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A cohort study of two intravenous treatments for iron deficiency in patients with heart failure.

08:00 EDT 12th July 2019 | BioPortfolio

Summary of "A cohort study of two intravenous treatments for iron deficiency in patients with heart failure."

Iron deficiency (ID) in patients with heart failure (HF) leads to greater morbidity and mortality and its treatment has been associated with significant improvements in quality of life. Since no head-to-head studies are available, there is uncertainty as to which intravenous iron supplement should be used. This study aimed to compare the effect of ferric carboxymaltose (FCM) and iron saccharate (IS) on clinical and biochemical outcomes in patients with HF and ID. We reviewed electronic health records from a referral centre in Bogotá, Colombia for patients with HF. We selected records with a follow-up of at least 2 years. Primary outcomes were clinically significant changes in EuroQol-5D (EQ-5D) , 6-minute-walk test (6MWT), resolution of ID, and direct costs. We obtained data on 119 patients with a median age of 69 years and a median left ventricular ejection fraction (LVEF) of 35%. All patients met criteria for ID, and 58% were treated with FCM. A significant difference in GFR of 11 mL/min/1.72 m was found at baseline between groups. Neither bivariate, nor multivariate analyses could identify significant differences between patients receiving FCM and IS for any of the primary outcomes. Direct cost analysis showed that FCM use generates 2.8 times the cost associated with saccharate use. This retrospective cohort study did not identify any significant differences in clinical or biochemical outcomes between HF patients with ID receiving FCM or IS. Direct cost analysis favoured use of IS in this group of patients.

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This article was published in the following journal.

Name: Acta cardiologica
ISSN: 1784-973X
Pages: 1-8

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Iron or iron compounds used in foods or as food. Dietary iron is important in oxygen transport and the synthesis of the iron-porphyrin proteins hemoglobin, myoglobin, cytochromes, and cytochrome oxidase. Insufficient amounts of dietary iron can lead to iron-deficiency anemia.

Anemia characterized by decreased or absent iron stores, low serum iron concentration, low transferrin saturation, and low hemoglobin concentration or hematocrit value. The erythrocytes are hypochromic and microcytic and the iron binding capacity is increased.

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Anemia characterized by a decrease in the ratio of the weight of hemoglobin to the volume of the erythrocyte, i.e., the mean corpuscular hemoglobin concentration is less than normal. The individual cells contain less hemoglobin than they could have under optimal conditions. Hypochromic anemia may be caused by iron deficiency from a low iron intake, diminished iron absorption, or excessive iron loss. It can also be caused by infections or other diseases, therapeutic drugs, lead poisoning, and other conditions. (Stedman, 25th ed; from Miale, Laboratory Medicine: Hematology, 6th ed, p393)

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