Evaluation characteristics of three-dimensional contrast enhanced magnetic
resonance angiography in vascular diseases of extremities

Abstract

Three dimensional contrast enhanced magnetic resonance antiography (3D CEMRA) is an imaging method with the signal produced by shortening the blood relaxation time with gadolinium contrast medium but not with natural blood flow; it is a convenient and practical method with no trauma or radiation. Imaging quality was satisfactory, in which the normal anatomy, lesion site and stenosis of arteries were showed clearly.　High quality images of 3D CEMRA mainly depended on the optimal acquisition delay time, proper injection rate, volume of contrast material, reasonable sequence and parameters and operators’ skills. 3D CEMRA has the similar effect with digital subtraction angiography; it is an effective, fast, comprehensive and reliable technique and is an ideal measurement for diagnosing vascular diseases of extremities.

摘要
三维增强磁共振造影是利用钆造影剂缩短血液弛豫时间的效应产生信号而不依赖自然血流的成像方法，是一种无创伤、无辐射、简便和实用的影像诊断方法。三维增强磁共振造影能够清楚显示靶血管的正常解剖结构和病变部位及其狭窄程度。高质量的三维增强磁共振造影图像依赖于注药后最佳的延时扫描时间、合适的注射速率、注射总量、扫描序列及其参数以及操作者的技巧和熟练程度。三维增强磁共振造影与数字减影血管造影有很好的一致性?熏 是一种有效的、快速的、全面的和准确的造影技术?熏 是四肢血管病变较为理想的检查方法。
主题词：磁共振血管造影术?鸦血管造影术，数字减影?鸦四肢；血管疾病

王凯宇，马隽，张富喜.三维增强磁共振造影评估四肢血管病变的价值[J].中国组织工程研究与临床康复，2006，11(1):186-187
[www.zglckf.com/zglckf/ejournal/upfiles/07-1/1k-186(ps).pdf]