Published online Jul 27, 2021. doi: 10.4240/wjgs.v13.i7.620
Peer-review started: January 30, 2021
First decision: May 10, 2021
Revised: May 11, 2021
Accepted: June 23, 2021
Article in press: June 23, 2021
Published online: July 27, 2021
Processing time: 173 Days and 19.8 Hours
Gastric outlet obstruction (GOO) is a clinical syndrome secondary to luminal obstruction at the level of the stomach and/or duodenum. GOO can be caused by either benign or malignant etiologies, often resulting in early satiety, nausea, vomiting and poor oral intake. GOO is associated with decreased quality of life and has been shown to significantly impact survival in patients with advanced malignancies. Traditional treatment options for GOO can be broadly divided into surgical [surgical gastrojejunostomy (GJ)] and endoscopic interventions (dilation and/or placement of luminal self-expanding metal stents). While surgical GJ has been shown to provide a more lasting relief of symptoms when compared to luminal stenting, it has also been associated with a higher rate of adverse events. Furthermore, many patients with advanced metastatic disease are not good surgical candidates. More recently, endoscopic ultrasound (EUS)-guided GJ has emerged as a potential alternative to traditional surgical and endoscopic approaches. This review focuses on the new advances and technical aspects of EUS-GJ and clinical outcomes in the management of both benign and malignant disease.
Core Tip: Gastric outlet obstruction (GOO) can significantly decrease the quality of life and also significantly impact survival of patients with malignant etiology. Endoscopic luminal stenting and surgery are considered standard therapy; however, issues remain. Luminal stenting is minimally invasive but often requires reinterventions whereas longer-lasting surgical bypass procedures are associated with higher morbidity. Endoscopic ultrasonography-guided gastroenterostomy has emerged as an alternative to these established therapies. We aim to analyze the technical aspects of endoscopic ultrasonography-guided gastroenterostomy, review its clinical outcomes and propose a treatment algorithm for patients with malignant GOO.