Short-bowel syndrome in children and adults
Abstract
Short-bowel syndrome is the malabsorptive state that follows extensive resection of the small intestine. Potential long-term survival without parenteral nutrition heavily depends on stimulation of the process of intestinal adaptation, through which the remaining small intestine gradually increases its absorptive capacity. This process is heavily nutrient dependent, and aggressive use of enteral nutrition is required to stimulate its completion. A combination of osmotic sensitivities, nutrient malabsorption, bowel dilatation and dysmotility, and changes in bacterial flora influence the symptoms and the management of this disorder. Chronic complications include parenteral nutrition-induced liver disease, nutrient deficiency states, and, frequently, small bowel bacterial overgrowth. Intestinal transplantation has been successfully developed in some centers in the United States, and preliminary experience suggest a long-term survival of 50%-75%, better in patients receiving an isolated intestinal transplant than a combined liver/bowel transplant. The ultimate role of intestinal transplantation is still undergoing evaluation.
(Gastroenterology 1997 Nov;113(5):1767-78)
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Effects of high-fat diet on liver injury after small bowel resection
2020, Journal of Pediatric SurgeryThe optimal regimen for enteral nutritional support in the management of children with short bowel syndrome (SBS) is not well characterized. A high fat, enteral diet is theoretically beneficial due to increased caloric density and enhanced structural adaptation. We therefore sought to determine the long-term effects of a high fat diet (HFD) on liver injury, a common complication of SBS, compared to a standard chow (SC) diet.
Using a parenteral nutrition-independent model of resection-associated liver injury, C57BL/6 mice underwent a sham operation or a 50% or 75% proximal small bowel resection (SBR). Mice in each group were then fed either a HFD (35% kcal fat) or SC (13% kcal fat). At post-operative week 15, markers of liver injury were quantified.
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Presently, STEP is reserved for a specific subset of IRP patients, allowing 42% to wean off PN. STEP's use should be under the umbrella of a multidisciplinary IRP.
Retrospective cohort study.
III
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