肺动脉血栓栓塞症(肺栓塞)是国内外重要的医疗保健问题,近几年已引起国内广泛的关注。西方国家流行病学调查显示,其发病率在心血管疾病中占第三位,仅次于冠心病和高血压。美国每年约有深静脉血栓形成——肺栓塞新发患者60万余例,法国肺栓塞患者约10万例,英国6.5万例,意大利6万例,美国肺栓塞年发病率每10万人 Pulmonary thromboembolism (pulmonary embolism) is an important medical and health care problem at home and abroad, which has aroused widespread concern in recent years. Western epidemiological survey showed that the incidence of cardiovascular disease in the third place, second only to coronary heart disease and hypertension. Approximately 600,000 new cases of pulmonary embolism occur in the United States each year, about 100,000 cases of pulmonary embolism in France, 65,000 cases in the United Kingdom, 60,000 cases in Italy, and the annual incidence of pulmonary embolism in the United States per 100,000 people