194 Chapter 8 Table 2 – Incidence per disease Diagnosis Total operated SBO (%) Necrotizing enterocolitis 188 15 (8%) Intestinal atresia 177 13 (7%) Gastroschisis 53 9 (17%) Diaphragmatic hernia 25 7 (28%) Meconium ileus 25 7 (28%) Hirschsprung’s disease 153 6 (4%) Anorectal malformations 236 6 (3%) Volvulus 60 4 (6%) Pseudo obstruction 10 3 (30%) Focal intestinal perforation 16 3 (16%) Omphalocele 42 3 (7%) Intussusception 46 2 (4%) Infantile hypertrophic pyloric stenosis 408 2 (1%) Malrotation 56 2 (3%) Table 3 - Diagnosis of SBO Variable SBO (N=88) Count (%) (missing) Median days until SBO (range) 99 (8 – 6185) Mode of diagnose Ultrasound 9 (10%) CT-scan 1 (1%) X-ray with contrast 50 (57%) During emergency surgery 6 (7%) Missing*1 22 (25%) Location Duodenum 7 (8%) Ileum 34 (38%) Jejunum 12 (14%) Small intestine + Colon 16 (18%) Location of adhesions not described 19 (22%) Redo-operation needed to resolve the SBO 82 (93%) (missing: 2) Intestinal resection during redo-operation2 29 (35%) (missing: 6) Died because of SBO 3 (3%) *1: SBO diagnosis was made before referral from other hospital *2: In those operated due to SBO
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