Abstract #4694

Background-suppressed pulsed arterial spin labeling of placental perfusion at 1.5T

Eileen Hwuang¹, Zhengjun Li², Marta Vidorreta^2,3, Sudipto Dolui^2,3, M. Dylan Tisdall³, Nadav Schwartz⁴, Walter R. Witschey³, and John A. Detre^2,3

¹Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, United States, ²Department of Neurology, University of Pennsylvania, Philadelphia, PA, United States, ³Department of Radiology, University of Pennsylvania, Philadelphia, PA, United States, ⁴Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, PA, United States

We present the feasibility of measuring and quantifying placental blood flow in healthy pregnant subjects at 1.5T. We used a Flow Alternating Inverson Recovery (FAIR) scheme with background suppression. Using statistical parametric mapping, discrete regions of labeling were observed, likely corresponding to individual spiral artery distributions.

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