Abstract
Several prognostic models have been proposed for the prediction of the outcome of patients with chronic stable angina or acute coronary syndromes undergoing revascularization. The introduction of the SYNTAX (Synergy between Percutaneous Coronary Intervention with TAXUS and Cardiac Surgery) score (SXscore), has shifted the attention toward stratifying the individual risk according to lesion complexity, and to the extent and distribution of coronary atheromatosis [1,2]. However, the absence of clinical factors has led to the creation of a pure clinical model (Age, Creatinine, and Ejection Fraction; ACEF) and of two combined risk models, the Global Risk Classification (GRS) and the Clinical SYNTAX score (CSS) [3,4] that have incorporated clinical variables into the SXscore.
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