Abstract #2678
Clinical Performance of a Spatiotemporally Accelerated Motion-corrected Pediatric 3D Free-breathing Time-resolved Contrast-enhanced MR Angiography
Tao Zhang 1,2 , Ufra Yousaf 1 , Albert Hsiao 3 , Joseph Y Cheng 1,2 , Marcus Alley 1 , Michael Lustig 2,4 , John M Pauly 2 , and Shreyas S Vasanawala 1
1
Radiology, Stanford University, Stanford,
CA, United States,
2
Electrical
Engineering, Stanford University, Stanford, CA, United
States,
3
Radiology,
UC San Diego, San Diego, CA, United States,
4
Electrical
Engineering and Computer Sciences, UC Berkeley,
Berkeley, CA, United States
Contrast-enhanced MR Angiography (CE-MRA) is ideal for
pediatric vascular imaging due to the lack of ionizing
radiation. However, pediatric CE-MRA is usually limited
by motion and compromised spatiotemporal resolution.
General anesthesia (GA) with periods of suspended
respiration is often necessary. Recently, a fast
free-breathing CE-MRA technique with high spatiotemporal
resolution has been developed. It can significantly
reduce the level of GA administrated without
compromising image quality. In this work, we investigate
the clinical performance of free-breathing pediatric
time-resolved CE-MRA.
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