Abstract
The roles of metabolic syndrome and chronic subclinical inflammation in arterial stiffening and the development of heart failure remain to be elucidated. Whether adiponectin and high-sensitivity C-reactive protein (hs-CRP) were independently related to brachial-ankle pulse-wave velocity (ba-PWV) and N-terminal pro-brain natriuretic peptide (NT-pro-BNP) in the general population were investigated. Eligible study subjects were 445 Chinese residents aged > or =40 years who participated in a community-based survey, underwent examination of ba-PWV, and had complete data of serum adiponectin, hs-CRP (<10 mg/L), and NT-pro-BNP. Adiponectin, but not hs-CRP, was independently related to ba-PWV (standardized regression parameter -0.107, p <0.05) when age, gender, body mass index, and number of metabolic syndrome components were accounted for. On the other hand, ba-PWV, adiponectin, and hs-CRP were independently related to NT-pro-BNP (standardized regression parameters 0.116, 0.188, and 0.094, respectively; all p <0.05) when age, gender, body mass index, number of metabolic syndrome components, and renal function were accounted for. In conclusion, adiponectin, but not hs-CRP, is independently associated with both ba-PWV and NT-pro-BNP in the general population. Because adiponectin, hs-CRP, ba-PWV, and NT-pro-BNP may represent markers for metabolic syndrome, chronic subclinical inflammation, arterial stiffness, and ventricular dysfunction, respectively, our results suggest that adiponectin may directly modulate both arterial stiffening and ventricular dysfunction. In contrast, hs-CRP may independently contribute to ventricular dysfunction, but not arterial stiffening.
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