4D Flow MRI

4D Flow MRI
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DOI:
10.1007/978-3-319-65924-4_9
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发表时间:
2018-02
期刊:
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影响因子:
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通讯作者:
Sebastian Schmitter;Susanne Schnell
Sebastian Schmitter;Susanne Schnell
中科院分区:
其他
文献类型:
--
作者:
Sebastian Schmitter;Susanne Schnell

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4D 流是一种独特的技术,用于测量空间和时间解析的体内血流速度矢量。它可以导出重要的血液动力学参数,例如峰值速度、净流量、壁剪切应力等,这些参数是多种疾病的重要参数。本章将涵盖MR速度编码的基本技术、当前的采集策略和实践方面、采集数据的后处理、当前的局限性以及当前和未来研究方向的概述。
4D flow is a unique technique to measure the in vivo blood velocity vector spatially and temporally resolved. It allows deriving important hemodynamic parameters such as peak velocity, net flow, wall shear stress, and others, which are important parameters for a large range of diseases. This chapter will cover the basic techniques of MR velocity encoding, current acquisition strategies and practical aspects, post-processing of the acquired data, current limitations, and an overview of current and future research directions.