CHA2DS2-VASC score predicts coronary artery disease progression and mortality after ventricular arrhythmia in patients with implantable cardioverter-defibrillator.

IJC Heart & Vasculature
Refik KavsurVedat Tiyerili

Abstract

The CHA2DS2-VASC score has expanded its use beyond the initial purpose of predicting the risk of stroke in patients with atrial fibrillation. We aimed to investigate the value of the CHA2DS2-VASC score as a risk assessment tool to predict relevant coronary artery disease (CAD) leading to percutaneous coronary intervention (PCI), and all-cause mortality after detected ventricular arrhythmia (VA) in patients with an Implantable Cardioverter-Defibrillator (ICD). A total of 183 ICD-patients who underwent coronary angiography after VA were included and classified according to their CHA2DS2-VASC score in a low(1-3), intermediate(4-5) and high(6-8) score group. We evaluated the predictive value of CHA2DS2-VASC score for the presence of relevant CAD leading to percutaneous coronary intervention (PCI), as well as late all-cause mortality. A total of 60 patients (32.8%) had significant CAD and underwent successful PCI. After adjustment for relevant parameters such as ischemic cardiomyopathy, angina pectoris, left ventricular ejection fraction, CHA2DS2-VASC score remained the only independent predictor of CAD leading to PCI [HR 1.73 (1.07-2.80)]. The Area under curve was 0.64 (0.56-72, p = 0.002). Kaplan-Meier analysis and log-rank showed...Continue Reading

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