Methods ELISA was applied to measure blood and urine D dimer.Chromophore substrate method was used to detect PL,Plg,t PA and PAI 1.

• 方法采用ELISA法测定血、尿D-二聚体,用发色底物法测定组织型纤溶酶原激活剂(t-PA)及纤溶酶原激活剂抑制剂-1(PAI-1)活性。