OR55. Risk Factor For Mortality Of Patients Waiting For Elective Coronary Artery Bypass Graft Surgery

Abstract

Abstract Background and Aims Insufficient capacity for cardiac surgery results in extensive waiting time of patients requiring coronary artery bypass grafting (CABG). Previous studies have reported a consequence of an increased risk of mortality while waiting for CABG. Identification of mortality rates and risk factors for mortality is important in patients waiting for CABG. Methods and results This retrospective cohort study was done on patients awaiting for elective CABG in dr. Kariadi General Hospital from January 2018 to December 2020. Identification of risk factors that associated with mortality was done on patients who were waiting CABG using logistic regression methods. There were 162 patients fulfilling the criteria, with a mean waiting time for an operation of 9.8 months. While waiting for CABG surgery, 32 (19.7%) patients died of any cause. Independent risk factors for death while waiting for CABG included : left ventricular ejection fraction < 45% (OR 4.75; 95% CI 1.76-12.78; p = 0.002), left main disease (OR 4.12; 95% CI 1.50-11.27; p = 0.006), serum creatinin > 1.5 mg/dl (OR 3.71; 95% CI 1.41-9.74; p = 0.008), and number of coronary artery disease risk factor > 3 (OR 3.34; 95% CI 1.24-8.99; p = 0.017). Conclusions Long waiting lists for CABG is associated with high mortality rate which is influenced by left ventricular ejection fraction < 45%, left main disease, serum creatinin > 1.5 mg/dl, and number of coronary artery disease risk factor > 3.