Increased Pulmonary-Aortic Interspace in Fetal Right Aortic Arch: A Matched Case-Control Study.
Bo B BetAgnes E van SteijnIngeborg H LinskensIngmar KnobbeElisabeth van LeeuwenEva PajkrtSally-Ann Clur
Published in: Fetal diagnosis and therapy (2024)
The pulmonary-aortic interspace and the PAAo/AoSVC ratio were significantly larger for RAA cases as compared to controls. If an increased pulmonary-aortic interspace is observed, a PAAo/AoSVC of ≥1.9 can be helpful in the diagnosis of an RAA.