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Published on: March 27, 2018
Survival after CABG--better than predicted by EuroSCORE and equal to the general population
Kristin V T Engebretsen1, Charlotte Friis, Leiv Sandvik
1University of Oslo, Oslo, Norway.
Objectives:
Examine short- and intermediate-term survival after coronary artery bypass grafting (CABG) and compare this to survival of the general population and to that predicted by EuroSCORE.
Design:
One thousand three hundred and fifty one consecutive patients undergoing CABG were prospectively included. Survival status was ascertained through the Norwegian National Registry.
Results:
Compared to the general population, no statistical significant difference in survival was seen in operated patients. Overall mortality rate was 0.8% after 30 days, 2.8%, 4.0% and 7.1% at one, two and three years, respectively. When patients were divided into four groups according to EuroSCORE, mortality increased significantly with increasing score, as expected. However, EuroSCORE overestimated mortality.
Conclusion:
Patients operated with CABG at our institution have similar survival as in the general Norwegian population. Although overestimating mortality by almost five-fold, we found a strong association between EuroSCORE and short-time survival, and an association between EuroSCORE and intermediate-term survival.
