Abstract
Background Although contrast-enhanced first-pass MRA (FP-MRA) is frequently used to visualize the vasculature, it may not be suitable for the assessment of congenital heart disease. Blood-pool contrast agents remain within the intravascular space for several hours, allowing vessels to be imaged without relying on accurate contrast bolus timing. The purpose of this study is to compare steadystate magnetic resonance angiography (SS-MRA) following injection of a blood-pool contras agent to first-pass MR angiography (FP-MRA) in adults with congenital heart disease.
Highlights
Contrast-enhanced first-pass MRA (FP-MRA) is frequently used to visualize the vasculature, it may not be suitable for the assessment of congenital heart disease
There was no significant difference in aortic dimensions at all anatomic locations between FP-MRA and SSMRA
Image quality scores were higher for steadystate magnetic resonance angiography (SS-MRA) compared to FP-MRA (Figure 1)
Summary
Steady-state magnetic resonance angiography of the thoracic vasculature in congenital heart disease using a blood pool contrast agent: evaluation of two different techniques. Jennifer A Febbo1*, Mauricio S Galizia, Andrada R Popescu, Xiaoming Bi2, Jeremy Collins, Michael Markl, Robert R Edelman, James Carr
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