CHA2DS2-VASc and R2CHA2DS2-VASc scores have predictive value in patients with acute coronary syndromes.

Pol Arch Med Wewn 2015 15;125(7-8):545-52. Epub 2015 Jul 15.

Introduction: The CHA2DS2-VASc and R2CHA2DS2-VASc scoring systems were designed to stratify thromboembolic risk in patients with atrial fibrillation. The R2CHA2DS2-VASc score, compared with the CHA2DS2-VASc, was modified by adding reduced creatinine clearance.

Objectives: The aim of the study was to assess the long-term predictive value of these scores in patients with acute coronary syndrome (ACS) and to compare their utility with TIMI and GRACE scores in this patient group.

Patients And Methods: We performed a pooled analysis of 5 independent populations with ACS with a long-term follow-up available. The primary endpoint was defined as all-cause mortality. The following risk scores were calculated: TIMI-STEMI or TIMI-NSTEMI, GRACE, CHA2DS2-VASc, and R2CHA2DS2-VASc

Results: A total of 2557 patients were included in the final analysis with a median follow-up of about 5 years. The CHA2DS2-VASc and R2CHA2DS2 -VASc scores were significant predictors of total mortality in the pooled analysis. After correction for heart rate and systolic blood pressure on admission as well as previous myocardial infarction, the scores were still significantly predictive of mortality (hazard ratio [HR], 1.47; 95% confidence interval [CI], 1.39–1.54; P <0.0001 for CHA2DS2-VASc; and HR, 1.41; 95%CI, 1.35–1.47; P <0.0001 for R2CHA2DS2-VASc). At all time points (1, 3, and 5 years), the TIMI-STEMIscore was a significantly better predictor than the CHA2DS2-VASc and R2CHA2DS2-VASc scores. The predictive value of the R2CHA2DS2-VASc score was comparable to that of the GRACE score at 3 and 5 years.

Conclusions: The CHA2DS2-VASc and R2CHA2DS2-VASc scores are significant predictors of all-cause mortality in a long-term follow-up in patients with ACS. These simple risk scores may be easily applied in clinical practice in this patient group.

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http://dx.doi.org/10.20452/pamw.2965DOI Listing
February 2017
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