Key result
MAGGIC score outperforms EuroSCORE-II and STS in predicting 30-day mortality after CABG.
Why the study?
EuroSCORE II and STS are validated for short-term risk after CABG, but whether the MAGGIC score can predict short- and long-term mortality after CABG compared with these systems was unknown.
Does the MAGGIC score improve mortality prediction in patients undergoing CABG due to chronic coronary syndrome?
Observational
No
Does the MAGGIC score improve mortality prediction in patients undergoing CABG due to chronic coronary syndrome?
The MAGGIC score demonstrates excellent predictive accuracy for short- and long-term mortality after CABG, outperforming traditional surgical risk scores like EuroSCORE II and STS.
MAGGIC may improve post-CABG mortality prediction; leaves open prospective validation before clinical adoption.
INTRODUCTION: The European System for Cardiac Operative Risk Evaluation (EuroSCORE) II and the Society of Thoracic Surgeons (STS) are validated scoring systems for short-term risk estimation after coronary artery bypass grafting (CABG). The Meta-Analysis Global Group in Chronic Heart Failure (MAGGIC) risk score is originally aimed to estimate mortality in heart failure patients; however, it has showed a similar power to predict mortality after heart valve surgery. In this study, we sought to evaluate whether MAGGIC score may predict short and long-term mortality after CABG and to compare its power with EuroSCORE II and STS scoring systems. METHODS: Patients who underwent CABG due to chronic coronary syndrome at our institution were included in this retrospective study. Follow-up data were used to define the predictive ability of MAGGIC and to compare it with STS and EuroSCORE-II for early, one-year, and up to 10-year mortality. RESULTS: MAGGIC, STS, and EuroSCORE-II scores had good prognostic power, moreover MAGGIC was better for predicting 30-day (area under the curve [AUC]: 0.903; 95% confidence interval [CI]: 0.871-0.935), one-year (AUC: 0.931; 95% CI: 0.907-0.955), and 10-year (AUC: 0.923; 95% CI: 0.893-0.954) mortality. MAGGIC was found to be an independent predictor to sustain statistically significant association with mortality in follow-up. CONCLUSION: MAGGIC scoring system had a good predictive accuracy for early and long-term mortality in patients undergoing CABG when compared to EuroSCORE-II and STS scores. It requires limited variables for calculation and still yields better prognostic power in determining 30-day, one-year, and up to 10-year mortality.
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Özcan et al. (2023) conducted an observational in Chronic coronary syndrome undergoing CABG. MAGGIC score vs. EuroSCORE II and STS scores was evaluated on 30-day mortality (AUC 0.903, 95% CI 0.871-0.935). The MAGGIC score demonstrated better prognostic power than EuroSCORE-II and STS for predicting 30-day mortality after CABG (AUC 0.903; 95% CI 0.871-0.935).
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