| International Session（Workshop）3(JGES・JSGE・JSGS・JSGCS) |
| Sat. November 4th 14:00 - 16:30 Room 11: Portopia Hotel South Wing Topaz |
| Randomized controlled trial comparing conventional and traction endoscopic submucosal dissection for early colon tumor (CONNECT-C trial) | |||
| Ryoji Ichijima1, Daiki Nemoto2, Hisatomo Ikehara1,3 | |||
| 1Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, 2Department of Coloproctology, Fukushima Medical University Aizu Medical Center, 3Department of Gastroenterology, Kitasato University School of Medicine | |||
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| Background: Endoscopic submucosal dissection (ESD) is a widely accepted treatment. Some previous studies have shown the usefulness of the traction method on colon ESD. However, these studies used a small sample, single-center design. We thus aimed to investigate the efficacy and safety of the traction method in colon ESD. Methods: We conducted a prospective, multicenter, randomized, two-arm controlled trial at 10 facilities in Japan. A 1:1 allocation was conducted for the conventional ESD (C-ESD) and traction ESD (T-ESD) groups. Results: We included 128 C-ESD and 123 T-ESD cases. The median procedure times for C-ESD and T-ESD were 61 (40-100) and 53 (40-76) min (P = 0.18), respectively, and no significant differences were observed between the groups. Subgroup analysis showed that the median procedure times for patients with a lesion diameter of >30 mm in the C-ESD and T-ESD groups were 89 (57-80) and 69 (50-104) min (P=0.05), respectively, and for nonexpert operators were 81 (62-120) and 64 (52-109) min (P=0.07), respectively. Conclusions: The traction method did not contribute to a significantly shortened ESD procedure time. However, this method may be useful when the tumor diameter is large or if the procedure is conducted by nonexpert endoscopists. |
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Index Term 1: colon ESD Index Term 2: traction |
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