Table 2 The features and outcomes of the fetal DAA group with a postnatally confirmed diagnosis (n = 36)
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 | / |
â–²Right arch dominant | 25 (69%) |
▲▲Atretic left arch | 2 (6%) |
â–²Left arch dominant | 5 (14%) |
â–²Double 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%) |
â–²Asymptomatic | 16/27 (59%) |
â–²Symptomatic for surgery | 11/27 (41%) |