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Nutr Metab Cardiovasc Dis. 2013 Apr;23(4):375-81. doi: 10.1016/j.numecd.2011.09.004. Epub 2011 Nov 25.

Decreased serum bilirubin is associated with arterial stiffness in men.

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1
Department of Geriatrics, The Second Affiliated Hospital, Harbin Medical University, NO.246 Xuefu ST, Nangang District, Harbin 150086, Heilongjiang, China.

Abstract

BACKGROUND AND AIMS:

The brachial-ankle pulse wave velocity (baPWV) is a marker for early atherosclerotic changes. Serum total bilirubin (TB) is an effective antioxidant and has been associated with carotid intima-media thickness, cardiovascular disease, stroke and peripheral arterial disease, all of which may be caused by arteriosclerosis. This study aimed to investigate the association of TB with arterial stiffness.

METHODS AND RESULTS:

In this cross-sectional study, we investigated the relationship between TB and baPWV in 2207 participants (1331 men, 876 women) in a general health examination. Different metabolic parameters were compared across TB quartiles. Age-adjusted mean values of baPWV gradually decreased with TB quartiles in men (Q1 = 1348, Q2 = 1266, Q3 = 1215, and Q4 = 1154 cm/s). However, the age-adjusted means of baPWV had no significance in women according to TB quartiles. Univariate analysis showed that age, smoking status, BMI, SBP, DBP, AST, ALT, GGT, TB, TG, and HDL-C were significantly associated with baPWV in men, whereas only age, BMI, SBP, DBP, TG and FPG were significantly associated with baPWV in women. In addition, BMI, SBP, TB, age, TG, and AST were significant factors in the multivariate model with baPWV in men; only BMI and FPG were significant factors with baPWV in women.

CONCLUSION:

The findings show that serum total bilirubin concentration is negatively correlated to arterial stiffness in Chinese men. Early detection of abnormal bilirubin levels could potentially serve as an early biomarker for arterial stiffness.

PMID:
22118956
DOI:
10.1016/j.numecd.2011.09.004
[Indexed for MEDLINE]
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