Volumetric Non-Contrast Pulmonary Perfusion using pseudo-Continuous Arterial Spin Labeling
Joshua S. Greer 1,2 , Xinzeng Wang 2 , Ivan Pedrosa 2,3 , and Ananth J. Madhuranthakam 2,3
Bioengineering, UT Dallas, Dallas, TX,
UT Southwestern, Dallas, TX, United States,
Imaging Research Center, UT Southwestern, Dallas, TX,
Pulsed arterial spin labeling (PASL) techniques, such as
2D FAIRER, have been developed and evaluated in normal
volunteers to study pulmonary perfusion at 1.5 T.
However, PASL approaches are fundamentally limited to 2D
acquisitions due to their reliance on the blood flow
from outside the imaging volume, and cannot be extended
to volumetric acquisitions. In this work, we present a
non-contrast volumetric pulmonary perfusion using
pseudo-continuous ASL labeling of the inferior vena cava
in combination with a segmented 3D turbo spin echo
acquisition at 3 T.
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