To evaluate the effect of trapidil on intimal proliferation and the expression of Apolipoprotein J(Apo J) after balloon injury .

• 观察曲匹地尔对球囊损伤后血管内膜增生和载脂蛋白J(Apolipoprotein J ,Apo J)表达的影响,探讨其抑制内膜增生的可能机制。