PloS one · 2014
The impact of SYNTAX score of non-infarct-related artery on long- term outcome among patients with acute ST segment elevation myocardial infarction undergoing primary percutaneous coronary intervention.
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Su Min-I, Tsai Cheng-Ting, Yeh Hung-I, Chen Chun-Yen
Аннотация
OBJECTIVE: We investigated the impact of the severity of stenosis in a non-infarct-related artery (IRA) on the long-term prognosis of patients with ST-segment elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PCI).
METHODS: Three hundred one consecutive patients (age: 59.7 ± 13.2 years, 85.5% men) underwent primary PCI during 2009-2012. Receiver operating characteristic curve analysis found the optimal cutoff for non-IRA SYNTAX score (SS) to be 2.5. We divided the patients into two groups according to this cutoff value.
RESULTS: By multivariable analysis, non-IRA SS (≥ 2.5) was an independent predictor of major adverse cardiac events (hazard ratio [HR]: 2.15, 95% confidence interval [CI]: 1.21-3.79, P = 0.008) and all-cause mortality (HR: 3.49, 95% CI: 1.13-10.8, P = 0.03). However, the prediction of cardiovascular mortality had only borderline significance (HR: 3.29, 95% CI: 0.90-12.08, P = 0.07).
CONCLUSION: STEMI patients treated with primary PCI and moderate to severe non-IRA stenosis (SS ≥ 2.5) have more subsequent cardiac events. Those populations should be treated with more aggressive preventive and medical management.
METHODS: Three hundred one consecutive patients (age: 59.7 ± 13.2 years, 85.5% men) underwent primary PCI during 2009-2012. Receiver operating characteristic curve analysis found the optimal cutoff for non-IRA SYNTAX score (SS) to be 2.5. We divided the patients into two groups according to this cutoff value.
RESULTS: By multivariable analysis, non-IRA SS (≥ 2.5) was an independent predictor of major adverse cardiac events (hazard ratio [HR]: 2.15, 95% confidence interval [CI]: 1.21-3.79, P = 0.008) and all-cause mortality (HR: 3.49, 95% CI: 1.13-10.8, P = 0.03). However, the prediction of cardiovascular mortality had only borderline significance (HR: 3.29, 95% CI: 0.90-12.08, P = 0.07).
CONCLUSION: STEMI patients treated with primary PCI and moderate to severe non-IRA stenosis (SS ≥ 2.5) have more subsequent cardiac events. Those populations should be treated with more aggressive preventive and medical management.