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Ascorbic acid (AA) supplementation may increase hemoglobin levels and decrease erythropoiesis-stimulating agent dose requirement in patients with end stage renal disease (ESRD). While plasma AA levels >100μM may be supratherapeutic, levels of at least 30μM may be needed to improve wound healing and levels may need to reach 70μM to optimize erythropoiesis. Of concern, oxalate (Ox), an AA metabolite,...
To determine the prevalence of vitamin C (ascorbic acid [AA]) deficiency in patients with end-stage renal disease, the effect of supplemental AA on plasma AA concentrations, and the extrinsic and intrinsic factors that affect plasma AA concentrations in this patient population.In study 1, we compared the effect of hemodialysis (HD) on plasma AA concentrations between patients with low and high pre-HD...
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