急性深静脉血栓形成常见于慢性病或大手术后的患者,偶也见于健康者;它可以导致肺栓塞。Evans复习肺栓塞的死亡病例,发现80％的病人是突然死亡;其中48％如不发生肺栓塞,将具有正常人的寿命,13％其原有疾病的预后良好,仅25％系处于病危临终期,14％患有不能根治的恶性病变。 Acute deep venous thrombosis is common in patients with chronic diseases or major surgery, even in healthy people; it can lead to pulmonary embolism. Evans reviewed the deaths from pulmonary embolism and found that 80% of the patients died suddenly; 48% of them did not have pulmonary embolism and would have a normal life expectancy, 13% had a good prognosis for their disease and only 25% were at risk of dying Period, 14% of patients with incurable malignant lesions.