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机构地区:[1]中国医学科学院中国协和医科大学北京协和医院放射科
出 处:《当代医学》2000年第9期57-61,共5页Contemporary Medicine
摘 要:肺动脉高压(PH)包括原发性肺动脉高压(PPH)和继发性肺动脉高压。其诊断金标准为有创性的右心导管检查法。CT和MRI作为现代无创性检查方法的最重要手段,均能测量主肺动脉横径。CT能良好显示肺动脉高压病人的肺内病变情况和支气管血管束的异常。超高速CT成像速度快,能更清晰地显示肺动脉。MRI可多角度多序列成像,可很好地显示心脏和大血管的结构和功能,有助于肺动脉高压的病因诊断,更能评估其血流动力学状态。本文就肺动脉高压病的CT和MR成像作一综述。Pulmonary hyperten- sion(PH) comprises primary pulmonary hypertension and secondary pulmonary hyper- tension. The gold standard for PH is invasive right heart catheterization. CT and MRI, the most important non -invasive methods of modern imaging techniques, can both evaluate the diameter of the main pulmonary artery. Furthermore, the underlying pulmonary disease and the bronchovascular abnormalities can be well shown on CT images. Ultrafast CT imaging is quicker and can show pulmonary artery more clearly. MRI can show the structure and function of heart and large vessels, which is useful for the etiological diagnosis of pulmonary hypertension. MRI can also evaluate the hemody-namic state of pulmonary hypertension. In this article we review the new developments of the CT and MR imaging of pul- monary hypertension.
分 类 号:R543[医药卫生—心血管疾病]
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