Mortality remains high and is associated with sepsis. Fistulas proximal to the duodeno-jejunal flexure are more likely to close spontaneously. If the fistula fails to close spontaneously care is often prolonged and complex, requiring a dedicated nutrition team. In this series, spontaneous closure was more common in upper GI fistulas. Patients who are not able to be discharged in the interval between fistula formation and definitive surgery have a higher mortality risk.
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Quinn et al. (2017) studied this question.
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