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NONINVASIVE 4-D TIME-RESOLVED DYNAMIC MAGNETIC RESONANCE ANGIOGRAPHY
专利权人:
发明人:
Danny JJ Wang,Lirong Yan,Hee Kwon Song
申请号:
US14721546
公开号:
US20150327783A1
申请日:
2015.05.26
申请国别(地区):
US
年份:
2015
代理人:
摘要:
A method for non-contrast enhanced 4D time resolved dynamic magnetic resonance angiography using arterial spin labeling of blood water as an endogenous tracer and a multiphase balanced steady state free precession readout is presented. Imaging can be accelerated with dynamic golden angle radial acquisitions and k-space weighted imaging contrast (KWIC) image reconstruction and it can be used with parallel imaging techniques. Quantitative tracer kinetic models can be formed allowing cerebral blood volume, cerebral blood flow and mean transit time to be estimated. Vascular compliance can also be assessed using 4D dMRA by synchronizing dMRA acquisitions with the systolic and diastolic phases of the cardiac cycle.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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