Key result
Isolated left subclavian artery in right aortic arch rarely associates with coarctation, arch hypoplasia, and VSD.
Reports a rare congenital association of isolated left subclavian artery in a right aortic arch with distal arch hypoplasia, coarctation, and ventricular septal defect.
Alerts to coarctation risk in right aortic arch with isolated left subclavian artery; extends rare case reports but leaves open true prevalence.
"Isolated left subclavian artery in a right aortic arch: a rare association with distal arch hypoplasia, coarctation and ventricular septal defect." Acta Cardiologica, 76(7), pp. 803–804
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Verma et al. (2020) studied this question. Isolated left subclavian artery in a right aortic arch is rarely associated with distal arch hypoplasia, coarctation, and ventricular septal defect.
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