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Comparison of glycated albumin and hemoglobin A1c levels in diabetic subjects on hemodialysis
Glycated albumin is thought to more accurately reflect glycemic control in diabetic hemodialysis patients than hemoglobin A1c because of shortened red cell survival. To test this, glycated hemoglobin and albumin levels were measured in blood samples collected from 307 diabetic subjects of whom 258 w...
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Published in: | Kidney international 2008-05, Vol.73 (9), p.1062-1068 |
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Main Authors: | , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Glycated albumin is thought to more accurately reflect glycemic control in diabetic hemodialysis patients than hemoglobin A1c because of shortened red cell survival. To test this, glycated hemoglobin and albumin levels were measured in blood samples collected from 307 diabetic subjects of whom 258 were on hemodialysis and 49 were without overt renal disease. In diabetic subjects with renal disease, relative to those without, the mean serum glucose and glycated albumin concentrations were significantly higher while hemoglobin A1c tended to be lower. The glycated albumin to hemoglobin A1c ratio was significantly increased in dialysis patients compared with the controls. Hemoglobin A1c was positively associated with hemoglobin and negatively associated with the erythropoietin dose in hemodialysis patients, whereas these factors and serum albumin did not significantly impact glycated albumin levels. Using best-fit multivariate models, dialysis status significantly impacted hemoglobin A1c levels without a significant effect on glycated albumin. Our results show that in diabetic hemodialysis patients, hemoglobin A1c levels significantly underestimate glycemic control while those of glycated albumin more accurately reflect this control. |
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ISSN: | 0085-2538 1523-1755 |
DOI: | 10.1038/ki.2008.25 |