Saudi Journal of Gastroenterology
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ORIGINAL ARTICLE
Year : 2016  |  Volume : 22  |  Issue : 5  |  Page : 385-390

Efficacy of repeat review with flexible spectral imaging color enhancement in patients with no findings by capsule endoscopy


Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

Correspondence Address:
Yuka Minami-Kobayashi
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo - 113-8655
Japan
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1319-3767.191145

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Background/Aim: The efficacy of flexible spectral imaging color enhancement (FICE) ch. 1 (F1) for the detection of ulcerative lesions and angioectasias in the small intestine with capsule endoscopy (CE) has been reported. In the present study, we evaluated whether F1 could detect incremental findings in patients with no findings in a standard review mode. Patients and Methods: In total, 52 patients (age: 60.1 ± 15.3 years; 30 males) with obscure gastrointestinal bleeding (OGIB) who underwent CE and in whom no lesion was detected in the small intestine in the standard mode (first review) were enrolled. Two experienced endoscopists independently reviewed CE videos again by F1 (second review). The following findings were defined to be significant: Ulcers, erosions, aphthas, angioectasias, tumors, and bleeding. Incremental findings at the second review were checked at F1 and in standard mode by the two reviewers (third review). Finally, the findings were confirmed by the agreement of the two reviewers at the third review. Results: F1 detected five significant lesions in three patients with overt OGIB; three erosions, one aphtha, and one angioectasia. For nonsignificant lesions, F1 detected 12 red mucosas and 16 red spots. Moreover, 29 patients with 71 findings were considered false positives. Conclusion : F1 detected incremental significant findings in a small percentage of patients with no findings in the standard review mode. In addition, F1 showed many false-positive findings. The incremental effect of a repeated review by F1 in patients with no findings in the first review is limited.


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