弥漫性血管内凝血(DIC)是我国孕产妇急危症之一,其死亡率居孕产妇死亡率之首。一般认为,早期合理使用肝素是治疗产科DIC的重要手段,但用药时机难以准确判断,如用药不当或过量会加重出血,甚至导致难以控制的大出血〔1〕,以致临床上对肝素使用慎之又慎,甚至弃之不用。2005年,南阳 Diffuse intravascular coagulation (DIC) is one of the maternal acute diseases in our country, and its mortality is the highest among the maternal mortality rates. Generally believed that the early rational use of heparin is an important means of treatment of obstetric DIC, but difficult to accurately determine the timing of medication, such as improper use of drugs or excessive bleeding, and even lead to uncontrolled bleeding 〔1〕, so that the clinical use of cautious heparin , Even abandoned it. In 2005, Nanyang