Aetiologies and Prognosis of Small Bowel Obstruction in Virgin Abdomen

Small Bowel Obstruction, Small Bowel Obstruction Adhesion

Small bowel obstruction (SBO) is a surgical emergency in which the passage of intestinal contents is prevented due to mechanical obstruction of small intestine. It accounts for almost 50% of all emergency laparotomies with significant in-hospital morbidity and costs. SBO has known to occur in patients who had no prior abdominal surgery, referring to as a virgin abdomen (VA). Nowadays, non-operative management comprising of bowel decompression, water-soluble contrast agents, and fluid resuscitation have been found safe and efficacious in 70% of SBOs caused by adhesions (ASBO). However, based on the assumption that SBO in the virgin abdomen (SBO-VA) is usually caused by other aetiologies than adhesions, such as malignancy and hernias, many authors suggest that surgical exploration is still mandatory. Besides, recent studies do show high incidence of adhesions also in patients with SBO-VA. This observation signifies that guideline on the management of ASBO might also apply to the majority of patients with SBO-VA. Hence, the aim of our retrospectively study is to shed light on the aetiologies of SBO-VA. We believe treatment strategy needs to be based on the underlying reasons of obstructions and conditions of the patients and evaluate their prognosis accordingly.

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