Table 1 Prenatal sonographic findings in 40 patients with CDO
From: The application of prenatal ultrasound in the diagnosis of congenital duodenal obstruction
Characteristics | Results |
|---|---|
Gestational age at detection (weeks) | 27.8 ± 4.1 |
Maternal age (years) | 29 ± 5 |
Amniotic fluid index (cm) | 18.9 ± 6.5 |
Hydramnios (N, %) | 8 (20.0) |
Gastric bubble diameter (cm) | 1.9 ± 0.7 |
Duodenum diameter (cm) | 1.1 ± 0.4 |
Simple CDO (N, %) | 17 (42.5) |
With other malformations (N, %) | 23 (57.5) |
gastrointestinal tract malformations | 13/23 (56.6) |
skeletal malformations | 3/23 (13.0) |
cardiac malformations | 3/23 (13.0) |
multi-malformations | 4/23 (17.4) |
Down syndrome (N, %) | 0 (0.0) |
‘Rat tail’ sign patientsa (N) | 16 |
Gastric bubble diameter (cm) | 1.6 ± 0.8* |
Duodenum diameter (cm) | 1.0 ± 0.2* |
Amniotic fluid index (cm) | 20.1 ± 7.7* |
‘Pliers’ sign patients (N) | 4 |
Gastric bubble diameter (cm) | 1.8 ± 0.6 |
Duodenum diameter (cm) | 1.1 ± 0.5 |
Amniotic fluid index (cm) | 15.6 ± 1.0 |