Abstract
BackgroundSmall bowel obstruction (SBO) is a common surgical emergency, causing high morbidity and healthcare costs. The majority of SBOs are caused by adhesions that result from previous surgeries. Bowel obstruction, however, also occurs in patients without previous operation or known pathology, a so called virgin abdomen. It is unknown if small bowel obstruction in the virgin abdomen (SBO-VA) can be managed according to the same principles as other cases of small bowel obstruction. The aim of this position paper is to evaluate the available evidence on etiology and management of small bowel obstruction in the virgin abdomen.MethodsThis is a narrative review with scoping aspects. Clinical topics covered in this review include epidemiology and etiology of SBO-VA, diagnosis and imaging, initial assessment, the role of surgical management in SBO-VA, and the role of non-operative management in SBO-VA.ResultsOur scoping search revealed seven original studies reporting original patient data related to SBO-VA. All the included studies are retrospective cohorts, with populations ranging between 44 and 103 patients with SBO-VA. Adhesions were found to be the cause of the obstruction in approximately half of the reported cases of SBO-VA. A relatively high number of cases of SBO-VA were managed surgically with studies reporting 39–83%. However, in cases where a trial of non-operative management was started, this was generally successful.ConclusionThe data available suggest that etiology and treatment results for patients with SBO-VA are largely comparable to the results in patients with SBO after previous abdominal surgery. We therefore propose that patients with a virgin abdomen could be treated according to existing guidelines for SBO and adhesive small bowel obstruction.
Highlights
Small bowel obstruction (SBO) is a common surgical emergency, causing high morbidity and healthcare costs
The present paper aims to provide an overview of the literature on the etiology and management of small bowel obstruction in the virgin abdomen (SBO-VA) and to generate recommendations for clinical management and future research
The accuracy of computed tomography in identifying the cause of the SBO was discussed in 2 studies, in which the findings in computed tomography were compared to the operative findings [6, 11]
Summary
Small bowel obstruction (SBO) is a common surgical emergency, causing high morbidity and healthcare costs. Occurs in patients without previous operation or known pathology, a so called virgin abdomen. It is unknown if small bowel obstruction in the virgin abdomen (SBO-VA) can be managed according to the same principles as other cases of small bowel obstruction. Small bowel obstruction (SBO) is a common surgical emergency, accounting for almost 50% of all emergency laparotomies with significant in-hospital morbidity and costs [1,2,3,4]. SBO occurs in patients who had no prior abdominal surgery, referred to as a virgin abdomen. Suggest that surgical exploration is still mandatory in the case of SBO in the virgin abdomen (SBO-VA), based on the assumption that SBO-VA is usually caused by other etiologies than adhesions, such as malignancy, internal hernia, and bezoars as the most prominent causes [9, 10]
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