Objective: To explore the effect of direct coronary artery intervention via radial artery on acute myocardial infarction.Methods: A total of 28 acute myocardial infarction cases with percutaneous coronary artery intervention were selected,including 16 cases via radial artery(radial artery group) and 12 cases via femoral artery(femoral artery group).Results: Average operation time was(62.75±12.8)min in radial artery group,and(61.35±11.3)min in femoral artery group,without significant difference in two groups...