SYNTAXS Score对于无保护左主干病变冠状动脉疾病的冠状动脉介入治疗之后的用途 The SXscore has been recently developed as a combination of several previously validated angio-Graphic classifications aiming to grade the coronary anatomy with respect to the number of lesions and their functional impact, location, and complexity. Higher SXscores, indicative of a more complex condition, are likely to represent a bigger therapeutic challenge and to have a potentially worse prognosis inpatients undergoing contemporary revascul