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. 2014 Dec 4:13:181.
doi: 10.1186/1476-511X-13-181.

Glycated hemoglobin level is significantly associated with the severity of coronary artery disease in non-diabetic adults

Anping Cai, Guang Li, Jiyan Chen, Xida Li, Xuebiao Wei, Liwen Li  1 , Yingling Zhou
Affiliations

Glycated hemoglobin level is significantly associated with the severity of coronary artery disease in non-diabetic adults

Anping Cai et al. Lipids Health Dis. .

Abstract

Background: To investigate relationship between glycated hemoglobin (HbA1c) level and coronary artery disease (CAD) severity.

Methods: Observational study was conducted and 573 participants were enrolled and baseline characteristics were collected. Clinical presentations in terms of stable angina, unstable angina or acute myocardial infarction were diagnosed. All participants were performed coronary angiography to figure out the numbers of coronary artery stenosis in terms of none-stenosis (< 50% stenosis), single or multiple vessels stenoses (≥ 50% stenosis). All participants were divided into subgroups according to two categories in terms of severity of clinical presentation (stable angina, unstable angina, or acute myocardial infarction) and the number of coronary artery stenosis (none, single, and multiple vessels). Primary endpoint was to evaluate relationship between baseline HbA1c value and CAD severity.

Results: Consistent to previous studies, participants with CAD had more risk factors such as elderly, smoking, low HDL-C and high CRP levels. Notably, HbA1c level was more prominent in CAD group than that without CAD. As compared to stable angina subgroup, HbA1c levels were gradually increased in unstable angina and acute myocardial infarction groups. Similar trend was identified in another category in terms of higher HbA1c level corresponding to more vessels stenoses. Multivariate regression analyses showed that after adjusted for traditional risk factors as well as fasting blood glucose, HbA1c remained strongly associated with the severity of CAD. Nonetheless, there was no significant association when CRP was accounted for.

Conclusion: HbA1c may be a useful indicator for CAD risk evaluation in non-diabetic adults.

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Figures

Figure 1
Figure 1
Comparison of HbA1c levels among each subgroup in the two categories. Panel A, HbA1c levels comparison among stable, unstable and AMI groups. Panel B, HbA1c levels comparison among none, single, and multiple vessels stenoses groups.
See this image and copyright information in PMC

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