Fourteen days after the operation, the thickness of neointima and media and neointima/media ratios(I/M) were calculated from the sections stained with HE and Masson by computer image analysis.

• 结果术后14天； A组与B组相比；移植静脉内膜厚度、中膜厚度、I/M比值无显著差异；而C组移植静脉内膜厚度、中膜厚度、I/M比值明显低于A组；分别减少约77.；05%25、26