Table 1

Most common associated structural anomalies*

Structural anomalyDuodenal atresia N (%)JIA N (%)§
Cardiac anomalies60 (12.3)25 (6.6)
Ventricular septal defect22 (4.9)8 (2.1)
Atrial septal defect20 (4.5)12 (3.2)
Atrioventricular septal defect8 (1.8)2 (0.5)
Tetralogy of fallot7 (1.6)2 (0.5)
Cleft lip with or without palate6 (1.3)2 (0.5)
Digestive system (other than SIA)39 (8.0)10 (2.6)
Oesophageal atresia with or without fistula17 (3.8)1 (0.3)
Anorectal atresia and stenosis17 (3.8)4 (1.00)
Atresia of bile ducts5 (1.1)1 (0.3)
Urinary system29 (6.5)9 (2.4)
Congenital hydronephrosis5 (1.1)2 (0.5)
Limb31 (6.9)5 (1.3)
Limb reduction9 (2.0)1 (0.3)
Upper limb7 (1.6)
  • * Cases with chromosomal or genetic syndromes, gastroschisis or multiple (or unknown) births were excluded from this analysis.

  • Cases with two or more additional anomalies may appear more than once.

  • Percentage of total duodenal atresia cases.

  • § Percentage of total JIA cases.

  • JIA, jejunoileal atresia; SIA, small intestinal atresia.