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  • Title: Indexes of the erythropoietin level in the blood plasma of chronic heart failure patients with anemia.
    Author: Zahidova KK.
    Journal: J Basic Clin Physiol Pharmacol; 2018 Jan 26; 29(1):11-17. PubMed ID: 29220885.
    Abstract:
    BACKGROUND: Anemia aggravates the disease course and the survival rate of chronic heart failure (CHF) patients. The purpose of the study was to investigate the level of erythropoietin (EPO) in CHF patients with anemic syndrome, with the aim to more accurately assess the severity of the disease and its treatment, depending on the anemia degree. METHODS: Patients with ischemic CHF of I-IV functional class (FC) with and without anemia were examined (total number of patients=208, patients with anemia=174). The EPO was determined using the enzyme-linked immunosorbent assay. Before treatment, the patients underwent the following medical therapy: angiotensin-converting enzyme inhibitors, angiotensin II receptor blockers, long-acting nitrates, diuretics, digoxin, and beta-blockers at individual doses. Depending on the plasma EPO level, the CHF patients with anemia were divided into four randomized groups in terms of treatment. RESULTS: Normal erythropoietinemia was found in 36.2% of the CHF patients with anemic syndrome (I-III FC), hypoerythropoietinemia in 44.8% (III-IV FC), and hypererythropoietinemia in 18.96% (III-V FC). The EPO level in the blood plasma of the patients with I-II FC CHF with hypoerythropoietinemia, who were treated with methoxy polyethylene glycol-epoetin β (MEB), increased by 2.2 times. Combination therapy with disease-modifying drugs and MEB led to a significant increase in the plasma EPO level in the CHF patients with hypoerythropoietinemia. CONCLUSIONS: It was shown that the EPO level in patients with CHF and anemia did not always drop. Hypererythropoietinemia in patients with CHF and anemia leads to an unfavorable treatment prediction. This necessitates the investigation of the EPO level in all patients with CHF before and after treatment, with the aim of correcting the anemic syndrome. The research showed that the combined therapy of patients with CHF and anemia using MEB medication and iron with regard to the EPO level in the blood plasma improved their overall physical condition, reduced heart failure symptoms and hospitalization frequency, and demonstrated a clear tendency to reduce the general mortality rate.
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