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KMID : 1048120230120040183
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International Journal of Gastrointestinal Intervention
2023 Volume.12 No. 4 p.183 ~ p.187
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Comparison of the clinical efficacy of cold snare polypectomy using a thin-wire snare and thick-wire snare for small colorectal polyps
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Yoon Hong-Jin
Jung Yun-ho
Cho Young-Sin
Chung Il-Kwun
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Abstract
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Background : Cold snare polypectomy (CSP) is an established technique for resecting small colorectal polyps without electrical current. This study aimed to compare the clinical effectiveness of thin-wire mini-snares and thick-wire mini-snares during CSP for small colorectal polyps.
Methods : We prospectively enrolled 120 patients with colon polyps (5?8 mm in diameter) who underwent CSP between July and December 2017. Patients were randomly divided into two groups (thick-snare and thin-snare) according to the thickness of the snares. The complete resection rate (CRR), polyp characteristics, technical factors, and histopathologic features of resected specimens were carefully analysed.
Results : In total, 137 eligible polyps were successfully resected using CSP (thin-snare group: n = 66, thick-snare group: n = 71). The location, size, morphology, and histologic findings of the polyps did not show statistically significant differences between the two groups. The CRR (thin-snare: 77.3% vs. thick-snare: 84.5%, P = 0.068), retrieval rate (100% in both groups), and the rates of tissue fly-away (P = 0.069), containing submucosal tissue (7.6% vs. 9.9%, P = 0.637), and intraprocedural or delayed polypectomy bleeding were not significantly different between the two groups. The CRR was significantly lower in sessile serrated lesions than in adenomas (odds ratio, 0.1; 95% confidence interval, 0.12?0.57; P = 0.010).
Conclusion : In conclusion, when performing CSP for small polyps, the snare thickness does not seem to have a significant effect on the clinical outcomes, including CRR and the occurrence of complications.
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KEYWORD
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Adenoma, Colonic polyps, Hemorrhage
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