急性肺栓塞 (ｐｕｌｍｏｎａｒｙｅｍｂｏｌｉｓｍ ,ＰＥ)在欧美等国家是一种常见病 ,发病率、病死率均很高。西方国家总人群ＰＥ年发生率约为 0 5‰ ,美国每年新发ＰＥ 6 5万～ 70万人 ,其死亡率仅次于冠心病及肿瘤居人口死因构成第三位[1 ] 。近年研究表明ＰＥ在我国并非少 Acute pulmonary embolism (pulmonary embolism, PE) in Europe and the United States and other countries is a common disease, morbidity, mortality are high. The annual incidence of PE in the general population in Western countries is about 0 5 ‰. The number of new PE 6500 ~ 700 000 per year in the United States is the third leading cause of death after coronary heart disease and cancer among residents in the United States [1]. Recent studies show that PE is not less in our country