Predictive Value of CHA2DS2-VASc Score for Ischemic Events in Patients Undergoing Percutaneous Coronary Intervention

We evaluated the association of preprocedure CHA(2)DS(2)-VASc (congestive heart failure, hypertension, age, diabetes mellitus, stroke, vascular disease, and sex) score with ischemic events in patients undergoing percutaneous coronary intervention (PCI). The Dryad Digital Repository enrolled 2533 patients between July 2009 and August 2011. We recorded 1-year ischemic events. Univariate and multivariable logistic regression analyses were used to analyze the association between CHA(2)DS(2)-VASc score and ischemic events. Receiver operating characteristic curves were used to evaluate the accuracy of CHA(2)DS(2)-VASc score in predicting long-term ischemic events. Long-term death (9.5 vs 2.8%), cardiac death (2.9 vs 1.4%), and nonfatal stroke (1.9 vs 0.7%) were significantly higher in the CHA(2)DS(2)-VASc score >= 2 group than the CHA(2)DS(2)-VASc score <= 1 group. The CHA(2)DS(2)-VASc score was a predictor for all-cause death (odds ratio [95% confidence interval]: 3.71 [1.89-7.30]). The risk factors for all-cause death in CHA(2)DS(2)-VASc score >= 2 patients included age, diagnosis, heart failure, older myocardial infarction, diabetes, and chronic obstructive pulmonary disease, while the risk factor for CHA(2)DS(2)-VASc score <= 1 patients was age. In conclusion, the CHA(2)DS(2)-VASc score is associated with long-term all-cause death, cardiac death, and stroke in patients undergoing PCI, and it may have a potential use for risk stratification for patients who undergo PCI.