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  • Title: Evaluation of the Predictive Value of CHA2DS2-VASc Score for In-Stent Restenosis.
    Author: Yilmaz S, Akboga MK, Aras D, Topaloglu S.
    Journal: Angiology; 2018 Jan; 69(1):38-42. PubMed ID: 28345395.
    Abstract:
    The CHA2DS2-VASc (congestive heart failure, hypertension, age ≥75 years, diabetes mellitus, previous stroke, vascular disease, age 65-74 years, female gender) score is used to estimate thromboembolic risk in atrial fibrillation (AF). Its usefulness in predicting in-stent restenosis (ISR) is unknown. We evaluated the predictive value of the CHA2DS2-VASc score in AF-free patients who have undergone stent implantation. A total of 1350 patients who underwent coronary angiography and successful bare-metal stent implantation were analyzed. The CHA2DS2-VASc score was calculated before percutaneous coronary intervention, and the association between the score and ISR was investigated. Patients (n = 700; mean age: 61.4 [8.7] years, 63% men) were divided in 2 subgroups according to the presence of ISR; 265 of 700 patients had ISR. Mean CHA2DS2-VASc score was significantly higher in the ISR (+) group than the ISR (-) group (3.7 [1.8] vs 2.1 [1.4], P < .001). According to multivariate logistic regression analysis, diabetes, hyperlipidemia, smoking, stent length, and CHA2DS2-VASc score were independent predictors of ISR. In conclusion, the CHA2DS2-VASc score may be useful as a new and simple tool to predict ISR.
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