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  • Title: Evaluation of iron status in patients on chronic hemodialysis: relative usefulness of bone marrow hemosiderin, serum ferritin, transferrin saturation, mean corpuscular volume and red cell protoporphyrin.
    Author: Moreb J, Popovtzer MM, Friedlaender MM, Konijn AM, Hershko C.
    Journal: Nephron; 1983; 35(3):196-200. PubMed ID: 6633760.
    Abstract:
    The diagnostic usefulness of bone marrow hemosiderin, serum ferritin, transferrin saturation, mean corpuscular volume (MCV) and red cell protoporphyrin (EPP) in the evaluation of iron status in patients on chronic hemodialysis was studied in 39 subjects. The correlation between serum ferritin and the number of transfusions received per month was slightly higher (r = 0.717; p less than 0.001) than the correlation between bone marrow hemosiderin and transfusions (r = 0.685; p less than 0.01). Serum ferritin was useful in identifying subjects with both increased or reduced iron stores. In contrast, transferrin saturation could only be used for indicating iron overload. MCV for indicating iron deficiency, and EPP was not useful in either case. The abnormal increase of EPP in chronic uremia has not been previously described. It is unrelated to iron deficiency and is most probably explained by the known reduction in red cell ferrochelatase activity associated with chronic uremia. Serum ferritin is clearly the most useful diagnostic aid for assessing iron stores in patients on chronic hemodialysis. Whether ferritin is also the best predictor of response to iron therapy, cannot be determined on the basis of the present data.
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