| 杜立新,傅加平,梁碧玲,黄穗乔.主动脉夹层的MRI诊断和评价[J].中国医学影像技术,1999,15(3):194~196 |
| 主动脉夹层的MRI诊断和评价 |
| Aortic Dissection:MRI Diagnosis and Evaluation |
| 投稿时间：1998-09-25 |
| DOI： |
| 中文关键词: 主动脉疾病 夹层 磁共振成像 |
| 英文关键词:Aortic disease Dissection Magnetic resonance imaging |
| 基金项目: |
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| 中文摘要: |
| 目的评价MRI对主动脉夹层的定性诊断和分型的价值及对临床治疗的指导作用。方法分析32例主动脉夹层的MRI影像资料,并与彩色多普勒超声（CDE）对照。其中18例手术病理证实,14例造影证实。结果主动脉夹层MRI表现为典型的真假腔和内膜片,定性准确率为92.7%,CDE为60.9%,分型符合率MRI为93.8%,CDE为43.8%,MRI明显优于CDE（P<0.05）. |
| 英文摘要: |
| Purpose To evaluate the MRI value of definitive diagnosis and typing as well as its roles to clinical management with aortic dissection (AD). Methods The MRI findings were analyzed and compared with that of color doppler echocardiography (CDE) in 32 patients proved by surgical exploration in 18 cases and aortography in 14 cases. Results The MRI typical appearences were the true and false lumina and the intimal flap of AD. The accuracy of MRI and CDE was 92.7%, 60.9% respectively in characterizing AD. For determining AD type, the ratio MRI conformed by operation and aortography amount to 93.8% (CDE 43.8%), MRI was superior to CDE significantly ( P <0.05).Conclusion MRI is an accurate, comprehensive, non invasive medical imaging technique and can serve as an initial imaging modality for AD diagnosis. |
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