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学科主题临床医学
Turbo Fast Three-Dimensional Carotid Artery Black-Blood MRI by Combining Three-Dimensional MERGE Sequence with Compressed Sensing
Li, Bo1; Dong, Li2; Chen, Bin3; Ji, Shuangxi1; Cai, Wenchao4; Wang, Ye3; Zhang, Jue1,3; Zhang, Zhaoqi2; Wang, Xiaoying3,4; Fang, Jing1,3
关键词compressed sensing 3D-MERGE vessel wall imaging random sampling pseudo-centric phase encoding order CS-3D MERGE
刊名MAGNETIC RESONANCE IN MEDICINE
2013-11-01
DOI10.1002/mrm.24579
70期:5页:1347-1352
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Radiology, Nuclear Medicine & Medical Imaging
研究领域[WOS]Radiology, Nuclear Medicine & Medical Imaging
关键词[WOS]ARTIFACTS ; RECONSTRUCTION ; PLAQUE ; MOTION
英文摘要

PurposeIn this study, we sought to investigate the feasibility of turbo fast three-dimensional (3D) black-blood imaging by combining a 3D motion-sensitizing driven equilibrium rapid gradient echo sequence with compressed sensing.

MethodsA pseudo-centric phase encoding order was developed for compressed sensing-3D motion-sensitizing driven equilibrium rapid gradient echo to suppress flow signal in undersampled 3D k-space. Nine healthy volunteers were recruited for this study. Signal-to-tissue ratio, contrast-to-tissue ratio (CTR) and CTR efficiency (CTReff) between fully sampled and undersampled images were calculated and compared in seven subjects. Moreover, isotropic high resolution images using different compressed sensing acceleration factors were evaluated in two other subjects.

ResultsWall-lumen signal-to-tissue ratio or CTR were comparable between the undersampled and the fully sampled images, while significant improvement of CTReff was achieved in the undersampled images. At an isotropic high spatial resolution of 0.7 x 0.7 x 0.7 mm(3), all undersampled images exhibited similar level of the flow suppression efficiency and the capability of delineating outer vessel wall boundary and lumen-wall interface, when compared with the fully sampled images.

ConclusionThe proposed turbo fast compressed sensing 3D black-blood imaging technique improves scan efficiency without sacrificing flow suppression efficiency and vessel wall image quality. It could be a valuable tool for rapid 3D vessel wall imaging. Magn Reson Med 70:1347-1352, 2013. (c) 2012 Wiley Periodicals, Inc.

语种英语
WOS记录号WOS:000326115000017
资助机构Fundamental Research Funds for the Central Universities
引用统计
被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/64882
专题北京大学第一临床医学院_放射治疗科
北京大学第一临床医学院_医学影像科
北京大学第二临床医学院_血液科
北京大学口腔医学院_牙周科
作者单位1.Peking Univ, Coll Engn, Beijing 100871, Peoples R China
2.Capital Med Univ, Beijing Anzhen Hosp, Dept Radiol, Beijing, Peoples R China
3.Peking Univ, Acad Adv Interdisciplinary Studies, Beijing 100871, Peoples R China
4.Peking Univ, Hosp 1, Dept Radiol, Beijing 100871, Peoples R China
推荐引用方式
GB/T 7714
Li, Bo,Dong, Li,Chen, Bin,et al. Turbo Fast Three-Dimensional Carotid Artery Black-Blood MRI by Combining Three-Dimensional MERGE Sequence with Compressed Sensing[J]. MAGNETIC RESONANCE IN MEDICINE,2013,70(5):1347-1352.
APA Li, Bo.,Dong, Li.,Chen, Bin.,Ji, Shuangxi.,Cai, Wenchao.,...&Fang, Jing.(2013).Turbo Fast Three-Dimensional Carotid Artery Black-Blood MRI by Combining Three-Dimensional MERGE Sequence with Compressed Sensing.MAGNETIC RESONANCE IN MEDICINE,70(5),1347-1352.
MLA Li, Bo,et al."Turbo Fast Three-Dimensional Carotid Artery Black-Blood MRI by Combining Three-Dimensional MERGE Sequence with Compressed Sensing".MAGNETIC RESONANCE IN MEDICINE 70.5(2013):1347-1352.
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