Gianluca Andrisani1, Francesco Maria Di Matteo2. 1. Digestive Endoscopy Unit, Campus Bio-Medico, University of Rome, Via Alvaro del Portillo 200, 00128, Rome, Italy. gianluca.andrisani@gmail.com. 2. Digestive Endoscopy Unit, Campus Bio-Medico, University of Rome, Via Alvaro del Portillo 200, 00128, Rome, Italy.
Abstract
BACKGROUND AND AIM: The endoscopic treatment of non-lifting or submucosal duodenal lesions is associated with a high risk of incomplete resection and adverse events. Clip-assisted endoscopic full-thickness resection (EFTR) is a new approach for en bloc removal of neoplastic lesions in the GI tract. The aim of this study was to investigate its efficacy and safety in the duodenum. MATERIALS AND METHODS: We retrospectively collected all consecutive patients with duodenal lesions who underwent EFTR with OTSC (Ovesco Endoscopy, Tübingen, Germany) or the new full-thickness resection device (FTRD; Ovesco Endoscopy, Tübingen, Germany). Complete resection rate was defined as histologically-verified R0 resection. Main endoscopic and clinical outcomes (technical success, rate of EFTR, adverse events) were systematically assessed at 3 and 6 months. RESULTS: Between May 2017 and January 2019, 10 patients with duodenal lesions underwent EFTR (5 non-lifting adenomas, 2 adenomas recurrence/relapse and 3 subepithelial tumours). Technical success was overall achieved in 8/10 cases (80%). The two FTRD failed cases were completed with snare resection. The complete full-thickness resection rate was achieved in 8/10 (80%), while in two cases it was limited to mucosal or submucosal layer. R0 resection rate was achieved in 8/10 (80%) patients. The mean procedure time was 75 min (range 53-120 min). There were no major adverse events. At 3 and 6-month follow-up, no recurrence was observed. CONCLUSIONS: Clip-assisted EFTR is a feasible and effective technique for en bloc resection of "difficult" superficial neoplasia and submucosal lesions in the duodenum, representing another technique that must be part of the endoscopist's armamentarium.
BACKGROUND AND AIM: The endoscopic treatment of non-lifting or submucosal duodenal lesions is associated with a high risk of incomplete resection and adverse events. Clip-assisted endoscopic full-thickness resection (EFTR) is a new approach for en bloc removal of neoplastic lesions in the GI tract. The aim of this study was to investigate its efficacy and safety in the duodenum. MATERIALS AND METHODS: We retrospectively collected all consecutive patients with duodenal lesions who underwent EFTR with OTSC (Ovesco Endoscopy, Tübingen, Germany) or the new full-thickness resection device (FTRD; Ovesco Endoscopy, Tübingen, Germany). Complete resection rate was defined as histologically-verified R0 resection. Main endoscopic and clinical outcomes (technical success, rate of EFTR, adverse events) were systematically assessed at 3 and 6 months. RESULTS: Between May 2017 and January 2019, 10 patients with duodenal lesions underwent EFTR (5 non-lifting adenomas, 2 adenomas recurrence/relapse and 3 subepithelial tumours). Technical success was overall achieved in 8/10 cases (80%). The two FTRD failed cases were completed with snare resection. The complete full-thickness resection rate was achieved in 8/10 (80%), while in two cases it was limited to mucosal or submucosal layer. R0 resection rate was achieved in 8/10 (80%) patients. The mean procedure time was 75 min (range 53-120 min). There were no major adverse events. At 3 and 6-month follow-up, no recurrence was observed. CONCLUSIONS: Clip-assisted EFTR is a feasible and effective technique for en bloc resection of "difficult" superficial neoplasia and submucosal lesions in the duodenum, representing another technique that must be part of the endoscopist's armamentarium.
Entities:
Keywords:
Adenoma relapse; Full-thickness resection; No lift lesion; Subepithelial tumour
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