Abstract
Anemia of chronic diseases (ACD) refers to a group of anemias arising in various inflammatory infections, autoimmune or tumor diseases due to acute or chronic immune activation. ACD ranks second in incidence after iron deficiency anemia (IDA). Within the variety of pathogenetic mechanisms one of the primary ones is hepcidin synthesis in hepatocytes, which blocks iron absorption in the intestine and contributes to its deposition in cells of the monocyte-macrophage system. Besides, excessive cytokines in such diseases and pathologies lead to lower erythropoietin production which does not correspond to the severity grade of anemia. This results in impaired erythropoiesis in the bone marrow. The differential diagnosis should also specify iron deficiency type (the absolute one in IDA and the functional one in ACD). The effective treatment of the main disease and anemia correction speed up the improvement of patient’s status, rehabilitation, and quality of life.
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