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  • Title: Serum fetuin A and chemerin levels correlate with hepatic steatosis and regional adiposity in maintenance hemodialysis patients.
    Author: Chen HY, Lin CC, Chiu YL, Hsu SP, Pai MF, Yang JY, Peng YS.
    Journal: PLoS One; 2012; 7(7):e38415. PubMed ID: 22815691.
    Abstract:
    BACKGROUND: A deficiency of fetuin A is linked to cardiovascular calcification and mortality in dialysis patients. But, high levels of fetuin A and chemerin correlate with hepatic steatosis and regional adiposity in general population. The association between hepatic steatosis and fetuin A/chemerin levels in hemodialysis (HD) remains unclear. METHODS: We performed a cross-sectional, observational study; 216 prevalent HD patients from a single center were enrolled. Baseline serum fetuin A, chemerin levels, conicity index and anthropometric parameters were checked. Presence of hepatic steatosis was qualified by liver ultrasound and quantified by the hepato-renal index (HRI); central obesity defined by waist circumference (WC). ROC analyses and multivariate logistic regression analyses for prediction of hepatic steatosis and central obesity on the basis of fetuin A/chemerin levels, anthropometric parameters, and other relevant covariates were performed. RESULTS: Data from 103 women and 113 men (mean age 60±12 years) were analyzed. Eighty subjects had hepatic steatosis and their HRIs were significantly higher than those without hepatic steatosis (P<0.001). Serum fetuin A levels were positively associated with HRIs (P<0.001) and chemerin levels (P<0.001). Fetuin A, chemerin and WC were predictors for hepatic steatosis and central obesity by ROC curve. In multivariate logistic regression analysis, fetuin A and WC independently predicted hepatic steatosis defined by HRIs. And chemerin predicted central obesity and regional adiposity after covariate adjustments (all P<0.05). CONCLUSIONS: Serum fetuin A levels were higher in prevalent HD patients with hepatic steatosis, and positively correlated with chemerin levels. Chemerin levels predicted central obesity as well as regional adiposity in the HD patients.
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