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Factors affecting high-sensitivity cardiac troponin T elevation in Japanese metabolic syndrome patients

Authors Hitsumoto T, Shirai K

Received 14 January 2015

Accepted for publication 17 February 2015

Published 10 March 2015 Volume 2015:8 Pages 157—162


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Editor who approved publication: Professor Ming-Hui Zou

Takashi Hitsumoto,1 Kohji Shirai2

1Hitsumoto Medical Clinic, Yamaguchi, Japan; 2Department of Vascular Function (donated), Sakura Hospital, Toho University School of Medicine, Chiba, Japan

Purpose: The blood concentration of cardiac troponin T (ie, high-sensitivity cardiac troponin T [hs-cTnT]), measured using a highly sensitive assay, represents a useful biomarker for evaluating the pathogenesis of heart failure or predicting cardiovascular events. However, little is known about the clinical significance of hs-cTnT in metabolic syndrome. The aim of this study was to examine the factors affecting hs-cTnT elevation in Japanese metabolic syndrome patients.
Patients and methods: We enrolled 258 metabolic syndrome patients who were middle-aged males without a history of cardiovascular events. We examined relationships between hs-cTnT and various clinical parameters, including diagnostic parameters of metabolic syndrome.
Results: There were no significant correlations between hs-cTnT and diagnostic parameters of metabolic syndrome. However, hs-cTnT was significantly correlated with age (P<0.01), blood concentrations of brain natriuretic peptide (P<0.01), reactive oxygen metabolites (markers of oxidative stress, P<0.001), and the cardio–ankle vascular index (marker of arterial function, P<0.01). Furthermore, multiple regression analysis revealed that these factors were independent variables for hs-cTnT as a subordinate factor.
Conclusion: The findings of this study indicate that in vivo oxidative stress and abnormality of arterial function are closely associated with an increase in hs-cTnT concentrations in Japanese metabolic syndrome patients.

Keywords: troponin, metabolic syndrome, risk factor, oxidative stress, cardio–ankle vascular index

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