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►British Society of Gastroenterology 2011
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–Evaluate with complete blood count, including Hb and mean corpuscular volume (MCV), reticulocyte count, ferritin level, total iron-binding capacity, and transferrin saturation. Calculate a reticulocyte index and Mentzer index.
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Practice Pearl
Iron deficiency anemia (IDA) and anemia of chronic disease (ACD), sometimes called anemia of inflammation, are the two most common causes of anemia. ACD is often underrecognized, with some hospital-based studies in the United States estimating the prevalence as high as 70%. See Table 7–1 for common causes of anemia.
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ANEMIA, CHEMOTHERAPY ASSOCIATED
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►American Society of Hematology (ASH) 2019
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–Offer erythrocyte-stimulating agents (ESAs) if Hb < 10 g/dL and curative intent. Consider RBC transfusion as alternative.
–Do not offer ESAs to cancer patients with anemia who are not on chemotherapy. Exception: patients with lower risk myelodysplastic syndromes and a serum erythropoietin < 500 IU/L.
–In patients with myeloma, non-Hodgkin lymphoma, or chronic lymphocytic leukemia, observe the response to treatment before considering an ESA.
–Counsel patients on the thromboembolic risks associated with ESAs.
–Epoetin beta and alfa, darbepoetin, and biosimilar epoetin alfa have equivalent safety and efficacy.
–Discontinue ESAs if there is no response within 6–8 wk.
–Consider iron replacement to improve Hb response and reduce RBC transfusions. See “Anemia of Chronic Disease” section for iron store assessment in inflammatory states.
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ANEMIA, HEMOLYTIC (HA)
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