Ex vivo comparison of the lumen-apposing properties of EUS-specific stents (with video)
- Authors
- Teoh, Anthony Yuen; Ng, Enders Kwok; Chan, Shannon Melissa; Lai, Mona; Moran, Stuart; Binmoeller, Kenneth Frank; Moon, Jong Ho; Ho, Khek Yu
- Issue Date
- Jul-2016
- Publisher
- Mosby Inc.
- Keywords
- 소화기내과학
- Citation
- Gastrointestinal Endoscopy, v.84, no.1, pp 62 - 68
- Pages
- 7
- Journal Title
- Gastrointestinal Endoscopy
- Volume
- 84
- Number
- 1
- Start Page
- 62
- End Page
- 68
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/9002
- DOI
- 10.1016/j.gie.2015.11.041
- ISSN
- 0016-5107
1097-6779
- Abstract
- Background and Aims: Several EUS-specific stents have become available. It has been claimed that some of these stents have lumen-apposing properties, but objective data measuring such properties are not available. The aim of this study is to measure the lumen-apposing force (LAF) of these stents. Methods: The LAF of 3 EUS-specific metallic stents (stents A, N, and S) were compared in an ex vivo setting. Four types of anastomoses were performed with the stents including cholecysto-duodenal, cholecysto-gastric, gastro-gastric, and gastro-jejunal and compared with a hand-sewn (HS) equivalent of the anastomosis. The outcome parameter was the LAF created by each type of stent. Results: Sixty-four anastomoses were created. The overall mean (standard deviation) LAFs were significantly higher for stents A and S (P < .001). This difference persisted regardless of the type of anastomosis: gastro-gastric (P = .002), gastro-jejunal (P = .005), cholecysto-gastric (P = .002), and cholecysto-jejunal (P = .003). The differences in LAF created by each type of stent across different types of anastomoses were also compared. A trend to significance was observed in the anastomoses created by stent N (P = .064) and stent A (P = .052); a significant difference in LAF was observed among different anastomoses created by stent S (P = .015). The LAF created by HS anastomosis was significantly higher than that for all stents across all anastomoses. Conclusions: Stents A and S had a higher LAF. The use of these stents should be considered when performing EUS-guided transmural luminal anastomoses in non-adherent organs. Further studies are required to confirm the clinical efficacies of these EUS-specific stents.
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