QISS非增强磁共振血管成像在血管炎上肢动脉应用的初步研究  

Preliminary study on the application of quiescent interval single shot non-enhanced magnetic resonance angiography in vasculitis of upper limb arteries

作　　者：张华月 王婧轶 吴刚[1] 李小明 ZHANG Hua-yue;WANG Jing-yi;WU Gang(Department of Radiology,Tongfi Hospital,Tongfi Medical College,Huazhong University of Science 0nd Technology Wuh0n430030 China)

机构地区：[1]华中科技大学同济医学院附属同济医院放射科,武汉430030

出　　处：《放射学实践》2021年第7期911-914,共4页Radiologic Practice

基　　金：国家自然科学基金重点项目“椎间盘细胞及分子生物力学应答机制的影像学研究”(31630025)。

摘　　要：目的:探究基于静态间隔单次激发(QISS)非增强磁共振血管成像(MRA)在血管炎上肢动脉的应用。方法:选取志愿者21例及风湿免疫内科患者52例,进行上肢QISS-MRA检查,扫描范围从指尖至肘关节上方。对QISS重建MIP图进行图像质量评分,将上肢动脉分为12个节段分别进行评价。评分标准从0~3分依次为差、良、中、优。评估不同动脉节段的观察者间一致性。结果:所有受试者均顺利完成MRA检查。QISS-MRA在上肢动脉的图像质量平均分均在2分以上,成像效果良好。除腕部动脉一致性较强外(Kappa=0.771),其余动脉节段观察者间一致性强(Kappa>0.8)。肱动脉变异率为5.5%,正中动脉出现率为2.7%。结论:QISS非增强磁共振血管成像可作为血管炎患者上肢动脉病变的筛查方式并可发现动脉变异情况。Objective:The purpose of this study was to explore the application of quiescent interval single shot(QISS)non-contrast-enhanced magnetic resonance angiography(NCE-MRA)in vasculitis of the upper limb arteries.Methods:21 volunteers and 52 patients of the Department of Rheumatology of our hospital were selected for the upper limb QISS-MRA examination with the scanning range from fingertip to the upper edge of the elbow joint.The image quality of QISS reconstructed MIP images was scored.The upper limb arteries were divided into 12 segments for evaluation.The scoring standard from 0 to 3 points was poor,good,medium and excellent.Inter-observer consistency was assessed for different arterial segments.Results:All subjects successfully completed MRA examination.The average scores of QISS-MRA in upper limb arteries were above 2,and the image quality was good.Except for the wrist arteries(Kappa=0.771),the consistency of other segments was strong among observers(Kappa>0.8).The brachial artery variation rate was 5.5%and the incidence of the median artery was 2.7%.Conclusion:QISS NCE-MRA can be used for the preliminary examination in patients with vasculitis of the upper limb and also detection of arterial variations.

关 键 词：静态间隔单次激发 磁共振血管成像 血管炎 上肢动脉 动脉变异 

分 类 号：R445.2[医药卫生—影像医学与核医学] R543[医药卫生—诊断学]