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  • Title: Prognostic value of CHA2DS2-VASc score in predicting high SYNTAX score and in-hospital mortality for non-ST elevation myocardial infarction in patients without atrial fibrillation.
    Author: Akboğa MK, Yılmaz S, Yalçın R.
    Journal: Anatol J Cardiol; 2021 Nov; 25(11):789-795. PubMed ID: 34734812.
    Abstract:
    OBJECTIVE: To evaluate the prognostic value of preprocedural CHA2DS2-VASc [congestive heart failure, hypertension, age ≥75 years (doubled), diabetes mellitus, previous stroke or transient ischemic attack (TIA) (doubled), vascular disease, age 65-74 years, female gender] score in predicting high SYNTAX (Synergy between Percutaneous Coronary Intervention with Taxus and Cardiac Surgery) score and in-hospital mortality for non-atrial fibrillation (AF) patients presenting with non-ST elevation myocardial infarction (NSTEMI). The CHA2DS2-VASc score used to determine thromboembolic risks in AF was recently reported to predict major adverse clinical outcomes in patients with the acute coronary syndrome, irrespective of AF. METHODS: A total of 906 patients with a diagnosis of NSTEMI who underwent coronary angiography were retrospectively enrolled and divided into three groups according to their SYNTAX scores (low, intermediate, and high). The CHA2DS2-VASc score of each patient was calculated. RESULTS: SYNTAX score had a significant positive correlation with the CHA2DS2-VASc score (r=0.320; p<0.001) in the Spearman correlation analysis. The CHA2DS2-VASc score [Odds ratio, 1.445; 95% confidence interval (CI), 1.268-1.648, p<0.001], left ventricular ejection fraction, creatinine, C-reactive protein, and high-density and low-density lipoprotein cholesterol levels were demonstrated to be independent predictors of high SYNTAX score. The CHA2DS2-VASc score [Hazard ratio (HR), 1.867; 95% CI: 1.462-2.384; p<0.001], the SYNTAX score (HR, 1.049; p=0.003), and age (HR, 1.057; p=0.002) were independently associated with higher risk of in-hospital mortality in a multiple Cox-regression model. Kaplan-Meier survival curves stratified by the CHA2DS2-VASc score (<4 vs. ≥4) also showed that higher CHA2DS2-VASc scores were associated with higher in-hospital mortality. CONCLUSIONS: In non-AF patients with NSTEMI, CHA2DS2-VASc and SYNTAX scores are useful for prognosis assessment and can be used to identify patients at higher risk for in-hospital mortality.
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