Palliation in patients with malignant gastric outlet obstruction with the newly designed WallFlex duodenal stent: First data of a multicenter, prospective trial

Aims: Self-expandable metal stents (SEMS) are being increasingly used to palliate malignant stenoses of the gastric outlet and proximal small bowel. The reported short-term (30-day) clinical success and complication rates of this new enteral stent made of nitinol (Boston Scientific WallFlex™ Duodenal Stent) were excellent. The purpose of our study was to evaluate technical and clinical success of this device as well as complications in the medium-term follow-up. Methods: To evaluate efficacy of the stent, associated to obstruction relief and the ability to have satisfactory quality of diet, considering satisfact…