Document Detail


Association between high-sensitivity cardiac troponin T levels and the predicted cardiovascular risk in middle-aged men without overt cardiovascular disease.
MedLine Citation:
PMID:  20569708     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: A slight elevation of cardiac troponin T (TnT) levels in the circulating blood can be detected by the recently developed, high-sensitivity TnT (hsTnT) assay. However, it remains unclear whether a slight elevation of hsTnT is associated with an increased cardiovascular risk in subjects without overt cardiovascular disease (CVD).
METHODS: The serum hsTnT levels were measured in a work site-based population of 1,072 middle-aged males (mean age 44 years) without any history or presence of CVD. The lower detection limit of the hsTnT assay used in the present study was 0.002 ng/mL. The association of the hsTnT levels with cardiovascular risk factors and the predicted CVD risk, as determined by the Framingham CVD risk prediction score, were examined.
RESULTS: Detectable hsTnT levels were seen in 867 subjects (80.9%). The highest value of the hsTnT was 0.020 ng/mL. Among various cardiovascular risk factors, age, blood pressure, estimated glomerular filtration rate, current smoking, and left ventricular hypertrophy were independent determinants of hsTnT levels. The odds ratio for a high predicted CVD risk (10-year risk > or =20%) in the highest tertile of hsTnT (> or =0.005 ng/mL) in comparison to the lowest tertile (< or =0.002 ng/mL) was 3.98 (95% CI 1.72-9.24, P = .001) after adjusting for multiple potential confounders.
CONCLUSIONS: The present study showed the hsTnT levels to be significantly associated with several cardiovascular risk factors and the predicted CVD risk in middle-aged men without overt CVD, thus suggesting the usefulness of measuring hsTnT to identify high-risk subjects in the primary prevention of CVD.
Authors:
Toshiaki Otsuka; Tomoyuki Kawada; Chikao Ibuki; Yoshihiko Seino
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  American heart journal     Volume:  159     ISSN:  1097-6744     ISO Abbreviation:  Am. Heart J.     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-06-23     Completed Date:  2010-07-15     Revised Date:  2010-12-22    
Medline Journal Info:
Nlm Unique ID:  0370465     Medline TA:  Am Heart J     Country:  United States    
Other Details:
Languages:  eng     Pagination:  972-8     Citation Subset:  AIM; IM    
Copyright Information:
Copyright 2010 Mosby, Inc. All rights reserved.
Affiliation:
Department of Hygiene and Public Health, Nippon Medical School, Tokyo, Japan. otsuka@nms.ac.jp
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MeSH Terms
Descriptor/Qualifier:
Adult
Age Factors
Cardiovascular Diseases / blood*,  epidemiology
Follow-Up Studies
Humans
Immunoassay
Incidence
Japan / epidemiology
Male
Middle Aged
Predictive Value of Tests
Prognosis
Questionnaires
Retrospective Studies
Risk Factors
Troponin T / blood*
Chemical
Reg. No./Substance:
0/Troponin T
Comments/Corrections
Comment In:
Am Heart J. 2010 Jun;159(6):933-6   [PMID:  20569702 ]
Am Heart J. 2010 Dec;160(6):e47; author reply e49   [PMID:  21146648 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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