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  • Title: Prenatal diagnosis of right aortic arch and aberrant left subclavian artery in association with bilateral ductus arteriosus by two-and four-dimensional echocardiography: a case of rare vascular ring and review of literature.
    Author: Sun X, Zhang Y, Wang Y.
    Journal: J Matern Fetal Neonatal Med; 2022 Jul; 35(14):2678-2683. PubMed ID: 32693651.
    Abstract:
    The incidence of bilateral ductus arteriosus is sporadically reported in the uterus, and right aortic arch with aberrant of the left subclavian artery in association with bilateral ductus arteriosus is therefore extremely rare. We describe a case of right aortic arch and aberrant left subclavian artery associated with bilateral ductus arteriosus. Scanning around the three-vessel and trachea view to search for an "O" shape and a "U" shape vascular ring is essential for the diagnosis, which reveals vascular structures coursing around the trachea. Four-dimensional echocardiography with high-definition flow imaging and spatiotemporal image correlation technique illustrates the spatial relationships of these vessels and the trachea, which should be considered as a complementary modality in fetal cardiac examinations.
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