Role of Stromal Cell-Derived Factor-1 in Patients With Non-ST Elevation Acute Coronary Syndrome
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The predictive value of stromal cell-derived factor-1 (SDF-1) has not been established in patients with non-ST elevation acute coronary syndrome (non-STEACS). A total of 678 consecutive patients with non-STEACS and moderate to high TIMI (Thrombolysis In Myocardial Infarction) risk scores were recruited. All patients underwent an early invasive strategy and then were followed-up for 18 months for clinical events. Left ventricular remodeling was assessed by echocardiography. Plasma concentrations of SDF-1 and N-terminal pro-B-type natriuretic peptide (NT-proBNP) were analyzed. SDF-1 level was an independent predictor of left ventricular remodeling (OR = 2.95, 95% CI = 2.02-4.30, P < 0.001). Cox regression analysis demonstrated that both SDF-1 and NT-proBNP levels were significant independent predictors of death, myocardial infarction, or heart failure (HR = 2.45, 95% CI = 1.71-3.50, P < 0.001; HR = 3.71, 95% CI = 2.41-5.70, P < 0.001, respectively). The area under the ROC curves for SDF-1 (0.776) and NT-proBNP (0.817) were similar. The logistic model with both markers yielded a larger area under the ROC curve (0.862) than that of SDF-1 (P < 0.001) or NT-proBNP (P = 0.0001) alone. In patients stratified by NT-proBNP (above 615.4 pmol/L), SDF-1 (above 2175.1 pg/mL) was associated with poorer outcome (P < 0.001). Findings were similar for death and heart failure as individual endpoints. In non-STEACS, higher SDF-1 levels were a significant predictor of death, myocardial infarction, or heart failure independently of baseline clinical characteristics and NT-proBNP, and the combination of SDF-1 and NTproBNP significantly improved risk stratification. These data highlight the prognostic value of multiple, complementary biomarkers in non-ST elevation acute coronary syndrome.
- 一般社団法人 インターナショナル・ハート・ジャーナル刊行会の論文
一般社団法人 インターナショナル・ハート・ジャーナル刊行会 | 論文
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