Résumé
Les difficultés d’analyse du ventricule droit (VD) par échocardiographie sont bien connues. Dans ce domaine, l’avantage de l’imagerie en coupe réside dans l’absence de toute modélisation géométrique pour quantifier les volumes et la fonction systolique du VD. En outre, l’IRM offre une quantification des flux très utile pour estimer les fuites pulmonaires ou tricuspides et pour quantifier le rapport des débits Qp/Qs. Les applications cliniques essentielles concernent: l’HTAP, l’infarctus du VD, la dysplasie du VD et surtout les cardiopathies congénitales de l’adulte altérant le VD. Le scanner cardiaque offre une résolution spatiale supérieure à l’IRM, mais sa place pratique reste limitée dans les pathologies du VD car l’approche fonctionnelle est inférieure à celle de l’IRM et en raison de la nécessité d’injection d’un produit de contraste iodé ainsi que de son caractère irradiant.
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© 2013 Springer-Verlag Paris
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Germain, P., El-Ghannudi-Abdo, S., Jeung, MY. (2013). Évaluation de la fonction du ventricule droit par l’imagerie en coupes. In: Boyer, L., Guéret, P. (eds) Imagerie en coupes du cœur et des vaisseaux. Springer, Paris. https://doi.org/10.1007/978-2-8178-0435-4_16
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DOI: https://doi.org/10.1007/978-2-8178-0435-4_16
Publisher Name: Springer, Paris
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