ArticleClinical endoscopy2025
Utility of underwater endoscopic mucosal resection combined with a protruding anchor by saline injection for superficial non-ampullary duodenal tumors: a retrospective study in Japan.
Article in Clinical endoscopy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- A reformative underwater endoscopic mucosal resection technique for superficial non-ampullary duodenal tumors.Clinical endoscopy · 2025Article
- Reply to the comments on 'Utility of underwater endoscopic mucosal resection combined with a protruding anchor by saline injection for superficial non-ampullary duodenal tumors: a retrospective study in Japan'.Clinical endoscopy · 2025Article
- Evaluation of a modified underwater endoscopic mucosal resection technique for duodenal neoplasms: clinical implications and future directions.Clinical endoscopy · 2025Article
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8 authors.
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Abstract
backgroundUnderwater endoscopic mucosal resection (UEMR) is the standard resection method for superficial non-ampullary duodenal tumors (SNADETs). We developed a novel UEMR technique that creates an anchor by protruding the distal fold with a saline injection (UEMR-A). The aim of this study was to clarify the usefulness of UEMR-A compared to conventional UEMR (UEMR-C).
methodsThis retrospective observational study included patients who underwent UEMR for SNADETs.
resultsA total of 141 patients were included and divided into UEMR-A (n=54) and UEMR-C (n=87) groups. Lesion resection was performed significantly more frequently by an expert endoscopist in the UEMR-C group compared to the UEMR-A group (p<0.001). The procedure time for UEMR-A was significantly shorter than that for UEMR-C (p=0.018), despite the additional time required for submucosal injection. The R0 resection rate was significantly higher in the UEMR-A group than in the UEMR-C group (p=0.004). The horizontal margins were significantly clearer in the UEMR-A group than in the UEMR-C group (p=0.018). Multivariate analysis revealed that the use of UEMR-A was the only significant positive factor for R0 resection.
conclusionsThe UEMR-A technique for SNADETs appears to improve R0 resection rates and reduce procedure times compared to the UEMR-C technique.
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