Table 1 Prenatal diagnosis of congenital vascular ring
Types of vascular rings | The number of cases | Accompanied by intracardiac malformation | Accompanied by extracardiac malformation | Invasive chromosome testing |
|---|---|---|---|---|
LAA-ARSA | 240 | ventricular septal defect (4) pulmonary stenosis (1) persistent left superior vena cava (2) | fetal growth restriction (3) strephenopodia (4) cleft lip (3) nasal bone dysplasia (3) abnormal urinary system (3) ascites (2) hydrothorax (3) embryo lymph cyst (1) dacryocystocele (2) ventricular dilatation (3) dysgenesis of corpus callosum (2) choroidplexuscyst(3) | Trisomy 18 (2) Trisomy 21 (2) 22q11.21 (1) |
RAA-MIRROR-IMAGE BRANCHING | 55 | ventricular septal defect (5) persistent left superior vena cava (4) Tetralogy of fallot (2) Persistent truncus arteriosus (2) Transposition of the great vessels (3) Double outlet right ventricle (2) pulmonary stenosis (2) Hydropericardium (2) Tricuspid regurgitation (2) | cleft lip (2) Butterfly vertrbra (1) strephenopodia (3) Fingers overlapping (1) ventricular dilatation (3) Choroidplexuscyst (2) abnormal urinary system (3) ascites (1) nasal bone dysplasia (2) ventricular dilatation (2) abnormal urinary system (1) | Trisomy 18 (2) Trisomy 21 (1) 22q11.21 (1) |
RAA-ALSA | 112 | ventricular septal defect (1) persistent left superior vena cava (1) | cleft lip (1) Adactylous (3) Genital abnormalities (1) strephenopodia (2) Ependymal cyst (3) | Trisomy 21 (1) 22q11.21 (1) |
DAA | 7 | 0 | Choroidplexuscyst (1) | 22q11.21 (1) |
PULMONARY ARTERY SLING | 4 | 0 | strephenopodia (1) dysgenesis of corpus callosum (1) ventricular dilatation (2) cleft lip (1) | Trisomy 18 (1) |