Efficacy and safety of EUS-guided gastroenterostomy for benign and malignant gastric outlet obstruction: a systematic review and meta-analysis

Abstract

Background and study aims Endoscopic ultrasound-guided gastroenterostomy (EUS-GE) is a novel endoscopic procedure designed to facilitate sustained luminal patency in patients with gastric outlet obstruction. The primary aim of this study was to evaluate the efficacy and safety of EUS-GE for treatment of gastric outlet obstruction.

Methods Searches of PubMed, EMBASE, Web of Science, and Cochrane Library databases were performed through April 2019. Patients with benign and malignant gastric outlet obstruction were included. Measured outcomes included: immediate technical and clinical success as well as rate of serious adverse events (AEs). Heterogeneity was assessed with Cochran Q test and I ² statistics. Publication bias was ascertained by funnel plot and Egger regression testing.

Results A total of five studies (n = 199 patients; 45.73 % male) were included in this study. Four retrospective studies and one prospective study were analyzed. Mean age of patients that underwent the EUS-GE procedure was 64.52 ± 1.37 years with a pooled mean follow-up period of 4.32 ± 1.65 months. In 21 % of patients (n = 43), gastric outlet obstruction was due to benign causes. Immediate technical success was 92.90 % (95 % CI; 88.26 – 95.79; I² = 0.00 %) and reported in all studies. The clinical success rate of EUS-GE was 90.11 % (95 % CI; 84.64 – 93.44; I² = 0.00 %). Serious AEs occurred in 5.61 % (95 % CI; 2.87 – 10.67; I² = 1.67 %) of cases and were related to peritonitis, perforation, bleeding, and abdominal pain. Re-intervention rate was 11.43 % (95 % CI; 7.29 – 17.46; I² = 17.38 %).

Conclusions EUS-GE appears to provide an effective and safe minimally invasive alternative for treatment of benign and malignant gastric outlet obstruction.

• References

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