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- W2012300372 abstract "<i>Background:</i> Resistance to erythropoiesis-stimulating agents (ESAs) has been observed in patients with chronic kidney disease (CKD) and it is associated with clinical outcomes. The presence of ESA resistance cannot always be explained by the known risk factors of the condition, suggesting that additional factors may be involved. We wanted to test the hypothesis that vitamin D insufficiency is associated with lower hemoglobin (Hb) and ESA resistance in patients on maintenance hemodialysis (HD). <i>Methods:</i> Data from patients receiving maintenance HD in a single dialysis center were extracted from the medical records in a retrospective chart review. Basic patient characteristics and laboratory data including Hb, serum albumin, intact parathyroid hormone and serum 25(OH)-cholecalciferol (25(OH)D<sub>3</sub>) levels were collected. ESA dose and Kt/V were extracted from the dialysis charts. Correlation analysis and multivariate linear regression analysis were used to reveal potential independent associations between clinical and laboratory parameters and ESA resistance. <i>Results:</i> Data from 142 patients were analyzed. Serum 25(OH)D<sub>3</sub> concentration was significantly correlated with Hb (ρ = 0.186, p < 0.05) and also with ESA dose/Hb index (ρ = 0.230, p < 0.01). In multivariable regression analyses, serum 25(OH)D<sub>3</sub> concentration remained significantly associated with both Hb and ESA dose/Hb index after controlling for potentially important confounders. <i>Conclusion:</i> Serum 25(OH)D<sub>3</sub> concentration is independently associated with erythropoietin responsiveness in CKD patients on maintenance HD. If this association will be confirmed, treatment trials looking at the effect of vitamin D supplementation on anemia treatment in CKD patients may be warranted." @default.
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- W2012300372 date "2010-11-12" @default.
- W2012300372 modified "2023-10-17" @default.
- W2012300372 title "Serum 25(OH)-Cholecalciferol Concentration Is Associated with Hemoglobin Level and Erythropoietin Resistance in Patients on Maintenance Hemodialysis" @default.
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- W2012300372 doi "https://doi.org/10.1159/000321521" @default.
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