Methods Prothrombin fragments 1 and 2 ( F1+ 2), fibrinopeptide A ( FPA), soluble fibrin monomer complex ( SFMC) were examined by enzyme linked immunoassay ( ELISA);方法:采用酶联免疫吸附法(ELISA)检测凝血酶原片段 1 和 2(F1+2)、纤维蛋白肽 A(FPA)、可溶性纤维蛋白单体复合物(SFMC);