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RISS 인기검색어
- 검색키워드
- 저자 : ( Mark Flasar ) (검색결과 1 건)
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Brief Communication : Contrast Does Not Affect Cholangioscope Image Quality
( Jeffrey Laczek ),( Mark Flasar ),( Eric Goldberg ),( Peter Darwin ) 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 2011 Gut and Liver Vol.5 No.1
Background/Aims: Peroral cholangioscopy is a rapidly evolving technique that allows direct examination of the bile duct. We sought to determine if there was a difference in image quality with the cholangioscope immersed in normal saline compared with radiologic contrast or a mixture of contrast and normal saline. Methods: Images were captured using the SpyGlass(R) cholangioscope system (Boston Scientific Corp.) immersed in solutions ranging from 0 to 100% contrast. The images were then reviewed in a blinded fashion by a panel of 9 endoscopists with experience using the SpyGlass(R) system. The reviewers scored the quality of each image based on a scale of 0 (extremely poor) to 10 (excellent). Results: With the cholangioscope immersed in saline and 100% contrast, the mean image quality scores were 7.6 (95% confi dence interval [CI], 6.7-8.5) and 6.9 (95% CI, 5.8-8.0), respectively. The highest mean image quality score was 7.8 (95% CI, 6.7-8.9), obtained in 70% contrast. No signifi cant difference was noted in mean image quality scores using a one way analysis of variance technique (p=0.414). Conclusions: Although there are limitations to ex vivo studies, we encourage endoscopists to use intraductal contrast prior to peroral cholangioscopy, if needed for lesion localization. (Gut Liver 2011;5:115-116)
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