Demographics and management overview
| Male, n (%) | 55 (53) |
| Gestational age at birth, weeks (range) | 36 (26–42) |
| Birth weight , g (range) | 2475 (800–4320) |
| Age at surgery, days (range) | 2 (0–75) |
| Prenatal suspicion of CDO, n (%) | 61 (59) |
| Preoperative upper GI contrast study, n (%) | 35 (34) |
| Atresia type (figure 2), n (%) | |
| I | 39 (38) |
| II | 5 (5) |
| III | 37 (36) |
| Not reported or not identified | 22 (21) |
| Site of obstruction, n (%) | |
| Pre-ampullary | 25 (24) |
| Post-ampullary | 45 (44) |
| Not reported or not identified | 33 (32) |
| Repair type, n (%) | |
| Duodenoduodenostomy | 78 (76) |
| Duodenojejunostomy | 15 (15) |
| Membrane resection | 4 (4) |
| Duodenoplasty | 3 (3) |
| Membrane incision | 1 (1) |
| TAT placement, n (%) | 43 (42) |
All figures are given as median unless specified.
CDO, congenital duodenal obstruction; GI, gastrointestinal ; TAT, trans-anastomotic tube.