The score such as TIMI and GRACE for prognostic of events are based on age, heart rate, blood pressure, etc, but not including characteristics of coronary lesions. Additionally, leman, Gensini, were not the clinical factors. While numerous previous studies have demonstrated the value of coronary artery lesion in prognostic (Syntax score), the lack of clinical factors in scores remains limited. Therefore, a combination of both clinical factors and coronary artery is necessary (clinical Syntax score) .In Vietnam, there is no research on prognostic of Syntax and clinical Syntax score in patients with acute myocardial infarction undergoing percutaneous coronary intervention. Therefore, this study was conducted to contribute to the explanation of these above mentioned problems . | Summary of PhD thesis in Medicine Research on coronary artery lesion and prognostic by syntax score clinical syntax score in patients with acute myocardial infarction undergoing percutaneous coronary intervention