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- Title
A novel fully covered double-bump stent for staple line leaks after bariatric surgery: a retrospective analysis.
- Authors
Boerlage, Thomas C. C.; Fockens, Paul; Voermans, Rogier P.; Houben, Gerardus P. M.; Groenen, Marcel J. M.; van der Linde, Klaas; van de Laar, Arnold W. J. M.; Emous, Marloes
- Abstract
<bold>Background: </bold>Staple line leakage after bariatric surgery can be treated by endoscopic placement of a self-expandable stent. The success rate of stent placement is generally high, but migration is a frequent adverse event that hampers successful treatment. The Niti-S Beta stent is a fully covered double-bump stent that was specifically designed to prevent migration. This study aimed to evaluate the effectiveness and adverse event rate of the Niti-S Beta stent.<bold>Methods: </bold>A retrospective study was performed in three high-volume bariatric centers. All consecutive patients between 2009 and 2016 who underwent placement of a Beta stent for staple line leakage were included. Primary outcome was resolution of the leakage; secondary outcome was the adverse event rate including migration.<bold>Results: </bold>Thirty-eight patients were included. Twenty-five (66%) had resolution of the leakage. Success rate was higher in patients who were treated with implantation of a Beta stent as initial treatment (100%) than in patients who were treated with a stent after revisional surgery had failed (55%, p = 0.013). Migration occurred in 12 patients (32%). There were two severe adverse events requiring surgical intervention, including a bleeding from an aorto-esophageal fistula.<bold>Conclusions: </bold>The success rate and the migration rate of the Beta stent seem comparable to other stents in this retrospective study. Despite the novel double-bump structure of the stent, the migration rate does not seem to be decreased.
- Subjects
ENDOSCOPIC surgery complications; BARIATRIC surgery; LAPAROSCOPIC surgery; SURGICAL stents; STENOSIS
- Publication
Surgical Endoscopy & Other Interventional Techniques, 2018, Vol 32, Issue 7, p3174
- ISSN
1866-6817
- Publication type
journal article
- DOI
10.1007/s00464-018-6034-2