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  • Title: Two fatal complications after parallel tracheal-esophageal stenting.
    Author: Binkert CA, Petersen BD.
    Journal: Cardiovasc Intervent Radiol; 2002; 25(2):144-7. PubMed ID: 11901435.
    Abstract:
    Two patients with malignant obstructions of both the trachea and esophagus underwent parallel stent placement with Gianturco-Rösch Z (GRZ) stents for palliation of symptoms. Fatal hemorrhage occurred in both patients 2 and 3 weeks after stent placement respectively. An autopsy performed on one of these patients demonstrated esophageal tissue necrosis and erosion with perforation of both the tracheal and esophageal walls at sites where the stent struts were in direct opposition, leading to bleeding from the esophageal venous plexus. GRZ stents have been successful in the treatment of both solitary tracheal and esophageal stenoses. However, parallel tracheal-esophageal stenting with GRZ stents places patients at high risk for complications due to the high radial force exerted by this particular stent and the minimal amount of intervening tissue between the two structures.
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