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  • Title: [Treatment with stents in the upper gastrointestinal tract].
    Author: Baral J, Bähr R.
    Journal: Zentralbl Chir; 1998; 123(10):1140-4. PubMed ID: 9848251.
    Abstract:
    A wide range of therapeutic methods for treatment of malignant and benign stenoses of the upper gastrointestinal tract is at one's disposal with esophageal mechanical dilatation, laser therapy, insertion of plastic tubes and stent implantation. It has become routine to insert flexible metal stents in the treatment of esophageal carcinoma and tracheoesophageal fistula. Case reports exist describing the use of flexible metal stents in complicated benign esophageal stenoses of stomach and duodenum. Until January 1997 we implanted 18 stents (7 Z-stents[Wilson and Cook], 4 covered and 4 uncovered Ultraflex stents [Boston Scientific], 3 Endocoil stents [Instent]) in 15 patients. We treated patients with esophageal carcinoma, recurrent stenoses after gastrectomy and tracheoesophageal fistula. They were followed by questionnaires. Four days after stent implantation 50% of the patients were able to consume normal solid food, the other half semisolids. The main problem was the stent migration (28%). The decisive factors for stent migration were the quality of surface of the stent and its position in the gastroesophageal junction. The stents which were dislocated in the stomach could easily be extracted endoscopically. The endoscopic extraction of a dislocated Z-stent in the small bowel was impossible. The high rate of stent dislocation (20-30%) in distal stent position (gastroesophageal junction) is not to be tolerated with respect to the purchase price.
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