There were no statistically significant differences in the sex, age, heart rate, body mass index, pain to balloon time, coronary heart disease risk factors, Killip classification at the point of admission, peak pro-brain natriuretic peptide (pro-BNP) levels, TIMI flow pre-PPCI, TIMI flow after PPCI, and medication use between the study groups (all p > 0.05). The gene discussed is NPPB; the disease is coronary artery disorder.