Abstract:Objective: There has been a rise in the prenatal detection of
right sided aortic arch (RAA). When associated with a left-sided
arterial duct (LD), this forms a vascular ring encircling the trachea.
Infants may have symptoms or signs suggestive of trache-oesophageal
compression but many are asymptomatic. The objective of this study was
to investigate the relationship between symptoms and severity of
tracheo-bronchial compression assessed by bronchoscopy.
Methods: Retrospective review of all cases of prenatally
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