EUS-guided gastroenterostomy for the management of gastric outlet obstruction: A systematic review and meta-analysis.

Gastric outlet obstruction (GOO) is characterized by epigastric pain and postprandial vomiting secondary to mechanical obstruction. Management of GOO is usually focused on alleviating the symptoms of obstruction and can be achieved by surgical gastrojejunostomy or enteral stenting. Recent studies have shown success with EUS-guided gastroenterostomy (EUS-GE) in the management of GOO but data is limited. We, therefore, conducted a meta-analysis to evaluate the safety and efficacy of EUS-GE in the management of GOO. A comprehensive literature review was conducted by searching the Embase and PubMed databases from inception to January 2019 to identify all studies that evaluate the efficacy and safety of EUS-GE in GOO. Our primary outcome was to evaluate technical success and clinical success. Secondary outcomes were to evaluate the need for reintervention and adverse events of the procedure. Twelve studies including 285 patients were included in the meta-analysis. Technical success was achieved in 266 patients with a pooled technical success of 92% (95% confidence interval [CI]: 88%-95%). Clinical success was achieved in 90% of the patients (95% CI: 85%-94%). Recurrence of symptoms or unplanned reintervention was needed in 9% of the patients (95% CI: 6%-13%) and adverse events were reported in 12% of the patients (95% CI: 8%-16%). The heterogeneity tests among studies were nonsignificant with I

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