Abstract
Banded Roux-en-Y gastric bypass (RYGB) was a common bariatric procedure in the 2000s, and the ring slippage is one of its late adverse events. Both plastic and metallic stents have been reported as adjunct methods to induce erosion and facilitate endoscopic removal of the ring. To compare the safety and effectiveness of self-expanding metallic stents (SEMS) and plastic stents (SEPS) to treat ring slippage. We conducted a retrospective longitudinal study analyzing consecutive patients with ring dysfunction treated with stents plus endoscopic removal. Ninety patients were enrolled (36 SEMS vs. 54 SEPS). The mean age was 48.56 ± 13.07 and 45.6 ± 12.1 in the SEMS and SEPS groups, respectively. All patients had band slippage, but 24 from SEMS group and 23 from SEPS group had further complications. There were more complications in metallic stent concerning mean absolute number of therapy-related adverse events (1.33 ± 0.48 vs. 1.72 ± 0.5, p > 0.05) and time until erosion (14.9 ± 1.6 vs. 13.8 ± 1.4days, p > 0.05). Female sex and age > 41years old correlated with longer time to band erosion and higher incidence of adverse events in SEMS patients. In SEPS group, only female sex was a risk factor for adverse events. Both procedures were efficient at inducing band erosion with similar safety profiles. Older and female patients are at a higher risk of treatment-related adverse events, especially those receiving SEMS.
Published Version
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