PREDICTIVE VALIDITY OF EUROSCORE RISK SCORING SYSTEM IN PATIENTS UNDERGOING CORONARY ARTERY BYPASS GRAFT SURGERY IN AZADI HEART CENTER -DUHOK, KURDISTAN REGION, IRAQ

Abstract

Background: EuroScore (ES) models have been used over the last twenty years for risk assessment before coronary artery bypass graft surgery (CABG) with variation in their ability to assess the overall complications after surgery, the intensive care unit (ICU) stay and heart performance after revascularization in different areas over the world. Objective: To assess the performance of the EuroSCORE in prediction of post-CABG complications at Azadi Heart Center (AHC). Patients and Methods: This correlation study was conducted at AHC, Duhok, Kurdistan Region (Iraq). The study participants were 50 patients (38 males and 12 females) who underwent CABG surgery; informed consent was obtained from all of them for participation in this study. EuroScore II (ES II) model has been assessed before and after CABG, and its correlations with short-term (up to one month) post-operative outcomes were studied. Results: Patients were grouped into low, moderate and high-risk groups each with frequency of 26, 21 and 3, respectively. There was significant correlation between the pre-operative ES II and the post-operative ejection fraction (EF%) in the high-risk group, while there were non-significant correlations with the short-term overall complications and the ICU stay postoperatively. Conclusions: ES II can be used in AHC to predict post-operative EF%, the higher the ES II, the lower post-operative EF%. However, ES II is not valuable to predict other short-term post-operative complications following CABG surgery. Duhok Med J 2020; 14 (1): 53-62