MR灌注成像联合MR血管造影诊断实验性急性肺栓塞

被引:9
作者
李坤成
李永忠
蒋涛
翟仁友
杜祥颖
赵希刚
董岩
卢德宏
张建华
机构
[1] 首都医科大学宣武医院放射科!北京
[2] 首都医科大学附属北京红十字朝阳医院放射科
[3] 首都医科大学宣武医院放射
关键词
磁共振肺灌注成像; 急性肺栓塞; 实验性的;
D O I
10.13929/j.1003-3289.2000.03.001
中图分类号
R445.2 [核磁共振成像]; R563.5 [肺栓塞];
学科分类号
摘要
目的 探讨磁共振肺灌注成像(MRPP)联合GdDTPA增强磁共振血管造影(MRA)诊断急性肺栓塞(APE)的可行性及其作用。方法 对10只犬肺栓塞模型,利用2D快速扰相梯度回波序列(2DFSPGR)和3D快速扰相梯度回波序列(3DFSPGR)行MRPP和增强MRA检查,以肺X线血管造影和肺血管解剖为对照,计算MRPP和MRA诊断急性肺栓塞的敏感度,探讨其诊断价值。结果 MRPP和MRA图像质量良好,MRPP显示较大面积灌注不良效果良好,敏感度为652%,MRA诊断外周肺动脉血栓的准确率较高,敏感度达826%。结论 MRPP联合MRA扫描是诊断急性肺栓塞的可行方法,有待于进一步行临床研究。
引用
收藏
页码:5 / 8
页数:4
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