Abstract
Esophageal perforation is a rare complication of endoscopic retrograde cholangiopancreatography and the perforation is usually too large to close with endoclips. We developed an endoscopic procedure for the perforations. A gastroscope fitted with a cap was inserted into the esophagus to perform the clip closure. The closure procedure was divided in 3 steps: step 1 is large clip closure; step 2 is small clip closure; and step 3 is the nasogastric tube placement for drainage. A total of 4 patients underwent a cap-assisted clip closure and the procedures were completed successfully within 30 minutes. The cure was achieved in all the 4 patients after a relatively short period of hospital stay and no patient complained of closure-related complication. The cap-assisted clip closure procedure is effective, safe, and easy to carry out for the closure of large esophageal perforations. It may also be applied to perform the closure of large perforations at other sites of the digestive tract.
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