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      Endoscopic full-thickness resection with an over-the-scope clip device (FTRD) in the colorectum: results from a university tertiary referral center

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          Background and study aims

           The full-thickness resection device (FTRD) represents a novel endoscopic treatment method for lesions unresectable with conventional endoscopic techniques. The overall aim of this study was to evaluate technical success and in toto resection rates, recurrence rates, as well as immediate or late complications in patients who underwent polyp removal with the FTRD.

          Patients and methods

           Data from a prospectively collected database of 12 patients who underwent 13 over-the-scope clip-based full-thickness resections between June 2015 and June 2017 were analyzed. Follow-up endoscopy was performed in 11 out of 12 patients.


           13 full-thickness resections were performed in 7 males and 5 females (mean age 64.3 ± 6.3 years). Mean size of the lesions removed with FTRD was 17 ± 4 mm. Location was rectum (n = 6), cecum (n = 2), ascending colon (n = 2), left flexure (n = 1) and right flexure (n = 2). Mean procedure time was 68 ± 35 minutes and mean hospital stay was 2.5 ± 1.2 days. 2 patients developed post-polypectomy syndrome, which resolved after conservative treatment. No perforations and no immediate surgical revision were needed. Histology of the 13 lesions removed with FTRD showed 5 adenomas with low grade intraepithelial neoplasia (IEN), 4 high grade IEN, 1 fibrosis, 1 fibrosis without dysplasia and 2 adenocarcinomas. Technical success was achieved in all procedures (13/13, 100 %). R0 resection was achieved in 10/12 patients (83.3 %). 2 patients underwent surgery because of recurrence or not evaluable margins. In 1 patient no residual malignancy was proven in histological examination, in the other patient residual low grade IEN adenoma.


           FTRD is a minimally invasive approach with good success rate of complete resection and minimal side effects.

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          Most cited references 22

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          International multicenter experience with an over-the-scope clipping device for endoscopic management of GI defects (with video).

          The over-the-scope clip (OTSC) provides more durable and full-thickness closure as compared with standard clips. Only case reports and small case series have reported on outcomes of OTSC closure of GI defects.
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            Endoscopic full-thickness resection in the colorectum with a novel over-the-scope device: first experience.

            Endoscopic full-thickness resection (EFTR) in the lower gastrointestinal tract may be a valuable therapeutic and diagnostic approach for a variety of indications. Although feasibility of EFTR has been demonstrated, there is a lack of safe and effective endoscopic devices for routine use. The aim of this study was to investigate the efficacy and safety of a novel over-the-scope device for colorectal EFTR.
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              Efficacy and adverse events of EMR and endoscopic submucosal dissection for the treatment of colon neoplasms: a meta-analysis of studies comparing EMR and endoscopic submucosal dissection.

              EMR and endoscopic submucosal dissection (ESD) are used frequently to remove colon neoplasms. However, the predominance of these procedures has not yet been thoroughly explored.

                Author and article information

                Endosc Int Open
                Endosc Int Open
                Endoscopy International Open
                © Georg Thieme Verlag KG (Stuttgart · New York )
                January 2018
                16 January 2018
                : 6
                : 1
                : E98-E103
                Department of Internal Medicine 1, Division of Gastroenterology, Ludwig Demling Endoscopy Center of Excellence, Friedrich-Alexander-University, Erlangen- Nuernberg, Germany
                Author notes
                Corresponding author Timo Rath, M.D., Professor of Endoscopy and Molecular Imaging, Ludwig Demling Endoscopy Center of Excellence Department of Internal Medicine I Friedrich-Alexander-University, Erlangen Nuernberg Ulmenweg 1891054 ErlangenGermany Timo.Rath@

                This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.

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