Feasibility Study on Endoscopic Suture with the Combination of a Distal Attachment and a Rotatable Clip for Complications of Endoscopic Resection in the Large Intestine

Background and Study Aims: Endoscopic resection has been more frequently performed for increasingly larger intramucosal tumors of the large intestine in recent years. It is reasonable to expect that the larger the resected mucosal surface, the greater is the likelihood of complications such as bleeding or perforation. The aim of this study was to explore the feasibility of endoscopic suture with a distal attachment and a rotatable clip-fixing device for complications of endoscopic resection in the large intestine.

Patients and Methods: The study population consisted of 15 patients who underwent endoscopic clipping therapy following endoscopic resection for intramucosal tumors of the large intestine. With a distal attachment fitted to the distal end of the endoscope, the optimal position for clipping was ensured by pressing the intestinal wall and deflating the intraluminal air little by little. With a rotatable clip-fixing device, the resection site was endoscopically sutured clip by clip.

Results: Tumors were of the laterally spreading tumor type in six patients, small sessile polyps in three, and pedunculated polyps in six. The complications consisted of bleeding in 12 patients, overt perforation in one, and latent perforation in two; 14 of the 15 patients underwent successful suturing by this method. The number of clips used ranged from two to seven (mean 4.4). No patients had further complications after the treatment.

Conclusion: We conclude that endoscopic suture with the combination of a distal attachment and a rotatable clip-fixing device is very useful for complications of endoscopic resection in the large intestine.

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