4D Flow imaging in real life: A look back on a year of practice
4D Flow imaging is an innovative magnetic resonance imaging modality for qualitative and quantitative analysis of cardiovascular pathologies. Its applications are multiple and find their interest in contentious situations by providing a complete and innovative analysis. We present here the experience of one year of practice in our center (100 examinations) on adult and pediatric populations (from 6 weeks to 43 years, from 4.6kg to 85kg). This modality has been applied as a remedial imaging in ambiguous situations (68% of congenital pathology, 23% of valvulopathy, 9% of large vessel pathology) where conventional imaging modalities have proved non-contributory. The feasibility of this examination was excellent, since only 3 examinations were considered uninterpretable due to a lack of perfusion of gadolinium. All the pediatric population examinations could be performed in a satisfactory comfort (maximum duration of 8minutes against 40minutes for a conventional 2D MRI/absence of recourse to general anesthesia). The results were compared with those obtained by conventional methods and were useful in the management of our patients by providing a complete understanding of the pathologies. Used in contentious situations, MRI by 4D Flow has been illustrated as a recourse imaging. Based on our experience, 4D Flow has proved its feasibility in various situations and for various pathologies. It remains to this modality to demonstrate its reproducibility as well as its relevance.
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