It was reported to boston scientific corporation that an ultraflex esophageal distal release stent was implanted in the esophagus during an esophageal stenting procedure performed on (b)(6) 2014.According to the complainant, the stent was implanted to treat a tracheoesophageal fistula caused by disseminated esophageal cancer.Reportedly, the stricture was dilated prior to procedure.During the procedure the physician implanted the stent without issue.On (b)(6) 2014, x-ray was performed and the physician noted that the proximal end of the stent had not fully expanded.The physician performed a dye study on (b)(6) 2014, however during the dye study the patient aspirated the dye through the fistula.The patient went into to cardiac arrest due to the aspiration on (b)(6) 2014 and the patient died on (b)(6) 2014.According to the physician, the cause of death was aspiration pneumonia and cardiac arrest.In the physician¿s assessment, the patient aspirated the dye because the stent had not fully expanded to close the fistula and the aspiration led to the cardiac arrest and death.
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