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Published on: September 22, 2023
The CHA2DS2-VASC Score Predicts Mortality in Patients Undergoing Coronary Angiography
Nicholay Teodorovich1, Gera Gandelman1, Michael Jonas1
1Kaplan Medical Center, Rehovot and the Hebrew University, Jerusalem 7661041, Israel.
Insights
The CHA2DS2-VASc score predicts mortality in patients undergoing coronary angiography. A higher score (≥4) independently indicates increased mortality risk, suggesting its use in initial patient screening.
Area of Science:
- Cardiology
- Clinical Risk Stratification
Background:
- The CHA2DS2-VASc score is established for predicting thromboembolic risk in atrial fibrillation (AF).
- Its utility in predicting mortality in patients undergoing coronary angiography is not well-defined.
Purpose of the Study:
- To investigate the CHA2DS2-VASc score's ability to predict mortality in patients undergoing coronary angiography.
Main Methods:
- Prospective study of 990 patients undergoing coronary angiography.
- Patients stratified by CHA2DS2-VASc score (<4 vs. ≥4).
- Kaplan-Meier analysis and Cox regression modeling used to assess mortality risk.
Main Results:
- A CHA2DS2-VASc score ≥4 was associated with significantly higher all-cause mortality (38.7% vs. 13.1%, p < 0.0001).
- This association persisted across subgroups including those with and without AF, varying LVEF, and renal function.
- An elevated CHA2DS2-VASc score (≥4) was an independent predictor of mortality (HR 2.12, p = 0.001).
Conclusions:
- The CHA2DS2-VASc score is a simple and reliable predictor of mortality in patients undergoing coronary angiography.
- It can be utilized for initial screening to identify high-risk individuals.
Background:
The CHA2DS2-VASC score is used to predict the risk of thromboembolic complications in patients with atrial fibrillation (AF). We hypothesized that the CHA2DS2-VASC score can be used to predict mortality in patients undergoing coronary angiography.
Methods And Results:
This was a prospective study of 990 patients undergoing coronary angiography. The median follow-up was 2294 days. The patients were categorized into two groups according to their CHA2DS2-VASC score: group I had scores <4 and group II had scores ≥4 (527 (53.2%) and 463 (46.8%), respectively). A Kaplan-Meier analysis demonstrated a significant association between the CHA2DS2-VASC score and mortality (69/527 (13.1%) vs. 179/463 (38.7%) for group I vs. group II, respectively, p < 0.0001). The association remained significant in patients with and without AF, reduced and preserved LVEF, normal and reduced kidney function, and with and without ACS (p < 0.009 to p < 0.0001 for all). In the Cox regression model, which combined the CHA2DS2-VASC score, the presence of AF, LVEF, anemia, and renal insufficiency, an elevated CHA2DS2-VASC score of ≥4 was independently associated with higher mortality (HR 2.12, CI 1.29-3.25, p = 0.001).
Conclusions:
The CHA2DS2VASC score is a simple and reliable mortality predictor in patients undergoing coronary angiography and should be used for the initial screening for such patients.
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