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The G lycemic I ndices in D ialysis E valuation ( GIDE ) study: Comparative measures of glycemic control in diabetic dialysis patients
Author(s) -
Williams Mark E.,
Mittman Neal,
Ma Lin,
Brennan Julia I.,
Mooney Ann,
Johnson Curtis D.,
Jani Chinu M.,
Maddux Franklin W.,
Lacson Eduardo
Publication year - 2015
Publication title -
hemodialysis international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.658
H-Index - 47
eISSN - 1542-4758
pISSN - 1492-7535
DOI - 10.1111/hdi.12312
Subject(s) - glycemic , medicine , peritoneal dialysis , diabetes mellitus , hemodialysis , dialysis , kidney disease , fructosamine , dialysis adequacy , end stage renal disease , endocrinology
The validity of hemoglobin A 1c ( HgbA1c ) is undergoing increasing scrutiny in the advanced CKD / ESRD (chronic kidney disease/end‐stage renal disease) population, where it appears to be discordant from other glycemic indices. In the Glycemic Indices in Dialysis Evaluation ( GIDE ) Study, we sought to assess correlation of HgbA1c with casual glucose, glycated albumin, and serum fructosamine in a large group of diabetic patients on dialysis. From 26 dialysis facilities in the U nited S tates, 1758 diabetic patients (hemodialysis = 1476, peritoneal dialysis = 282) were enrolled in the first quarter of 2013. The distributions of HgbA1c and the other glycemic indices were analyzed. Intra‐patient coefficients of variation and correlations among the four glycemic indices were determined. Patients with low HgbA1c values were both on higher erythropoietin ( ESA ) doses and more anemic. Serum glucose exhibited the highest intra‐patient variability over a 3‐month period; variability was modest among the other glycemic indices, and least with HgbA1c . Statistical analyses inclusive of all glycemic markers indicated modest to strong correlations. HgbA1c was more likely to be in the target range than glycated albumin or serum fructosamine, suggesting factors which may or may not be directly related to glycemic control, including anemia, ESA management, and iron administration, in interpreting HgbA1c values. These initial results from the GIDE Study clarify laboratory correlations among glycemic indices and add to concerns about reliance on HgbA1c in patients with diabetes and advanced kidney disease.

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