Abstract
Background. The relationship between hemoglobin A1c (HbA1c) levels and the extent of coronary artery stenosis in patients with acute coronary syndrome (ACS) remains uncertain. The present study aimed to assess the correlation of HbA1c level with angiographic coronary atherosclerosis. Methods. 292 consecutive ACS patients were enrolled and stratified into three groups according to HbA1c levels (group 1: <6.0%, n = 137; group 2: 6.0–6.4%, n = 67; group 3: ≥6.5%, n = 88). The severity of coronary arteriosclerosis was assessed by Gensini score. The relationship between HbA1c and Gensini score was analyzed by multiple variables analysis. Results. HbA1c level was not associated with the severity of CAD assessed by Gensini score in patients with ACS, even after the adjustment for other risk factors. However, NT-proBNP, ApoA1 and LVEF levels were independent predictors for CAD severity. Moreover, HbA1c level was not associated with the risk of high Gensini score (>40) by logistic regression analysis. Diabetes mellitus (DM) and LVEF levels were two independent risk factors for high Gensini score. Conclusions. HbA1c level is not a significant and independent marker for the severity of angiography in ACS patients, even in high-risk patients.
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