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 ORIGINAL ARTICLE
Year : 2010  |  Volume : 20  |  Issue : 3  |  Page : 125-131

Iron status, inflammation and hepcidin in ESRD patients: The confounding role of intravenous iron therapy


1 Department of Nephrology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
2 Department of Hematology, Postgraduate Institute of Medical Education and Research, Chandigarh, India

Correspondence Address:
V Jha
Postgraduate Institute of Medical Education and Research, Chandigarh - 160 012
India
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Source of Support: Indian Council of Medical Research, Conflict of Interest: None


DOI: 10.4103/0971-4065.70840

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Uremia is a state of heightened inflammatory activation. This might have an impact on several parameters including anemia management. Inflammation interferes with iron utilization in chronic kidney disease through hepcidin. We studied the body iron stores, degree of inflammatory activation, and pro-hepcidin levels in newly diagnosed patients with end-stage renal disease (ESRD), and compared them with normal population. In addition to clinical examination and anthropometry, the levels of iron, ferritin, C-reactive protein, tumor necrosis factor alfa, interleukin-6, and prohepcidin were estimated. A total of 74 ESRD patients and 52 healthy controls were studied. The ESRD patients had a significantly lower estimated body fat percentage, muscle mass, and albumin; and higher transferrin saturation (TSAT) and raised serum ferritin. Inflammatory activation was evident in the ESRD group as shown by the significantly higher CRP, IL-6, and TNF-α levels. The pro-hepcidin levels were also increased in this group. Half of the ESRD patients had received parenteral iron before referral. Patients who had received intravenous iron showed higher iron, ferritin, and TSAT levels. These patients also showed more marked inflammatory activation, as shown by the significantly higher CRP, TNF-α, and IL-6 levels. We conclude that our ESRD patients showed marked inflammatory activation, which was more pronounced in patients who had received IV iron. High hepcidin levels could explain the functional iron deficiency. The cause of the relatively greater degree of inflammatory activation as well as the relationship with IV iron administration needs further studies.






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