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Successful duodenal endoscopic submucosal dissection using multiple clip-and-thread traction for a large tumor located in the duodenal bulb.

ABSTRACT:

SUBMITTER: Tashima T

PROVIDER: S-EPMC8058531 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Successful removal of duodenal submucosal tumors with endoscopic submucosal dissection.

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Successful traction-assisted endoscopic submucosal dissection using dental floss and a clip for a huge superficial nonampullary duodenal epithelial tumor with severe fibrosis (with video).

Project description:Recently, traction-assisted endoscopic submucosal dissection (ESD) using a clip and thread was reported as useful for treating lesions in the esophagus, stomach, and colorectum in terms of shortening the duration of the procedures and reducing the risk of intraoperative perforation. However, no traction method using the thread and clip for duodenal ESD as described in this article has been reported to date. We report a case in which traction-assisted ESD using dental floss and a clip was successfully performed on a huge superficial nonampullary duodenal epithelial tumor accompanied by severe fibrosis caused by preoperative biopsies. A 65-year-old woman had a 55-mm flat-elevated tumor in the second part of the duodenum. Severe fibrosis of the submucosal layer was expected due to repeated biopsies at the same site by the patient's previous endoscopist. We selected ESD for this lesion, and the initial incision was started from the side proximal to the lesion, but it was difficult to insert the scope under the submucosal layer directly beneath the biopsy scar. Therefore, traction with an endoclip and dental floss was performed to lift the lesion. Excellent traction allowed safe resection of the fibrotic part under accurate visual observation. Finally, the lesion was resected en bloc without adverse events. Traction-assisted ESD using dental floss and a clip is likely to be an effective adjunctive technique for quick, safe, and successful resection of lesions in the duodenum on which it is difficult to perform ordinary ESD and that have a high probability of intraoperative perforation and massive bleeding.

| S-EPMC6487824 | biostudies-literature

Underwater reopenable clip closure of mucosal defects after duodenal endoscopic submucosal dissection.

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| S-EPMC7651752 | biostudies-literature

Triple-loop clip for the traction-assisted colorectal endoscopic submucosal dissection: multidirectional triple-loop traction method.

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| S-EPMC7806497 | biostudies-literature

Novel effective and repeatedly available ring-thread counter traction for safer colorectal endoscopic submucosal dissection.

Project description:BackgroundAlthough several methods to create an effective counter traction for safer endoscopic submucosal dissection (ESD) have been reported, these methods do not overcome problems regarding delivery and ease of use. This randomized prospective study assessed the usefulness of ring-shaped thread counter traction, which not only allowed the safer colorectal ESD but also the easiest and lower cost counter traction without any special devices.MethodsForty-five patients diagnosed with colorectal lateral spreading tumors over 20 mm were allocated to the conventional ESD group (CE) (n = 22) and the ring-shaped thread counter traction ESD group (RE) (n = 21). The ring-shaped thread was hooked and lifted up to the contralateral mucosa with a hemoclip. The primary outcome was the dissected area per minute during ESD (cm2/min) (UMIN000020160).ResultsThere were significant differences in the dissection time (min), with 130.0 (56.0-240.0) versus 80 (35.0-130.0) min for the CE and RE groups, respectively (P = 0.001). For the dissected areas per minute (cm2/min), there was a significant difference, with 0.125 (0.1-0.18) versus 0.235 (0.16-0.36) min (P = 0.003) for the CE and RE groups, respectively. There were 1 cases of perforation during ESD in the CE compared to 0 for the RE, and this was no significantly different (P = 0.31). The procedure time of producing and setting the ring-shaped thread counter traction was approximately 1.80 (0.80-3.30) min only.ConclusionsThe ring-shaped thread counter traction is simple, effective, lower cost and does not require special devices to obtain repeated counter traction.

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Duodenal subepithelial neuroendocrine tumor removed by endoscopic submucosal dissection using internal traction with magnets

Project description:Video Video 1 Endoscopic submucosal dissection of a duodenal subepithelial neuroendocrine tumor using internal traction with magnets.

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Traction-assisted colonic endoscopic submucosal dissection using clip and line: a feasibility study.

Project description:Colonic endoscopic submucosal dissection (ESD) is a challenging procedure because it is often difficult to maintain good visualization of the submucosal layer. To facilitate colonic ESD, we designed a novel traction method, namely traction-assisted colonic ESD using clip and line (TAC), and investigated its feasibility.We retrospectively analyzed 23 patients with large colonic superficial lesions who had undergone TAC. The main outcome was the procedural success rate of TAC, which we defined as successful, sustained application of clip and line to the lesion until the end of the procedure.The procedural success rate of TAC was 87 % (20/23). In all three unsuccessful cases, the lesions were in the proximal colon and the procedure times over 100 minutes. The overall mean procedure time was 61 min (95 % confidence interval, 18 - 172 min). We achieved en bloc resections of all lesions. There were no perforations or fatal adverse events.TAC is feasible and safe for colonic ESD and may improve the ease of performing this procedure.

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Usefulness of step-by-step double-clip-with-line method in duodenal endoscopic submucosal dissection.

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Successful endoscopic submucosal dissection for a tumor located completely within a colonic diverticulum after inversion of the diverticulum using a traction device.

Project description:Video 1Successful endoscopic submucosal dissection for a tumor completely located within a colonic diverticulum after inversion of the diverticulum using a traction device. After reconfirming that the diverticulum could be inverted into the lumen with forceps, the first endoclip grasping a ring-thread made of dental floss was fixed on the mucosa in the diverticulum. Immediately afterward, a second endoclip was used to grasp the ring-thread and fix it to the opposite colonic wall. By insufflating with air, the lesion within the inverted diverticulum was pulled out of the diverticulum into the colonic lumen, establishing a good field of view for dissection. After local injection of hyaluronic acid, a circumferential incision and dissection were performed using a DualKnife, and the lesion was promptly removed en bloc. The wound was completely closed with endoclips, along with the diverticulum. The total procedure time was 10 minutes, and there were no adverse events.

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