In this study, there were significant age differences, the proportion of women, history of hypertension, systolic and diastolic blood pressure at admission, neutrophils, hemoglobin, total bilirubin, indirect bilirubin, albumin, urea, creatinine, uric acid, cystatin C, fasting blood glucose, NT-ProBNP, LVEF, Killip class II-IV, Gensini score, number of diseased vessels, thrombus aspiration, and IABP between the MACE group and the non-MACE group (P < 0.05). The gene discussed is CST3; the disease is hypertensive disorder.