4D血流磁共振成像：技术与应用
4D-Flow MRI: Technique and Applications.
作者信息
Sträter Alexandra, Huber Armin, Rudolph Jan, Berndt Maria, Rasper Michael, Rummeny Ernst J, Nadjiri Jonathan
机构信息
Department of Diagnostic and Interventional Radiology, University Hospital Technical University of Munich.
Department of Radiology, Hospital Fürstenfeldbruck.
出版信息
Rofo. 2018 Nov;190(11):1025-1035. doi: 10.1055/a-0647-2021. Epub 2018 Aug 13.
BACKGROUND
Blood flow through the cavities of the heart and great vessels is pulsatile and is subject to time and multidirectional variations. To date, the recording of blood flow in multiple directions and phases has been limited. 4D-flow MRI offers advantages for the recording, visualization and analysis of blood flow.
METHOD
The status quo of the method was summarized through analysis with the PubMed database using the keywords "4D-flow MRI, phase-contrast magnetic resonance imaging, MR flow imaging/visualization, MR flow quantification, 3 D cine (time-resolved) phase-contrast CMR, three-directional velocity-encoding MRI".
RESULTS/CONCLUSION: This review summarizes the current status of the technical development of 4D-flow MRI, discusses its advantages and disadvantages and describes clinical applications. Finally, the most important principles and parameters are explained to give the reader relevant information about clinical indications, postprocessing methods and limitations of the method.
KEY POINTS
· 4D-Fluss-MRT. · 3-dimensionale zeitaufgelöste Phasenkontrast-MRT. · Flussanalyse-MRT (Wall-Shear-Stress/Druckgradienten-Messung/Vortex-Fluss/turbulente kinetische Energie/Flussgeschwindigkeit/Flussrate).
CITATION FORMAT
· Sträter A, Huber A, Rudolph J et al. 4D-Flow MRI: Technique and Applications. Fortschr Röntgenstr 2018; 190: 1025 - 1035.
背景
流经心脏腔室和大血管的血流是搏动性的，且存在时间和多方向变化。迄今为止，多方向和多相位血流的记录一直受到限制。四维血流磁共振成像（4D-flow MRI）在血流记录、可视化和分析方面具有优势。
方法
通过使用关键词“4D-flow MRI、相位对比磁共振成像、磁共振血流成像/可视化、磁共振血流定量、三维电影（时间分辨）相位对比心脏磁共振成像、三向速度编码磁共振成像”对PubMed数据库进行分析，总结该方法的现状。
结果/结论：本综述总结了4D-flow MRI技术发展的现状，讨论了其优缺点，并描述了临床应用。最后，解释了最重要的原理和参数，以便为读者提供有关临床适应症、后处理方法和该方法局限性的相关信息。
关键点
· 四维血流磁共振成像。· 三维时间分辨相位对比磁共振成像。· 血流分析磁共振成像（壁面切应力/压力梯度测量/涡旋血流/湍流动能/血流速度/血流量）。
引用格式
· Sträter A, Huber A, Rudolph J等。4D-Flow MRI：技术与应用。Fortschr Röntgenstr 2018; 190: 1025 - 1035。
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