手术及创伤后血液可呈高凝状态,容易发生深静脉血栓形成(DVT)及肺栓塞(PE),在国外发病率高达24～38%。受到广泛重视;在我国此项并发症甚少,其原因值得探讨。为此我们对不加选择的34例大中型手术的术后凝血及纤i容二系统变化进行了观察。实验方法 3遵例中男性20例,女性14例,平均年龄41. Surgery and traumatic blood hypercoagulable state, prone to deep venous thrombosis (DVT) and pulmonary embolism (PE), the incidence in foreign countries as high as 24 to 38%. Received widespread attention; the very few complications in our country, the reason worth exploring. To this end, we have no choice of 34 cases of large and medium-sized surgical coagulation and fibronectin system changes were observed. In the experimental method 3, there were 20 males and 14 females, with an average age of 41.