Journal
DISEASES OF THE ESOPHAGUS
Volume 18, Issue 2, Pages 93-95Publisher
OXFORD UNIV PRESS INC
DOI: 10.1111/j.1442-2050.2005.00458.x
Keywords
dysphagia; esophageal carcinoma; gastroesophageal reflux; self-expanding metal stents
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Patients with inoperable esophageal malignancy often undergo palliative self-expanding metal stent insertion. This analysis of cases shows that although such stents provide good palliation of dysphagia, complications frequently occur. Complications reported were pain after insertion, bleeding, food bolus impaction, stent migration and increased gastroesophageal reflux. Furthermore, in patients with esophageal adenocarcinoma, survival was less if the distal end of the stent entered the stomach, rather than lying entirely within the esophagus. Reduced survival, in this group with gastroesophageal junction tumors, may be a result of increased gastroesophageal reflux leading to pulmonary aspiration. Stents incorporating an antireflux valve have been shown to reduce symptomatic gastroesophageal reflux. It may be that such valves offer a survival advantage where stent insertion ablates the function of the lower esophageal sphincter. Further studies are needed to assess the role of antireflux stents on survival in patients with gastroesophageal junction tumors.
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