Which risk models are used to predict mortality from coronary artery bypass grafting (CABG)?

Updated: Dec 04, 2019
  • Author: Rohit Shahani, MD, MS, MCh; Chief Editor: Karlheinz Peter, MD, PhD  more...
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Answer

Risk models to predict 30-day mortality following isolated CABG is an active area of research. Risk models such as the Euroscore system, [4] and the Society of Thoracic Surgeons (STS) Cardiac Surgery Risk Model, [5]  are the most commonly used predictors in cardiac surgery. Shared variables in these two impressive models include age, previous MI, PVD, renal failure, hemodynamic state, and ejection fraction (EF). In the STS model, 78% of the variance is explained by eight of the most important variables, which include age, surgical acuity, reoperative status, creatinine level, dialysis, shock, chronic lung disease, and EF.


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