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Table 2 The features and outcomes of the fetal DAA group with a postnatally confirmed diagnosis (n = 36)

From: Fetal double aortic arch: prenatal sonographic and postnatal computed tomography angiography features, associated abnormalities and clinical outcomes

Characteristics Mean ± SD or N(%)
Maternal age, y 29.0 ± 6.0
Gestational age at diagnosis, wks 27.0 ± 4.1
Follow-up period, months 38.0 ± 17.0
Age of symptoms, months 4.0 ± 2.8
Backer’s Classification /
▲Right arch dominant 25 (69%)
▲▲Atretic left arch 2 (6%)
▲Left arch dominant 5 (14%)
▲Double arch balanced 6 (17%)
Isolated DAA 24 (67%)
Intracardiac anomalies 11(31%)
Extracardiac anomalies 5 (14%)
Chromosomal abnormalities 2/33 (6%)
TOP 9(25%)
Live births 27 (75%)
Asymptomatic 16/27 (59%)
Symptomatic for surgery 11/27 (41%)
  1. DAA double aortic arch, TOP termination of pregnancy