Journal
BMC CARDIOVASCULAR DISORDERS
Volume 20, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12872-020-01690-z
Keywords
N-Acetylneuraminic acid; Acute coronary syndrome; Myocardial infarction; GRACE score; Major adverse cardiovascular events
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Funding
- Key Project of Natural Science Research of the Anhui Provincial Department of Education [KJ2018A0219]
- National Natural Science Foundation of China [81970313]
- Innovation Team of Cardiovascular Injury and Protection Foundation [BYKC201906]
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BackgroundN-acetylneuraminic acid (Neu5Ac) is a functional metabolite involved in coronary artery disease (CAD). We aimed to evaluate the relationship between serum Neu5Ac and the risk and prognosis of acute coronary syndrome (ACS) in a real-world prospective study.MethodsPatients with suspected ACS who underwent coronary angiography were included. Serum Neu5Ac was measured at admission. Coronary lesion severity was evaluated by Gensini Score. GRACE risk stratification was performed at admission. Major adverse cardiac events (MACEs) were recorded during follow-up.ResultsA total of 766 patients, including 537 with unstable angina (UAP), 100 with myocardial infarction (MI), and 129 without CAD were included. The circulating Neu5Ac level was significantly higher in patients with MI (median [1QR]: 297[220, 374] ng/ml) than in those with UAP (227 [114, 312] ng/ml) or without CAD (207 [114, 276] ng/ml; both p<0.001). Serum level of Neu5Ac was positively correlated with age, hypertension, serum uric acid, creatinine, MB isoform of creatine kinase (CK-MB), and Gensini score (all p<0.05). Receiver operating characteristic curve analysis showed that a higher serum Neu5Ac was potentially associated with MI and high-risk GRACE stratification in ACS patients. Logistic analysis identified only elevated serum Neu5Ac as an independent predictor of MACEs in these patients (odds ratio [OR]: 1.003, 95% confidence interval [CI]: 1.002-1.005, p<0.001).ConclusionsSerum Neu5Ac is associated with myocardial injury, GRACE risk category, and prognosis in ACS patients.
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