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Arterial stiffness is associated with minimally elevated high-sensitivity cardiac, troponin T levels in a community-dwelling population.
MedLine Citation:
PMID:  21784424     Owner:  NLM     Status:  Publisher    
OBJECTIVES: Arterial stiffness predicts an increased risk of future cardiovascular events, possibly via myocardial damage. Minimally elevated levels of plasma cardiac troponin T (TnT), a marker of cardiomyocyte injury, can be detected by the high-sensitivity TnT (hsTnT) assay. The current study investigated the relationship between plasma hsTnT levels and alterations in arterial stiffness in a community-based population. METHODS: We related levels of plasma hsTnT to measures of arterial stiffness (carotid-femoral pulse wave velocity [PWV], office pulse pressure [PP] and carotid-radial PWV) in 1479 participants (mean age, 62.3 years; 619 men, 860 women) from a community-based population in Beijing, China. RESULTS: In multiple logistic regression models, carotid-femoral PWV (OR: 1.84; 95% CI: 1.06-3.17; P=0.028) and office PP (OR: 2.02; 95% CI: 1.31-3.11; P=0.002) were associated with a higher likelihood of detectable hsTnT. In addition, carotid-femoral PWV (OR: 2.34; 95% CI: 1.03-5.30; P=0.042) and office PP (OR: 2.30; 95% CI: 1.13-4.66; P=0.022) were significantly related to elevated hsTnT levels. A subsequent subgroup analysis found that, in subjects aged 60 years and older, the associations between carotid-femoral PWV and office PP and hsTnT levels were strengthened. The associations between hsTnT with any of the arterial stiffness measures were not present in the younger subgroup (<60 years old). CONCLUSIONS: Carotid-femoral PWV and office PP are associated with minimally elevated hsTnT levels in the elderly, indicating a relationship between central artery stiffness and subclinical myocardial damage.
Yongyi Bai; Ping Ye; Leiming Luo; Wenkai Xiao; Ruyi Xu; Hongmei Wu; Jie Bai
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-6-25
Journal Detail:
Title:  Atherosclerosis     Volume:  -     ISSN:  1879-1484     ISO Abbreviation:  -     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-7-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0242543     Medline TA:  Atherosclerosis     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.
Department of Geriatric Cardiology, Chinese PLA General Hospital, No. 28, Fuxing Road, Beijing 100853, China.
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