atrial fibrillation, myocardial injury, atrial fibrillation risk stratification, risk prediction, net reclassification improvement, Atherosclerosis Risk in Communities Study
MeSH terms
Aged, Atrial Fibrillation, Humans, Male, Middle Aged, Risk Factors, Risk Assessment, Troponin T, Atherosclerosis

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