双源CT肺灌注成像在肺栓塞诊断中的应用进展

Application progress of dual source CT pulmonary perfusion imaging in the diagnosis of pulmonary embolism

肺血栓栓塞症(PTE)按病程时长分成急性肺血栓栓塞(APE)和慢性肺动脉栓塞性肺动脉高压(CTEPH)。APE发病迅速,对患者的健康预后影响很大,因此,早期对肺血栓栓塞患者精准诊断并对其进行预后评估至关重要。双源CT肺灌注成像(DECT)的优势是一次双能量成像既可得到肺血管的血流信息,又能检测相应的肺灌注异常与否。本文旨在探讨双源CT肺灌注在评估肺血栓栓塞症诊断中的应用价值。

Pulmonary thromboembolism(PTE)is divided into acute pulmonary thromboembolism(APE)and chronic pulmonary thromboembolic pulmonary hypertension(CTEPH)according to the course of disease.The onset of APE is rapid,it has a great influence on the health prognosis of patients;Therefore,early accurate diagnosis and prognosis evaluation of pulmonary thromboembolism is very important.The advantage of dual source CT pulmonary perfusion imaging(DECT)is that a dual energy imaging can not only obtain the blood flow information of pulmonary vessels,but also detect the corresponding pulmonary perfusion abnormalities.The purpose of this paper is to explore the application value of dual source CT pulmonary perfusion in the diagnosis of pulmonary thromboembolism.