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  • Title: A comparison between capsule endoscopy and double balloon enteroscopy using propensity score-matching analysis in patients with previous obscure gastrointestinal bleeding.
    Author: Kakiya Y, Shiba M, Okamoto J, Kato K, Minamino H, Ominami M, Fukunaga S, Nagami Y, Sugimori S, Tanigawa T, Yamagami H, Watanabe T, Tominaga K, Fujiwara Y, Arakawa T.
    Journal: Scand J Gastroenterol; 2017 Mar; 52(3):306-311. PubMed ID: 27841035.
    Abstract:
    BACKGROUND: Recently, diagnosis of obscure gastrointestinal bleeding (OGIB) has improved greatly due to introduction of capsule endoscopy (CE) and double balloon enteroscopy (DBE). However, the efficacy of CE over DBE in patients with previous OGIB remains unclear. This study aimed to compare, in terms of diagnostic yield, the efficacy of DBE with that of CE in patients with previous OGIB. PATIENTS AND METHODS: We enrolled 223 consecutive patients with previous OGIB who were treated between May 2007 and March 2012. We retrospectively evaluated the respective diagnostic yields of CE and DBE in patients with previous OGIB using propensity score-matching analysis. We compared the diagnostic yield of CE with that of DBE. RESULTS: The diagnostic yields were 41.9% in DBE group and 11.6% in CE group, respectively (p < .01). On logistic regression analysis, DBE was significantly superior to CE after matching (Odds ratio [OR], 4.25; 95% confidence interval [CI], 1.43-12.6; p < .01), even after adjustment for propensity score (OR, 5.65; 95% CI, 1.56?20.5; p < .01). CONCLUSIONS: Our results indicate that DBE might be more useful and perhaps safer than CE in achieving a positive diagnosis in patients with previous OGIB.
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