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BACKGROUND Recently, the albumin-to-creatinine ratio (ACR) has been suggested as a valuable biomarker for adverse events in acute myocardial infarction. However, the prognostic value of ACR in very elderly patients (≥80 years) with non-ST-elevation acute coronary syndrome (NSTE-ACS) after percutaneous coronary intervention (PCI) remains unclear. MATERIAL AND METHODS A total of 354 very elderly patients with NSTE-ACS who underwent PCI were included in this study and followed up for 1 year. Patients were divided into 3 groups according to ACR tertiles. Logistic regression analysis proportional hazard model was used to determine the prognostic value of ACR. RESULTS Sixty-two patients (17.5%) with 114 major adverse cardiovascular and cerebrovascular events (MACCEs) were recorded during 1-year follow-up. Patients with lower ACR tended to be older and had a lower serum albumin level and higher uric acid and creatinine levels (P<0.05). Moreover, patients with lower ACR levels had elevated all-cause mortality and MACCEs. Kaplan-Meier analysis suggested that patients with a lower ACR had a significantly lower survival rate free of all-cause mortality and MACCEs. Multivariable logistic regression analysis demonstrated that ACR was an independent predictor of all-cause mortality in these patients. ROC analysis showed that when ACR was ≤42.8, sensitivity and specificity were 75.2% and 80.2%, respectively, and the area under the ROC curve was 0.802 (95% CI: 0.745-0.859; P<0.001). CONCLUSIONS A lower ACR was associated with a higher incidence of all-cause mortality in very elderly patients with NSTE-ACS after PCI. The ACR is a promising indicator for risk stratification and prognostic assessment in these individuals.
Long et al. (Wed,) studied this question.
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