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Marginal Ulcer and Dumping Syndrome in Patients after Duodenal Switch: A Multi-Centered Study
Marita Salame1, Andre F Teixeira2, Romulo Lind2
1Department of Surgery, Mayo Clinic, Rochester, MN 55905, USA.
Background:
The current design of biliopancreatic diversion with duodenal switch (BPD/DS) and single anastomosis duodenal-ileal bypass with sleeve (SADI-S) emphasizes the importance of the pylorus' preservation to reduce the incidence of marginal ulcer (MU) and dumping. However, no institutional studies have yet reported data on their prevalence. We aimed to assess the incidence of MU and dumping after duodenal switch (DS) and identify the associative factors.
Methods:
A multi-center review of patients who underwent BPD/DS or SADI-S between 2008 and 2022. Baseline demographics, symptoms, and management of both complications were collected. Fisher's exact test was used for categorical variables and the independent t-test for continuous variables.
Results:
A total of 919 patients were included (74.6% female; age 42.5 years; BMI 54.6 kg/m2) with mean follow-up of 31.5 months. Eight patients (0.9%) developed MU and seven (0.8%) had dumping. Patients who developed MU were more likely to be using non-steroidal anti-inflammatory drugs (NSAID) (p = 0.006) and have a longer operation time (p = 0.047). Primary versus revisional surgery, and BDP/DS versus SADI-S were not associated with MU or dumping.
Conclusions:
The incidences of MU and dumping after DS were low. NSAID use and a longer operation time were associated with an increased risk of MU, whereas dumping was attributed to poor dietary habits.
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