BACKGROUND/AIMS: Anemia in chronic kidney disease is an independent predictor of cardiovascular disease (CVD). We explored the relationship between anemia and markers of inflammation and endothelial activation in non-dialysis chronic kidney disease (ND-CKD) patients to understand this mechanism. METHODS: Cross-sectional analysis was performed on 30 adult ND-CKD patients for markers of inflammation and endothelial activation using a multiplexed immunoassay. Data were analyzed according to the anemic status defined by the modified World Health Organization criteria. RESULTS: Seventeen patients were classified as anemic. Baseline characteristics by anemic status were similar except that anemic patients were older (p = 0.006), had lower estimated glomerular filtration rate (eGFR; p = 0.01) and higher prevalence of CVD (p = 0.02). Compared to non-anemic patients, log-transformed values of fibrinogen (p = 0.012); von Willebrand factor (vWF, p = 0.008), vascular cell adhesion molecule-1 (VCAM-1, p = 0.025) and C-reactive protein (p = 0.043) were elevated in anemic patients. Serum ferritin (p = 0.93) and serum albumin (p = 0.06) were not different. Age and eGFR-adjusted logistic regression analysis showed that anemic patients had increased odds for a composite of higher median values of fibrinogen, vWF and VCAM-1 (p = 0.01, odds ratio 8.1, 95% CI 1.08-111.0). CONCLUSION: We report the association of anemia with elevated markers of endothelial activation in ND-CKD patients. Longitudinal studies are needed to confirm our findings. (c) 2008 S. Karger AG, Basel.
BACKGROUND/AIMS: Anemia in chronic kidney disease is an independent predictor of cardiovascular disease (CVD). We explored the relationship between anemia and markers of inflammation and endothelial activation in non-dialysis chronic kidney disease (ND-CKD) patients to understand this mechanism. METHODS: Cross-sectional analysis was performed on 30 adult ND-CKDpatients for markers of inflammation and endothelial activation using a multiplexed immunoassay. Data were analyzed according to the anemic status defined by the modified World Health Organization criteria. RESULTS: Seventeen patients were classified as anemic. Baseline characteristics by anemic status were similar except that anemicpatients were older (p = 0.006), had lower estimated glomerular filtration rate (eGFR; p = 0.01) and higher prevalence of CVD (p = 0.02). Compared to non-anemicpatients, log-transformed values of fibrinogen (p = 0.012); von Willebrand factor (vWF, p = 0.008), vascular cell adhesion molecule-1 (VCAM-1, p = 0.025) and C-reactive protein (p = 0.043) were elevated in anemicpatients. Serum ferritin (p = 0.93) and serum albumin (p = 0.06) were not different. Age and eGFR-adjusted logistic regression analysis showed that anemicpatients had increased odds for a composite of higher median values of fibrinogen, vWF and VCAM-1 (p = 0.01, odds ratio 8.1, 95% CI 1.08-111.0). CONCLUSION: We report the association of anemia with elevated markers of endothelial activation in ND-CKDpatients. Longitudinal studies are needed to confirm our findings. (c) 2008 S. Karger AG, Basel.
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