Table 1 Etiological findings in 6 studies on ASBO-VA
From: Diagnosis and management of small bowel obstruction in virgin abdomen: a WSES position paper
| Â | Beardsley et al., 2014 [6] | Tavangari, 2016 [18] | Ng et al., 2018 [11] | Fukami et al., 2018 [27] | Skoglar et al., 2018 [25] | Strajina et al., 2019 [26] |
|---|---|---|---|---|---|---|
Years included | 2007–2011 | 2008–2012 | 2012–2014 | 2008–2015 | 2006–2011 | 2006–2016 |
Nr of patients with SBO-VA | 49 | 103 | 71 | 44 | 63 | 60 |
Abdominal-wall Hernia | Excluded | 4/40 (10%) | Excluded | - | - | excluded |
Operative treatment | 34 | 40 | 43 | 7 | 63 | 50 |
Adhesions | 37/49 (75.5%) | 14/40 (35%)* | 44/71 (62%) | 7/ 7 (100%)* | 19/63 (30%) | 13/50 (26%)* |
• Laparotomy proven n = 25/49 (51%) • Exclusion of other causes n = 12 | - | • Surgically proven n = 23 /43 (53%) • Exclusion of other causes n = 21 |  | - | - | |
Adhesion type Band/Matt | - | - | Band, n = 19 Matt, n = 4 | - | Band, n = 13 Matt, n = 7 | Band, n = 4 |
Malignancy | n = 5 (10%) | n = 4/40 (10%) | n = 3 (4%) | - | n = 26 (41%) *Included CRC which was the most common | n = 8 (13%) |
Negative Laparotomy | n = 3 (6.1%) | - | - | - | - | 20/50 (40%) |
Other causes*: | n = 4 (8%) | n = 10/40 (10%) | n = 24 (33%) | - | n = 8 (13%) | n = 11 (18%) |
Malignancy; n = 5 Meckel`s diverticulum; n = 1 Gallstone ileus; n = 1 NSIAD induced IBD; n = 1 Sclerosing encapsulating peritonitis; n = 1 |  | Malignancy; n = 3 Meckel’s diverticulum; n = 1 Gallstone ileus; n = 5 Phytobezoar/foreign body; n = 3 Internal herniation; n = 4 Intussusception; n =4 Mesentery volvulus; n = 3 Stricture; n = 1 | - | Malignancy; n = 26 | Malignancy; n = 8 | |
CT performed | 58/62 (93.5%) | 102/103 (99%) | 69/72 (96%) | - | - | 60/60 (100%) |
CT accuracy in compared to operative findings | 18/34 (52.9%) | - | 32/42 (76%) | - | - | - |