- 期刊
Serum total iron-binding capacity and iron status in patients with non-dialysis-dependent chronic kidney disease: A cross-sectional study in Vietnam
摘要
Background and Objectives: We performed this study to evaluate serum iron and ferritin concentrations, serum total iron-binding capacity (TIBC), and proportion of overall iron deficiency among patients with non-dialysis-dependent chronic kidney disease (ND-CKD). Methods and Study Design: A hospital-based cross-sectional observational study was conducted on 175 adult patients with stage 3-5 chronic kidney disease (CKD) by using 51 healthy age-sex-matched Vietnamese adults as the control group. We next examined the prevalence of anemia and determined the serum iron and ferritin concentrations and TIBC. Anemia in CKD was defined as hemoglobin levels＜13g/dL in men and ＜12 g/dL in women. Transferrin saturation (TSAT, %) was calculated as (serum iron x 100)/TIBC. Functional iron deficiency was defined as serum ferritin ＞100 ng/mL and TSAT ＜20%, and absolute iron deficiency was defined as serum ferritin ＜100 ng/mL and TSAT ＜20%. Overall iron deficiency was defined as the presence of either absolute or functional iron deficiency. Results: Anemia prevalence in our study was approximately 88.6% with a mean hemoglobin concentration of 9.71±2.26 g/dL. The median serum TIBC was lower in the CKD group (50.4 μmol/L) than in the control group (66.0 μmol/L; p＜0.001). The proportion of overall iron deficiency was 44.0%. TIBC had a diagnostic value for overall iron deficiency (area under the ROC curve=0.81; p＜0.001). Conclusions: Anemia and iron deficiency are common in Vietnamese patients with NDCKD. TIBC had diagnostic value for overall iron deficiency.
延伸閱讀
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