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Int J Cardiol. 2013 Sep 1;167(5):2066-72. doi: 10.1016/j.ijcard.2012.05.045. Epub 2012 May 31.

Plasma glycated albumin level and atherosclerosis: results from the Kyushu and Okinawa Population Study (KOPS).

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1
Department of General Internal Medicine, Kyushu University Hospital, Fukuoka, Japan. furusyo@gim.med.kyushu-u.ac.jp

Abstract

BACKGROUND:

Glycated albumin (GA) is a measure of the mean plasma glucose concentration over approximately 2-3 weeks. This study was done to test the hypothesis that GA can serve as a marker for atherosclerosis, similar to glycosylated hemoglobin A1c (HbA1c).

METHODS:

HbA1c, plasma GA and serum high-sensitivity C-reactive protein (hs-CRP) levels were measured for 1575 residents (age range 26-78 years) of a suburban town in Japan. Carotid artery intima-media thickness (IMT) was measured by ultrasound for each participant.

RESULTS:

GA levels had significantly positive correlation coefficients with HbA1c level, hs-CRP level, and max-IMT (all P<0.001). Receiver operating characteristic curve analysis indicated a GA level of ≥ 15.5% to be optimal for predicting diabetes. A GA level of 15.5% corresponded to an HbA1c level of 5.8%. The hs-CRP and max-IMT values of participants with GA ≥ 15.5% were significantly higher than the values of those with GA <15.5% (median hs-CRP: 2.4 vs. 2.3mg/L, P=0.048; mean max-IMT 0.852 vs. 0.759 mm, P=0.003, respectively). Among obese participants, the hs-CRP and max-IMT values of those with GA ≥ 15.5% (7.5mg/L and 1.014 mm) were significantly higher than the values of those with GA <15.5% (4.7 mg/dL and 0.823 mm) (P=0.024 and P=0.001, respectively).

CONCLUSIONS:

Increased IMT and hs-CRP levels were associated with a high GA level, especially for obese participants, suggesting that GA would be as a useful biomarker for assessing the risk of atherosclerosis.

KEYWORDS:

C-reactive protein; Glycated albumin; Intima-media thickness

PMID:
22658569
DOI:
10.1016/j.ijcard.2012.05.045
[Indexed for MEDLINE]
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