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  • Title: Efficacy and safety of endoscopic duodenal stent versus endoscopic or surgical gastrojejunostomy to treat malignant gastric outlet obstruction: systematic review and meta-analysis.
    Author: Krishnamoorthi R, Bomman S, Benias P, Kozarek RA, Peetermans JA, McMullen E, Gjata O, Irani SS.
    Journal: Endosc Int Open; 2022 Jun; 10(6):E874-E897. PubMed ID: 35692924.
    Abstract:
    Background and study aims  Malignant disease accounts for up to 80 % of gastric outlet obstruction (GOO) cases, which may be treated with duodenal self-expanding metal stents (SEMS), surgical gastrojejunostomy (GJ), and more recently endoscopic-ultrasound-guided gastroenterostomy (EUS-GE). These three treatments have not been compared head-to-head in a randomized trial. Methods  We searched the Embase and MEDLINE databases for studies published January 2015-February 2021 assessing treatment of malignant GOO using duodenal SEMS, endoscopic (EUS-GE) or surgical (laparoscopic or open) GJ. Efficacy outcomes assessed included technical and clinical success rates, GOO recurrence and reintervention. Safety outcomes included procedure-related bleeding or perforation, and stent-related events for the duodenal SEMS and EUS-GE arms. Results  EUS-GE had a lower rate of technical success (95.3%) than duodenal SEMS (99.4 %) or surgical GJ (99.9%) ( P  = 0.0048). For duodenal SEMS vs. EUS-GE vs. surgical GJ, rates of clinical success (88.9 % vs. 89.0 % vs. 92.3 % respectively, P  = 0.49) were similar. EUS-GE had a lower rate of GOO recurrence based on limited data ( P  = 0.0036), while duodenal SEMS had a higher rate of reintervention ( P  = 0.041). Overall procedural complications were similar (duodenal SEMS 18.7 % vs. EUS-GE 21.9 % vs. surgical GJ 23.8 %, P  = 0.32), but estimated bleeding rate was lowest ( P  = 0.0048) and stent occlusion rate was highest ( P  = 0.0002) for duodenal SEMS. Conclusions  Duodenal SEMS, EUS-GE, and surgical GJ showed similar clinical efficacy for the treatment of malignant GOO. Duodenal SEMS had a lower procedure-related bleeding rate but higher rate of reintervention.
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