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Magnetic resonance angiography of fetal vasculature at 3.0 T.

ABSTRACT: Magnetic resonance angiography has not been used much previously for visualizing fetal vessels in utero for reasons that include a contraindication for the use of exogenous contrast agents, maternal respiratory motion and fetal motion. In this work, we report the feasibility of using an appropriately modified clinical time-of-flight magnetic resonance imaging sequence for non-contrast angiography of human fetal and placental vessels at 3.0 T. Using this 2D angiography technique, it is possible to visualize fetal vascular networks in late pregnancy. KEY POINTS:• 3D-visualization of fetal vasculature is feasible using non-contrast MRA at 3.0 T. • Visualization of placental vasculature is also possible with this method. • Fetal MRA can serve as a vascular localizer for quantitative MRI studies. • This method can be extended to 1.5 T.

SUBMITTER: Neelavalli J

PROVIDER: S-EPMC5102784 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature

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Magnetic resonance angiography of fetal vasculature at 3.0 T.

Neelavalli Jaladhar J Krishnamurthy Uday U Jella Pavan K PK Mody Swati S SS Yadav Brijesh K BK Hendershot Kelly K Hernandez-Andrade Edgar E Yeo Lami L Cabrera Maria D MD Haacke Ewart M EM Hassan Sonia S SS Romero Roberto R

European radiology 20160517 12

Magnetic resonance angiography has not been used much previously for visualizing fetal vessels in utero for reasons that include a contraindication for the use of exogenous contrast agents, maternal respiratory motion and fetal motion. In this work, we report the feasibility of using an appropriately modified clinical time-of-flight magnetic resonance imaging sequence for non-contrast angiography of human fetal and placental vessels at 3.0 T. Using this 2D angiography technique, it is possible t ...[more]

PMID: 27189488

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