Background: Selenium (Se) is an essential trace element mainly obtained from seafood, meat, and cereals. Se deficiency has been identified as a major contributing factor in the pathogenesis of certain congestive heart failure (CHF) syndromes. Since there is controversy over the prevalence of Se deficiency among patient with CHF, the aim of this study was to assess the serum Se concentrations in patients with CHF and compared them with the Se status of healthy controls.Methods: The study included 77 patients (age, 68.4 ± 10.4 years old; 40.3% female) and 73 healthy volunteers (64.9 ± 4.7 years old; 35.6% female). A complete medical/drug history and physical examination were performed for all patients and healthy volunteers. All patients had symptoms and signs of CHF and had a left ventricular ejection fraction (EF) of < 40% obtained by echocardiography. The Se concentration was assessed by atomic absorption spectrometer with the Graphite Tube Atomizer. The limit of measurement was 5 μg/L. Results: The Se concentrations in CHF patients did not show a significant difference from those of healthy controls (185.9 ± 781.2 μg/L vs. 123.3 ± 115.5 μg/L, respectively; p value = 0.499). There was no correlation between serum Se concentrations and EF in both the normal group and the patients with heart failure (p value = 0.96 and 0.99; r = 0.006 and 0.002 for patients and healthy volunteers, respectively).Conclusion: In this study, serum Se levels in CHF patients were similar to those of controls and the Se concentrations did not correlate with the degree of left ventricular dysfunction
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