Background: Only a few studies have reported treatment options for stenosis after endoscopic submucosal dissection (ESD) for gastric neoplasms. This study aimed to identify the risk factors for and evaluate the management of stenosis after ESD for gastric epithelial neoplasms in the cardia and antrum.
Methods: We retrospectively reviewed 1218 patients (1447 gastric epithelial neoplasms) who underwent ESD at Tonan Hospital from June 2004 to November 2015. Post-ESD stenosis was defined when a standard endoscope could not be passed through the site.
Results: Post-ESD stenosis occurred in 10 (21.3%) of the 47 cardia cases and 14 (3.2%) of the 432 antrum cases. A wide resection of more than three fourths of the circumferential extent was the sole significant risk factor related to post-ESD stenosis in both cardia and antrum. Prophylactic endoscopic balloon dilation (EBD) was performed in 3 of 10 patients with cardiac stenosis and 4 of 14 with antral stenosis. Post-EBD bleeding occurred in one cardia (10%) and one antrum (7.1%) case each and was endoscopically treated. Perforation during EBD occurred in two (14.3%) antrum cases, both of which required emergency open surgery. All complications were observed in patients with conventional EBD, and no complications were associated with prophylactic EBD.
Conclusions: A wide resection of more than three fourths of the circumferential extent was the significant risk factor for post-ESD stenosis in both cardia and antrum, and prophylactic EBD could be a promising procedure for the management of post-ESD stenosis.
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