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  • Title: Solving the problem of difficult stent removal due to tissue ingrowth in partially uncovered esophageal self-expanding metal stents.
    Author: Langer FB, Schoppmann SF, Prager G, Riegler FM, Zacherl J.
    Journal: Ann Thorac Surg; 2010 May; 89(5):1691-2. PubMed ID: 20417822.
    Abstract:
    Partially uncovered stents provide a better fixation to the esophageal wall than fully covered stents, but indication is limited to palliation because stent removal is compromised by mucosal ingrowth. After an unsuccessful attempt to remove a partially uncovered Evolution stent (Cook Medical Inc, Bloomington, IN) we placed a Polyflex stent (Boston Scientific, Natick, MA) inside the first stent, overlapping at the lower part to press the tissue out of the stent mesh. Both stents were easily removed 3 days later. By adopting this procedure to scheduled stent removals, partially uncovered SEMS may be used to prevent the frequently observed migrations of fully-covered stents in the treatment of esophageal perforation or anastomotic leakage.
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