Bo-Da ZHOU, Ling-Yun ZU, Lin MI, Gui-Song WANG, Li-Jun GUO, Wei GAO. An analysis of patients receiving emergency CAG without PCI and the value of GRACE score in predicting PCI possibilities in NSTE-ACS patients[J]. Journal of Geriatric Cardiology, 2015, 12(3): 246-250. DOI: 10.11909/j.issn.1671-5411.2015.03.008
Citation: Bo-Da ZHOU, Ling-Yun ZU, Lin MI, Gui-Song WANG, Li-Jun GUO, Wei GAO. An analysis of patients receiving emergency CAG without PCI and the value of GRACE score in predicting PCI possibilities in NSTE-ACS patients[J]. Journal of Geriatric Cardiology, 2015, 12(3): 246-250. DOI: 10.11909/j.issn.1671-5411.2015.03.008

An analysis of patients receiving emergency CAG without PCI and the value of GRACE score in predicting PCI possibilities in NSTE-ACS patients

  • Background There are patients who underwent emergency coronary angiography (CAG) but did not receive percutaneous coronary intervention (PCI). The aim of this study was to analyze these reasons. Methods This is a single-center retrospective study. We recruited 201 consecutive patients who received emergency CAG but did not receive PCI. To investigate the value of the Global Registry of Acute Coronary Events (GRACE) score in predicting PCI possibilities in non-ST segment elevation acute coronary syndrome (NSTE-ACS) patients, we recruited 80 consecutive patients who presented with NSTE-ACS and received emergency CAG as well as emergency PCI. Results Among the 201 patients who received emergency CAG but did not receive PCI, 26% patients had final diagnosis other than coronary heart disease. In the patients with significant coronary artery stenosis, 23 patients (11.5%) were recommended to coronary artery bypass grafting (CABG), one patient (0.5%) refused PCI; 13 patients (6.5%) with significant thrombus burden were treated with glycoprotein IIb/IIIa receptor antagonist; 74 patients (36.8%) were treated with drug therapy because no severe stenosis (> 70%) was present in the crime vessel. Moreover, 80 of the 201 patients were presented with NSTE-ACS (excluding those patients with final diagnosis other than coronary heart disease, excluding those patients planned for CABG treatment), referred as non PCI NSTE-ACS. When comparing their GRACE scores with 80 consecutive patients presented with NSTE-ACS who received emergency CAG as well as emergency PCI (referred as PCI NSTE-ACS), we found that PCI NSTE-ACS patients had significantly higher GRACE scores compared with non PCI NSTE-ACS patients. We then used Receiver Operator Characteristic Curve (ROC) to test whether the GRACE score is good at evaluating the possibilities of PCI in NSTE-ACS patients. The area under the curve was 0.854 ± 0.030 (P Conclusions Our findings indicate that the GRACE score has predictive value in determining whether NSTE-ACS patients would receive PCI.
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