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Advanced gastric, duodenal, or pancreatic cancer can result in gastric outlet obstruction. Endoscopically placed stainless steel stents can palliate obstructive symptoms, but they have a significant failure rate because of migration or obstruction. Now, investigators in the Netherlands (2 of whom had financial associations with the manufacturer) have evaluated the technical and clinical viability of a new nickel titanium (nitinol) self-expandable stent that can be placed through the channel of an endoscope.
The multicenter, prospective study involved 51 consecutive patients with symptoms of gastric outlet obstruction from advanced, nonresectable malignancy. Patients with confirmed or suspected biliary obstruction first underwent drainage by …