Journal
DIGESTIVE ENDOSCOPY
Volume 23, Issue 1, Pages 56-61Publisher
WILEY-BLACKWELL PUBLISHING, INC
DOI: 10.1111/j.1443-1661.2010.01044.x
Keywords
capsule endoscopy; capsule endoscopy score; low-dose aspirin; mucosal injury; small bowel
Categories
Funding
- Ministry on Health, Labor and Welfare, Japan
- National Institute of Biomedical Innovation (NBIO)
- Ministry of Education, Culture, Sports, Science and Technology, Japan (KIBAN-B)
- Japan Science and Technology Agency (JST)
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Aim: The major limitation of capsule endoscopy (CE) has been the lack of a standardized and validated severity scale for mucosal injury. The aim of the present study was to verify the usefulness of quantifying small bowel mucosal changes associated with giving low-dose aspirin (LDA) using a CE scoring index. Methods: The CE score for small bowel mucosal injury was investigated to evaluate the severity of mucosal injury. Healthy volunteers and patients suspected of having small bowel disease were recruited for this study. The short-term LDA group (V + S-LDA group) consisted of volunteers who took low-dose aspirin for 14 days; this group was then compared with healthy volunteers who did not receive LDA treatment (V-Control group). The long-term LDA group (L-LDA group) consisted of patients with at least a 3-month history of daily LDA use; this group was compared with non-users of LDA (P-Control group). Results: The CE score was significantly higher in the V + S-LDA group than in the V-Control group. In the V-Control group, almost all the subjects were categorized as exhibiting a 'normal' change. 'Mild' changes were observed significantly more frequently in the V + S-LDA group than in the V-Control group. The CE score was significantly higher in the L-LDA group than in the P-Control group. 'Mild' or 'moderate or severe' changes were observed significantly more frequently in the L-LDA group than in the P-Control group. Conclusion: The CE scoring system was useful for evaluating LDA-associated small bowel mucosal disease activity and for objectively scoring the small bowel inflammatory disease state.
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