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Abstract Objective To explore the risk and risk factors of adverse cardiac events in elderly patients with type 2 diabetes and coronary heart disease.Methods A total of 182 elderly patients with type 2 diabetes complicated with coronary heart disease admitted to Shangrao People's Hospital from January 2019 to December 2022 were selected by simple random sampling as the study objects.They were divided into occurrence group(28 cases)and un-occurred group(154 cases)according to the occurrence of adverse cardiac events.After symptomatic treatment,the patients were followed up for 90 days after discharge to record the risk of adverse cardiac events,and the general clinical data,laboratory indicators,and ultrasonic electrocardiogram (ECG)indicators of the patients were collected and compared in the two groups.The multiple logistic regression analysis was used to identify risk factors for adverse cardiac events.Results After 90 days of follow-up,28 of 182 patients with type 2 diabetes combined with coronary heart disease had adverse cardiac events,and the incidence rate was 15.38%,there were significant differences (P ＜0.05) in the incidence of left main coronary artery disease,glycated hemoglobin(HbA1c),language acquisition device(LAD),left ventricular ejection fraction(LVEF),and New York Heart Association (NYHA)cardiac function grading among different groups of adverse cardiac events.The results of multiple logistic factor analysis showed that the left main trunk lesion（β=2.321,OR=10.186,95%CI:2.464-42.100),HbA1c（β=2.482,OR=11.968,95%CI:2.436-58.763),LAD（β=3.183,OR=24.119,95%CI:6.989-83.239),cardiac function classification（β=1.287,OR=3.622,95%CI:1.775-7.392),type C lesions（β=3.254,OR=25.894,95%CI:7.285-92.303)were the risk factors for adverse cardiac events in patients with type 2 diabetes and coronary heart disease.Conclusion Left main artery disease,HbA1c,LAD,LVEF,cardiac function classification,and type C disease are the risk factors for adverse cardiac events in patients with type 2 diabetes combined with coronary heart disease.
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