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Correlations of arterial stiffness/central hemodynamics with serum cardiac troponin T and natriuretic peptide levels in a middle-aged male worksite cohort.

Abstract：

BACKGROUND:Elevated serum levels of cardiac troponin T (cTnT) and N-terminal fragment of B-type natriuretic peptide (NT-proBNP), and also increased arterial stiffness/abnormal central hemodynamics, are well-known risk factors for future cardiovascular events. The present study was conducted to clarify which of the two - the serum level of cTnT or that of NT-proBNP - might be more closely associated with the arterial stiffness/central hemodynamics. METHODS:In 2374 male employees of a company (46±9 years), the following parameters were measured: second peak of the radial systolic pressure waveform (SP2), radial augmentation index (rAI), PP2 (SP2 minus the diastolic blood pressure), brachial-ankle pulse wave velocity (baPWV), and serum levels of cTnT and NT-pro BNP. RESULTS:After adjustments for confounding variables, binary logistic regression analyses demonstrated that baPWV was associated with a significant odds ratio for serum NT-proBNP ≥125pg/mL (1.690; 95% confidence interval=1.136-2.514, p=0.002) and rAI was associated with a significant odds ratio for serum NT-proBNP ≥55pg/mL (1.205; 95% confidence interval=1.012-1.435, p=0.036). The baPWV, rAI, SP2, and PP2 were not associated with significant odds ratios for elevated serum cTnT levels (≥0.014ng/mL and ≥0.010ng/mL). CONCLUSIONS:In the middle-aged male worksite cohort studied, increased arterial stiffness/abnormal central hemodynamics appeared to be associated with elevated serum NT-proBNP levels, rather than with minimally elevated serum cTnT levels. This difference may be one of the plausible explanations for the independency of the predictive values of the two serum markers for future cardiovascular events.

journal_name

J Cardiol

journal_title

Journal of cardiology

authors

Kimura K,Tomiyama H,Matsumoto C,Odaira M,Shiina K,Nagata M,Yamashina A

doi

10.1016/j.jjcc.2014.10.008

subject

Has Abstract

pub_date

2015-08-01 00:00:00

pages

135-42

issue

eissn

0914-5087

issn

1876-4738

pii

S0914-5087(14)00306-2

journal_volume

pub_type

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Correlations of arterial stiffness/central hemodynamics with serum cardiac troponin T and natriuretic peptide levels in a middle-aged male worksite cohort.