Long-term Outcomes and Complications of Metallic Stents for Malignant Esophageal Stenoses

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Thirty patients with malignant esophageal stenosis underwent Ultraflex esophagealstent deployment and were followed up for a maximum of 29 months from June 1995 toAugust 2001 in Tenri Hospital. Twelve stents were in the upper esophagus, and nineeach in the middle and lower esophagus. The procedures were successful and dysphagiascores improved from 2.9 to 0.7. Major complications such as esophagorespiratoryfistula, hematemesis, or airway compression occurred in 9 patients, more often in theupper esophagus than in other parts of the esophagus, with no statistical difference.There was a significant difference in the onset of major complications between theupper and middle esophagus, as well as between the upper and middle-lower esophagus(p<0.05), but no difference in mean survival time between locations, or patients with orwithout major complications.These results demonstrate that esophageal stent deployment is effective for relievingdysphagia and associating malnutrition. But major complications may occur in theupper esophagus more often and earlier than in other parts.
神戸大学の論文