Transient arterial phase respiratory motion-related artifact

Last revised by Daniel J Bell on 12 Oct 2021

Transient arterial phase respiratory motion-related artifact refers to common self-limited dyspnea observed immediately after the administration of gadoxetate disodium during liver MRI studies. The pathophysiology behind this phenomenon is poorly understood and its incidence varies among different publications in a range from 2.4-18% 1-4

Although described with other gadolinium agents, this self-limited dyspnea is much more prevalent with gadoxetate disodium. Awareness about this potential artefact when choosing this hepatospecific contrast agent (Primovist/Eovist) is vital, as the motion degradation of the images can result in a non-diagnostic MRI.

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