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, 30 (2), 315-324

Association of Hepcidin and Anemia in Early Chronic Kidney Disease

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Association of Hepcidin and Anemia in Early Chronic Kidney Disease

Satyendra Kumar Sonkar et al. Saudi J Kidney Dis Transpl.

Abstract

Hepcidin is being extensively studied for anemia and inflammation in chronic kidney disease (CKD) patients. Hepcidin is thought to regulate iron metabolism by iron blockade through various mechanisms. Patients with CKD have early cardiac mortality due to anemia and subclinical inflammation; hence, we studied hepcidin as a biomarker in patients with early stage of CKD in relation to anemia and inflammation. In our cross-sectional study, a total of 80 patients were enrolled of whom, there were 25, 26, and 29 patients in CKD stages 1, 2, and 3, respectively. Patients were divided into normal iron level (39), functional iron deficiency (FID) (18), and absolute iron deficiency (AID) (23) based on transferrin saturation and ferritin. We found significantly high level of hepcidin (P <0.05) and high-sensitivity C-reactive protein (hsCRP) (P <0.05) in FID as compared to AID as well as normal iron level. We also found other inflammatory markers such as albumin, transferrin, and ferritin to be significantly associated with FID. In univariate analysis, hemoglobin (Hb) varied significantly with serum total iron-binding capacity (r = 0.40, P <0.001), log hsCRP (r = -0.32, P <0.01), and log ferritin (r = -0.23, P <0.05); however, Hb was not affected significantly with log hepcidin (r = -0.07, P >0.05). The study indicates that among early CKD patients with FID, there was high level of hepcidin along with other inflammatory parameters, which may be associated with poor cardiovascular disease outcome due to increased inflammation.

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