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Multicenter Study
. 2006年7月; 130(1):172-5。
doi: 10.1378/chest.130.1.172.

发病率of chronic thromboembolic pulmonary hypertension after a first episode of pulmonary embolism

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Multicenter Study

发病率of chronic thromboembolic pulmonary hypertension after a first episode of pulmonary embolism

Cecilia Becattiniet al. Chest. 2006年7月.

抽象的

Study objective:在客观确认的肺栓塞(PE)的第一集之后,评估慢性血栓栓塞肺动脉高压(CTPH)的发生率。

Design:Prospective cohort study in 12 Italian medical centers.

患者:随访了至少3年,连续用口服抗凝剂治疗的PE第一集或与临时危险因素相关的连续患者进行了特发性或与临时危险因素相关。如果患者患有静脉血栓栓塞(VTE)的持续危险因素,则将其排除在研究之外。

干预措施:At the follow-up visits, patients were evaluated for persistent dyspnea, either at rest or on exertion. All patients who were referred with dyspnea were assessed by transthoracic echocardiography, with evaluation of the systolic and mean pulmonary artery pressures. Patients with evidence of pulmonary hypertension on echocardiography underwent perfusion lung scans and pulmonary angiography to confirm the diagnosis of CTPH.

Results:总体而言,这项研究包括259名患者。PE在135例患者中是特发性的,而在124例患者中,VTE至少与VTE的临时危险因素有关。在平均随访期为46个月后,发现37例患者患有持续性呼吸困难,在5例患者中无法解释。在这些患者中,两名特发性PE患者确认了CTPH的诊断(占整体研究人群的0.8%[95%置信区间(CI),0.0至1.9];特发性PE的患者中有1.5%[95%CI,CI,0.0至3.6])。急性PE之后分别进行了14和22个月的诊断。

结论:The incidence of CTPH observed in this study was about 1%. CTPH was observed in two patients with idiopathic PE.

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