摘要:目的:囊性纤维化(cystic fibrosis,CF)患者病程中常伴发渐进性肺动脉高压.本研究旨在探讨MRI流体测量技术(MR速度编码技术)对检出囊性纤维化患者肺动脉高压的价值。方法:48例(年龄10~40岁,平均16岁;男23例,女25例)不同程度(第一秒最大呼气量FEVI与预计值比值为74%±23%)囊性纤维化患者均采用相位对比快速小角度激发(FLSAH)序列(TR9.6ms,TE2.5ms,带宽1.395KHz)行MRI检查,对患者主肺动脉(MPA)进行流体定量分析。
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