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  • Title: Endoscopic submucosal dissection for proximal duodenal subepithelial lesions: a retrospective cohort study.
    Author: Zhang YR, Sun C, Cheng CL, Gao J, Zhang J, Chen J, Wang LW, Chen Y, Man XH, Shi XG, An W.
    Journal: Surg Endosc; 2022 Sep; 36(9):6601-6608. PubMed ID: 35118532.
    Abstract:
    BACKGROUND AND AIM: Endoscopic submucosal dissection (ESD) has been used to remove subepithelial lesions (SELs) in recent years; however, duodenal ESD is associated with high rates of immediate or delayed bleeding and perforation. Whether ESD can be recommended for the treatment of duodenal SELs remains controversial. Therefore, we evaluated the efficacy and safety of ESD for duodenal SELs. METHODS: We conducted a retrospective cohort study in 62 patients (62 lesions) who underwent ESD for duodenal SELs between January 2012 and December 2020. The therapeutic outcomes from ESD for duodenal SELs and procedure-related complications were analyzed. RESULTS: En bloc resection and complete resection rates associated with duodenal ESD were 90.3% and 100%, respectively; four patients had a positive microscopic margin on pathologic examination. The median procedure time was 45 min (range 20-106 min). During the procedure, two patients received emergency surgery for uncontrolled bleeding and perforation, respectively. After the procedure, delayed bleeding occurred in three patients (4.8%), which was successfully managed by clipping, and delayed perforation occurred in two patients (3.2%) and needed emergency surgery. Risk factors related to complications were analyzed. Lesion size was found to be significantly associated with the complications (P = 0.028). No recurrences were detected, and no distant metastasis was observed in any patient during a median follow-up period of 45.5 months (range, 6-103 months). CONCLUSION: Duodenal ESD is relatively safe and feasible for duodenal SELs, especially for lesions no more than 2 cm in size.
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