The high incidence and mortality rates existed in chronic pulmonary thromboembolism(PTE), with considerable misdiagnosis and missed diagnosis rate. The prognosis for patients with chronic thromboembolic pulmonary hypertension was poor with medical therapy. But the pulmonary thromboendarterectomy was well established.The postoperative pulmonary hypertension and reperfusion pulmonary edema are main complications and death causes. The key management after pulmonary thromboendarterectomy is important which decreases pulmonary hypertension , and prevents reperfusion pulmonary edema and re thromboembolism.
