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Study examines self-expanding plastic stents in the treatment of benign esophageal conditions
Date:1/25/2008

ion. Stents were removed after several months if the patients symptoms remained alleviated or earlier if symptoms recurred, stent migration was noted, or complications developed. One stent was removed because of excessive granulation tissue formation. Migration was a frequent occurrence, noted in 18 of 29 patients (62.1 percent) and 53 of 83 stents placed (63.9 percent), whereas 21 of 83 stents placed remained in stable position (25.3 percent), four patients died with stents in place (unrelated to the stent), two patients have two stents still in place each, and one patient has a single stent still in place. These patients are awaiting follow-up.

Stent migration was typically accompanied by recurrence of symptoms and was noted more frequently in patients with proximal (30/44 stents, 68.2 percent) and distal (19/27 stents, 70.4 percent) esophageal lesions compared with mid-esophageal (3/10 stents, 30percent) location. Stent migration was defined either as radiographic evidence of the stent within the stomach or endoscopic visualization of the stent having moved from the initial placement location, or both. Success was defined as resolution of dysphagia and closure of the fistula or leak as seen on endoscopy or barium study.

Only six percent of procedures resulted in long-term symptom improvement at follow-up after the stent was removed, whereas 81.9 percent resulted in recurrence or persistence of symptoms.


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Contact: Anne Brownsey
abrownsey@asge.org
630-570-5635
American Society for Gastrointestinal Endoscopy
Source:Eurekalert

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